NO133863B - - Google Patents

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Publication number
NO133863B
NO133863B NO750488A NO750488A NO133863B NO 133863 B NO133863 B NO 133863B NO 750488 A NO750488 A NO 750488A NO 750488 A NO750488 A NO 750488A NO 133863 B NO133863 B NO 133863B
Authority
NO
Norway
Prior art keywords
amplifier
photosensitive element
resistor
signal
switching
Prior art date
Application number
NO750488A
Other languages
English (en)
Norwegian (no)
Other versions
NO750488L (nl
NO133863C (nl
Inventor
L-E Skagerlund
Original Assignee
Bofors Ab
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 Bofors Ab filed Critical Bofors Ab
Publication of NO750488L publication Critical patent/NO750488L/no
Publication of NO133863B publication Critical patent/NO133863B/no
Publication of NO133863C publication Critical patent/NO133863C/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/60—Receivers
    • H04B10/66—Non-coherent receivers, e.g. using direct detection
    • H04B10/69—Electrical arrangements in the receiver
    • H04B10/691—Arrangements for optimizing the photodetector in the receiver
    • H04B10/6911—Photodiode bias control, e.g. for compensating temperature variations
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/04—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only
    • H03F3/08—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements with semiconductor devices only controlled by light
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H03G3/3026—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being discontinuously variable, e.g. controlled by switching
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S136/00—Batteries: thermoelectric and photoelectric
    • Y10S136/291—Applications

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Optical Communication System (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Selective Calling Equipment (AREA)
  • Noise Elimination (AREA)
  • Geophysics And Detection Of Objects (AREA)
NO750488A 1974-02-18 1975-02-14 NO133863C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7402085A SE380150B (nl) 1974-02-18 1974-02-18

Publications (3)

Publication Number Publication Date
NO750488L NO750488L (nl) 1975-08-19
NO133863B true NO133863B (nl) 1976-03-29
NO133863C NO133863C (nl) 1976-07-14

Family

ID=20320226

Family Applications (1)

Application Number Title Priority Date Filing Date
NO750488A NO133863C (nl) 1974-02-18 1975-02-14

Country Status (10)

Country Link
US (1) US3999060A (nl)
JP (2) JPS50125605A (nl)
CH (1) CH575181A5 (nl)
DE (1) DE2506535A1 (nl)
FR (1) FR2261665B1 (nl)
GB (1) GB1501120A (nl)
IT (1) IT1029722B (nl)
NL (1) NL7501638A (nl)
NO (1) NO133863C (nl)
SE (1) SE380150B (nl)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2336655A1 (fr) * 1975-12-22 1977-07-22 Telecommunications Sa Perfectionnement au guidage nocturne d'engins autopropulses
US4352559A (en) * 1976-11-10 1982-10-05 Ardac, Inc. Logarithmic primary testing system for security validation
DE2748647C2 (de) * 1977-10-29 1986-06-19 Ernst Leitz Wetzlar Gmbh, 6330 Wetzlar Verstärker für elektrische Signale
US4295160A (en) * 1979-05-11 1981-10-13 Rca Corporation Signal processing circuit having a non-linear transfer function
JPS5745514A (en) * 1980-08-30 1982-03-15 Nippon Kogaku Kk <Nikon> Exposure controller of photographying device of microscope
DD206659A3 (de) * 1981-07-16 1984-02-01 Textima Veb K Vorrichtung zur fadenueberwachung in einer textilmaschine
US4424440A (en) * 1981-10-16 1984-01-03 The Babcock & Wilcox Company Automatic photocell loading
GB2140643B (en) * 1983-05-19 1986-09-24 Standard Telephones Cables Ltd Optical fibre system
US4577234A (en) * 1983-10-31 1986-03-18 Rca Corporation Driver amplifier for an image display device
GB2162634B (en) * 1984-08-01 1988-03-30 Hamar M R System for measuring position of incidence of laser beam on a continuous cell target with respect to a given point
JPS6166427A (ja) * 1984-09-10 1986-04-05 Yagi Antenna Co Ltd 光通信装置
US4531523A (en) * 1984-10-04 1985-07-30 Medtronic, Inc. Digital gain control for the reception of telemetry signals from implanted medical devices
US4628542A (en) * 1985-03-21 1986-12-09 The United States Of America As Represented By The Secretary Of The Army Modulated TEA laser receiver
DE3512090C1 (de) * 1985-04-03 1986-10-02 Eltro GmbH, Gesellschaft für Strahlungstechnik, 6900 Heidelberg Schaltungsanordnung zur Aufbereitung von gleichzeitig zur Verarbeitung anstehenden sehr unterschiedlich grossen Signalamplituden
US4608542A (en) * 1985-06-06 1986-08-26 Rca Corporation Bandwidth controlled data amplifier
US4705946A (en) * 1985-09-05 1987-11-10 Hughes Aircraft Company Infrared sensor comprising improved feedback limited amplifier and associated method for amplifying electronic signals
GB2209105A (en) * 1987-08-26 1989-04-26 Philips Nv Infra-red receiver
US5030925A (en) * 1990-03-15 1991-07-09 Triquint Semiconductor, Inc. Transimpedance amplifier
JPH087753Y2 (ja) * 1990-07-27 1996-03-04 三洋電機株式会社 リモートコントロール信号受信装置
DE4212933A1 (de) * 1992-04-18 1993-10-21 Sel Alcatel Ag Schaltungsanordnung für einen optischen Empfänger
JP2671830B2 (ja) * 1994-11-04 1997-11-05 日本電気株式会社 光受信回路
US5600128A (en) * 1995-04-20 1997-02-04 Hewlett-Packard Company Infrared receiver with variable input resistance for optical communication systems
US5589682A (en) * 1995-06-07 1996-12-31 General Electric Company Photocurrent detector circuit with high sensitivity, fast response time, and large dynamic range
US5623358A (en) * 1995-06-30 1997-04-22 Madey; Julius M. J. Discriminating infrared signal detector and systems utilizing the same
JP4169985B2 (ja) * 2002-02-19 2008-10-22 三菱電機株式会社 前置増幅器の利得切り替え回路
US7253391B2 (en) * 2003-09-19 2007-08-07 Semiconductor Energy Laboratory Co., Ltd. Optical sensor device and electronic apparatus
US20050126379A1 (en) * 2003-12-10 2005-06-16 Pikus Eugene C. RF data communications link for setting electronic fuzes
GB2424978A (en) * 2005-04-06 2006-10-11 Thorn Security Changing the transfer characteristic of an electrical circuit
CN103134529A (zh) * 2011-11-25 2013-06-05 欧姆龙株式会社 光电传感器
US9507049B2 (en) 2013-10-04 2016-11-29 Banner Engineering Object sensing using dynamic demodulation
US10014826B2 (en) * 2015-12-10 2018-07-03 Analog Devices, Inc. Apparatus and methods for power enhancement of self-biased distributed amplifiers with gate bias networks
AU2017346844A1 (en) 2016-10-18 2019-05-02 Carrier Corporation Flame scanner having non-linear amplifier with temperature compensation

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3092729A (en) * 1958-11-03 1963-06-04 Control Data Corp Bi-level amplifier and control device
US3053985A (en) * 1959-08-03 1962-09-11 Eastman Kodak Co Photocell circuits
US3209266A (en) * 1962-04-10 1965-09-28 Leeds & Northrup Co Function generators having multiple rations between input and output
DE1762365B2 (de) * 1967-06-07 1972-04-13 Nippon Electric Co. Ltd., Tokio Operationsverstaerker mit umschaltbarem verstaerkungsgrad
DE1562059A1 (de) * 1968-02-17 1970-02-26 Messerschmitt Boelkow Blohm Schaltungsanordnung mit einem elektrisch steuerbaren, lichtempfindlichen verstaerkerelement
US3604941A (en) * 1969-11-18 1971-09-14 Harris Intertype Corp System for sensing indicia on moving members
DE2002013C3 (de) * 1970-01-17 1973-12-06 Messerschmitt-Boelkow-Blohm Gmbh, 8000 Muenchen Impulshchtempfanger mit Gleichlicht kompensation
US3701036A (en) * 1970-09-28 1972-10-24 Wiltron Co Variable gain amplifier system
DE2301945C2 (de) * 1973-01-16 1982-04-08 Eltro GmbH, Gesellschaft für Strahlungstechnik, 6900 Heidelberg Empfänger für impulsförmige Lichtsignale

Also Published As

Publication number Publication date
IT1029722B (it) 1979-03-20
US3999060A (en) 1976-12-21
FR2261665A1 (nl) 1975-09-12
JPS5936615U (ja) 1984-03-07
SE7402085L (nl) 1975-08-19
NO750488L (nl) 1975-08-19
CH575181A5 (nl) 1976-04-30
GB1501120A (en) 1978-02-15
NL7501638A (nl) 1975-08-20
FR2261665B1 (nl) 1980-08-08
SE380150B (nl) 1975-10-27
JPS50125605A (nl) 1975-10-02
DE2506535A1 (de) 1975-08-21
NO133863C (nl) 1976-07-14
JPS6143307Y2 (nl) 1986-12-08

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