GB1406715A - Optical data store read-out devices - Google Patents

Optical data store read-out devices

Info

Publication number
GB1406715A
GB1406715A GB4330772A GB4330772A GB1406715A GB 1406715 A GB1406715 A GB 1406715A GB 4330772 A GB4330772 A GB 4330772A GB 4330772 A GB4330772 A GB 4330772A GB 1406715 A GB1406715 A GB 1406715A
Authority
GB
United Kingdom
Prior art keywords
detector
read
light
frequency
areas
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.)
Expired
Application number
GB4330772A
Other languages
English (en)
Inventor
H Kiemle
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 Corp
Original Assignee
Siemens 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 Siemens Corp filed Critical Siemens Corp
Publication of GB1406715A publication Critical patent/GB1406715A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/88—Image or video recognition using optical means, e.g. reference filters, holographic masks, frequency domain filters or spatial domain filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
GB4330772A 1971-09-27 1972-09-19 Optical data store read-out devices Expired GB1406715A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19712148173 DE2148173B1 (de) 1971-09-27 1971-09-27 Anordnung zum optischen auslesen von informationen

Publications (1)

Publication Number Publication Date
GB1406715A true GB1406715A (en) 1975-09-17

Family

ID=5820672

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4330772A Expired GB1406715A (en) 1971-09-27 1972-09-19 Optical data store read-out devices

Country Status (12)

Country Link
US (1) US3868658A (OSRAM)
JP (1) JPS4843354A (OSRAM)
BE (1) BE789351A (OSRAM)
CA (1) CA974390A (OSRAM)
CH (1) CH554583A (OSRAM)
DE (1) DE2148173B1 (OSRAM)
FR (1) FR2155305A5 (OSRAM)
GB (1) GB1406715A (OSRAM)
IT (1) IT967860B (OSRAM)
LU (1) LU66148A1 (OSRAM)
NL (1) NL7212954A (OSRAM)
SE (1) SE377215B (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2649225A1 (fr) * 1989-07-03 1991-01-04 Centre Nat Rech Scient Procede d'acquisition de donnees bidimensionnelles par un systeme informatique

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3947630A (en) * 1973-08-20 1976-03-30 Massachusetts Institute Of Technology Imaging devices
US4195221A (en) * 1978-07-03 1980-03-25 The United States Of America As Represented By The Secretary Of The Navy Scanning focused local oscillator optical heterodyne imaging system
US4417813A (en) * 1981-09-11 1983-11-29 General Dynamics Corporation/Convair Div. Non-scanned heterodyne imaging sensor
US4498156A (en) * 1981-09-24 1985-02-05 Rockwell International Corporation Electrochromic nonvolatile memory device
US5184322A (en) * 1990-01-29 1993-02-02 Nathan Okun Optical storage device with a stationary mass storage medium
US5696796A (en) * 1995-06-07 1997-12-09 Comsat Corporation Continuously variable if sampling method for digital data transmission
DE19801470A1 (de) * 1998-01-16 1999-07-22 Thilo Weitzel Vorrichtung und Verfahren zur optischen Aufnahme, Speicherung und Wiedergabe von Informationen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2896086A (en) * 1957-07-01 1959-07-21 Hewlett Packard Co Attenuator network
US3432675A (en) * 1965-09-15 1969-03-11 S Kingsley Roby Optical programming with crossed light guides
US3651498A (en) * 1970-03-02 1972-03-21 Ibm Holographic storage and retrieval system
US3706080A (en) * 1971-06-01 1972-12-12 Honeywell Inc Holographic optical memory having pivot lens apparatus
US3767285A (en) * 1972-07-28 1973-10-23 Rca Corp Enhanced readout of stored holograms

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2649225A1 (fr) * 1989-07-03 1991-01-04 Centre Nat Rech Scient Procede d'acquisition de donnees bidimensionnelles par un systeme informatique

Also Published As

Publication number Publication date
CA974390A (en) 1975-09-16
JPS4843354A (OSRAM) 1973-06-22
DE2148173A1 (OSRAM) 1973-02-01
FR2155305A5 (OSRAM) 1973-05-18
US3868658A (en) 1975-02-25
BE789351A (fr) 1973-01-15
NL7212954A (OSRAM) 1973-03-29
LU66148A1 (OSRAM) 1973-01-17
IT967860B (it) 1974-03-11
DE2148173B1 (de) 1973-02-01
SE377215B (OSRAM) 1975-06-23
CH554583A (de) 1974-09-30

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees