FR2268414A1 - Signal correction for non-linear motion - compensating ccts. correct non-linear velocity of photodiode sensing head in file reading - Google Patents

Signal correction for non-linear motion - compensating ccts. correct non-linear velocity of photodiode sensing head in file reading

Info

Publication number
FR2268414A1
FR2268414A1 FR7511819A FR7511819A FR2268414A1 FR 2268414 A1 FR2268414 A1 FR 2268414A1 FR 7511819 A FR7511819 A FR 7511819A FR 7511819 A FR7511819 A FR 7511819A FR 2268414 A1 FR2268414 A1 FR 2268414A1
Authority
FR
France
Prior art keywords
carriage
velocity
ccts
compensating
linear
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.)
Withdrawn
Application number
FR7511819A
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.)
Optical Scanning Corp
Original Assignee
Optical Scanning 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 Optical Scanning Corp filed Critical Optical Scanning Corp
Publication of FR2268414A1 publication Critical patent/FR2268414A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
    • G06G7/163—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division using a variable impedance controlled by one of the input signals, variable amplification or transfer function
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • 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
    • H04N1/40—Picture signal circuits
    • H04N1/401—Compensating positionally unequal response of the pick-up or reproducing head

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Power Engineering (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • Signal Processing (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Image Input (AREA)
FR7511819A 1974-04-17 1975-04-16 Signal correction for non-linear motion - compensating ccts. correct non-linear velocity of photodiode sensing head in file reading Withdrawn FR2268414A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US46172474A 1974-04-17 1974-04-17

Publications (1)

Publication Number Publication Date
FR2268414A1 true FR2268414A1 (en) 1975-11-14

Family

ID=23833696

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7511819A Withdrawn FR2268414A1 (en) 1974-04-17 1975-04-16 Signal correction for non-linear motion - compensating ccts. correct non-linear velocity of photodiode sensing head in file reading

Country Status (3)

Country Link
JP (1) JPS50146227A (fr)
DE (1) DE2516961A1 (fr)
FR (1) FR2268414A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0174659A2 (fr) * 1984-09-12 1986-03-19 Fuji Photo Film Co., Ltd. Appareil de lecture avec des moyens pour la compensation des fluctations de la vitesse de balayage et méthode d'ajustement du coefficient de correction

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53146522A (en) * 1977-05-16 1978-12-20 Ricoh Co Ltd Telautogram information extracting system
JPS5580954A (en) * 1978-12-14 1980-06-18 Ricoh Co Ltd Picture information process system
US4419675A (en) 1979-05-24 1983-12-06 American Hoechst Corporation Imaging system and method for printed circuit artwork and the like
DE3050985C3 (de) * 1979-05-24 1994-10-20 Gerber Scientific Instr Co Bilderzeugungsvorrichtung
US4307409A (en) * 1980-05-27 1981-12-22 Sperry Corporation Multi-aperture, feedback system for a laser scanner
DE3022103C2 (de) * 1980-06-12 1986-04-03 Universal Maschinenfabrik Dr. Rudolf Schieber GmbH & Co KG, 7081 Westhausen Vorrichtung zum optischen Abtasten einer mehrfarbigen Mustervorlage zwecks Erstellung des Musterprogramms für eine Flachstrickmaschine
US4920429A (en) * 1989-01-24 1990-04-24 International Business Machines Exposure compensation for a line scan camera
DE19956467A1 (de) * 1999-11-24 2001-06-07 Wincor Nixdorf Gmbh & Co Kg Verfahren, Datenverarbeitungsanlage und Programm zum Korrigieren von Abtastfehlern sowie zugehöriges Texterkennungssystem

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0174659A2 (fr) * 1984-09-12 1986-03-19 Fuji Photo Film Co., Ltd. Appareil de lecture avec des moyens pour la compensation des fluctations de la vitesse de balayage et méthode d'ajustement du coefficient de correction
EP0174659A3 (en) * 1984-09-12 1988-08-17 Fuji Photo Film Co., Ltd. Scanning read-out apparatus with scanning speed fluctuation compensating means and correction coefficient adjusting method

Also Published As

Publication number Publication date
JPS50146227A (fr) 1975-11-22
DE2516961A1 (de) 1975-10-30

Similar Documents

Publication Publication Date Title
FR2423927B1 (fr) Dispositif de correction d'erreur, notamment de signaux numeriques enregistres
ES8102395A1 (es) Un aparato para explorar opticamente un soporte de registro
FR2268414A1 (en) Signal correction for non-linear motion - compensating ccts. correct non-linear velocity of photodiode sensing head in file reading
ES8201337A1 (es) Un soporte de registro perfeccionado y un aparato para leer dicho soporte
ES468056A1 (es) Aparato para leer un portador de registro reflectante a la radiacion.
FI893847A (fi) Foerfarande foer korrigering av datum och tid.
ES8206864A1 (es) Un dispositivo enfocador optico
ES470931A1 (es) Una instalacion para almacenar y extraer por lectura infor- maciones
CA1033459A (fr) Dispositif de lecture optique de porteuse d'information
GB1042344A (en) Data reading or sensing apparatus
DE3279191D1 (en) Optical disc player
SE8206312L (sv) Kretsanordning for omvandling av en informationssignal till en fyrkantvag
GB1434060A (en) Constant magnification optical system
ES443061A1 (es) Un aparato perfeccionado para leer un portador de registro reflector de radiacion.
JPS572037A (en) Logging method of object to be tracked
FR2293035A1 (fr) Systeme de lecture d'un enregistrement optique de donnees numeriques binaires
ES434530A1 (es) Una disposicion para alinear la imagen de una estructura deinformacion que esta dispuesta sobre o en un portador de re-gistro sustancialmente plano.
JPS53124906A (en) Transmitting method for digital signal
JPS5382304A (en) Tracking error detector for optical reader and recorder
MY122428A (en) Apparatus for reading an optical data carrier
ES8701403A1 (es) Un aparato para leer un soporte de registro discoidal
JPS5320904A (en) Optical information reader
JPS5742838A (en) Microhardness meter
JPS5417038A (en) Optical scanning system
SE8006983L (sv) Felkod for videoskivsystem

Legal Events

Date Code Title Description
ST Notification of lapse