JP4408971B2 - Label printer - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a label printer that prints, for example, the processing date, expiry date, weight, and the like of a product weighed and packaged in a previous process and issues the label.
[0002]
[Prior art]
A conventional label printer of this type includes a clock IC that outputs a date and time, a calculation unit (CPU) that calculates the expiration date from the date of processing and the number of days of expiration, using the date as the processing date of the product, There are display units for displaying the product name, processing date, expiry date (also referred to as the expiration date), and a printer for printing the product name, processing date, expiry date, and the like.
[0003]
However, since the above-described conventional label printer is an electronic device, an instantaneous power failure during use of the label printer, a journal printer connected to the power supply line or the label printer (printer for printing aggregated contents, etc.) ) Etc., external noise etc. may be transmitted and the date data of the built-in clock IC may change.
Therefore, the operator needs to check the date displayed on the display unit when the label printer is turned on, and the processing date displayed on the display unit when printing the processing date etc. on the label. It is necessary to check whether the expiration date is correct. Furthermore, even when the label printer is in use, it is necessary to check appropriately whether the processing date displayed on the display unit and the processing date printed on the label are correct.
[0004]
[Problems to be solved by the invention]
However, it is difficult for the operator himself to manage the processing date and expiry date displayed on the display unit, and the timing for checking those printed on the label, due to the carelessness of the operator. Allowing the operator to check that there are no errors in the processing dates printed on all the labels puts an excessive burden on the operator.
In other words, the conventional label printer does not have a function for causing an operator to check data at a predetermined timing so that data relating to wrong processing date and expiration date is not printed on the label. There is a problem that the function of automatically checking the processing date is not provided.
[0005]
  The present inventionA label printer that can automatically check the processing date etc. printed on the label in advanceThe purpose is to provide.
[0009]
[Means for Solving the Problems]
  The first invention has a built-in clock unit that outputs the date and time, and based on the month and date output from the clock unit, the calculation unit calculates the month and day data to be printed on the label, and the calculated month and day In a label printer that can print data includinglabelStorage means for storing the previous month and day data that is printed on the date and the next month and day data that is scheduled to be printed on the next label, and the previous month stored in the storage means When the date data determining means determines whether the date data and the next date data match each other, and the date data determining means determines that the previous date data matches the next date data. And a printing means for printing data including the next month date data on the label.
[0010]
  The second invention isOf the first inventionIn label printer,The month / day determination means determines whether the previous month / day data and the next month / day data areWhen it is determined that they do not match each other,The previous month date data and the next month date dataDisplay means to displayIt is provided. The third invention is,Of the first or second inventionIn label printers, the above date is the processing date and expiry date.Is.
[0012]
  According to the first invention,Every time data including the month and day is printed on the label, the date and time data printed on the previous label and the date and time scheduled to be printed on the next label are sequentially stored in the storage means. It can be determined by the month / day determination means whether or not the data of the month / day match.
[0013]
  Second inventionAccording to the above, when the date determination means determines that the previous month date data and the next month date data do not match each other, the previous and next month date data is displayed on the display means. Can do.
  Third inventionThe processing date in is the date on which the item with this label is processed, and the expiry date (expiration date) is the date calculated from the processing date of this item and the number of best days. This processing date and expiration date data can be printed on the label.
[0014]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of a label printer according to the present invention will be described with reference to the drawings. In this label printer, for example, the weight of the product weighed and packaged in the previous process, the date of packaging, and the like are printed on a label (hereinafter also referred to as “printing”) and the label is issued. This wrapping date refers to the date when an item is packed, for example, and a label is attached to the pack, and hereinafter referred to as a processing date.
FIG. 6 is a block diagram showing an electric circuit of the label printer.
As shown in FIG. 6, the CPU 1, the ROM 2, the RAM 3, the product name master storage unit 4, and the clock unit 9 are electrically connected to each other. The display unit 5, input unit 6, printer 7, and key switch 8 are electrically connected to the CPU 1, ROM 2, RAM 3, product name master storage unit 4, and clock unit 9 via I / Os 21 to 24, respectively. is doing.
[0015]
The CPU 1 is a microprocessor that electrically controls the label printer.
The ROM 2 is a read-only memory that stores a program for operating the label printer.
The RAM 3 is a random access memory that stores calculation results obtained by calculating various data as the program stored in the ROM 2 progresses, various data, and the like.
The product name master storage unit 4 stores a plurality of product name masters composed of data such as product names, raw materials, additives, contents, and best days in association with a plurality of product name codes.
The clock unit 9 can output the date and time data according to the program, and can change each data such as the date.
The display unit 5 displays various data such as a product name code, product name, raw material, additive, content, processing date, expiration date, and the like.
The input unit 6 is a keyboard for inputting various data and commands.
The printer 7 prints various data on a label.
[0016]
The key switch 8 is a switch for switching the processing mode of the label printer. The processing modes include a print mode, a storage mode, a program mode, and a totaling mode.
The print mode is a mode for printing desired data or the like on the label. The storage mode is a mode for registering and changing various data of the product name master, for example.
The program mode is a mode for setting or changing the content to be printed on the label, changing the date and time data of the clock unit 9, and the like.
The tabulation mode is a mode for printing the contents of tabulation, for example, by subtotaling and summing up the weight and amount of goods.
[0017]
FIG. 7 shows the contents of the clock unit 9 and outputs signals representing the year, month, day, hour, minute, and second. For example, at 15:00 on August 1, 1998, a signal representing 98, 08, 01, 15, 00, 00 is output.
[0018]
FIG. 8 shows the date (year / month / day) data of the RAM 3 and a register relating to the alarm.
The year / month / day register 12 is a register that reads and stores the date / time data of the clock unit 9 in real time.
The hour / minute register 13 is a register that reads and stores the hour / minute data of the clock unit 9 in real time.
Note that the timing for reading the year / month / day data and the hour / minute data is performed by an interrupt program, and the timing of the interrupt is performed by a timer. The label printer prints on the label up to the hour and minute, and does not print the second, so the interrupt timing is set at 1 second intervals.
The best day register 14 is a register for storing the best day data of the product. In the best day data, the corresponding product name master is read when the product name code is input (set), and is included in the product name master.
The expiration date register 15 is a register that stores expiration date data. The expiry date data is stored in the date / date data stored in the date / date register 12 and the best-of-satisfaction date register 14 when the CPU 1 reads the corresponding product name master when the product name code is input. This is the deadline calculated from the best-before date data. For example, if the date data is August 1, 1998 and the best-before date is 30 days, the expiration date data is August 30, 1998. The best day is the day of the processing date.
The timing for calculating the expiration date (timing for updating the data in the expiration date register 15) is as follows:
(1) In the state in which the best days of the product name master are stored in the best days register 14, the timing every time the date data is stored in the date register 12,
(2) The timing when the best day of the product name master is read and the best day is stored in the best day register 14.
[0019]
The first processing date register 16 is a register for storing date data to be printed on the next (next) label, that is, processing date data. When the print mode program for printing on the label is executed, the year / month / day data stored in the year / month / day register 12 is written in the first processing date register 16 before printing on the next label.
The second processing date register 17 is a register for storing processing date data printed on the previous (previous) label. After the print mode program is executed and the processing date data stored in the first processing date register 16 is printed on the label, the processing date data stored in the first processing date register 16 is changed to the second processing date data. It is written in the processing date register 17.
The first expiration date register 18 is a register that stores expiration date data to be printed on the next (next) label. When the program in the print mode is executed, the expiration date data stored in the expiration date register 15 is written into the first expiration date register 18 before printing on the next label.
The second expiration date register 19 is a register that stores expiration date data printed on the previous (previous) label. After the print mode program is executed and the expiration date data stored in the first expiration date register 18 is printed on the label, the expiration date data stored in the first expiration date register 18 is changed to the second expiration date data. It is written in the expiration date register 19.
The warning flag 20 is determined whether or not the two processing date data stored in the first and second processing date registers 16 and 17 match, and when it is determined that they do not match, A determination is made as to whether or not the two expiration date data stored in the first and second expiration date registers 18 and 19 match, and an error is indicated when it is determined that they do not match It is.
[0020]
FIG. 9 is a diagram showing the contents of the product name master stored in the product name master storage unit 4. The product name master is composed of a product name code, a product name, raw materials / additives, content, and best days.
FIG. 10 is a diagram showing data and calculation results displayed on the display unit 5 in the print mode. The contents shown in FIG. 10 are displayed when the product name code is input and the process of step S300 shown in FIG. 3 is completed. From above, product name code, product name, raw materials / additives, content, processing date (processing date data stored in the first processing date register 16), best days, expiration date (stored in the first expiration date register 18) Displayed), and the time (the time stored in the hour / minute register 13) are displayed. If the label printing key (label issuing key) of the input unit 6 is pressed while this display is being made, the contents of this display can be printed on the label.
[0021]
In FIG. 11, the display unit 5 displays the date and hour / minute data (data stored in the year / month / day and hour / minute registers 12 and 13) output from the clock unit 9. The data is displayed so that the operator can confirm the data. The contents shown in FIG.
(1) A stage where step S108 shown in FIG.
(2) Displayed when the mode is switched from the mode other than the print mode to the print mode and the step S210 shown in FIG. 2 is processed.
When the power of the label printer is turned on, the data such as the date and time output from the clock unit 9 at the start of work inspection is automatically displayed on the display unit 5, thereby providing the operator with the date Thus, it is possible to forcibly determine whether or not the data is correct.
When switching from a mode other than the print mode to the print mode, the data such as the date of the clock unit 9 can be rewritten in the program mode, so the mode other than the print mode is switched to the print mode. Sometimes, data such as date may have been rewritten. At this time, the operator may be forced to determine whether the data such as date is correct. I can do it.
Then, as shown in FIG. 11, a message indicating that the determination contents as to whether the data such as the date is correct is to be input is displayed together with the data such as the date. At this time, even if a key other than the Yes key (label issuing key of the input unit 6) and the No key (erase key of the input unit 6) is operated, an instruction cannot be input. Data such as date can be reliably determined, and necessary correction of data such as date can be reliably performed. When the Yes key of the input unit 6 is pressed, it is possible to proceed to a stage (step) where printing can be performed on the label, but when the No key is pressed, an instruction to change the date / time data of the clock unit 9 is given. Is displayed on the display unit 5 (S114, S220). If the date and time data of the clock unit 9 is changed by switching to the program mode, the contents shown in FIG. 11 are displayed on the display unit 5 when returning to the print mode (S210). Date and time data can be confirmed.
[0022]
FIG. 13 shows the contents displayed on the display unit 5 with the processing date and the expiration date data at the stage of step S414 when the product name code is input after changing the data such as the date of the clock unit 9. The operator can be forced to determine whether the processing date and the expiration date data are correct. In step S416, it is determined whether or not the confirmation key has been pressed. This determination is performed when the date data of the clock unit 9 has not been changed (the confirmation key is displayed). (The figure is not shown.) However, when the date data of the clock unit 9 has been changed, as shown in FIG. 13, a Yes key or No key for inputting the contents of determination as to whether the processing date and the expiration date data are correct is displayed. A message to be pressed is displayed (not shown in the flowchart).
[0023]
FIG. 14 is a diagram illustrating the contents displayed on the display unit 5 when the alarm flag 20 is turned on in the print mode. That is, the immediately preceding label print data is the process date and expiry date data stored in the second process date register and the expiry date registers 17 and 19, and is data that has already been printed on the previous label. The label print data is the process date and expiry date data stored in the first process date register and the expiry date registers 16 and 18, and is the data scheduled to be printed on the next label.
FIG. 14 shows a state where the processing date of the label print data is supposed to be “August” if it is originally changed to “September” due to, for example, external noise. In other words, when data with the same processing date and expiration date is sequentially printed on a predetermined number of labels, the processing date or expiration date data to be printed on the next label is different from the data printed on the previous label. 14 is displayed, the operator can be warned to correct erroneous data. When this display is made, printing can be automatically interrupted so that erroneous data is not printed on the label.
Further, when this label printer is used at midnight and the date and time data (date) of the clock unit 9 is changed and the processing date and the expiration date data are changed, the display shown in FIG. It is possible to inform the worker of the contents that have been made.
[0025]
  Claim 1The storage means described are the first and second processing date registers 16 and 17 and the first and second expiration date registers 18 and 19 shown in FIG. 8, and the month / day determination means is shown in FIG. This corresponds to the steps S508 and S510 shown. The date determination unit determines whether or not the two processing date data stored in the first and second processing date registers 16 and 17 match (S508), and the first and second consumptions. This is means for determining whether or not the two expiration date data stored in the expiration date registers 18 and 19 match (S510).
  Claim 2The contents displayed by the described display means are as shown in FIG. 14 and FIG. 15, and this display is displayed when step S520 shown in FIG. 5 is processed. Step S520 is when the date determination unit determines that the two processing date data stored in the first and second processing date registers 16 and 17 do not match, or the first and second consumption. When it is determined that the two expiration date data stored in the expiration date registers 18 and 19 do not match, as shown in FIG. 14 and FIG. This is a step for performing processing to display. As shown in FIGS. 14 and 15, the processing date and consumption period areas to be confirmed are displayed in a shaded manner so that the operator can easily confirm. Similarly, the display shown in FIG. 13 is also conspicuous by shading the areas of the processing date and the consumption period to be confirmed. Instead of shading, the area to be confirmed should be surrounded by a frame or displayed in reverse videoOrAlternatively, the area and other areas may be color-coded.
[0026]
Next, with reference to the flowcharts shown in FIGS. 1 to 5, the label printer configured as described above prints a predetermined content on the label and checks the date, time, processing date, and expiration date. To explain.
FIG. 1 shows a procedure for checking the date and time data of the clock unit 9 when the power of the label printer is turned on. First, when the operator turns on the power (S100), the CPU 1 initializes the I / O 21 to 24, the registers 12 to 19, and the like (S102). Next, the CPU 1 writes the date and time data of the clock unit 9 into the year / month / day register 12 and the hour / minute register 13 (S104). Then, it is determined whether or not a date check instruction has been issued (S106). If the date check instruction has been issued and the determination is YES, the date shown in FIG. Contents representing date, time, etc. are displayed (S108). In the state where the display unit 5 displays the date, time, and the like shown in FIG. 11, the operator determines (checks) whether the data such as the date is correct, and the operator presses the Yes key (label issuance). The CPU 1 cannot perform the next processing until the key (No) or No key (Erasing key) is pressed. If the operator determines that the date is correct and presses the Yes key, the process proceeds to Step S200 (S110, S112). ).
[0027]
However, if it is determined in step S106 that the date check command (setting) is not issued and NO is determined, the process proceeds to the next step S200 without displaying the date.
In step S112, when the operator determines that the data such as the date is incorrect and presses the No key, the display unit 5 should adjust the data such as the date as shown in FIG. A message to the effect is displayed and the process proceeds to step S200 (S114).
As described above, when the power of the label printer is turned on, the operator can be forced to determine whether the data such as the date of the clock unit 5 is correct. Even without relying on the operator's attention, data such as date can be surely checked.
[0028]
Next, the CPU 1 determines whether or not the position of the key switch 8 is in the print mode (S200). That is, in step S112, when the operator determines that the date is incorrect and presses the No key, in order to adjust the data such as the date of the clock unit 9, the key switch 8 Although it is necessary to set the position to the program mode, in step S112, when the operator determines that the date is correct and presses the Yes key, data such as the date can be printed on the label. Since this is possible, the position of the key switch 8 is set to the print mode.
Here, first, the procedure in the case where the operator presses the No key, sets the position of the key switch 8 to the program mode, and adjusts data such as the date of the clock unit 9 in step S112 will be described. Accordingly, in step S200, the CPU 1 determines NO, and the operator adjusts data such as the date of the clock unit 9 in the program mode (S202). (Not shown) is turned on (S204), and the process returns to step S200.
[0029]
Since the adjustment of data such as the date of the clock unit 9 has been completed, the operator switches the position of the key switch 8 to the print mode (S200). Then, it determines with YES by step S200, and since there is a date check, it determines with YES by step S206, and determines whether a date check flag is ON (S208). Whether the date check flag is ON or not is determined because the date check flag is ON and YES is determined as YES, there is a possibility that data such as the date of the clock unit 9 has been adjusted. Therefore, in the next steps S210 to S214, it is possible to further perform processing for determining whether or not the data such as date is correct. If the date check flag is OFF and it is determined NO, the data such as the date is determined (checked) in steps S108 to S112, so that the date is not displayed on the label again. This is because it is possible to perform the process of printing data such as (S218).
[0030]
In addition, since the process of step S210-S214 is equivalent to the process of step S108-S112, the description is abbreviate | omitted.
In step S214, when the operator determines that the data such as the date is correct and presses the Yes key and the CPU 1 determines YES, the date check flag is turned off (S216), and the date is displayed on the label. Etc. is performed (S218), and the process returns to step S200.
In step S214, when the operator determines that the data such as the date is incorrect and presses the No key and the CPU 1 determines NO, the display unit 5 displays the date as shown in FIG. A message indicating that the data should be adjusted is displayed and the process proceeds to step S200 (S220). In the same manner as described above, data such as the date of the clock unit 9 is adjusted in step S202.
Thus, when the position of the key switch 8 is switched from the mode other than the print mode to the print mode, the operator is forced to determine whether the data such as the date of the clock unit 5 is correct. Therefore, data such as date can be surely checked without depending on the operator's attention.
[0031]
Next, the contents of the process of step S218 for printing on the label will be described with reference to FIG. First, the operator inputs the content and format of data to be printed such as the product name code of the product to be printed by operating the input unit 6 (S300). Then, the number of labels to be printed (printed) is set and the label print key is pressed (S302, S304). The label print key is a command key for starting printing. Then, the CPU 1 determines whether or not the remaining number of labels to be printed is 0 (S306). If it is determined that the remaining number of labels is not 0 but NO, it is determined whether or not automatic printing is set. Is determined (S308). This label printer has an automatic print setting for automatically printing a predetermined number of labels continuously, and a manual print setting for printing one label each time an operator presses a label issuing key. Yes, these settings can be preset. That is, in step S308, if the CPU 1 is set to automatic printing and determines YES, it is determined whether or not the previous printed label has been peeled off from the mount so that the printed label can be sent out ( S312) When it is determined that the printed label has been peeled off from the mount and it is determined to be YES, printing is performed on the current label, and this printed label is sent out (S314). Then, the number of printed labels is subtracted from the preset number of labels to be printed to calculate the remaining number of labels to be printed (S316). Thereafter, the process returns to step S306 to determine whether or not the remaining number of labels is 0, and printing is performed on the label in the same manner as described above until the remaining number becomes 0 (S306 to S316). When the number of sheets reaches 0, the printing is terminated, and the process proceeds to step S200 shown in FIG.
[0032]
However, if it is determined in step S308 that manual printing is set and NO, it is determined whether or not the label issuance key has been pressed by the operator (S310), and automatic printing is performed after the label issuance key has been pressed. In the same manner as in, the subsequent printing is sequentially performed after the previous printed label is peeled off from the mount. In this way, the label can be printed.
[0033]
Next, the contents of the process performed by the CPU 1 when the operator inputs data such as the article name code of the article to be printed, that is, the contents of step S300 will be described with reference to FIG. First, when an operator inputs a product name code (S400), the CPU 1 searches the product name code stored in the product name master storage unit 4 (S402). Then, as a result of the search, it is determined whether or not the data of the product name code exists (S404). If the data exists and it is determined YES, the product name master data corresponding to the product name code is read (S406). If it is determined NO because there is no data, the program is terminated. Then, another product name code can be input. When each data of the product name master is read, each read data is stored in a corresponding register, and the best days are written in the best days register 14 (S408). Then, the expiration date is calculated by adding the date data stored in the date register 12 and the expiration date register 14 and the expiration date data, and the calculated expiration date data is written to the expiration date register 15 ( S410).
[0034]
Next, it is determined whether or not the date is set to be checked (S412). If it is determined that the date is not set and NO is determined, the date and time data of the clock unit 9 is determined. The following processing from step S302 shown in FIG. 3 is performed without displaying and checking. If it is determined in step S412 that the date is set to be checked and YES is determined, the date and time data of the clock unit 9 is displayed on the display unit 5 (S414). Next, when the operator determines whether or not the displayed data such as date is correct and determines that the data is correct and presses the confirmation key of the input unit 6, the CPU 1 turns off the date and time display. The contents of the product name master shown in FIG. 10 are displayed on the display unit 5 (S416, S418), and then the process proceeds to step S302.
However, in step S414, the date and time data of the clock unit 9 is displayed on the display unit 5. The display content is “Please press the Yes key or No key” in the content shown in FIG. Instead, “Please press the confirmation key” is displayed (not shown). Here, when the operator determines that the displayed data such as the date is incorrect, it is possible to adjust the data such as the date of the clock unit 9 by switching to the program mode. When the product name code is input after changing the date / time data of the clock unit 9 in this way, the processing date and the expiration date data are displayed on the display unit 5 as shown in FIG. Is displayed.
[0035]
Next, the procedure for the CPU 1 to print data such as the processing date on the label and the procedure for checking the processing date at that time, that is, the contents of step S314 will be described with reference to FIG. First, the CPU 1 writes the date data stored in the date register 12 to the first processing date register 16 (S500), and uses the expiration date data stored in the expiration date register 15 as the first expiration date. Write to the register 18 (S502). Then, it is determined whether or not the date is set to be checked (S504), and it is determined whether or not the date (year / month / day data such as the processing date) is set to be printed ( S506). Here, when it is determined that the date is not set and NO is determined, or when it is determined that the date is not set to be printed and NO is determined, the processing date and consumption in steps S508 and S510. Without checking the deadline data, processing such as printing after the next step S512 is performed. In steps S504 and S506, the date is set to be checked, and the date is set to be printed. When both are determined to be YES, the first and second are set. It is determined whether or not the two processing date data stored in the processing date registers 16 and 17 match (S508). If the two processing date data match and it is determined YES, it is determined whether or not the two expiration date data stored in the first and second expiration date registers 18 and 19 match. Determination is made (S510). And when the 1st and 2nd processing date data correspond and it determines with YES, and the 1st and 2nd expiry date data corresponds and it determines with YES, it is preset, for example The data having the contents shown in FIG. 10 is printed on the label (S512).
However, if the first and second processing date data do not match and it is determined NO, or if the first and second expiry date data do not match and it is determined NO, the alarm flag is turned on. Then (S518), for example, the contents shown in FIG. 14 are displayed on the display unit 5, and this program is terminated. Then, it is possible to print on the label after switching to the program mode and adjusting data such as the date of the clock unit 9.
[0036]
Thus, the processing date and the expiration date data to be printed on the next label stored in the first processing date register 16 and the expiration date register 18, and the second processing date register 17 and the expiration date register 19 are stored. It is determined whether or not the corresponding processing date and expiry date data printed on the previous label stored correspond to each other, and the corresponding processing date and expiry date data correspond to each other. Since the data is printed on the label when they match each other, the processing date and expiration date data can be checked for each label, and the correct processing date and expiration date data are always printed on the label. can do. Therefore, for example, when the processing date of the same date is printed on a plurality of labels, the data of the processing date stored in the first and second processing date registers 16, 17 etc. due to external noise or the like. When the corresponding items do not coincide with each other, the abnormality is automatically detected and label printing is interrupted, and the abnormality can be displayed on the display unit 5 to notify the operator. When notifying the abnormality, as shown in FIGS. 13 to 15, the area for displaying the data of the processing date and the consumption period to be confirmed is shaded or displayed in black and white so that it stands out. An operator can be surely notified.
[0037]
Then, after performing the printing process in step S512, the machining date data printed this time stored in the first machining date register 16 is written to the second machining date register 17 (S514), and the first consumption The expiration date data printed this time stored in the expiration date register 18 is written to the second expiration date register 19 (S516). Thereafter, the process proceeds to step S316, and the process of each step is performed.
[0038]
Further, in steps S106, S206, S412, and S504, it is determined whether or not the date check is set. If the date check is not set, data such as a processing date is displayed on the display unit 5. In this case, the label printer can proceed with the printing process steps sequentially without unnecessary checking of data such as the processing date, and the printing time can be shortened. Can do.
Further, in step S506, it is determined whether or not date printing is set. Even when the date check is set, when the date is not printed, the unnecessary date is not checked. The steps of the printing process of the label printer can be advanced sequentially.
[0042]
【The invention's effect】
  The first invention isEach time the data including the month and day is printed on the label, it is determined whether or not the data of the month and date printed on the previous label and the data on the month and day scheduled to be printed on the next label match each other. Thus, the determination can be made sequentially. Therefore, for example, when data including the date is printed on the label sequentially by this label printer, even if the date data is changed without the operator's awareness due to external noise, the change is automatically performed. The date determination means can reliably determine the date. Thereby, according to this label printer, the month and date printed on the label can be automatically checked for each label so that incorrect date data is not printed on the label.
[0043]
  Second inventionAccording to the above, when the date determination means determines that the previous month date data and the next month date data do not match each other, the previous and next month date data is displayed on the display means. Therefore, the operator can easily visually check the data of the previous and next months displayed on the display means that are different from each other. Therefore, if the next date data is incorrect, the data can be changed reliably.
[0044]
  Third inventionAccording to the present invention, by applying each of the first to fifth inventions to a label printer capable of printing data on the processing date and the expiration date on the label, an incorrect processing date and expiration date are applied to the processed product. Can be prevented from being printed, thereby maintaining the business credibility of the person who sells the item with the label.
[Brief description of the drawings]
FIG. 1 is a flowchart showing a procedure for checking data such as a date of a clock unit when a label printer according to an embodiment of the present invention is turned on.
FIG. 2 is a flowchart showing a procedure for checking data such as a date of a clock unit when the mode of the label printer of the embodiment is switched to a print mode.
FIG. 3 is a flowchart showing details of processing in step S218 shown in FIG. 2;
FIG. 4 is a flowchart showing the contents of processing in step S300 shown in FIG.
FIG. 5 is a flowchart showing details of processing in step S314 shown in FIG. 3;
FIG. 6 is a block diagram showing an electric circuit of the label printer of the embodiment.
FIG. 7 is a diagram showing data such as a date that is output by the clock unit of the embodiment.
FIG. 8 is a diagram illustrating a register related to a date and the like in the RAM according to the embodiment;
FIG. 9 is a diagram showing the contents of a part storing a product name master in a product name master storage unit of the embodiment;
FIG. 10 is a diagram illustrating a state in which the display unit displays print contents in the print mode of the label printer of the embodiment.
FIG. 11 is a diagram showing a state in which the display unit of the embodiment performs display for requesting data check such as date.
FIG. 12 is a diagram showing a state in which the display unit of the embodiment performs a display instructing change of data such as a date of a clock unit.
FIG. 13 is a diagram illustrating a state where the display unit of the embodiment performs display for checking data such as a changed date of the clock unit when the product name master is read.
FIG. 14 is a diagram showing a state in which the display unit of the embodiment performs a display for warning about a processing date.
FIG. 15 is a diagram showing a state in which the display unit displays a warning that the date has changed and the processing date has been changed in the label printer of the embodiment.
[Explanation of symbols]
1 CPU
2 ROM
3 RAM
4 Product name master storage
5 display section
6 Input section
7 Printer
8 Key switch
9 Clock part

Claims (3)

A clock unit that outputs the date and time is built in. Based on the month and date output from this clock unit, the calculation unit calculates the date data printed on the label, and the data including the calculated month and date is used as the label. In a label printer that can print,
Storage means for storing previous month / day data which is data of the month / day printed on the previous label , and next month / day data which is data of a month / day scheduled to be printed on the next label;
Month / day determination means for determining whether or not the previous month / day data stored in the storage means and the next month / day data match each other;
Printing means for printing data including the next month / day data on the label only when the previous month / day data determination unit determines that the previous month / day data matches the next month / day data;
Label printer provided. 2. The label printer according to claim 1, wherein the previous month date data and the next month date are determined when the month date determination unit determines that the previous month date data does not match the next month date data. A label printer provided with display means for displaying data . In the label printer according to claim 1 or 2, the month and day, the label printer is expiration and processing date.

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