JPH06101776B2 - Roll film reader - Google Patents

Description

The present invention relates to a roll film reading device for reading image data of a roll film and storing it in an auxiliary storage device.

[Conventional technology]

Conventionally, this type of roll film reader stops the film running at each position designation position indicating the boundary of each image, stores the read image data in an auxiliary storage device such as a disk, and then restarts it. In the method of reading the next image data, or in the reading of film that does not have a position designation, it stops after reading a predetermined amount of a predetermined image size, and then the auxiliary storage such as an optical disk. A method of storing in the device and then restarting to read the next image has been adopted.

[Problems to be solved by the invention]

The conventional roll film reader described above sets a film for each image printed on the film, reads the image data in a stopped state, writes the image data to an auxiliary storage device such as an optical disk, and then restarts the film. Since a series of operations of setting and reading the next image at the reading position is repeated, there is a drawback that the roll film cannot be read in a running state.

[Means for solving problems]

The roll film reader of the present invention includes a first designation mark indicating the vicinity of the end of each image, a second position designation mark indicating the boundary of adjacent images, and a third position designation indicating the start vicinity of each image. A main scanning direction image scanning mechanism that scans the roll film at right angles to the longitudinal direction of the long roll film with marks on the margins between the images and reads the image data on the roll film. , 1st, 2nd, 3rd scanning the film surface along the position marked
Sub-scanning direction image reading mechanism for reading an image including the position designation mark, a buffer memory for storing image data of n (≧ 2) images, and writing the output of the main scanning direction image reading mechanism to the buffer memory A buffer memory address register that supplies an address for reading, a position designation mark detector that detects the first, second, and third position designation marks from the read output of the sub-scanning direction image reading mechanism, and a position designation mark detector Depending on the output detection signal, the first
~ A plurality of address registers holding addresses corresponding to memory addresses on the buffer memory of the third position designation mark, and after the image data of n images are stored in the buffer memory, the address registers are reset It has an address control unit including a clear control register, and a central processing unit for reading each image data from the buffer memory for each image according to the address of the position designation mark of the address control unit and storing it in the auxiliary memory.

[Action]

By setting the position specifying mark for image positioning on the film, scanning in the longitudinal direction to detect the position specifying mark, and giving the address on the buffer memory,
By the address of the position designation mark, image data can be continuously stored in the auxiliary storage device for each image.

〔Example〕

Next, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a block diagram of an embodiment of a roll film reading apparatus of the present invention, and FIG. 2 is a diagram showing a position designation mark of a film read in FIG.

The roll film 1 used in this embodiment is the second
As shown in the figure, the adjacent images 10, 11 and 12 form a large circle and contact each other, and the end of each image is placed on the film surface near the side edge with respect to the longitudinal direction of the film, in a white space that does not interfere with the image First position designation mark indicating the vicinity 13,16,19
And a second position designation mark 1 indicating the boundary between adjacent images
4, 17, 20 and third position designation marks 15, 18, 21 indicating the vicinity of the start of each image are attached.

As shown in FIG. 1, a roll film reading device for reading the roll film 1 includes a roll film sending / receiving mechanism 2, an auxiliary storage device 8, an image buffer memory 7 having a memory capacity for two images, and a roll film. On the scanning line 22 and the main scanning direction image reading mechanism 3 which scans the film surface in a direction perpendicular to the longitudinal direction of 1 according to a predetermined clock, converts the read image data into a digital image and writes it in the image buffer memory 7. A sub-scanning direction image reading mechanism 4 for scanning the film surface by scanning in the longitudinal direction, a buffer memory address register 9 for supplying an address for writing the output of the main scanning direction image reading mechanism 3 in the image buffer memory 7, From the output of the sub-scanning direction image reading mechanism 4, the detection signals S ₁ , S ₂ , corresponding to the first to third position designation marks,
Address control for receiving the position designation mark detector 5 that outputs S ₃ and the detection signals S ₁ , S ₂ , S ₃ of the position designation mark detector 5 and generating and outputting the addresses on the image buffer memory 7 It comprises a device 6, an address control device 6, an image buffer memory 7, a buffer memory address register 9, and a central processing unit 23 for controlling the auxiliary storage device 8.

FIG. 3 is a diagram showing an output waveform of the image reading mechanism 4 in the sub-scanning direction. Waveforms 30 and 31 while scanning parts such as images 10, 11 and 12
Is clearly distinguished from the waveforms 32, 33, 34 of the input signal corresponding to the first to third position designation marks, and as described above,
The position designation mark detector 5 outputs detection signals S ₁ , S ₂ , S ₃ corresponding to the first to third position detection marks.

FIG. 4 is a diagram showing address allocation of the image buffer memory 7. The address A ₁₁ is the lowest word address of the memory 7, and the address X is the highest word address of the memory 7. The image buffer memory 7 starts when the roll film 1 starts running and the first position designation mark is detected.
The image data read by the image reading mechanism 3 in the main scanning direction is sequentially fetched. The memory addresses corresponding to the detection signals S ₁ , S ₂ , S ₃ are A ₁₁ , A ₂₁ , A ₃₁ , and the memory addresses A ₁₂ , A corresponding to the detection signals S ₁ , S ₂ , S ₃ of the next image.
₂₂ and A ₃₂ . For the next image, the area of the first image 51 of the two images stored in the memory 7 is used, but the memory address is cleared when the third position designation mark of the previous image is detected. Prepare a second self-portrait
Since the memory address address is cleared when the position designation mark of is detected, the addresses corresponding to S ₁ , S ₂ , and S ₃ are
It becomes A ₁₃ , A ₂₃ , and A ₃₃ . For the image 51, the range from address A ₂₁ to address A ₂₂ -1 is treated as image data and stored in the auxiliary storage device 8 such as an optical disk, and for the next image 52, the address A ₂₂ to address A ₂₃ -1. The range of is treated as image data. Furthermore, for the next image, the address A ₂₃
The range from address A ₂₂ +1 to address A ₂₃ -1 is treated as image data, and the same address allocation is shown below.

FIG. 5 is a block diagram of the address control device 6.

The address control device 6 includes an image number counter 60 that counts the number of images in response to the detection signal S ₂ , a memory address register 61 that adds an address by a scanning pulse every time an image is scanned in the main scanning direction, and an image number. Incrementer 84 for counter and incrementer for memory address register
85 and the signal lines that output the detection signals S ₁ , S ₂ , and S ₃ , respectively
And 81, 82, 83, AND gates 63 to 65 in which the contents of the number of images counter 60 is responsive to the detection signal S ₁ to S ₃ when odd, an inverter 62, when the contents of the image number counter 60 is an even number Detection signal
In response to the AND gates 66 to 68 corresponding to S _{1 to} S ₃ and the detection signal S ₃ indicating the vicinity of the start of the even number of images, the next odd number of images are prepared for memory address allocation preparation. Gates 69 and 70 corresponding to the detection signals S ₁ and S ₂ and a gate 63
When the output of ~ 70 is "1", the address registers 71 to 78 for inputting the address from the memory address register 61 and the first signal set in response to the detection signal S ₃ indicating the start vicinity of the even number of images are set. It comprises a clear control register 79 and a second clear control register 80 which is set to clear the memory address register 61. Address registers 71 to 78 are address A in the memory allocation diagram of FIG.
Corresponds to ₁₁ ~ A ₂₃ respectively.

Next, the write operation of the address register of this embodiment will be supplementarily described.

First, for the first image, addresses A _{11 to} A ₃₁ corresponding to S _{1 to} S ₃ are assigned to the image buffer memory according to the designation of the position designation mark. For the second image, addresses A _{12 to} A ₃₂ corresponding to the position designation mark detection signals S _{1 to} S ₃ are allocated to the memory as described above. Here, S _{1, which} is an attribute of the second image, indicates the vicinity of the end of the first image. If you enter a detection signal S ₃ indicating the start near the third position designation mark of the second image, the first clear the control register 79 is set, the position specification mark the attributes of the third image Controls the detection signals S _{1 to} S ₃ . That is, when the first clear control register 79 is on, the address is generated in response to the detection signal S ₁ of the first position designation mark of the attribute of the third image which indicates the end vicinity of the second image. A ₁₃ is set, and then the address is sent in response to the detection signal S ₂ of the second position designation mark of the attribute of the third image indicating the boundary between the second image and the third image. A ₂₃ is set. In response to this detection signal S ₂ , a second clear control register
80 is set, and the memory address register 61 and the address registers A ₁₁ and A ₂₁ are cleared. Final address A
The first data of the third image is stored in 1 word of ₂₃ , and the image data following the first data is allocated to the memory address register A ₂₁ +1, that is, the address after the first address. Hereinafter, the same continuous operation is performed, but when the film reading speed and the writing speed to the auxiliary storage such as an optical disk are compared, the latter is sufficiently faster than the former, so the third
It is sufficiently possible that the first image has already been stored in the auxiliary storage such as an optical disk when the image is allocated to the memory.

〔The invention's effect〕

As described above, the present invention, as image positioning,
By setting the position near the end of the previous image, the boundary position between images, and the position near the image start on the film, scanning in the longitudinal direction to detect the position mark, and continuously switching the memory allocation address of the image data. , The image data of the image printed on the film is read continuously, and for each frame,
There is an effect that it can be stored in an auxiliary storage device such as an optical disk.

[Brief description of drawings]

FIG. 1 is a block diagram of an embodiment of a roll film reading apparatus of the present invention, FIG. 2 is a view showing a position designation mark of a film read in FIG. 1, and FIG. 3 is an image reading in a sub-scanning direction in FIG. FIG. 4 is a diagram showing an output waveform of the mechanism 4, FIG. 4 is a diagram showing address allocation of the image buffer memory 7 in FIG. 1, and FIG.
The figure is a block diagram of the address control device 6 of FIG. 1 ... Roll film, 2 ... Roll film sending / receiving mechanism, 3 ... Main scanning direction image reading mechanism, 4 ... Sub scanning direction image reading mechanism, 5 ... Position designation mark detector, 6 ... Address control Device, 7 ... Image buffer memory, 8 ... Auxiliary storage device, 9 ... Buffer memory address register, 10-12 ... Continuous images on roll film, 13-21 ... Position designation mark, 22 ... Longitudinal direction Scanning line, 23 ... Central processing unit, 30,31 ... Output waveform of image data part, 31-34 ... Scanning line output waveform of position designation mark, 51-53 ... Continuous image on memory, 60 ... Image counter, 61 …… memory address register, 62 …… inverter, 63-70 …… and circuit, 71-78 …… address control register, 79,80 …… clear control register, 84,85 …… incrementer .

Claims (1)

[Claims] 1. A roll film reading device for reading image data of a long roll film having a plurality of images printed thereon and storing it in an auxiliary storage device, and a first position designation mark indicating the vicinity of the end of each image. , A second position designation mark indicating the boundary between adjacent images and a third position designation mark indicating the vicinity of the start of each image are formed at right angles to the longitudinal direction of the long roll film with the margins between the images. The main scanning direction image reading mechanism that scans the roll film to read the image data on the roll film, and scans the film surface along the position marked with the position designation mark in the longitudinal direction of the roll film. 2, third
Sub-scanning direction image reading mechanism for reading an image including the position designation mark, a buffer memory for storing image data of n (≧ 2) images, and writing the output of the main scanning direction image reading mechanism to the buffer memory A buffer memory address register that supplies an address for reading, a position designation mark detector that detects the first, second, and third position designation marks from the read output of the sub-scanning direction image reading mechanism, and a position designation mark detector Depending on the output detection signal, the first
~ A plurality of address registers holding an address corresponding to the memory address on the buffer memory of the third position designation mark, and a clear control for resetting the address registers after the image data of the n images are stored A roll film reading device having an address control device including a register and a central processing device for reading each image data from a buffer memory for each image according to an address of a position designation mark of the address control device and storing the image data in an auxiliary storage device. .