GB1369613A - Data systems apparatus and methods - Google Patents

Data systems apparatus and methods

Info

Publication number
GB1369613A
GB1369613A GB3259371A GB3259371A GB1369613A GB 1369613 A GB1369613 A GB 1369613A GB 3259371 A GB3259371 A GB 3259371A GB 3259371 A GB3259371 A GB 3259371A GB 1369613 A GB1369613 A GB 1369613A
Authority
GB
United Kingdom
Prior art keywords
pulses
grey
feed
tab
decoder
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
GB3259371A
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.)
TRANSACTION SYSTEMX Inc
Original Assignee
TRANSACTION SYSTEMX 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 TRANSACTION SYSTEMX Inc filed Critical TRANSACTION SYSTEMX Inc
Publication of GB1369613A publication Critical patent/GB1369613A/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)
  • Digital Magnetic Recording (AREA)
GB3259371A 1970-09-23 1971-07-12 Data systems apparatus and methods Expired GB1369613A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7467270A 1970-09-23 1970-09-23

Publications (1)

Publication Number Publication Date
GB1369613A true GB1369613A (en) 1974-10-09

Family

ID=22120957

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3259371A Expired GB1369613A (en) 1970-09-23 1971-07-12 Data systems apparatus and methods

Country Status (5)

Country Link
US (1) US3688260A (enExample)
CA (1) CA944476A (enExample)
DE (1) DE2145544A1 (enExample)
FR (1) FR2108430A5 (enExample)
GB (1) GB1369613A (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3784792A (en) * 1972-03-29 1974-01-08 Monarch Marking Systems Inc Coded record and methods of and apparatus for encoding and decoding records
US3906202A (en) * 1974-03-01 1975-09-16 Monarch Marking Systems Inc Data retrieval and error detection method and apparatus designed for use in a width-modulated bar-code scanning apparatus
US3921009A (en) * 1974-04-12 1975-11-18 Stromberg Carlson Corp Receiver for pulse width modulated signals
US4224508A (en) * 1978-11-13 1980-09-23 Recognition Equipment Incorporated Error correcting bar code reader
US5022052A (en) * 1987-11-13 1991-06-04 Seismograph Service Corp. Analog signal binary transmission system using slope detection
US5023892A (en) * 1990-04-06 1991-06-11 Printer Systems Corporation System for detecting and correcting signal distortion

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2917236A (en) * 1954-02-03 1959-12-15 Olivetti & Co Spa Cyclically operable digital accumulating apparatus
US3238501A (en) * 1962-08-29 1966-03-01 Ncr Co Optical scanning pen and codedcharacter reading system
US3268814A (en) * 1963-06-03 1966-08-23 Lab For Electronics Inc Plural carrier frequency telemetry and control system using pulse width modulation
US3246247A (en) * 1963-11-18 1966-04-12 Gen Electric Pulse width to d. c. converter
US3390233A (en) * 1965-01-08 1968-06-25 Sangamo Electric Co Digital unambiguous control of circuit interrupter means
US3396369A (en) * 1965-01-18 1968-08-06 Sangamo Electric Co Quaternary decision logic system
US3555298A (en) * 1967-12-20 1971-01-12 Gen Electric Analog to pulse duration converter
US3571736A (en) * 1969-01-14 1971-03-23 Ibm Demodulator for pulse width modulated signals

Also Published As

Publication number Publication date
DE2145544A1 (de) 1972-03-30
FR2108430A5 (enExample) 1972-05-19
CA944476A (en) 1974-03-26
US3688260A (en) 1972-08-29

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees