FR2100346A5 - - Google Patents

Info

Publication number
FR2100346A5
FR2100346A5 FR7124841A FR7124841A FR2100346A5 FR 2100346 A5 FR2100346 A5 FR 2100346A5 FR 7124841 A FR7124841 A FR 7124841A FR 7124841 A FR7124841 A FR 7124841A FR 2100346 A5 FR2100346 A5 FR 2100346A5
Authority
FR
France
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
FR7124841A
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.)
Bull HN Information Systems Italia SpA
Original Assignee
Honeywell Information Systems Italia SpA
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 Honeywell Information Systems Italia SpA filed Critical Honeywell Information Systems Italia SpA
Application granted granted Critical
Publication of FR2100346A5 publication Critical patent/FR2100346A5/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
FR7124841A 1970-07-14 1971-07-07 Expired FR2100346A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2738970 1970-07-14

Publications (1)

Publication Number Publication Date
FR2100346A5 true FR2100346A5 (fr) 1972-03-17

Family

ID=11221547

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7124841A Expired FR2100346A5 (fr) 1970-07-14 1971-07-07

Country Status (2)

Country Link
US (1) US3692983A (fr)
FR (1) FR2100346A5 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2436448A1 (fr) * 1978-09-18 1980-04-11 Transaction Technology Inc Lecteur optique a seuil souple
FR2521326A1 (fr) * 1976-11-24 1983-08-12 Access Control Syst Appareil d'identification de code
FR2557329A1 (fr) * 1983-10-28 1985-06-28 Abc Realisations Detecteur de fausses cartes de credit

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3581067A (en) * 1968-12-02 1971-05-25 Spartanics Pitch matching detecting and counting system
US3751636A (en) * 1972-06-01 1973-08-07 Rca Corp Signal transition detection circuit
US4150783A (en) * 1977-09-26 1979-04-24 Alyapkin Vladimir D Method for reading information from punched carrier and device for effecting same
US4162408A (en) * 1977-10-17 1979-07-24 Bourns, Inc. Optical mark sense detector
DE2827347A1 (de) * 1978-06-22 1980-01-10 Bosch Gmbh Robert Einrichtung zur schliesswinkelmessung
US4230265A (en) * 1979-05-07 1980-10-28 Transaction Technology, Inc. Adaptive threshold optical reader
US4243876A (en) * 1979-07-25 1981-01-06 Westinghouse Electric Corp. Background light intensity compensation circuit for a line scan camera system
JPS57124946A (en) * 1981-01-26 1982-08-04 Nec Corp Pulse detection circuit
US5231397A (en) * 1984-03-30 1993-07-27 Datajet, Inc. Extreme waveform coding
US4845761A (en) * 1987-04-17 1989-07-04 Recognition Equipment Incorporated Letter mail address block locator system
US4803701A (en) * 1987-06-25 1989-02-07 The United States Of America As Represented By The Secretary Of The Air Force Digital detection circuit
CA1318977C (fr) * 1987-07-22 1993-06-08 Kazuhito Hori Systeme de reconnaissance d'images
US5073700A (en) * 1990-01-10 1991-12-17 Gtech Corporation Mark sense detector with variable threshold
US5345089A (en) * 1992-12-24 1994-09-06 Pitney Bowes Inc. System and method for optical scanner sensitivity adjustment
US5331173A (en) * 1992-12-24 1994-07-19 Pitney Bowes Inc. System and method for indicating the location of a benchmark
US20040213140A1 (en) * 2003-01-31 2004-10-28 Taylor John W. Interactive electronic device with optical page identification system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3225213A (en) * 1962-05-18 1965-12-21 Beckman Instruments Inc Transition detector
US3449741A (en) * 1965-02-08 1969-06-10 Towson Lab Inc Reversible analog-digital converter utilizing incremental discharge of series connected charge sharing capacitors
US3534334A (en) * 1967-06-20 1970-10-13 Ibm Automatic control of a threshold in the digitization of an analog signal
US3566133A (en) * 1968-03-18 1971-02-23 Coulter Electronics A hemoglobin measuring method and apparatus having voltage following with feedback
US3602825A (en) * 1968-05-16 1971-08-31 Sylvania Electric Prod Pulse signal automatic gain control system including a resettable dump circuit
US3599151A (en) * 1969-12-29 1971-08-10 Ibm Character recognition photosensing apparatus having a threshold comparator circuit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2521326A1 (fr) * 1976-11-24 1983-08-12 Access Control Syst Appareil d'identification de code
FR2436448A1 (fr) * 1978-09-18 1980-04-11 Transaction Technology Inc Lecteur optique a seuil souple
FR2557329A1 (fr) * 1983-10-28 1985-06-28 Abc Realisations Detecteur de fausses cartes de credit

Also Published As

Publication number Publication date
US3692983A (en) 1972-09-19

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Legal Events

Date Code Title Description
ST Notification of lapse