FR1547880A - Système de détection de données - Google Patents

Système de détection de données

Info

Publication number
FR1547880A
FR1547880A FR8845A FR06008845A FR1547880A FR 1547880 A FR1547880 A FR 1547880A FR 8845 A FR8845 A FR 8845A FR 06008845 A FR06008845 A FR 06008845A FR 1547880 A FR1547880 A FR 1547880A
Authority
FR
France
Prior art keywords
detection system
data detection
data
detection
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
FR8845A
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
Application granted granted Critical
Publication of FR1547880A publication Critical patent/FR1547880A/fr
Expired 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Health & Medical Sciences (AREA)
  • Theoretical Computer Science (AREA)
  • Facsimile Scanning Arrangements (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Length Measuring Devices By Optical Means (AREA)
FR8845A 1967-01-09 1967-11-27 Système de détection de données Expired FR1547880A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US60808967A 1967-01-09 1967-01-09

Publications (1)

Publication Number Publication Date
FR1547880A true FR1547880A (fr) 1968-11-29

Family

ID=24434983

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8845A Expired FR1547880A (fr) 1967-01-09 1967-11-27 Système de détection de données

Country Status (4)

Country Link
US (1) US3539777A (fr)
DE (1) DE1574705A1 (fr)
FR (1) FR1547880A (fr)
GB (2) GB1207199A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2137239B2 (fr) * 1970-10-26 1976-04-09 Schlumberger Compteurs
US3744048A (en) * 1971-09-01 1973-07-03 Ultronic Systems Corp Display apparatus employing fiber optics
US3784310A (en) * 1972-06-07 1974-01-08 Technicon Instr System and method for improved operation of a colorimeter or like optical analysis apparatus
US4096383A (en) * 1976-11-08 1978-06-20 Gilbert & Barker Manufacturing Company Pulse-generating apparatus responsive to shaft rotation
US4217487A (en) * 1978-05-26 1980-08-12 National Computer Systems, Inc. Self-calibrating apparatus for photoelectrically scanning answer documents
US4283622A (en) * 1979-05-14 1981-08-11 Ncr Corporation Bar code reader
FI86340C (fi) * 1990-10-31 1992-08-10 Labsystems Oy Foerfarande foer ledning av ljus.

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3146422A (en) * 1958-07-14 1964-08-25 Ibm Automatic output control system
US3088665A (en) * 1958-12-04 1963-05-07 Ibm Clipping level control apparatus
US3060329A (en) * 1959-11-09 1962-10-23 Gen Dynamics Corp Automatic gain control generator for receivers
US3201569A (en) * 1961-06-12 1965-08-17 United Aircraft Corp Mark selection circuit
US3408482A (en) * 1962-07-05 1968-10-29 Optical Seanning Corp Machine for sequentially scanning lines, as in test scoring
US3192390A (en) * 1963-01-08 1965-06-29 Hogan Faximile Corp Photosensitive scanner with automatic range control
US3393800A (en) * 1965-10-21 1968-07-23 Fred A. Durand Jr. Method and apparatus for measuring light

Also Published As

Publication number Publication date
GB1207198A (en) 1970-09-30
US3539777A (en) 1970-11-10
DE1574705A1 (de) 1971-05-06
GB1207199A (en) 1970-09-30

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