JPS63172373A - Microfilm retrieving device - Google Patents

Abstract

PURPOSE:To improve microfilm retrieving capacity with simple constitution by using a means which holds a memory card storing retrieving information in a loadable/unloadable way and a means which reads stored information out of the memory card. CONSTITUTION:A cartridge 11 is attached at a prescribed position of a retrieving part and a memory card 17 corresponding to a microfilm stored in the cartridge 11 is set at a prescribed card receiving part through a card slit 16. Then a reader 40 reads the contents stored in the card 17 and sends this information to a control part 43. When a starting command is received for a retrieving job, after the input of the retrieving information on images to be retrieved, the part 43 reads successively the retrieving information on the card 17 and then reads the physical address of a frame containing desired retrieving information. The microfilm is fed and mark detecting signals outputted from a mark detector 14 are counted by a counting circuit of the part 43. Then the feed of the microfilm is stopped when the count value of said detecting signals is coincident with the read physical address.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a microfilm retrieval device for retrieving a desired image by counting the marks on the microfilm that match the image and the marks attached to the image.

[Prior art] In printers such as reader printers, microphones [To search for image frames on one film, a mark is attached to the side of each image frame of the film with a different density than the surrounding area, and this mark is used while the film is being moved. is detected and counted by the counting section,
A microfilm retrieval device is known that searches for a desired image by stopping the film when the counted value matches the frame number of the desired image, and projects this image onto a screen.

A system has emerged that connects this type of automatic microfilm retrieval device to an external computer, increases the retrieval ability of automatic microfilm retrieval, and searches for information on the human world (-2).

However, conventional automatic search systems require a large-capacity information storage device for a computer having a database, which has the drawback of making the device large and expensive.

[Object 1 of the Invention] This invention has been made in view of the above-mentioned circumstances, and an object of the present invention is to provide a microfilm retrieval device that can improve the retrieval ability of the automatic microfilm retrieval device.

[Means for Solving the Problem] The present invention provides a microfilm search device that searches for a desired image by counting the marks on the microfilm that correspond to one image and the marks attached to this image information. The present invention is characterized by comprising a card holding part that removably holds a memory card storing information, and a reading means for reading the stored information of the memory card held in the card holding part.

[Example] The present invention will be explained below with reference to embodiments shown in the drawings.

FIG. 1 shows a microfilm reader printer having an information retrieval device to which the present invention is applied.
It is composed of a printer part P and a search part S.

The Rita part R displays the microfilm image on the screen.
It has an optical system (not shown) that projects onto O, and part of the printer P
The system includes an optical system (not shown) that projects an image on a microfilm onto a photoreceptor (not shown), and a known electrophotographic image forming system that develops the image on the photoreceptor and transfers it to a copy sheet.
41 steps.

The search section S includes a cartridge receiving section 12 that removably holds a cartridge 11 storing microfilm in a roll, and a cartridge receiving section 12 that transfers the microfilm in the cartridge held by the cartridge receiving section to a take-up reel 13. It has a film transport mechanism for transporting the microfilm, a mark detector 14 for detecting marks on the microfilm, and a keyboard 15 for inputting search information and the like.

Reference numeral 16 indicates card insertion of a card receiving section which removably holds a memory card 17, which will be described later. 1. The memory card 17 storing search information for the film to be used is inserted into the card receiving section from the card insertion slot 16.

FIG. 2 shows an outline of the search section S, which uses a cartridge containing a microfilm F. 22 is a capstan roller for sending out the microfilm F1 in the cartridge 11, Ml is a capstan roller 22
, M2 is a motor for not rewinding the film onto the film reel in the cartridge, SQL 1 is a solenoid that brings the capstan roller 22 into contact with the microfilm F via the support arm 23, and 24 is the support arm 23. A spring for moving the plunger 23a and the capstan roller 22 to separate the capstan roller 22 from the microfilm, 5QL2 is a brake solenoid for the film rewinding motor M2, and this brake solenoid 5OL2
When the brake solenoid 5OL2 is not operating, the feed spool motor M2 is rotatable, and when the brake solenoid 5OL2 is operating, the brake plate 25 fixed to the motor shaft is sucked and the spool motor M is rotated.
Prevent rotation of 2.

26 and 27 are film guide rollers, M3 is a film winding motor for driving the take-up reel 13, and 5
OL3 is a brake solenoid for the motor M3.

Further, a guide plate (not shown) is provided for guiding the film along the film feeding path between the cartridge 11 and the take-up reel 13.

32 is a lamp for illuminating the microfilm F, 33 is a condenser lens, and 34 is a projection lens for enlarging and projecting the image of the film F illuminated by the lamp 32 onto the screen 10 or a photoreceptor.

The mark detectors 14 include a first mark detector 14a that detects marks attached to the lower side of the film, and a second mark detector 14b that detects marks attached to the upper side of the film.
Consisted of. Each mark detector 14a, 14b has a photoelectric conversion element that detects the presence or absence of a mark, and
When transported, the light beam from the lamp 14 is interrupted by the mark m, thereby emitting a mark detector -);
This mark detection signal is counted by 11a. The i1 details of the mark-based search device are well known and will therefore be omitted.

When the frame number of the desired frame is input into the input device of the search device described in ``-, the motor Ml rotates and the solenoid S
When QL1 is activated, the capstan roller 22 contacts the microfilm F1 coming out of the cartridge 11, and the microfilm F is pulled out from the cartridge 11, and its tip is conveyed toward the take-up reel 13. . When the tip of the microfilm approaches the take-up reel 13, the take-up motor M3 rotates, and when the tip of the microfilm or the take-up reel 13 is wound and auto-loading is completed, the motor M1 and solenoid 5OLI become inactive, or the micro Film F is take-up reel 1
Continuously conveyed by rotation No. 3.

While the microfilm is being transported, the number of marks m1 detected by the mark detector 14 is counted by a twenty-one counter and compared with the frame number of the desired image. Noite 5OL3 is activated and winding shaft 3
1, l++l SOL 2 also brakes the axis of motor M2 to stop the inertial rotation of the feed spool, the film transport is stopped, and the frame image of the specified number is projected onto the screen via the projection lens. Ru.

FIG. 3 shows a block diagram of the search control circuit.
41 is a reader for reading the information stored in the memory card 17 held in the card receiving section; 41 is a motor drive control circuit that controls the drive of the film transport motor and brake mechanism;
42 is a display, and 43 is a control unit having a microcomputer, a central processing unit, and a ROM.

It is equipped with RAM, input/output boards, etc.

A mark detection signal from the mark detector 14 , search information from the memory card read by the reader 40 , and a command signal from the keyboard 15 are each input to the control unit 43 , and the signal is sent to the motor drive control circuit 41 . the necessary control signals,
Print control signal for printer part P, display 42
Outputs a display drive signal to.

As the memory card 17, an IC card with a tC chip mounted inside a card base material, a magnetic card with a magnetic material coated on the surface of the card base material, etc. are used. Various card shapes can be used, such as a rectangular card, a floppy disk, and a disk-shaped card such as a magneto-optical disk.

This memory card 17 stores search information corresponding to each image on the film.

FIG. 4 shows an example of a memory card, and the C area of the memory card 17 stores information specific to the cartridge. For example, the title of the cartridge, the shape and type of mark on the film, the date and time the card was last used, etc. are written on it. Further, the physical address (for example, frame number) of each frame image on the film is stored in area B of the card 17, and the search information corresponding to each frame is stored in area C. As this search information, for example, file name, page name, keyword, photography [1 o'clock], photography magnification, image density, etc. are written. For example, if you photograph Tokuko 1 Publication on film, write the file name as the publication number and the keyword as the applicant's name in area C.
Q. This memory card is provided corresponding to each film or cartridge.

Note that one common memory card may be provided for a plurality of films.

FIG. 5 is a flow diagram of the operation.

Next, the operation of this embodiment will be explained. The cartridge 11 is attached to a predetermined position in the search section, and the memory card 17 corresponding to the microfilm in the cartridge 11 is set into a predetermined card receiving section from the card insertion slot 16. When the memory card 17 is set in a predetermined position, the reader 40 detects the card 17, reads the information stored on the card, and sends the read information to the control section 43. Control unit 43
displays the information read from area C of the memory card on the display 42.
Display above. Based on the displayed information, the user confirms the contents of the cartridge inserted into the device I, and performs settings, etc. of the search device.

Next, when inputting the search part %l (for example, public notice number) of the image to be searched into the keychain 15 and instructing the start of the search, the control unit 43 sequentially reads the search information in the C area of the memory card and applies the input search information to the search information. Find the corresponding search information,
Read the physical address of the piece that has the desired search information.

Next, the film is transported to search for a frame with this physical address, and while the film is transported, the mark detection signal output from the mark detector 14 is counted by the counting circuit of the control section 43, and this counted value and the read physical address are counted. Stops the film when a match occurs. When the film stops, the desired frame corresponding to the input search information is placed at the projection position, and the image of this frame is displayed on the screen.

By displaying the photographing date and time and the final search [1 o'clock] on the display 42 at the time when the image frame is searched, for example, it is possible to prompt the user to confirm whether there were any errors in the search. Regarding the photographing magnification, it is displayed on the display when the image is searched, and the user can select the appropriate projection lens by looking at the display, or the reader printer R-P can be controlled by the control unit. It is now possible to automatically set the magnification of the zoom lens.

In addition, if the density information of each image is stored in the memory card, the control unit 43 calculates an appropriate lamp voltage, etc. based on the corresponding image density to perform automatic density adjustment of the reader printer. Ill become Noh.

[Effects of the Invention] As described above, according to the present invention, it is possible to improve the search ability in a practical manner, and there is no need to connect to an external computer or provide a large-capacity recording device. is big.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of a microfilm reader to which the present invention is applied, Fig. 2 is a schematic perspective view of a search section, Fig. 3 is a block diagram of the search section, Fig. 4 is an explanatory diagram of a memory card, and Fig. 4 is an explanatory diagram of a memory card. 5
The figure is a flow diagram of the operation. lO... Screen 11... Cartridge 15... Keyboard 17... Memory card

Claims (1)

[Claims] (1) In a microfilm retrieval device that searches for a desired image by counting the marks on a microfilm that has an image and a mark attached to the image, a memory card storing search information is removably held. A microfilm retrieval device comprising a card holder and a reading means for reading information stored in a memory card held in the card holder.