FR2178186B1 - - Google Patents

Info

Publication number
FR2178186B1
FR2178186B1 FR7311356A FR7311356A FR2178186B1 FR 2178186 B1 FR2178186 B1 FR 2178186B1 FR 7311356 A FR7311356 A FR 7311356A FR 7311356 A FR7311356 A FR 7311356A FR 2178186 B1 FR2178186 B1 FR 2178186B1
Authority
FR
France
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.)
Expired
Application number
FR7311356A
Other languages
French (fr)
Other versions
FR2178186A1 (ja
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of FR2178186A1 publication Critical patent/FR2178186A1/fr
Application granted granted Critical
Publication of FR2178186B1 publication Critical patent/FR2178186B1/fr
Expired 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0065—Recording, reproducing or erasing by using optical interference patterns, e.g. holograms
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
FR7311356A 1972-03-30 1973-03-29 Expired FR2178186B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722215746 DE2215746A1 (de) 1972-03-30 1972-03-30 Verfahren zum sequentiellen aufzeichnen und auslesen von daten auf einem speicherband

Publications (2)

Publication Number Publication Date
FR2178186A1 FR2178186A1 (ja) 1973-11-09
FR2178186B1 true FR2178186B1 (ja) 1977-02-04

Family

ID=5840736

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7311356A Expired FR2178186B1 (ja) 1972-03-30 1973-03-29

Country Status (9)

Country Link
JP (1) JPS4917253A (ja)
BE (1) BE797599A (ja)
CA (1) CA1025117A (ja)
DE (1) DE2215746A1 (ja)
FR (1) FR2178186B1 (ja)
GB (1) GB1421835A (ja)
IT (1) IT981647B (ja)
LU (1) LU67321A1 (ja)
NL (1) NL7302425A (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006015608A1 (de) * 2006-04-04 2007-10-18 Tesa Scribos Gmbh Verfahren und Vorrichtung zum Auslesen eines computergenerierten Hologramms

Also Published As

Publication number Publication date
JPS4917253A (ja) 1974-02-15
BE797599A (fr) 1973-07-16
FR2178186A1 (ja) 1973-11-09
DE2215746A1 (de) 1973-10-11
GB1421835A (en) 1976-01-21
NL7302425A (ja) 1973-10-02
IT981647B (it) 1974-10-10
LU67321A1 (ja) 1973-06-15
CA1025117A (en) 1978-01-24

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Legal Events

Date Code Title Description
ST Notification of lapse