GB1522895A - Method of and apparatus for decoding encoded data signals - Google Patents

Method of and apparatus for decoding encoded data signals

Info

Publication number
GB1522895A
GB1522895A GB36049/76A GB3604976A GB1522895A GB 1522895 A GB1522895 A GB 1522895A GB 36049/76 A GB36049/76 A GB 36049/76A GB 3604976 A GB3604976 A GB 3604976A GB 1522895 A GB1522895 A GB 1522895A
Authority
GB
United Kingdom
Prior art keywords
data
signals
space
counter
bar
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
GB36049/76A
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.)
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
Publication of GB1522895A publication Critical patent/GB1522895A/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
    • G06K7/01—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

  • Engineering & Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
GB36049/76A 1975-10-29 1976-08-31 Method of and apparatus for decoding encoded data signals Expired GB1522895A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/626,680 US3978319A (en) 1975-10-29 1975-10-29 Universal self-clocking code reading method and apparatus

Publications (1)

Publication Number Publication Date
GB1522895A true GB1522895A (en) 1978-08-31

Family

ID=24511381

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36049/76A Expired GB1522895A (en) 1975-10-29 1976-08-31 Method of and apparatus for decoding encoded data signals

Country Status (7)

Country Link
US (1) US3978319A (enExample)
JP (1) JPS5282021A (enExample)
CH (1) CH614080A5 (enExample)
DE (1) DE2645460C2 (enExample)
FR (1) FR2330207A1 (enExample)
GB (1) GB1522895A (enExample)
IT (1) IT1068107B (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0024295A1 (en) * 1979-07-17 1981-03-04 Teletype Corporation Apparatus for decoding diphase input signals
GB2247764A (en) * 1990-09-07 1992-03-11 Mitsubishi Heavy Ind Ltd Recording/reproducing circuits for toll road tickets
AU655353B2 (en) * 1990-09-07 1994-12-15 Mitsubishi Jukogyo Kabushiki Kaisha Magnetic recording method and circuit for toll road ticket

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4061900A (en) * 1976-04-16 1977-12-06 Data General Corporation Indicia validation system
US4125765A (en) * 1977-06-27 1978-11-14 International Business Machines Corporation Label find method and circuit
JPS5491400A (en) * 1977-12-28 1979-07-19 Omron Tateisi Electronics Co Device for judging pages of bank pass-book
US4369516A (en) * 1980-09-15 1983-01-18 Motorola, Inc. Self-clocking data transmission system
FR2545631B1 (fr) * 1983-05-06 1987-07-17 Lewiner Jacques Perfectionnements aux procedes et dispositifs de lecture des cartes magnetiques de controle d'acces ou analogues
JPS6047861A (ja) * 1983-08-26 1985-03-15 Nissan Motor Co Ltd 内燃機関の吸気路加熱装置
JPS60187484U (ja) * 1984-05-22 1985-12-12 ティーディーケイ株式会社 ハニカム加熱器
USRE38758E1 (en) * 1990-07-31 2005-07-19 Xerox Corporation Self-clocking glyph shape codes
CA2044404C (en) * 1990-07-31 1998-06-23 Dan S. Bloomberg Self-clocking glyph shape codes
US6636994B1 (en) * 2000-05-26 2003-10-21 Synthesys Apparatus and method for examining bit values during bit error location measurements
US8682077B1 (en) 2000-11-28 2014-03-25 Hand Held Products, Inc. Method for omnidirectional processing of 2D images including recognizable characters
US12223682B2 (en) * 2021-03-19 2025-02-11 Intel Corporation Variable width interleaved coding for graphics processing
US12299940B2 (en) 2021-08-19 2025-05-13 Intel Corporation Interleaving of variable bitrate streams for GPU implementations

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6700438A (enExample) * 1966-02-21 1967-08-22
US3708748A (en) * 1970-04-27 1973-01-02 Ibm Retrospective pulse modulation and apparatus therefor
US3761685A (en) * 1971-05-24 1973-09-25 Pitney Bowes Alpex Data processing means with printed code
US3723710A (en) * 1971-06-28 1973-03-27 Ibm Method and device for reading and decoding a high density self-clocking bar code
US3838251A (en) * 1971-06-29 1974-09-24 Monarch Marking Systems Inc Method of interpreting a coded record
JPS5248772B2 (enExample) * 1971-11-05 1977-12-12
US3784792A (en) * 1972-03-29 1974-01-08 Monarch Marking Systems Inc Coded record and methods of and apparatus for encoding and decoding records
US3882464A (en) * 1974-04-04 1975-05-06 Computer Identics Corp Size ratio label reading system
US3947662A (en) * 1974-12-31 1976-03-30 International Business Machines Corporation Distorted two frequency coded data interpreting method and apparatus

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0024295A1 (en) * 1979-07-17 1981-03-04 Teletype Corporation Apparatus for decoding diphase input signals
GB2247764A (en) * 1990-09-07 1992-03-11 Mitsubishi Heavy Ind Ltd Recording/reproducing circuits for toll road tickets
US5274218A (en) * 1990-09-07 1993-12-28 Mitsubishi Jukogyo Kabushiki Kaisha Magnetic recording method and circuit for toll road ticket
AU646073B2 (en) * 1990-09-07 1994-02-03 Mitsubishi Jukogyo Kabushiki Kaisha Magnetic recording method and circuit for toll road ticket
GB2276262A (en) * 1990-09-07 1994-09-21 Mitsubishi Heavy Ind Ltd Recording/reproducing circuits for toll road tickets
AU655353B2 (en) * 1990-09-07 1994-12-15 Mitsubishi Jukogyo Kabushiki Kaisha Magnetic recording method and circuit for toll road ticket
GB2276262B (en) * 1990-09-07 1995-03-22 Mitsubishi Heavy Ind Ltd Recording circuits for toll road tickets
GB2247764B (en) * 1990-09-07 1995-03-22 Mitsubishi Heavy Ind Ltd Magnetic recording method and recording/reproducing circuits for toll road tickets
AU662847B2 (en) * 1990-09-07 1995-09-14 Mitsubishi Jukogyo Kabushiki Kaisha Magnetic recording method and circuit for toll road ticket
US5455408A (en) * 1990-09-07 1995-10-03 Mitsubishi Jukogyo Kabushiki Kaisha Magnetic recording circuit for toll road ticket

Also Published As

Publication number Publication date
DE2645460A1 (de) 1977-05-12
US3978319A (en) 1976-08-31
JPS5751142B2 (enExample) 1982-10-30
CH614080A5 (enExample) 1979-10-31
DE2645460C2 (de) 1982-06-09
JPS5282021A (en) 1977-07-08
FR2330207A1 (fr) 1977-05-27
IT1068107B (it) 1985-03-21
FR2330207B1 (enExample) 1980-02-22

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19960830