JPS56162175A - Automatic retrieving machine for roll-shaped microfilm - Google Patents
Automatic retrieving machine for roll-shaped microfilmInfo
- Publication number
- JPS56162175A JPS56162175A JP6629080A JP6629080A JPS56162175A JP S56162175 A JPS56162175 A JP S56162175A JP 6629080 A JP6629080 A JP 6629080A JP 6629080 A JP6629080 A JP 6629080A JP S56162175 A JPS56162175 A JP S56162175A
- Authority
- JP
- Japan
- Prior art keywords
- film
- basis
- driving
- information
- control part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K17/00—Methods or arrangements for effecting co-operative working between equipments covered by two or more of main groups G06K1/00 - G06K15/00, e.g. automatic card files incorporating conveying and reading operations
- G06K17/0016—Selecting or retrieving of images by means of their associated code-marks, e.g. coded microfilm or microfiche
- G06K17/0019—Selecting or retrieving of images by means of their associated code-marks, e.g. coded microfilm or microfiche for images on filmstrips
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
PURPOSE:To eliminate completely movement and distortion at the running time generated in a film driving system to prevent malfunctions, by obtaining a maximum curve of the film driving speed on a basis of the film length obtained from the difference between the current position and the retrieval position of the film to be retrieved. CONSTITUTION:Information of a frame position to be retrieved of a microfilm 3 set to an operating part (a) is supplied to a control part (b), and information to be displayed on a numeric display equipment of the operating part (a) is given from the control part (b). This control part (b) consists of a microcomputer, etc., and an optimum curve of the driving speed of the film 3 is operated on a basis of retrieval position information from the operating part (a) and the current position of the film 3 from an optical detecting part (c) which detects the driving state of the film 3. On a basis of this operation result, brakes 21 and 22 of driving shafts 19, 20, 15 and 16 provided between spools 23 and 24 and a stepping motor 11 which drive the film 3 are controlled to prevent completely movement and distortion at the running time generated in the film driving system.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6629080A JPS56162175A (en) | 1980-05-19 | 1980-05-19 | Automatic retrieving machine for roll-shaped microfilm |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6629080A JPS56162175A (en) | 1980-05-19 | 1980-05-19 | Automatic retrieving machine for roll-shaped microfilm |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56162175A true JPS56162175A (en) | 1981-12-12 |
Family
ID=13311538
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6629080A Pending JPS56162175A (en) | 1980-05-19 | 1980-05-19 | Automatic retrieving machine for roll-shaped microfilm |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56162175A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01246669A (en) * | 1988-03-29 | 1989-10-02 | Canon Inc | Information retrieving device |
JPH02278372A (en) * | 1989-04-19 | 1990-11-14 | Fuji Photo Film Co Ltd | Microfilm retrieving device |
JPH0533144U (en) * | 1991-10-08 | 1993-04-30 | 有限会社マツクス | Film image projection device |
-
1980
- 1980-05-19 JP JP6629080A patent/JPS56162175A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01246669A (en) * | 1988-03-29 | 1989-10-02 | Canon Inc | Information retrieving device |
JPH0578866B2 (en) * | 1988-03-29 | 1993-10-29 | Canon Kk | |
JPH02278372A (en) * | 1989-04-19 | 1990-11-14 | Fuji Photo Film Co Ltd | Microfilm retrieving device |
JPH0533144U (en) * | 1991-10-08 | 1993-04-30 | 有限会社マツクス | Film image projection device |
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