GB1385230A - Apparatus and method for reproducing stored information - Google Patents

Apparatus and method for reproducing stored information

Info

Publication number
GB1385230A
GB1385230A GB1509872A GB1509872A GB1385230A GB 1385230 A GB1385230 A GB 1385230A GB 1509872 A GB1509872 A GB 1509872A GB 1509872 A GB1509872 A GB 1509872A GB 1385230 A GB1385230 A GB 1385230A
Authority
GB
United Kingdom
Prior art keywords
output
frequencies
oscillators
acoustic
optic
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
GB1509872A
Other languages
English (en)
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of GB1385230A publication Critical patent/GB1385230A/en
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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/128—Modulators
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
    • G02F1/33—Acousto-optical deflection devices
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K15/00—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers
    • G06K15/02—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers
    • G06K15/12—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers
    • G06K15/1238—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers simultaneously exposing more than one point
    • G06K15/1257—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by photographic printing, e.g. by laser printers simultaneously exposing more than one point on more than one main scanning line
    • 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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Combination Of More Than One Step In Electrophotography (AREA)
  • Dot-Matrix Printers And Others (AREA)
  • Laser Beam Printer (AREA)
  • Fax Reproducing Arrangements (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
GB1509872A 1971-04-12 1972-03-30 Apparatus and method for reproducing stored information Expired GB1385230A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13295571A 1971-04-12 1971-04-12

Publications (1)

Publication Number Publication Date
GB1385230A true GB1385230A (en) 1975-02-26

Family

ID=22456342

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1509872A Expired GB1385230A (en) 1971-04-12 1972-03-30 Apparatus and method for reproducing stored information

Country Status (5)

Country Link
JP (1) JPS5439970B1 (enrdf_load_stackoverflow)
CA (1) CA1009296A (enrdf_load_stackoverflow)
DE (1) DE2217607C2 (enrdf_load_stackoverflow)
FR (1) FR2136309A5 (enrdf_load_stackoverflow)
GB (1) GB1385230A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2317576C2 (ru) * 2005-12-28 2008-02-20 Сергей Борисович Одиноков Портативный переносной проекционный аппарат чтения микрофиш

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HU175630B (hu) * 1976-12-15 1980-09-28 Mta Szamitastech Autom Kutato Lazernoe ustrojstvo dlja registracii dannykh i signalov
JPS5512976A (en) * 1978-07-14 1980-01-29 Mitsubishi Electric Corp Multi beam light modulation deflector
JPS5555312A (en) * 1978-10-20 1980-04-23 Ricoh Co Ltd Simultaneous multibeam light modulating system
JPS56143434A (en) * 1980-04-10 1981-11-09 Dainippon Screen Mfg Co Ltd Control method of light beam for recording in image scanning recorder
US4541712A (en) * 1981-12-21 1985-09-17 Tre Semiconductor Equipment Corporation Laser pattern generating system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3055258A (en) * 1951-08-22 1962-09-25 Hurvitz Hyman Bragg diffraction ultrasonic devices
US3154534A (en) * 1962-01-30 1964-10-27 Deering Milliken Res Corp Polyethyleneoxy azo fugitive tints
US3165045A (en) * 1962-04-05 1965-01-12 Itek Corp Data processing system
DE1255962B (de) * 1965-12-28 1967-12-07 Telefunken Patent Einrichtung zur Erzeugung punktgerasterter Schriftzeichen
US3571507A (en) * 1968-05-15 1971-03-16 Zenith Radio Corp Optical apparatus for developing display information signals of frequency multiplex character

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2317576C2 (ru) * 2005-12-28 2008-02-20 Сергей Борисович Одиноков Портативный переносной проекционный аппарат чтения микрофиш

Also Published As

Publication number Publication date
JPS5439970B1 (enrdf_load_stackoverflow) 1979-11-30
CA1009296A (en) 1977-04-26
DE2217607C2 (de) 1984-03-01
DE2217607A1 (de) 1972-10-19
FR2136309A5 (enrdf_load_stackoverflow) 1972-12-22

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee