CH578285A5 - - Google Patents

Info

Publication number
CH578285A5
CH578285A5 CH795173A CH795173A CH578285A5 CH 578285 A5 CH578285 A5 CH 578285A5 CH 795173 A CH795173 A CH 795173A CH 795173 A CH795173 A CH 795173A CH 578285 A5 CH578285 A5 CH 578285A5
Authority
CH
Switzerland
Application number
CH795173A
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 CH578285A5 publication Critical patent/CH578285A5/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3084—Automatic control in amplifiers having semiconductor devices in receivers or transmitters for electromagnetic waves other than radiowaves, e.g. lightwaves
    • 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
CH795173A 1972-06-01 1973-06-01 CH578285A5 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US25863272A 1972-06-01 1972-06-01

Publications (1)

Publication Number Publication Date
CH578285A5 true CH578285A5 (da) 1976-07-30

Family

ID=22981441

Family Applications (1)

Application Number Title Priority Date Filing Date
CH795173A CH578285A5 (da) 1972-06-01 1973-06-01

Country Status (8)

Country Link
US (1) US3796866A (da)
JP (1) JPS4957752A (da)
BE (1) BE800335A (da)
CA (1) CA1018632A (da)
CH (1) CH578285A5 (da)
DE (1) DE2327802C3 (da)
FR (1) FR2186777B1 (da)
GB (1) GB1429267A (da)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3950640A (en) * 1973-11-19 1976-04-13 Xerox Corporation Lamp control and lamp switch circuit for controlling light balance
US3944979A (en) * 1974-12-23 1976-03-16 Data Source Corporation Method and apparatus for illuminating an object bearing indicia
US4133008A (en) * 1977-03-14 1979-01-02 Rapicom Inc. Automatic illumination compensation circuit
US4266123A (en) * 1978-11-20 1981-05-05 Owen-Illinois, Inc. Automatic scanner
DE2934560C2 (de) * 1979-08-27 1982-03-25 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Schaltungsanordnung zur Regelung des Übertragungsfaktors eines fotoelektrischen Wandlers
US4516174A (en) * 1980-03-10 1985-05-07 Ricoh Company, Ltd. Video signal regulating apparatus
US4965444A (en) * 1988-08-17 1990-10-23 Ransburg Corporation Automatic gain control fiber optica-to-electrical transceiver
US7240250B2 (en) * 2002-08-29 2007-07-03 Seagate Technology Llc Head degradation characterization for a data storage device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3568151A (en) * 1966-03-23 1971-03-02 Hitachi Ltd Photoelectrical conversion system for pattern-recognizing apparatus and the like
US3525948A (en) * 1966-03-25 1970-08-25 Sds Data Systems Inc Seismic amplifiers
US3437817A (en) * 1966-04-25 1969-04-08 Bausch & Lomb Gain control circuit for photomultiplier tubes with a semi-conductor device connected across the last resistor of the divider
US3464022A (en) * 1967-08-30 1969-08-26 Mandrel Industries Apparatus for controlling the gain of binary gain ranging amplifiers

Also Published As

Publication number Publication date
US3796866A (en) 1974-03-12
DE2327802B2 (de) 1977-10-13
CA1018632A (en) 1977-10-04
DE2327802C3 (de) 1978-06-01
FR2186777A1 (da) 1974-01-11
GB1429267A (en) 1976-03-24
JPS4957752A (da) 1974-06-05
DE2327802A1 (de) 1973-12-13
FR2186777B1 (da) 1977-11-10
BE800335A (fr) 1973-09-17

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Legal Events

Date Code Title Description
PL Patent ceased