JPH0521215B2 - - Google Patents

Info

Publication number
JPH0521215B2
JPH0521215B2 JP58067713A JP6771383A JPH0521215B2 JP H0521215 B2 JPH0521215 B2 JP H0521215B2 JP 58067713 A JP58067713 A JP 58067713A JP 6771383 A JP6771383 A JP 6771383A JP H0521215 B2 JPH0521215 B2 JP H0521215B2
Authority
JP
Japan
Prior art keywords
medium
heating element
light source
light
point
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 - Lifetime
Application number
JP58067713A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59193431A (ja
Inventor
Masayuki Suzuki
Takeshi Baba
Kazuhiko Matsuoka
Masayuki Usui
Kazuo Minora
Atsushi Someya
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP58067713A priority Critical patent/JPS59193431A/ja
Publication of JPS59193431A publication Critical patent/JPS59193431A/ja
Priority to US07/144,643 priority patent/US4872743A/en
Publication of JPH0521215B2 publication Critical patent/JPH0521215B2/ja
Granted 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
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/12—Fluid-filled or evacuated lenses
    • G02B3/14—Fluid-filled or evacuated lenses of variable focal length
    • 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
    • G02F1/01—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 intensity, phase, polarisation or colour 
    • G02F1/0147—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 intensity, phase, polarisation or colour  based on thermo-optic effects
    • 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
    • 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
    • G06K15/028—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by thermal printers
    • G06K15/029—Arrangements for producing a permanent visual presentation of the output data, e.g. computer output printers using printers by thermal printers using optical beams
    • 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
    • G06K15/1242—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 one main scanning line
    • G06K15/1252—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 one main scanning line using an array of light modulators, e.g. a linear array
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/024—Details of scanning heads ; Means for illuminating the original
    • H04N1/028—Details of scanning heads ; Means for illuminating the original for picture information pick-up
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Focusing (AREA)
  • Automatic Focus Adjustment (AREA)
JP58067713A 1983-04-18 1983-04-19 熱光学素子及び該素子を備える光源装置 Granted JPS59193431A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP58067713A JPS59193431A (ja) 1983-04-19 1983-04-19 熱光学素子及び該素子を備える光源装置
US07/144,643 US4872743A (en) 1983-04-18 1988-01-11 Varifocal optical element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58067713A JPS59193431A (ja) 1983-04-19 1983-04-19 熱光学素子及び該素子を備える光源装置

Publications (2)

Publication Number Publication Date
JPS59193431A JPS59193431A (ja) 1984-11-02
JPH0521215B2 true JPH0521215B2 (enrdf_load_stackoverflow) 1993-03-23

Family

ID=13352871

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58067713A Granted JPS59193431A (ja) 1983-04-18 1983-04-19 熱光学素子及び該素子を備える光源装置

Country Status (1)

Country Link
JP (1) JPS59193431A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6171108A (ja) * 1984-09-14 1986-04-12 Kobe Steel Ltd 化学エツチング用アルミニウムおよびアルミニウム合金板
JPS62501315A (ja) * 1984-12-03 1987-05-21 ヒユ−ズ・エアクラフト・カンパニ− 改善された可変レンズ及び連続操作のための複屈折補償装置
DE3582795D1 (de) * 1984-12-03 1991-06-13 Hughes Aircraft Co Variabler linsen- und doppelbrechungskompensator fuer kontinuierlichen betrieb.
US4848881A (en) * 1984-12-03 1989-07-18 Hughes Aircraft Company Variable lens and birefringence compensator
EP3722843A1 (en) * 2019-04-11 2020-10-14 Fundació Institut de Ciències Fotòniques A computer-implemented method of generating an optimized design of a thermally modulated optical device, and thermally modulated optical devices

Also Published As

Publication number Publication date
JPS59193431A (ja) 1984-11-02

Similar Documents

Publication Publication Date Title
US4064205A (en) Method for making a printing plate from a porous substrate
US5745153A (en) Optical means for using diode laser arrays in laser multibeam printers and recorders
US20050018269A1 (en) Optical system
JPH0521215B2 (enrdf_load_stackoverflow)
US20010012045A1 (en) Thermal recording system and method therefor
AU627897B2 (en) Imaging recorder
JP2922113B2 (ja) 画像記録装置
EP0672969B1 (en) Image forming method and apparatus
JP4193950B2 (ja) ラインスキャナまたはラインプリンタ用光学システム
EP0941860B1 (en) Laser beam image recording apparatus
JPH0632922A (ja) 光透過材料の高エネルギー光を用いた加工方法
US20050036029A1 (en) Imaging head with laser diode array and a beam-shaping micro light-pipe array
JPS63271301A (ja) 光シヤツタアレイ用光源
JPS6345592B2 (enrdf_load_stackoverflow)
NO20000271D0 (no) Sensorelement for lysstyrke samt fremgangsmåte og innretning for modulering av lysstråle som benytter et slikt sensorelement
US4865426A (en) Variable aberration imaging optical system
JPH0616142B2 (ja) レンズ形成装置
JP2019152820A (ja) レーザユニットおよびレーザマーカおよびレーザ印字システム
JPS62277783A (ja) レ−ザ光源装置
JPS6079317A (ja) 可変焦点距離光学装置
JPH0557699B2 (enrdf_load_stackoverflow)
JP2001010106A (ja) 記録ヘッド
EP0554433A1 (en) Image forming apparatus using high numerical aperture lens and optical fiber
JPS63143520A (ja) 複写装置
JPS636516A (ja) 光書込み装置