JPS5748134Y2 - - Google Patents

Info

Publication number
JPS5748134Y2
JPS5748134Y2 JP1978177529U JP17752978U JPS5748134Y2 JP S5748134 Y2 JPS5748134 Y2 JP S5748134Y2 JP 1978177529 U JP1978177529 U JP 1978177529U JP 17752978 U JP17752978 U JP 17752978U JP S5748134 Y2 JPS5748134 Y2 JP S5748134Y2
Authority
JP
Japan
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
JP1978177529U
Other versions
JPS54103723U (ja
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 filed Critical
Publication of JPS54103723U publication Critical patent/JPS54103723U/ja
Application granted granted Critical
Publication of JPS5748134Y2 publication Critical patent/JPS5748134Y2/ja
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
    • H04L25/065—Binary decisions
    • 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
    • H04B10/693—Arrangements for optimizing the preamplifier in the receiver
    • H04B10/6931—Automatic gain control of the preamplifier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
    • H04L25/062—Setting decision thresholds using feedforward techniques only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/20—Repeater circuits; Relay circuits
    • H04L25/26—Circuits with optical sensing means, i.e. using opto-couplers for isolation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Communication System (AREA)
  • Dc Digital Transmission (AREA)
  • Amplifiers (AREA)
JP1978177529U 1977-12-29 1978-12-27 Expired JPS5748134Y2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/865,475 US4241455A (en) 1977-12-29 1977-12-29 Data receiving and processing circuit

Publications (2)

Publication Number Publication Date
JPS54103723U JPS54103723U (ja) 1979-07-21
JPS5748134Y2 true JPS5748134Y2 (ja) 1982-10-22

Family

ID=25345596

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1978177529U Expired JPS5748134Y2 (ja) 1977-12-29 1978-12-27

Country Status (3)

Country Link
US (1) US4241455A (ja)
JP (1) JPS5748134Y2 (ja)
DE (1) DE2853353C3 (ja)

Families Citing this family (56)

* Cited by examiner, † Cited by third party
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US4545076A (en) * 1979-03-13 1985-10-01 Spectronics, Inc. Data transmission link
JPS6012826B2 (ja) * 1980-01-07 1985-04-03 株式会社日立製作所 受信回路
FR2473823A1 (fr) * 1980-01-14 1981-07-17 Dassault Electronique Installation pour la transmission d'informations par ligne omnibus optique
FR2475826A1 (fr) * 1980-02-12 1981-08-14 Lignes Telegraph Telephon Dispositif de declenchement d'alarme pour une insuffisance du niveau de transmission, pour module recepteur d'un systeme de transmission sur fibre optique
DE3007502A1 (de) * 1980-02-28 1981-09-10 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltung zur aufbereitung eines digital-signales
US4415803A (en) * 1980-10-22 1983-11-15 Bell Telephone Laboratories, Incorporated Optical receiver with improved dynamic range
US4360729A (en) * 1980-11-17 1982-11-23 Geosource Inc. Seismic cable connector with optical transceiver
JPS57171868A (en) * 1981-04-16 1982-10-22 Toshiba Corp Waveform shaping circuit
FR2520174A1 (fr) * 1982-01-15 1983-07-22 Lignes Telegraph Telephon Systeme de transmission de signaux numeriques sur fibre optique
FR2525050B1 (fr) * 1982-04-08 1986-04-04 Jeumont Schneider Procede et dispositif pour la transmission de signaux sur une liaison equipee de postes repeteurs
US4433256A (en) * 1982-07-06 1984-02-21 Motorola, Inc. Limiter with dynamic hysteresis
US4477779A (en) * 1982-07-30 1984-10-16 The United States Of America As Represented By The Secretary Of The Navy Dual channel gated peak detector
JPH0619904B2 (ja) * 1983-05-20 1994-03-16 日本ビクター株式会社 デジタル信号の波形処理方式
JP2724996B2 (ja) * 1983-12-20 1998-03-09 パイオニア株式会社 相対位置検出装置
JPS60160231A (ja) * 1984-01-31 1985-08-21 Toshiba Corp ル−プ式光デ−タウエイシステム
DE3425335A1 (de) * 1984-07-10 1986-01-23 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Schaltungsanordnung zur unterdrueckung von stoersignalen bei der uebertragung von digitalen fernsteuersignalen
DE3770283D1 (de) * 1986-02-07 1991-07-04 Sharp Kk Optisches speichergeraet.
US4852164A (en) * 1986-03-05 1989-07-25 Matsushita Electric Industrial Co., Ltd. Pulse generating apparatus
US4903338A (en) * 1986-11-17 1990-02-20 Amp Incorporated Optical interface
US4847865A (en) * 1987-05-18 1989-07-11 Amp Incorporated Automatic threshold adjustment circuit for digital data communication
JPH01272225A (ja) * 1988-04-22 1989-10-31 Atsugi Unisia Corp 信号処理回路
US4926442A (en) * 1988-06-17 1990-05-15 International Business Machines Corporation CMOS signal threshold detector
JPH0821906B2 (ja) * 1990-07-03 1996-03-04 株式会社東芝 光受信回路
US5216238A (en) * 1990-10-09 1993-06-01 Nec Corporation Infrared ray receiving circuit
US5412498A (en) * 1991-03-29 1995-05-02 Raynet Corporation Multi-RC time constant receiver
JPH0537268A (ja) * 1991-07-29 1993-02-12 Sony Corp オーデイオ信号のインターフエイス回路
DE4142339C2 (de) * 1991-12-20 1995-07-20 Siemens Ag Verfahren und Schaltungsanordnung zum Umsetzen von spannungsmodulierten Eingangssignalen in Datensignale
ES2141716T3 (es) * 1992-09-09 2000-04-01 Cit Alcatel Ajuste del umbral del receptor y control de la potencia del transmisor para un sistema de comunicacion atm.
JP2926202B2 (ja) * 1992-09-24 1999-07-28 ユニデン株式会社 レーザー光受信装置
US5323423A (en) * 1993-03-02 1994-06-21 Transwitch Corporation Receive side pulse width controlled adaptive equalizer
US5391950A (en) * 1993-06-24 1995-02-21 Unisys Corporation Circuit to eliminate signal chatter in the output of a fiber-optic receiver
US5381052A (en) * 1993-07-06 1995-01-10 Digital Equipment Corporation Peak detector circuit and application in a fiber optic receiver
US5381146A (en) * 1993-07-06 1995-01-10 Digital Equipment Corporation Voltage-tracking circuit and application in a track-and-hold amplifier
JPH08223228A (ja) * 1994-03-17 1996-08-30 Fujitsu Ltd 等化増幅器及びこれを用いた受信機並びにプリアンプ
US5894468A (en) * 1994-05-06 1999-04-13 Discovision Associates Data recovery with differentiation and partial integration stages to eliminate noises and DC offset level
US5790495A (en) * 1994-05-06 1998-08-04 Discovision Associates Data generator assembly for retrieving stored data by comparing threshold signal with preprocessed signal having DC component
US5508645A (en) * 1995-03-28 1996-04-16 International Business Machines Corporation Circuit for raising a minimum threshold of a signal detector
US5703506A (en) * 1995-12-26 1997-12-30 Motorola Signal processing method
US6307660B1 (en) * 1997-01-28 2001-10-23 Tellium, Inc. Optical receiver particularly useful for a multi-wavelength receiver array
US5864591A (en) 1997-03-27 1999-01-26 Integration Associates, Inc. Apparatus and method for suppression of feedback in a communications receiver
US6169765B1 (en) * 1997-05-28 2001-01-02 Integration Associates, Inc. Apparatus and method for output signal pulse width error correction in a communications receiver
US6240283B1 (en) 1997-08-07 2001-05-29 Integration Associates, Inc. Apparatus and method for feedback mitigation in a low speed communications receiver
US6081558A (en) * 1997-08-20 2000-06-27 Integration Associates, Inc. Apparatus and method for low power operation with high sensitivity in a communications receiver
US6556330B2 (en) 1998-03-10 2003-04-29 Integration Associates, Inc. Apparatus and method for an integrated photodiode in an infrared receiver
US6433976B1 (en) * 1999-09-24 2002-08-13 Square D Company Instantaneous arc fault light detector with resistance to false tripping
US6359517B1 (en) 2000-01-28 2002-03-19 Integration Associates Incorporated Photodiode transimpedance circuit
CA2312516C (en) * 2000-06-27 2004-03-02 Ibm Canada Limited-Ibm Canada Limitee Infrared transceiver with isolated analog output
US6686997B1 (en) * 2001-08-27 2004-02-03 Raytheon Company Apparatus and a method for pulse detection and characterization
DE10211013C1 (de) 2002-03-09 2003-07-03 Xignal Technologies Ag Verfahren zum Betreiben eines Komparators und eines dem Komparator vorgeschalteten Vorverstärkers einer integrierten Schaltung sowie integrierte Schaltungsanordnung mit einem Komparator und einem dem Komparator vorgeschalteten Vorverstärker
US20040233829A1 (en) * 2002-11-18 2004-11-25 Mitsumi Electric Co., Ltd. Optical disc drive having a function for estimating double refraction in disc
US7215883B1 (en) 2003-01-24 2007-05-08 Jds Uniphase Corporation Methods for determining the performance, status, and advanced failure of optical communication channels
US7002131B1 (en) 2003-01-24 2006-02-21 Jds Uniphase Corporation Methods, systems and apparatus for measuring average received optical power
US20050046482A1 (en) * 2003-08-27 2005-03-03 Karl Schrodinger Receiver circuit
JP2009105726A (ja) * 2007-10-24 2009-05-14 Panasonic Corp 高周波電力検波回路及び無線通信装置
CA2781236A1 (en) * 2009-11-18 2011-05-26 Derek H. Geer Method, apparatus and system for sensing a signal with automatic adjustments for changing signal levels
DE102023105723A1 (de) 2023-03-08 2024-09-12 Diehl Ako Stiftung & Co. Kg Signalaufbereitungsschaltung für Bedienvorrichtung

Family Cites Families (11)

* 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
DE1247051B (de) * 1965-06-18 1967-08-10 Siemens Ag Schaltungsanordnung zum Ausgleich von Kontrastaenderungen bei der Digitalisierung von Video-Signalen
DE1537116B2 (de) * 1967-08-30 1973-08-09 Robert Bosch Fernsehanlagen Gmbh, 6100 Darmstadt Schaltungsanordnung zur pegelunabhaengigen regenerierung einer maeanderfoermigen impulsfolge
US3566281A (en) * 1968-05-21 1971-02-23 Ibm Electric pulse wave clipping circuitry
GB1308078A (en) * 1969-03-07 1973-02-21 Licentia Gmbh Data transmission systems
US3609407A (en) * 1969-06-09 1971-09-28 Tektronix Inc Automatic trigger level control circuit
US3599105A (en) * 1969-07-24 1971-08-10 Hughes Aircraft Co Amplitude discriminator with an adaptive threshold
US3599151A (en) * 1969-12-29 1971-08-10 Ibm Character recognition photosensing apparatus having a threshold comparator circuit
US3832577A (en) * 1973-06-22 1974-08-27 Ibm Threshold extraction circuitry for noisy electric waveforms
US3893180A (en) * 1974-01-02 1975-07-01 Honeywell Inf Systems Transducer positioning system
US4019048A (en) * 1976-03-22 1977-04-19 Bell Telephone Laboratories, Incorporated Regenerator for an optical transmission system

Also Published As

Publication number Publication date
US4241455A (en) 1980-12-23
DE2853353A1 (de) 1979-07-05
JPS54103723U (ja) 1979-07-21
DE2853353C3 (de) 1981-10-22
DE2853353B2 (de) 1981-03-12

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