JPS52151528A - Photograph film memory - Google Patents

Photograph film memory

Info

Publication number
JPS52151528A
JPS52151528A JP6918276A JP6918276A JPS52151528A JP S52151528 A JPS52151528 A JP S52151528A JP 6918276 A JP6918276 A JP 6918276A JP 6918276 A JP6918276 A JP 6918276A JP S52151528 A JPS52151528 A JP S52151528A
Authority
JP
Japan
Prior art keywords
film memory
photograph film
recording
mark
photograph
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
Application number
JP6918276A
Other languages
Japanese (ja)
Inventor
Shigeyoshi Nakano
Takaaki Uno
Chuji Suzuki
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Priority to JP6918276A priority Critical patent/JPS52151528A/en
Publication of JPS52151528A publication Critical patent/JPS52151528A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
    • G11B7/0033—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with cards or other card-like flat carriers, e.g. flat sheets of optical film

Landscapes

  • Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
  • Dot-Matrix Printers And Others (AREA)

Abstract

PURPOSE:To attain the simplification of recording, solving the question of setting the position between the mutual character information, by using the wide mark for the signal ''presence'' and the narrow mark for ''absence'' by the digital system regarding the recording to the film.
JP6918276A 1976-06-11 1976-06-11 Photograph film memory Pending JPS52151528A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6918276A JPS52151528A (en) 1976-06-11 1976-06-11 Photograph film memory

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6918276A JPS52151528A (en) 1976-06-11 1976-06-11 Photograph film memory

Publications (1)

Publication Number Publication Date
JPS52151528A true JPS52151528A (en) 1977-12-16

Family

ID=13395314

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6918276A Pending JPS52151528A (en) 1976-06-11 1976-06-11 Photograph film memory

Country Status (1)

Country Link
JP (1) JPS52151528A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992007356A1 (en) * 1990-10-16 1992-04-30 Beni Primov Apparatus and method for writing and reading digital information

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992007356A1 (en) * 1990-10-16 1992-04-30 Beni Primov Apparatus and method for writing and reading digital information

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