CA1148259A - Buffer memory control circuit for label scanning system - Google Patents

Buffer memory control circuit for label scanning system

Info

Publication number
CA1148259A
CA1148259A CA000361883A CA361883A CA1148259A CA 1148259 A CA1148259 A CA 1148259A CA 000361883 A CA000361883 A CA 000361883A CA 361883 A CA361883 A CA 361883A CA 1148259 A CA1148259 A CA 1148259A
Authority
CA
Canada
Prior art keywords
count
data
counter
data storage
input
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
CA000361883A
Other languages
English (en)
French (fr)
Inventor
George J. Laurer
Charles M. Pierce
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of CA1148259A publication Critical patent/CA1148259A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10851—Circuits for pulse shaping, amplifying, eliminating noise signals, checking the function of the sensing device
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06K7/0166—Synchronisation of sensing process by means of clock-signals derived from the code marks, e.g. self-clocking code

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Complex Calculations (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)
  • Time-Division Multiplex Systems (AREA)
CA000361883A 1979-11-29 1980-09-26 Buffer memory control circuit for label scanning system Expired CA1148259A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US098,461 1979-11-29
US06/098,461 US4344152A (en) 1979-11-29 1979-11-29 Buffer memory control circuit for label scanning system

Publications (1)

Publication Number Publication Date
CA1148259A true CA1148259A (en) 1983-06-14

Family

ID=22269373

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000361883A Expired CA1148259A (en) 1979-11-29 1980-09-26 Buffer memory control circuit for label scanning system

Country Status (5)

Country Link
US (1) US4344152A (enExample)
EP (1) EP0029923B1 (enExample)
JP (1) JPS5679371A (enExample)
CA (1) CA1148259A (enExample)
DE (1) DE3070126D1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4500880A (en) * 1981-07-06 1985-02-19 Motorola, Inc. Real time, computer-driven retail pricing display system
US4914623A (en) * 1986-09-18 1990-04-03 Hudson-Allen Limited Digital processing of sensor signals for reading binary storage media
JPS63135827U (enExample) * 1987-02-26 1988-09-06
JP3313362B2 (ja) * 1990-10-04 2002-08-12 日本電気株式会社 音声処理装置のメモリーアドレス発生器
WO1993003455A1 (en) * 1991-08-02 1993-02-18 Intermec Corporation Method and apparatus for scanning symbols
EP0539158A2 (en) * 1991-10-21 1993-04-28 Canon Kabushiki Kaisha Method and apparatus for character recognition
EP0846305A4 (en) * 1996-06-21 2001-04-25 Norand Corp READER FOR TOO LONG CODES PERFORMING A DECODING OF CODED IMAGES
US20040064455A1 (en) * 2002-09-26 2004-04-01 Eastman Kodak Company Software-floating palette for annotation of images that are viewable in a variety of organizational structures

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3798421A (en) * 1971-12-07 1974-03-19 Ncr Double field code reading system
US3868634A (en) 1972-11-03 1975-02-25 Scanner Reading of contrasting data by means of continuously attempting to decode read signals
US3868636A (en) * 1973-06-18 1975-02-25 Isotec Inc Optical character reader having feature recognition capability
US3909787A (en) * 1974-07-01 1975-09-30 Ibm Candidate selection processor
JPS586982B2 (ja) * 1976-08-18 1983-02-07 株式会社デンソー バ−コ−ド読取方法および装置
US4086477A (en) * 1977-06-27 1978-04-25 International Business Machines Corporation Decoding method and circuit
US4125765A (en) * 1977-06-27 1978-11-14 International Business Machines Corporation Label find method and circuit
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
US4298954A (en) * 1979-04-30 1981-11-03 International Business Machines Corporation Alternating data buffers when one buffer is empty and another buffer is variably full of data

Also Published As

Publication number Publication date
DE3070126D1 (en) 1985-03-21
US4344152A (en) 1982-08-10
EP0029923B1 (fr) 1985-02-06
JPS6113636B2 (enExample) 1986-04-14
EP0029923A1 (fr) 1981-06-10
JPS5679371A (en) 1981-06-29

Similar Documents

Publication Publication Date Title
US4606065A (en) Image processing-system
US5929418A (en) Optical reader having improved menuing features
US5932862A (en) Optical reader having improved scanning-decoding features
US5825006A (en) Optical reader having improved autodiscrimination features
US5900613A (en) Optical reader having improved reprogramming features
US4484346A (en) Neighborhood transformation logic circuitry for an image analyzer system
US4395698A (en) Neighborhood transformation logic circuitry for an image analyzer system
US5194722A (en) Enhanced UPC bar code decoding system reconstructing complete bar code signals from partial bar code scans
US4752928A (en) Transaction analyzer
US3909787A (en) Candidate selection processor
EP0042953A2 (en) Bar code candidate select circuit
US3492646A (en) Cross correlation and decision making apparatus
US4398176A (en) Image analyzer with common data/instruction bus
US5097263A (en) Process and apparatus for treatment of an analog electric signal for obtaining a parametrable binary signal representative of its significant component
US5276316A (en) Method for reconstructing complete bar code signals from partial bar code scans
CA1148259A (en) Buffer memory control circuit for label scanning system
US4607385A (en) Character recognition apparatus
US4395697A (en) Off-image detection circuit for an image analyzer
US5821520A (en) Bar code scanning system with the pre-decoding signal processing and method for bar code candidate selection for decoding
US4115815A (en) Facsimile signal coding method
US5337168A (en) Image data processing apparatus for locating pixel having maximum coincidence count in input image data
KR940007728A (ko) 바코드 리더
EP0082236B1 (en) Method of recognizing characters in an optical document reader
US5301263A (en) High memory bandwidth system for updating z-buffer values
GB1603371A (en) Digital logic circuit for comparing ordered character strings of variable length

Legal Events

Date Code Title Description
MKEX Expiry