CA1295711C - Scannable document velocity detector - Google Patents

Scannable document velocity detector

Info

Publication number
CA1295711C
CA1295711C CA000588465A CA588465A CA1295711C CA 1295711 C CA1295711 C CA 1295711C CA 000588465 A CA000588465 A CA 000588465A CA 588465 A CA588465 A CA 588465A CA 1295711 C CA1295711 C CA 1295711C
Authority
CA
Canada
Prior art keywords
timing
mark
scanning
document
count
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 - Fee Related
Application number
CA000588465A
Other languages
English (en)
French (fr)
Inventor
George E. Carsner
John V. Mcmillin
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.)
National Computer Systems Inc
Original Assignee
National Computer Systems 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 National Computer Systems Inc filed Critical National Computer Systems Inc
Application granted granted Critical
Publication of CA1295711C publication Critical patent/CA1295711C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/01—Details
    • G06K7/015—Aligning or centering of the sensing device with respect to the record carrier
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/01—Details
    • G06K7/016—Synchronisation of sensing process

Landscapes

  • Engineering & Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Character Input (AREA)
CA000588465A 1988-01-21 1989-01-17 Scannable document velocity detector Expired - Fee Related CA1295711C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US146,534 1980-05-02
US07/146,534 US4794241A (en) 1988-01-21 1988-01-21 Scannable document velocity detector

Publications (1)

Publication Number Publication Date
CA1295711C true CA1295711C (en) 1992-02-11

Family

ID=22517823

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000588465A Expired - Fee Related CA1295711C (en) 1988-01-21 1989-01-17 Scannable document velocity detector

Country Status (8)

Country Link
US (1) US4794241A (US07655688-20100202-C00086.png)
EP (1) EP0324895A3 (US07655688-20100202-C00086.png)
JP (1) JPH01209375A (US07655688-20100202-C00086.png)
KR (1) KR960001644B1 (US07655688-20100202-C00086.png)
CN (1) CN1015755B (US07655688-20100202-C00086.png)
AU (1) AU596342B2 (US07655688-20100202-C00086.png)
CA (1) CA1295711C (US07655688-20100202-C00086.png)
IN (1) IN170054B (US07655688-20100202-C00086.png)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4934821A (en) * 1989-06-26 1990-06-19 Eastman Kodak Company Technique for scanning a microfilm image moving at a variable speed
US5436439A (en) * 1992-06-11 1995-07-25 Nec Corporation Bar code reader for processing a plurality of bar codes in a read area
US5412205A (en) * 1993-11-18 1995-05-02 Logitech, Inc. Scanner with a wing-shaped fluorescent tube housing and dual-faceted scan window
US6507768B1 (en) * 2000-11-07 2003-01-14 Hewlett-Packard Co. Method and system to compensate for wear in a sheet handling device
KR100708116B1 (ko) * 2004-11-11 2007-04-16 삼성전자주식회사 복수의 바코드 센서들을 이용하여 인쇄 미디어 정보를추출하는 방법 및 그 장치
US10165150B2 (en) 2013-11-22 2018-12-25 Hp Indigo B.V. Printer with two scanners
KR101885955B1 (ko) 2016-04-25 2018-08-06 (주)펠리테크 마이크로파를 이용한 세라믹 발열 조리기

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3231266A (en) * 1963-08-14 1966-01-25 Rca Corp Document handling apparatus
US3493729A (en) * 1965-07-22 1970-02-03 Rca Corp Timing system
US4162035A (en) * 1977-09-23 1979-07-24 General Signal Corporation High resolution optical position code detector for information recorded on record carrier partially in humanly intelligible form
US4152895A (en) * 1978-02-21 1979-05-08 Lockheed Corporation Wave powered motor
US4300123A (en) * 1979-01-02 1981-11-10 Westinghouse Electric Corp. Optical reading system
JPS61261968A (ja) * 1985-05-15 1986-11-20 Dainippon Screen Mfg Co Ltd 網点発生方法および装置

Also Published As

Publication number Publication date
CN1015755B (zh) 1992-03-04
EP0324895A2 (en) 1989-07-26
JPH01209375A (ja) 1989-08-23
US4794241A (en) 1988-12-27
KR960001644B1 (ko) 1996-02-03
KR890012239A (ko) 1989-08-25
IN170054B (US07655688-20100202-C00086.png) 1992-02-01
CN1035572A (zh) 1989-09-13
EP0324895A3 (en) 1990-05-16
AU596342B2 (en) 1990-04-26
AU2012388A (en) 1989-07-06

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Legal Events

Date Code Title Description
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