BE800336A - Montage de detection de transitions de signaux variables, - Google Patents

Montage de detection de transitions de signaux variables,

Info

Publication number
BE800336A
BE800336A BE131780A BE131780A BE800336A BE 800336 A BE800336 A BE 800336A BE 131780 A BE131780 A BE 131780A BE 131780 A BE131780 A BE 131780A BE 800336 A BE800336 A BE 800336A
Authority
BE
Belgium
Prior art keywords
variable signal
signal transition
transition detection
detection mounting
mounting
Prior art date
Application number
BE131780A
Other languages
English (en)
French (fr)
Inventor
H G Coles
Original Assignee
Rca 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 Rca Corp filed Critical Rca Corp
Publication of BE800336A publication Critical patent/BE800336A/xx

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
    • 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)
  • Length Measuring Devices By Optical Means (AREA)
  • Manipulation Of Pulses (AREA)
  • Image Input (AREA)
  • Measurement Of Current Or Voltage (AREA)
BE131780A 1972-06-01 1973-05-30 Montage de detection de transitions de signaux variables, BE800336A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25863372A 1972-06-01 1972-06-01

Publications (1)

Publication Number Publication Date
BE800336A true BE800336A (fr) 1973-09-17

Family

ID=22981446

Family Applications (1)

Application Number Title Priority Date Filing Date
BE131780A BE800336A (fr) 1972-06-01 1973-05-30 Montage de detection de transitions de signaux variables,

Country Status (7)

Country Link
US (1) US3751636A (el)
JP (1) JPS5345097B2 (el)
BE (1) BE800336A (el)
CA (1) CA1005579A (el)
CH (1) CH597605A5 (el)
FR (1) FR2186653B1 (el)
GB (1) GB1408696A (el)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3892950A (en) * 1974-04-22 1975-07-01 Rca Corp Average value crossover detector
US4047047A (en) * 1974-06-14 1977-09-06 4K - International A/S Pulse generator
US3947769A (en) * 1974-10-23 1976-03-30 Hoffman Electronics Corporation Threshold correction system in FSK transmissions
JPS5818661B2 (ja) * 1975-05-20 1983-04-14 セイコーエプソン株式会社 タグヨミトリソウチ
US4335301A (en) * 1979-09-27 1982-06-15 Interface Mechanisms, Inc. Wave shaping circuit for electro-optical code readers
US5872354A (en) * 1989-01-31 1999-02-16 Norand Corporation Hand-held data capture system with interchangable modules including autofocusing data file reader using the slope of the image signal to determine focus
US5073700A (en) * 1990-01-10 1991-12-17 Gtech Corporation Mark sense detector with variable threshold
US5268564A (en) * 1990-08-03 1993-12-07 Symbol Technologies, Inc. Bar code scanner actuated by detection of scanner motion
US5103080A (en) * 1990-12-10 1992-04-07 Symbol Technologies, Inc. Digitizer signal processing circuit for a bar code
GB2251508A (en) * 1991-01-03 1992-07-08 Nat Res Dev Variable threshold apparatus
JPH04245581A (ja) * 1991-01-31 1992-09-02 Sumitomo Electric Ind Ltd 走査速度検出装置およびそれを用いた記号読取装置
US5298728A (en) * 1991-11-01 1994-03-29 Spectra-Physics Scanning System, Inc. Signal processing apparatus and method
US5461223A (en) * 1992-10-09 1995-10-24 Eastman Kodak Company Bar code detecting circuitry
US5393967A (en) * 1993-07-21 1995-02-28 Sensis Corporation Method and apparatus for non-contact reading of a relief pattern
JP3447928B2 (ja) 1997-09-22 2003-09-16 富士通株式会社 バーコード読み取り装置
US7782093B2 (en) * 2007-05-23 2010-08-24 Infineon Technologies Ag Integrated circuit and method of detecting a signal edge transition

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3659080A (en) * 1970-07-10 1972-04-25 Pitney Bowes Inc Photo-electric reader and frequency tone code converter
FR2100346A5 (el) * 1970-07-14 1972-03-17 Honeywell Inf Systems Italia
US3708655A (en) * 1971-04-30 1973-01-02 Rca Corp Article identification apparatus

Also Published As

Publication number Publication date
CH597605A5 (el) 1978-04-14
JPS4957731A (el) 1974-06-05
DE2327144B2 (de) 1976-09-30
US3751636A (en) 1973-08-07
FR2186653A1 (el) 1974-01-11
DE2327144A1 (de) 1973-12-13
GB1408696A (en) 1975-10-01
FR2186653B1 (el) 1979-04-06
CA1005579A (en) 1977-02-15
JPS5345097B2 (el) 1978-12-04

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