JPS57123473A - Retrieving device - Google Patents

Retrieving device

Info

Publication number
JPS57123473A
JPS57123473A JP56009951A JP995181A JPS57123473A JP S57123473 A JPS57123473 A JP S57123473A JP 56009951 A JP56009951 A JP 56009951A JP 995181 A JP995181 A JP 995181A JP S57123473 A JPS57123473 A JP S57123473A
Authority
JP
Japan
Prior art keywords
film
reel
mark
marks
take
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.)
Granted
Application number
JP56009951A
Other languages
Japanese (ja)
Other versions
JPH0210984B2 (en
Inventor
Yoshio Ando
Kazuo Kashiwagi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Inc
Original Assignee
Canon Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Canon Inc filed Critical Canon Inc
Priority to JP56009951A priority Critical patent/JPS57123473A/en
Publication of JPS57123473A publication Critical patent/JPS57123473A/en
Publication of JPH0210984B2 publication Critical patent/JPH0210984B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/10—Projectors with built-in or built-on screen
    • G03B21/11—Projectors with built-in or built-on screen for microfilm reading
    • G03B21/111—Projectors with built-in or built-on screen for microfilm reading of roll films
    • G03B21/113—Handling roll films

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

PURPOSE:To ensure the correct retrieval, by detecting the marks on a film in sequence by means of at least three photoelectric transducers and then using various films having different shapes of marks. CONSTITUTION:A supply reel 1 and a take-up reel 10 are connected to a film stretching and take-up motor, and a capstan roller 8 is connected to a film drive motor. A microfilm F is strethced out between the reels 1 and 10 to be taken up to the reel 10 or to be rewound to the reel 1 by the drive of the roller 8. The photoelectric transducer provided in a mark detector 11 that detects finally the mark while the film F is fed so that the film is transported to the detecting position through the tip of the film. In this case, the mark detection signal is obtained by the combination of the signals delivered from each photoelectric transducer.
JP56009951A 1981-01-26 1981-01-26 Retrieving device Granted JPS57123473A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56009951A JPS57123473A (en) 1981-01-26 1981-01-26 Retrieving device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56009951A JPS57123473A (en) 1981-01-26 1981-01-26 Retrieving device

Publications (2)

Publication Number Publication Date
JPS57123473A true JPS57123473A (en) 1982-07-31
JPH0210984B2 JPH0210984B2 (en) 1990-03-12

Family

ID=11734274

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56009951A Granted JPS57123473A (en) 1981-01-26 1981-01-26 Retrieving device

Country Status (1)

Country Link
JP (1) JPS57123473A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5593140A (en) * 1979-01-09 1980-07-15 Canon Inc Retrieval apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5593140A (en) * 1979-01-09 1980-07-15 Canon Inc Retrieval apparatus

Also Published As

Publication number Publication date
JPH0210984B2 (en) 1990-03-12

Similar Documents

Publication Publication Date Title
JPS52134414A (en) Magnetic tape device
AU7116487A (en) Method and apparatus for detecting position of tape when recording or reproducing signals thereon
GB1527283A (en) Tape leaders for recording tapes
KR840005253A (en) Tape end detection device
GB1418339A (en) Tape transfer apparatus
JPS57123473A (en) Retrieving device
JPS56123888A (en) Ink ribbon device
JPS5628154A (en) Roll paper feeding apparatus
JPS57137258A (en) Winding-amount detection device for tape-shaped material
JPS5329618A (en) Paper tape rewinder
JPS57136633A (en) Recorder
FR2357978A1 (en) Tape recorder tape transfer control - has toothed wheels with detectors for each spool to provide tape position indication
JPS5332028A (en) Automatic setting device for film sensitivity
JPS5264958A (en) Tape position detecting system
JPS5322415A (en) Motor con trol device for camera able to record sound simultaneously
JPS5687273A (en) Automatic head leading device
JPS56111144A (en) Program search system for tape recorder
JPS5643156A (en) Operating method for winder
JPS5210720A (en) Tape residue notification device
JPS57131659A (en) Method and apparatus for stopping film
JPS5514519A (en) Magnetic tape drive unit
JPS5690455A (en) Magnetic tape device
JPS54136844A (en) Recorder
JPS54136842A (en) Recorder
JPS53100813A (en) Magnetic tape apparatus