JP5696578B2 - Calling system linked with tag reader - Google Patents

Description

  The present invention relates to a call system such as a nurse call system, and more particularly to a call system linked to an ID reader.

  In a conventional nurse call system, when a call button is pressed, a nurse call center rings or is notified to all wireless terminals. Therefore, the nurse who received the notification must deal with the patient directly or call the nurse in charge of the patient who pressed the call button, which is inconvenient.

  In order to solve this, in the technique of Patent Document 1, a call terminal of a patient is stored in advance in association with a corresponding portable terminal of a nurse, and when the call button is pressed, the call button is pressed. A function for calling a mobile terminal is disclosed.

JP 2000-107240 A

  However, in the technique disclosed in Patent Document 1, in order to notify the nurse in charge, the registration operation must be performed in advance, and if the nurse in charge changes, registration must be performed again. There's a problem.

  Further, the technique of Patent Document 1 does not consider a countermeasure when the nurse is not noticed that the nurse has been called.

  From the above problems, the object of the present invention is that there is no need to re-register even when the nurse in charge changes, and when the nurse in charge is not aware that the nurse has been called, another nurse is called. The purpose is to call one of the nurses reliably.

According to a first aspect of the present invention, there is provided a plurality of call button units having an ID reader function and a call button unit that receives the call button unit and receives a call operation signal from the call button unit. ID a paging system comprising a paging control apparatus notifies the display or a predetermined terminal to the effect that the call button unit, while the self-call button unit has detected the ID tag existing in the vicinity, was the detection A notification means for periodically notifying the call control device of ID tag information of the tag and unit information for identifying the self- call button unit, wherein the call control device includes ID tag information notified from the call button unit; The ID tag information with the cumulative value of the duration for which the periodic notification of unit information continues as the cumulative notification duration And has a cumulative notification continuation time storage means for associating and storing the unit information, the corresponding terminal information storage means for storing in association with advance the ID tag information and the destination information of a predetermined terminal, and one of the when receiving the signal and the unit information relating the call button unit to the call operation, corresponding to the call button unit stored in the information relating to the call button unit said received, and the accumulated notification continuation time storage means Show information accumulated notification duration according to the longest ID tag information, or wherein the cumulative notification duration notifies the terminal corresponding to the longest ID tag information.

  According to the nurse call system of the present invention, a nurse who has been nursed by a patient for the longest time can be called, so that a nurse who knows the situation can respond to the patient.

FIG. 2 is an overall system configuration diagram of the present invention and a functional block diagram of a call button unit. It is a functional block diagram of the call control device of the present invention. It is an example of the reception time storage table accumulated in the ID tag information storage unit It is an example of the accumulation time storage table accumulate | stored in ID tag information storage part. It is an example of the accumulation frequency storage table accumulated in the ID tag information storage unit It is an example of the radio | wireless terminal information storage table accumulate | stored in the radio | wireless terminal information storage part. It is an operation | movement flowchart of a call button unit. 3 is an operation flowchart of the call control device 1. 4 is an operation flowchart of reception time storage processing of the call control device 1; 4 is an operation flowchart of accumulated time storage processing of the call control device 1; 4 is an operation flowchart of a cumulative count storage timer start process of the call control device 1; 4 is an operation flowchart of accumulated number storage processing of the call control device 1; 4 is an operation flowchart of a wireless terminal call process of the call control device 1.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 is an overall system configuration diagram of the present invention and a functional block diagram of a call button unit 2.

  The overall system configuration diagram of the present invention includes a call control device 1 installed in a nurse center and the like, a wireless terminal 5 having an ID tag 6 held by a nurse, which is called through the exchange 3 and the wireless base station 4, Each hospital room is composed of a call button unit 2 provided for each bed in each ward.

  The call button unit 2 includes a button input unit 21 that detects input of the call button 25 that the patient presses when calling, a button unit ID tag reader 22 that detects the ID tag 6, and the detected ID tag information to the control device interface 24. It consists of a button unit ID notification unit 23 for transmission, a control device interface 24 for transmitting call button input, detection ID tag information and own unit information to the control device 1, and a measurement timer unit 26 for measuring a certain interval.

  It is also possible to call a mobile phone terminal via a telephone network between the exchange 3 and the radio base station 4.

  FIG. 2 is a functional block diagram of the call control device 1 of the present invention.

  The call control device 1 includes a main control unit 101, a call button interface 102, an exchange interface 103, a display unit control unit 104, a display unit 105, a key input unit 106, a dial button 107, and a setting data storage unit. 108, control device ID notification unit 109, control device tag reader 110, time control unit 111, ID tag information management unit 112, ID tag information storage unit 113, wireless terminal information management unit 114, wireless terminal An information storage unit 115 and a timer management unit 116 are included.

  The main control unit 101 includes a call button interface 102, an exchange interface 103, a display control unit 104, a key input unit 106, a setting data storage unit 108, a control device ID notification unit 109, an ID tag information management unit 112, and wireless terminal information management. Connected to the unit 114 and the timer management unit 116, controls the overall processing of this apparatus, and controls other connected block units.

  The call button interface 102 transmits the ID tag information and the call button unit information received from the call button unit 2 or the call button pressing information to the main control unit 101.

  The exchange interface 103 transmits a wireless terminal number to be called to the exchange 3 and transmits a partner response signal received from the exchange 3 to the main control unit 101.

  The display control unit 104 receives the wireless terminal information from the main control unit 101 at the time of calling the wireless terminal, and causes the display 105 to display the wireless terminal information.

  The display device 105 displays the wireless terminal information received from the main control unit 101.

  The key input unit 106 detects that the dial button 107 is pressed when the wireless terminal number is registered, and transmits the pressed number to the main control unit 101 as the telephone number of the wireless terminal.

  Dial button 107 transmits the pressed number to key input unit 106.

  The setting data storage unit 108 stores the calling method setting data of the wireless terminal. The setting data storage unit 108 stores in advance setting information as to whether to use any one of the reception time, accumulated time, and accumulated number of calling methods.

  The control device ID notification unit 109 transmits the ID tag information detected by the control device ID tag reader 110 when registering the ID tag information to the main control unit 101.

  When the control device ID tag reader 110 detects the ID tag, it transmits the detected ID tag information to the control device ID notification unit 109.

  The time control unit 111 controls time.

  When the ID tag information management unit 112 receives the ID tag information and the call button unit information from the main control unit 101, the ID tag information management unit 112 associates the time acquired from the time control unit 111 with the reception time storage table 300 of the ID tag information storage unit 113. Store them and manage them in order from the current time.

  FIG. 3 is an example of the reception time storage table 300 accumulated in the ID tag information storage unit 113.

301 call button unit number, 302 calls the order of each call button unit numbers 303 receives the ID tag information, 304 is stored the ID tag information reception time, in correspondence the contents of each record of the 305 Yes.

  The reception time storage table 300 is created when the call control device 1 receives the ID tag information, and is referred to when the call control device 1 calls the wireless terminal. Details will be described later.

  FIG. 4 is an example of the accumulated time storage table 400 accumulated in the ID tag information storage unit 113 of the call control device 1.

  401 is the call button unit number, 402 is the call order for each call button unit number, 403 is the reception ID tag information, 404 is the number of receptions, 405 is the accumulated time, and the contents of each record of 406 correspond to each other. ing.

  The accumulated time storage table 400 is created when the call control device 1 receives ID tag information, and is referred to when the call control device 1 calls a wireless terminal. Details will be described later.

  FIG. 5 is an example of the cumulative number storage table 500 stored in the ID tag information storage unit 113 of the call control device 1.

  501 is a call button unit number, 502 is a call order for each call button unit number, 503 is reception ID tag information, 504 is the number of receptions, 505 is a cumulative number, and the contents of each record of 506 correspond to each other. ing.

  The accumulated number storage table 500 is created at the time of accumulation number storage time-out from the timer management unit 116, and is referred to when the call control device 1 calls the wireless terminal. Details will be described later.

  The ID tag information storage unit 113 stores a reception time storage table 300, an accumulated time storage table 400, and an accumulated times storage table 500.

  The wireless terminal information management unit 114 associates the ID tag information received from the main control unit 101 with the wireless terminal number and stores them in the wireless terminal information storage unit 115 as corresponding terminal information storage means for management.

  FIG. 6 is an example of a wireless terminal information storage table 600 stored in the wireless terminal information storage unit 115 of the call control device 1.

  601 stores a wireless terminal number, 602 stores ID tag information, and the contents of each row of 603 correspond to each other.

  The wireless terminal information storage table 600 is created when the wireless terminal number is registered, and is referred to when the call control device 1 calls the wireless terminal. Details will be described later.

  The wireless terminal information storage unit 115 stores a wireless terminal information storage table.

  The timer management unit 116 manages the accumulated number storage timeout in order to store the accumulated number.

  FIG. 7 is an operation flowchart of the call button unit 2. This flow operates when the power of the call button unit 2 is turned on.

The call button unit 2 is installed in the vicinity of the patient's bed, and the built-in button unit ID tag reader 22 receives the timer notification from the measurement timer unit 26 and constantly detects the ID tag 6 for a certain period . .

The measurement timer unit 26 of the call button unit 2 starts a measurement timer for a certain period (S701).

  Then, the call button unit 2 waits for the patient to press the call button 25 (S702) or for a certain period of time to elapse (S704).

  When the patient presses the call button 25 installed near the bed, the call button unit 2 detects that the button input unit 21 has pressed the call button 25 (YES in S702) and calls the call control device 1 from the control device interface 24. The button 25 is pressed and its unit information is notified (S703).

When a certain period of time has elapsed (YES in S704), the call button unit 2 determines whether the button unit ID tag reader 22 has detected the ID tag 6 built in or attached to the wireless terminal 5 held by the nurse (S705). . When the ID tag 6 is detected (YES in S705), the call button unit 2 transmits the ID tag detected by the button unit ID notification unit 23 to the control device interface 24 as call ID tag information, and the call control device from the control device interface 24. 1 is notified of the call ID tag information and own unit information (S706). Thereafter, the call button unit 2 restarts the measurement timer for a certain period (S707) and returns to step 702.

When the ID tag is not detected (NO in S705), the call button unit 2 restarts the measurement timer for a certain period (S707) and returns to Step 702.

  FIG. 8 is an operation flowchart of the call control device 1. This flow operates when the call control device 1 is powered on. First, a method for storing the wireless terminal storage table will be described.

The control device ID tag reader 110 built in the call control device 1 is constantly detecting the ID tag 6.
The call control device 1 detects the ID tag information by holding the wireless terminal 5 with the ID tag 6 built-in or pasted close to the control device ID tag reader 110 of the call control device 1 (YES in S801), and stores the wireless terminal. The mode shifts to a mode for registering wireless terminal numbers in the table 600. The control device ID notification unit 109 notifies the detected ID tag information to the main control unit 101, and the main control unit 101 instructs the wireless terminal information management unit 114 to store the ID tag information in the wireless terminal information storage table 600. It is set in the column 602 (S802).

  At this time, when the extension number of the wireless terminal 5 is input by pressing the dial button 107, the key input unit 106 receives the extension number (S803) and notifies the main control unit 101 of the received extension number. The main control unit 101 sets the extension number as the extension number of the wireless terminal corresponding to the ID tag information in the 601 column of the wireless terminal information storage table 600 (S804).

  Upon receiving the detected ID tag information and the call button unit number from the call button unit 2 that has detected the ID tag (YES in S805), the call control device 1 receives the reception time storage table 300, the accumulated time storage table 400, and the accumulated number of times storage table. The mode shifts to a mode in which 500 tables are updated. First, a reception time storage process is executed (S806). Details will be described later with reference to FIG.

  Next, an accumulated time storage process is executed (S807). Details will be described later with reference to FIG.

  Next, a cumulative number storage timer start process is executed (S808). Details will be described later with reference to FIG.

  The call button unit 2 that has detected the pressing of the call button 25 notifies the call control device 1 of a call button press notification and a self-call button unit number. When the call button unit number and the call button press notification are received (YES in S809), the radio terminal call mode for calling the radio terminal 5 is entered, and the radio terminal call process is executed (S811). Details will be described later with reference to FIG.

If the ID tag information is not detected (S801 NO), the ID tag information and the call button unit number are not received (S805 NO), and the call button unit number and the call button press notification are not received (S809 NO), the accumulated number storage process is performed. Execute (S810). Details will be described later with reference to FIG.

  FIG. 9 is an operation flowchart of the reception time storage process of the call control device 1. This flow is started after receiving the ID tag information and the call button unit number in FIG. 8 (YES in S805).

  When the call control device 1 receives the call button unit number and the ID tag information, the call control device 1 searches the call button unit number 301 and the reception ID tag information 303 in the reception time storage table to search whether or not a matching record is stored. (S901).

  If a record that matches the received call button unit number and ID tag information is stored (YES in S902), the call control device 1 deletes the record (S903). If no matching record is stored (NO in S902), the call control device 1 deletes the oldest record (S904).

  Then, the call control device 1 newly adds a record to the matching call button unit number, and receives the received ID tag information in the received ID tag information 303 column and the corresponding ID tag information reception time 304 column. Are newly registered (S905), and the records of all received ID tag information corresponding to the call button unit number in the call button unit number field 301 are rearranged in order of the ID tag information reception time closest to the current time. (S906).

  FIG. 10 is an operation flowchart of the accumulated time storage process of the call control device 1. This flow starts after the reception time storage process (S806) is executed in FIG.

  When the call control device 1 receives the call button unit number and the ID tag information, the call control device 1 searches the call button unit number 401 and the reception ID tag information 403 in the accumulated time storage table to search whether or not a matching record is stored. (S1001).

If a record that matches the received call button unit number and ID tag information is stored (YES in S1002), the call control device 1 selects the record (S1003). If Re cry matching record is not stored (S1002NO), newly create a record selection (S1004).

  The number of receptions of the ID tag information of the selected record is incremented by 1 (S1005), and the accumulated time is calculated and registered from the product of the number of receptions and the given interval notified (S1006). The records of all received ID tag information corresponding to the call button unit number in the call button unit number 401 column are rearranged in the order of the accumulated time (S1007).

  Note that the reception ID tag information, the number of receptions, and the accumulated time in the accumulated time storage table are cleared every time a certain time elapses.

  FIG. 11 is an operation flowchart of the accumulated number storage timer start process of the call control device 1. In addition, this flow is started after executing the accumulated time storage process (S807) in FIG.

  When the call control device 1 receives the call button unit number and the ID tag information, the call control device 1 searches the call button unit number 501 and the received ID tag information 503 in the cumulative number storage table, and searches for a matching record. (S1101).

  If a record that matches the received call button unit number and ID tag information is stored (YES in S1102), the record is selected (S1103). If no matching record is stored (NO in S1102), a new record is created and selected (S1104).

  If the number of receptions of the ID tag information of the selected record is not a certain number or more (NO in S1105), the number of receptions of the ID tag information of the selected record is incremented by 1 (S1106).

  If it is equal to or greater than the predetermined number of times (YES in S1105), the cumulative number storage timer corresponding to the calling unit number and ID tag information is started (S1107).

  Since the ID tag cumulative number storage timer is restarted while the nurse is nursing the patient for a certain time or more, the ID tag cumulative number storage timer does not time out while nursing.

FIG. 12 is an operation flowchart of the accumulated number storage process of the call control device 1. This flow starts when the call button unit number and the call button press notification are not received in FIG. 8 (NO in S809).

When the nurse nurses the patient for a certain period of time and leaves the bed, the cumulative number is counted as the number of times of nursing. When leaving the bet, since not receive the ID tag information and unit information, time out cumulative number stored timer that is started by the cumulative number of times stored timer start process of the present invention in FIG. 11.

When the accumulated number storage timer times out (YES in S1201), the call control device 1 uses the call button unit number and ID tag information associated with the timer to call the call button unit number 501 and the received ID tag information 503 in the accumulated number storage table. Is searched, whether or not a matching record is stored (S1202), and the record is selected (S1203) . Clear the number of times of reception of the ID tag information of the selected record to the next (S1204), +1 Mr. the cumulative number of the ID tag information of the selected record (S1205), the the call out button unit number of call buttons unit number 501 in column All the records of the corresponding reception ID tag information are rearranged in descending order of the cumulative number (S1206).

Note that if the ID tag information accumulation count storage timer has not timed out (NO in S1201), the process is not performed and the process is exited.

  Note that the reception ID tag information, the reception count, and the cumulative count of the cumulative count storage table are cleared every time a predetermined time elapses.

  FIG. 13 is an operation flowchart of the wireless terminal call processing of the call control device 1. This flow starts in FIG. 8 after receiving the call button unit number and the call button press notification (YES in S809).

  The call control device 1 determines the calling method based on the calling method setting data stored in the setting data storage unit 108, and determines which calling order table to refer to (S1301).

If the setting is to be called in order of reception time (S1301, reception time), the reception time storage table is referred to (S1302), and if the setting is to be called in order of accumulation time (S1301, accumulation time), the accumulation time storage table is referred to (S1303). If the setting is to be called in order of the cumulative number (S1301, cumulative number ), the cumulative number storage table is referred to (S1304).

It searches the call button unit number column of reference storage table, receiving the call out sequence 302,402,502 that corresponds to the button unit number 301, 401, 501 exits the call was received is "1" ID tag information 303, 403 and 503 are extracted (S1305), and the ID tag information 602 in the wireless terminal information storage table 600 corresponding to the received ID tag information is searched. Then, the wireless terminal number 601 with the matching ID tag information is acquired (S1306). The wireless terminal having the acquired wireless terminal number is called (S1307), and the calling time timer is started (S1308).

  If the wireless terminal responds (1309 YES), the process is terminated. If the wireless terminal does not respond (NO in S1309) and the calling time timer times out (YES in S1310), the calling in the next order is performed unless all the records corresponding to the unit number in the storage table have been called again (NO in S1311). The ID tag information of the order is referred to (S1312), the corresponding wireless terminal number is acquired, and the wireless terminal with the wireless terminal number is called.

  If all the records have been called (YES in S1311), the process ends.

  In this embodiment, the wireless terminal number 601 in the wireless terminal information storage table 600 is acquired in step 1306 and called by the terminal number. For example, the wireless terminal number 601 is a mail address, and the mail address The received ID tag information in the ID tag information storage table or the call button unit number of the call button unit 2 may be notified.

  In this embodiment, the wireless terminal is called in step 1307. However, the received ID tag information or the call button in the ID tag information storage table is displayed from the display control unit 104 of the call control device 1 to the display unit 105. The call button unit number of unit 2 may be displayed.

  According to a first aspect of the present invention, a plurality of call button units having an ID reader function and a call button unit that is called by the call button unit when receiving a signal related to a call operation from the call button unit. A call system comprising a call control device that displays a notification or notifies a predetermined terminal, and when the call button unit detects an ID tag in the vicinity of the call button unit, the ID tag of the detected ID tag Notification means for notifying the call control device of unit information for identifying information and its own unit, and when the call control device receives the ID tag information and the unit information by the notification means, the ID tag information and the unit information ID tag information storage means for associating and storing the ID tag information and a predetermined terminal And corresponding terminal information storage means for storing the destination information in association with each other, and when receiving a signal and unit information relating to a call operation from any of the button units, the corresponding information is obtained with reference to the ID tag information storage means. Among ID tags detected by the button unit, predetermined ID tag information is read by a predetermined method, and the read ID tag information or information related to the button unit is displayed, or the corresponding terminal information storage means is referred to. The terminal corresponding to the ID tag information is notified.

  According to a second aspect of the present invention, the ID tag is an ID tag corresponding to a predetermined wireless terminal, and the corresponding terminal information storage means further includes a telephone of the wireless terminal associated with the ID tag information. The number is stored, and when the signal related to the calling operation and the unit information of the own unit are received from any of the button units, the corresponding terminal information storage means is referred to and the telephone number of the wireless terminal corresponding to the ID tag information Then, the wireless terminal is called.

  According to a third aspect of the present invention, the notification means of the call button unit detects an ID tag that is present in the vicinity of the self-call button unit at regular intervals, and detects ID tag information of the ID tag detected. Unit information for identifying the own unit is notified to the call control device. When the call control device receives the ID tag information and unit information by the notification means, the number of times the ID tag information and unit information are received. Receiving time counting means for counting, and cumulative time storage means for storing the ID tag information and the unit information in association with each other, and the accumulated time obtained by the product of the number of receptions and the predetermined interval, When the signal and unit information related to the call operation are received from the button unit of Among the ID tags detected by the button unit, the ID tag information with the longest accumulated time is read, and the read ID tag information or information related to the button unit is displayed, or referring to the corresponding terminal information storage means The terminal corresponding to the ID tag information is notified, or the wireless terminal is called by the telephone number of the wireless terminal corresponding to the ID tag information.

  According to a fourth aspect of the present invention, if there is no response from the calling wireless terminal within a predetermined time, the next accumulated time is the next most accumulated among the ID tags detected by the button unit with reference to the accumulated time storage means. Read the ID tag information, display the read ID tag information or information related to the button unit, or refer to the corresponding terminal information storage means to notify the terminal corresponding to the ID tag information, or the corresponding terminal The wireless terminal corresponding to the ID tag information is called with reference to the information storage means.

  According to a fifth aspect of the present invention, the notification means of the call button unit detects an ID tag in which the call button unit is present in the vicinity at regular intervals, and when the ID tag is detected, the ID tag of the detected ID tag Information and unit information for identifying its own unit are notified to the call control device, and when the call control device receives the ID tag information and unit information by the notification means, the ID tag information and unit at the predetermined interval. Monitoring until no information is received, and counting the cumulative number from the reception start to the end of reception of the ID tag information and unit information, and the cumulative number in association with the ID tag information and unit information A cumulative number storage means for storing, and receiving a signal and unit information related to a call operation from any button unit Then, the ID tag information having the largest cumulative number among the ID tags detected by the corresponding button unit with reference to the cumulative number storage means is read, and the read ID tag information or information related to the button unit is displayed. Or by referring to the corresponding terminal information storage means and notifying the terminal corresponding to the ID tag information, or calling the wireless terminal with the telephone number of the wireless terminal corresponding to the ID tag information. .

  According to a sixth aspect of the present invention, if there is no response from the called wireless terminal within a predetermined time, an ID tag having the next highest accumulated number of ID tags detected by the button unit with reference to the accumulated number storage means is referred to. Read tag information, display the read ID tag information or information related to the button unit, refer to the corresponding terminal information storage means, notify the terminal corresponding to the ID tag information, or the corresponding terminal information The wireless terminal corresponding to the ID tag information is called with reference to the storage means.

  According to the nurse call system of the present invention, a nurse who has been nursed by a patient for the longest time can be called, so that a nurse who knows the situation can respond to the patient.

  In addition, when the nurse call destination wireless slave device that has been called first does not respond, the nurse call can be noticed by any nurse by calling other wireless slave devices in order of long nursing time.

  In addition, since the nurse with the highest number of times of nursing can be called, a nurse who knows the situation can respond to the patient.

  In addition, when the first caller's call destination wireless handset does not answer, the nurse call can be noticed by one of the nurses by calling the other wireless handset in descending order of nursing care.

DESCRIPTION OF SYMBOLS 1 ... Call control apparatus 2 ... Call button unit 3 ... Switch 4 ... Wireless base station 5 ... Wireless terminal 6 ... ID tag 21 ... Button input part 22 ... Button Unit ID tag reader 23 ... button unit ID notification section 24 ... control device interface 25 ... call button 26 ... measurement timer section 101 ... main control section 102 ... call button interface 103 ... Switch interface 104 ・ ・ ・ Display control unit 105 ・ ・ ・ Display 106 ・ ・ ・ Key input unit 107 ・ ・ ・ Dial button 108 ・ ・ ・ Setting data storage unit 109 ・ ・ ・ Control device ID notification unit 110 ・ ・ ・Control device ID tag reader 111 ... time control unit 112 ... ID tag information management unit 113 ... ID tag information storage unit 114 ... Line terminal information managing unit 115 ... wireless terminal information storage section 116 ... timer managing unit

Claims (1)

A plurality of call button units having an ID reader function, and when receiving a signal related to a call operation from the call button unit containing the call button unit, display that the call button unit has called or notify a predetermined terminal A call system comprising: a call control device,
The call button unit is
Notification means for periodically notifying the call control device of ID tag information of the detected ID tag and unit information for identifying the self- call button unit while the self- call button unit is detecting an ID tag in the vicinity. Have
The call control device includes:
Cumulative notification duration stored in association with the ID tag information and unit information as the cumulative notification duration as the cumulative value of the duration in which the periodic notification of the ID tag information and unit information notified from the call button unit continues Storage means;
Correspondence terminal information storage means for storing the ID tag information and destination information of a predetermined terminal in association with each other in advance,
When receiving the signal and the unit information in accordance with the call operation from one of the call button unit, information relating to call button unit said received, and the call button stored in the accumulated notification continuation time storage means calls in conjunction with a tag reader, wherein the cumulative notification duration to display the information relating to the longest ID tag information corresponding to the unit or the accumulated notification duration notifies the terminal corresponding to the longest ID tag information system.

Images