JPS51151504A - Entry and reading method in lightr memory unit - Google Patents

Entry and reading method in lightr memory unit

Info

Publication number
JPS51151504A
JPS51151504A JP50075322A JP7532275A JPS51151504A JP S51151504 A JPS51151504 A JP S51151504A JP 50075322 A JP50075322 A JP 50075322A JP 7532275 A JP7532275 A JP 7532275A JP S51151504 A JPS51151504 A JP S51151504A
Authority
JP
Japan
Prior art keywords
entry
memory unit
lightr
reading method
reading
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
JP50075322A
Other languages
Japanese (ja)
Inventor
Masahiro Oura
Takashi Nakajima
Mikio Matsuzaki
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.)
TDK Corp
Original Assignee
TDK 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 TDK Corp filed Critical TDK Corp
Priority to JP50075322A priority Critical patent/JPS51151504A/en
Publication of JPS51151504A publication Critical patent/JPS51151504A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: New method in the light memory unit utilizes an identical light source for both entry and reading of the information.
COPYRIGHT: (C)1976,JPO&Japio
JP50075322A 1975-06-20 1975-06-20 Entry and reading method in lightr memory unit Pending JPS51151504A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50075322A JPS51151504A (en) 1975-06-20 1975-06-20 Entry and reading method in lightr memory unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50075322A JPS51151504A (en) 1975-06-20 1975-06-20 Entry and reading method in lightr memory unit

Publications (1)

Publication Number Publication Date
JPS51151504A true JPS51151504A (en) 1976-12-27

Family

ID=13572897

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50075322A Pending JPS51151504A (en) 1975-06-20 1975-06-20 Entry and reading method in lightr memory unit

Country Status (1)

Country Link
JP (1) JPS51151504A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54102832A (en) * 1977-10-20 1979-08-13 Interlock Sicherheitssyst Photoelectric reader for reading information on informating bearing material
JPS57142078A (en) * 1981-02-27 1982-09-02 Hitachi Denshi Ltd Television pickup recorder
JPH0628696A (en) * 1993-06-28 1994-02-04 Hitachi Ltd Information recording method

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49123748A (en) * 1973-03-26 1974-11-27

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49123748A (en) * 1973-03-26 1974-11-27

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54102832A (en) * 1977-10-20 1979-08-13 Interlock Sicherheitssyst Photoelectric reader for reading information on informating bearing material
JPS57142078A (en) * 1981-02-27 1982-09-02 Hitachi Denshi Ltd Television pickup recorder
JPH0628696A (en) * 1993-06-28 1994-02-04 Hitachi Ltd Information recording method

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