JPS55106415A - Apparatus and process for plotting with high resolving power - Google Patents
Apparatus and process for plotting with high resolving powerInfo
- Publication number
- JPS55106415A JPS55106415A JP1310780A JP1310780A JPS55106415A JP S55106415 A JPS55106415 A JP S55106415A JP 1310780 A JP1310780 A JP 1310780A JP 1310780 A JP1310780 A JP 1310780A JP S55106415 A JPS55106415 A JP S55106415A
- Authority
- JP
- Japan
- Prior art keywords
- plotting
- resolving power
- high resolving
- power
- resolving
- 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.)
- Granted
Links
Classifications
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- 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
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/047—Detection, control or error compensation of scanning velocity or position
- H04N1/053—Detection, control or error compensation of scanning velocity or position in main scanning direction, e.g. synchronisation of line start or picture elements in a line
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
- G02B26/10—Scanning systems
- G02B26/12—Scanning systems using multifaceted mirrors
- G02B26/127—Adaptive control of the scanning light beam, e.g. using the feedback from one or more detectors
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/0025—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
- G02B27/0031—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration for scanning purposes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR 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
- G06K15/1204—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 involving the fast moving of an optical beam in the main scanning direction
- G06K15/1219—Detection, control or error compensation of scanning velocity or position, e.g. synchronisation
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- 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
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/113—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using oscillating or rotating mirrors
- H04N1/1135—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using oscillating or rotating mirrors for the main-scan 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
- H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
- H04N1/12—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using the sheet-feed movement or the medium-advance or the drum-rotation movement as the slow scanning component, e.g. arrangements for the main-scanning
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
- H04N2201/02406—Arrangements for positioning elements within a head
- H04N2201/02439—Positioning method
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
- H04N2201/028—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up
- H04N2201/03—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted
- H04N2201/031—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted deleted
- H04N2201/03104—Integral pick-up heads, i.e. self-contained heads whose basic elements are a light source, a lens and a photodetector supported by a single-piece frame
- H04N2201/03108—Components of integral heads
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/024—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted
- H04N2201/028—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up
- H04N2201/03—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted
- H04N2201/031—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof deleted for picture information pick-up deleted deleted
- H04N2201/03104—Integral pick-up heads, i.e. self-contained heads whose basic elements are a light source, a lens and a photodetector supported by a single-piece frame
- H04N2201/0315—Details of integral heads not otherwise provided for
- H04N2201/03158—Heat radiator
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04701—Detection of scanning velocity or position
- H04N2201/0471—Detection of scanning velocity or position using dedicated detectors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04701—Detection of scanning velocity or position
- H04N2201/04732—Detecting at infrequent intervals, e.g. once or twice per line for main-scan control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04701—Detection of scanning velocity or position
- H04N2201/04744—Detection of scanning velocity or position by detecting the scanned beam or a reference beam
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04753—Control or error compensation of scanning position or velocity
- H04N2201/04756—Control or error compensation of scanning position or velocity by controlling the position or movement of the sheet, the sheet support or the photoconductive surface
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04753—Control or error compensation of scanning position or velocity
- H04N2201/04758—Control or error compensation of scanning position or velocity by controlling the position of the scanned image area
- H04N2201/0476—Control or error compensation of scanning position or velocity by controlling the position of the scanned image area using an optical, electro-optical or acousto-optical element
- H04N2201/04765—Control or error compensation of scanning position or velocity by controlling the position of the scanned image area using an optical, electro-optical or acousto-optical element using a solid-state deflector, e.g. an acousto-optic deflector
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04753—Control or error compensation of scanning position or velocity
- H04N2201/04758—Control or error compensation of scanning position or velocity by controlling the position of the scanned image area
- H04N2201/04767—Control or error compensation of scanning position or velocity by controlling the position of the scanned image area by controlling the timing of the signals, e.g. by controlling the frequency o phase of the pixel clock
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04753—Control or error compensation of scanning position or velocity
- H04N2201/04789—Control or error compensation of scanning position or velocity in the main-scan direction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04753—Control or error compensation of scanning position or velocity
- H04N2201/04791—Control or error compensation of scanning position or velocity in the sub-scan direction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04753—Control or error compensation of scanning position or velocity
- H04N2201/04793—Control or error compensation of scanning position or velocity using stored control or compensation data, e.g. previously measured data
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/04—Scanning arrangements
- H04N2201/047—Detection, control or error compensation of scanning velocity or position
- H04N2201/04753—Control or error compensation of scanning position or velocity
- H04N2201/04794—Varying the control or compensation during the scan, e.g. using continuous feedback or from line to line
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Facsimile Scanning Arrangements (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Dot-Matrix Printers And Others (AREA)
- Laser Beam Printer (AREA)
- Exposure Or Original Feeding In Electrophotography (AREA)
- Combination Of More Than One Step In Electrophotography (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/010,797 US4257053A (en) | 1979-02-09 | 1979-02-09 | High-resolution laser plotter |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55106415A true JPS55106415A (en) | 1980-08-15 |
JPH0231366B2 JPH0231366B2 (US06818201-20041116-C00086.png) | 1990-07-12 |
Family
ID=21747475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1310780A Granted JPS55106415A (en) | 1979-02-09 | 1980-02-07 | Apparatus and process for plotting with high resolving power |
Country Status (9)
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0379398A (ja) * | 1989-08-22 | 1991-04-04 | Nec Corp | Ldプロッター |
Families Citing this family (55)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4408868A (en) * | 1980-04-11 | 1983-10-11 | Coulter Systems Corporation | Digital plate maker system and method |
EP0121593A3 (en) * | 1980-04-11 | 1984-11-28 | Coulter Systems Corporation | Optical system for imaging an electrophotographic member |
DE3046584C2 (de) * | 1980-12-11 | 1984-03-15 | Dr.-Ing. Rudolf Hell Gmbh, 2300 Kiel | Optisch-mechanischer Abtaster |
DE3318311A1 (de) * | 1983-05-19 | 1984-11-22 | Dr. Böger Photosatz GmbH, 2000 Wedel | Optische lichtfleck-abtastvorrichtung fuer ein photoempfindliches bahnmaterial bei optischen photosetzgeraeten |
GB2153182B (en) * | 1984-01-13 | 1988-06-22 | Ricoh Kk | Image recording method |
FR2559540B1 (fr) * | 1984-02-10 | 1986-07-04 | Gazel Anthoine G | Procede et dispositif pour le pilotage de la course de levage sur un mat ou une tour de forage |
JPS60221720A (ja) * | 1984-04-18 | 1985-11-06 | Fuji Photo Film Co Ltd | 光ビ−ム走査装置 |
US4814793A (en) * | 1986-04-22 | 1989-03-21 | Minolta Camera Kabushiki Kaisha | Film handling means for a laser recorder |
US4878067A (en) * | 1986-04-22 | 1989-10-31 | Minolta Camera Kabushiki Kaisha | Laser recorder with stable film feed auxiliary scanning |
DE3787504T2 (de) * | 1986-10-29 | 1994-05-11 | Dainippon Screen Mfg | Verfahren und Vorrichtung zur Korrektur des Zitterns eines Polygonspiegels in einem Bildaufzeichungsgerät. |
US4891653A (en) * | 1987-04-27 | 1990-01-02 | Minolta Camera Kabushiki Kaisha | Image recorder with microstep driven motor transport |
US4804611A (en) * | 1987-06-24 | 1989-02-14 | The Mead Corporation | Method for reducing short time-scale reciprocity failure effects of a microencapsulated acrylate system |
US4801194A (en) * | 1987-09-23 | 1989-01-31 | Eastman Kodak Company | Multiplexed array exposing system having equi-angular scan exposure regions |
US4833489A (en) * | 1987-12-30 | 1989-05-23 | Samsung Electronics Co., Ltd. | Electrical f·θ correction system in a laser printer |
DE68913588T2 (de) * | 1988-05-19 | 1994-06-30 | Canon Kk | Optische Abtastvorrichtung. |
JP2695866B2 (ja) * | 1988-10-05 | 1998-01-14 | 株式会社日立製作所 | 走査型画像記録装置 |
US4947039A (en) * | 1988-10-17 | 1990-08-07 | Eotron Corporation | Flat stationary field light beam scanning device |
US5283681A (en) * | 1989-04-28 | 1994-02-01 | Canon Kabushiki Kaisha | Scanning optical equipment |
DE3934565A1 (de) * | 1989-07-04 | 1991-04-18 | Microbox Dr Welp Gmbh & Co | Cad-mikrofilm-laserplotter |
DE4000166A1 (de) * | 1990-01-05 | 1991-07-11 | Hell Rudolf Dr Ing Gmbh | Verfahren und einrichtung zur korrektur von positionsfehlern eines abgelenkten lichtstrahls |
US5117243A (en) * | 1990-04-06 | 1992-05-26 | S&R Tech Development, Inc. | Scanner with electronic non-linearity compensation and method of processing image data |
JP2893133B2 (ja) * | 1990-08-16 | 1999-05-17 | キヤノン株式会社 | 画像形成装置 |
JP3067250B2 (ja) * | 1991-04-18 | 2000-07-17 | 株式会社日立製作所 | カラープリンタ |
JP2987647B2 (ja) * | 1991-04-19 | 1999-12-06 | 富士写真フイルム株式会社 | 画像情報記録方法 |
US5212570A (en) * | 1991-06-27 | 1993-05-18 | Xerox Corporation | Pixel clock phase locked loop for a laser scanner |
US5170215A (en) * | 1991-10-01 | 1992-12-08 | Output Technology Corporation | Electrophotographic printer with media speed control due to variance in fuser temperature |
US5442382A (en) * | 1991-10-01 | 1995-08-15 | Output Technology Corporation | Electrophotographic printer with media speed control |
US5248997A (en) * | 1991-10-28 | 1993-09-28 | Eastman Kodak Company | Facet reflectance correction in a polygon scanner |
US5489936A (en) * | 1992-11-03 | 1996-02-06 | Xerox Corporation | Fast scan spot correction in a polygon ROS using PWM |
US5751594A (en) * | 1993-03-16 | 1998-05-12 | Emc Corporation | Aperture control system for printed circuit board fabrication |
US5289251A (en) * | 1993-05-19 | 1994-02-22 | Xerox Corporation | Trail edge buckling sheet buffering system |
IL106952A (en) * | 1993-09-08 | 1996-03-31 | Scitex Corp Ltd | Laser marker |
US5402048A (en) * | 1993-12-27 | 1995-03-28 | Vernitron Corporation | Nodding scanner |
US6303986B1 (en) * | 1998-07-29 | 2001-10-16 | Silicon Light Machines | Method of and apparatus for sealing an hermetic lid to a semiconductor die |
US7046407B2 (en) * | 2000-02-14 | 2006-05-16 | 3M Innovative Properties Company | Diffractive color filter |
US7113231B2 (en) | 2000-02-14 | 2006-09-26 | 3M Innovative Properties Company | Dot-sequential color display system |
US7177081B2 (en) * | 2001-03-08 | 2007-02-13 | Silicon Light Machines Corporation | High contrast grating light valve type device |
US20030208753A1 (en) * | 2001-04-10 | 2003-11-06 | Silicon Light Machines | Method, system, and display apparatus for encrypted cinema |
US6865346B1 (en) | 2001-06-05 | 2005-03-08 | Silicon Light Machines Corporation | Fiber optic transceiver |
US6930364B2 (en) | 2001-09-13 | 2005-08-16 | Silicon Light Machines Corporation | Microelectronic mechanical system and methods |
US6692129B2 (en) * | 2001-11-30 | 2004-02-17 | Silicon Light Machines | Display apparatus including RGB color combiner and 1D light valve relay including schlieren filter |
US6839479B2 (en) * | 2002-05-29 | 2005-01-04 | Silicon Light Machines Corporation | Optical switch |
US7054515B1 (en) | 2002-05-30 | 2006-05-30 | Silicon Light Machines Corporation | Diffractive light modulator-based dynamic equalizer with integrated spectral monitor |
US6822797B1 (en) | 2002-05-31 | 2004-11-23 | Silicon Light Machines, Inc. | Light modulator structure for producing high-contrast operation using zero-order light |
US6813059B2 (en) * | 2002-06-28 | 2004-11-02 | Silicon Light Machines, Inc. | Reduced formation of asperities in contact micro-structures |
US6940536B2 (en) * | 2002-11-07 | 2005-09-06 | Xerox Corporation | System architecture for scan line non-linearity compensation in a ROS system |
US6987600B1 (en) | 2002-12-17 | 2006-01-17 | Silicon Light Machines Corporation | Arbitrary phase profile for better equalization in dynamic gain equalizer |
US6934070B1 (en) * | 2002-12-18 | 2005-08-23 | Silicon Light Machines Corporation | Chirped optical MEM device |
US7391973B1 (en) | 2003-02-28 | 2008-06-24 | Silicon Light Machines Corporation | Two-stage gain equalizer |
US6967718B1 (en) | 2003-02-28 | 2005-11-22 | Silicon Light Machines Corportion | Method and apparatus for monitoring WDM channels and for analyzing dispersed spectrum of light |
US7046420B1 (en) | 2003-02-28 | 2006-05-16 | Silicon Light Machines Corporation | MEM micro-structures and methods of making the same |
US7182463B2 (en) * | 2003-12-23 | 2007-02-27 | 3M Innovative Properties Company | Pixel-shifting projection lens assembly to provide optical interlacing for increased addressability |
US7492381B2 (en) * | 2005-12-21 | 2009-02-17 | Xerox Corporation | Compensation of MPA polygon once around with exposure modulation |
US8037736B2 (en) * | 2008-01-14 | 2011-10-18 | International Business Machines Corporation | Non-linearity determination of positioning scanner of measurement tool |
US8817058B2 (en) * | 2011-05-06 | 2014-08-26 | Lexmark International, Inc. | System and method for reducing scan line jitter in a laser scan unit for an imaging device |
Citations (1)
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---|---|---|---|---|
JPS5256944A (en) * | 1975-11-06 | 1977-05-10 | Canon Inc | Device for correcting position of beam |
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JPS5822726B2 (ja) * | 1975-01-28 | 1983-05-11 | キヤノン株式会社 | 記録方法 |
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JPS5190829A (US06818201-20041116-C00086.png) * | 1975-02-07 | 1976-08-09 | ||
GB1557159A (en) * | 1975-05-27 | 1979-12-05 | Hedgeland D R S | Optical scanning apparatus |
JPS5232330A (en) * | 1975-09-05 | 1977-03-11 | Canon Inc | Superposition recording device |
US3974507A (en) * | 1975-09-29 | 1976-08-10 | Bell Telephone Laboratories, Incorporated | Conversion of stripe-geometry junction laser emission to a spherical wavefront |
US4037231A (en) * | 1975-12-15 | 1977-07-19 | The Singer Company | Variable clock rate resonant printer with nonlinear correction |
JPS5492769A (en) * | 1977-12-30 | 1979-07-23 | Fujitsu Ltd | Correction method of scanning light modulation clock |
US4214157A (en) * | 1978-07-07 | 1980-07-22 | Pitney Bowes, Inc. | Apparatus and method for correcting imperfection in a polygon used for laser scanning |
-
1979
- 1979-02-09 US US06/010,797 patent/US4257053A/en not_active Expired - Lifetime
-
1980
- 1980-01-22 GB GB8002129A patent/GB2041580B/en not_active Expired
- 1980-01-24 IL IL59214A patent/IL59214A/xx unknown
- 1980-02-06 DE DE19803004355 patent/DE3004355A1/de not_active Withdrawn
- 1980-02-07 JP JP1310780A patent/JPS55106415A/ja active Granted
- 1980-02-08 FR FR8003098A patent/FR2449308A1/fr active Granted
-
1983
- 1983-08-11 SG SG49983A patent/SG49983G/en unknown
- 1983-12-01 HK HK640/83A patent/HK64083A/xx unknown
-
1984
- 1984-12-30 MY MY361/84A patent/MY8400361A/xx unknown
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5256944A (en) * | 1975-11-06 | 1977-05-10 | Canon Inc | Device for correcting position of beam |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0379398A (ja) * | 1989-08-22 | 1991-04-04 | Nec Corp | Ldプロッター |
Also Published As
Publication number | Publication date |
---|---|
DE3004355A1 (de) | 1980-08-21 |
GB2041580B (en) | 1983-03-09 |
IL59214A (en) | 1984-03-30 |
SG49983G (en) | 1984-07-27 |
FR2449308A1 (fr) | 1980-09-12 |
GB2041580A (en) | 1980-09-10 |
JPH0231366B2 (US06818201-20041116-C00086.png) | 1990-07-12 |
MY8400361A (en) | 1984-12-31 |
US4257053A (en) | 1981-03-17 |
FR2449308B1 (US06818201-20041116-C00086.png) | 1985-03-15 |
IL59214A0 (en) | 1980-05-30 |
HK64083A (en) | 1983-12-09 |
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