FR2425180A1 - Circuit de commutation pour cables coaxiaux - Google Patents

Circuit de commutation pour cables coaxiaux

Info

Publication number
FR2425180A1
FR2425180A1 FR7904448A FR7904448A FR2425180A1 FR 2425180 A1 FR2425180 A1 FR 2425180A1 FR 7904448 A FR7904448 A FR 7904448A FR 7904448 A FR7904448 A FR 7904448A FR 2425180 A1 FR2425180 A1 FR 2425180A1
Authority
FR
France
Prior art keywords
coaxial cables
switching circuit
cable
coaxial
comparator
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.)
Withdrawn
Application number
FR7904448A
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.)
Data 100 Corp
Original Assignee
Data 100 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 Data 100 Corp filed Critical Data 100 Corp
Publication of FR2425180A1 publication Critical patent/FR2425180A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/10—Adaptations for transmission by electrical cable
    • H04N7/102—Circuits therefor, e.g. noise reducers, equalisers, amplifiers
    • H04N7/104—Switchers or splitters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
    • H01H47/02—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay
    • H01H47/20—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for modifying the operation of the relay for producing frequency-selective operation of the relay

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Dc Digital Transmission (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Electronic Switches (AREA)
  • Picture Signal Circuits (AREA)

Abstract

CIRCUIT DE COMMUTATION POUR CABLES COAXIAUX. IL COMPORTE UN COMPARATEUR DIFFERENTIEL 40 RELIE A UN CABLE 15 QUI DOIT ETRE COMMUTE DE MANIERE A EN RECEVOIR UNE IMPULSION DE COMMUTATION; LA SORTIE DU COMPARATEUR 40 EST RELIEE A UN DISCRIMINATEUR 55 DE DUREE D'IMPULSIONS QUI COMMANDE A SON TOUR UN COMMUTATEUR 75, 76 QUI PERMET DE RELIER SELECTIVEMENT LEDIT CABLE COAXIAL 15 A DEUX AUTRES CABLES COAXIAUX 16, 17. APPLICATION : CIRCUITS D'IMAGE.
FR7904448A 1978-02-21 1979-02-21 Circuit de commutation pour cables coaxiaux Withdrawn FR2425180A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/879,744 US4271403A (en) 1978-02-21 1978-02-21 Coaxial cable switching circuit

Publications (1)

Publication Number Publication Date
FR2425180A1 true FR2425180A1 (fr) 1979-11-30

Family

ID=25374803

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7904448A Withdrawn FR2425180A1 (fr) 1978-02-21 1979-02-21 Circuit de commutation pour cables coaxiaux

Country Status (7)

Country Link
US (1) US4271403A (fr)
JP (1) JPS54112113A (fr)
CA (1) CA1136227A (fr)
DE (1) DE2906750A1 (fr)
FR (1) FR2425180A1 (fr)
GB (1) GB2014816A (fr)
NL (1) NL7901353A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4464658A (en) * 1982-03-05 1984-08-07 At&T Laboratories Multipoint data communication system with collision detection
DE3424931A1 (de) * 1984-07-06 1986-02-06 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Audio/video-adapter fuer audio-visuelle geraete
US4761827A (en) * 1984-09-17 1988-08-02 Satellite Technology Services, Inc. Polarity switch for satellite television receiver
US4672687A (en) * 1985-01-29 1987-06-09 Satellite Technology Services, Inc. Polarity switch for satellite television receiver
JPH0611143B2 (ja) * 1986-08-29 1994-02-09 シャープ株式会社 通信インタフエ−ス回路
JPH027895A (ja) * 1988-06-27 1990-01-11 Fujitsu Ltd コントロールパルス発生回路
DE4035459C1 (fr) * 1990-11-08 1992-05-14 Messerschmitt-Boelkow-Blohm Gmbh, 8012 Ottobrunn, De
ATE136719T1 (de) * 1991-01-23 1996-04-15 Siemens Ag Verfahren zur ersatzschaltung eines datenstroms
US5721844A (en) * 1995-10-30 1998-02-24 Chang; Chia-Chi Multifunctional data switch

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3086174A (en) * 1960-09-07 1963-04-16 Avco Corp Signal energy discriminator
GB1057634A (en) * 1962-10-03 1967-02-01 Fernseh Gmbh Circuit arrangements for the transmission of signals over an unbalanced circuit
DE1814986A1 (de) * 1967-12-18 1969-08-21 Bendix Corp Pegeldetektor
US3691295A (en) * 1970-03-31 1972-09-12 Ibm Two-way communication system for video and digital data
US3827026A (en) * 1971-01-04 1974-07-30 Honeywell Inf Systems Encoding technique for enabling a device to process different types of digital information transmitted along a single information channel
US3845240A (en) * 1972-10-16 1974-10-29 Gte Automatic Electric Lab Inc Sync pulse detector for video telephone system
US3862356A (en) * 1972-01-07 1975-01-21 Tektronix Inc Television picture monitor capable of measuring a plurality of signals
US4048620A (en) * 1974-10-02 1977-09-13 Kinney Safety Systems, Inc. Central station to addressed point communication system

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB757799A (en) * 1953-05-15 1956-09-26 Pye Ltd Wired broadcasting system
US3654708A (en) * 1969-05-26 1972-04-11 Westinghouse Learning Corp Computer-assisted instruction via video telephone
JPS4841722B1 (fr) * 1969-06-13 1973-12-08
GB1314457A (en) * 1970-11-12 1973-04-26 Communications Patents Ltd Wired broadcasting systems
US3828263A (en) * 1971-08-09 1974-08-06 Physics Int Co Demodulator for frequency-burst-duration modulated signals
US3828281A (en) * 1973-02-26 1974-08-06 Lorain Prod Corp Impedance simulating circuit for transmission lines
US3869564A (en) * 1973-08-30 1975-03-04 American Electronic Lab Trunk switching system
US4037250A (en) * 1974-08-22 1977-07-19 Mcgahan Everett G Video switcher
US4129855A (en) * 1977-07-15 1978-12-12 Rodrian J Animal identification system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3086174A (en) * 1960-09-07 1963-04-16 Avco Corp Signal energy discriminator
GB1057634A (en) * 1962-10-03 1967-02-01 Fernseh Gmbh Circuit arrangements for the transmission of signals over an unbalanced circuit
DE1814986A1 (de) * 1967-12-18 1969-08-21 Bendix Corp Pegeldetektor
US3691295A (en) * 1970-03-31 1972-09-12 Ibm Two-way communication system for video and digital data
US3827026A (en) * 1971-01-04 1974-07-30 Honeywell Inf Systems Encoding technique for enabling a device to process different types of digital information transmitted along a single information channel
US3862356A (en) * 1972-01-07 1975-01-21 Tektronix Inc Television picture monitor capable of measuring a plurality of signals
US3845240A (en) * 1972-10-16 1974-10-29 Gte Automatic Electric Lab Inc Sync pulse detector for video telephone system
US4048620A (en) * 1974-10-02 1977-09-13 Kinney Safety Systems, Inc. Central station to addressed point communication system

Also Published As

Publication number Publication date
US4271403A (en) 1981-06-02
GB2014816A (en) 1979-08-30
JPS54112113A (en) 1979-09-01
NL7901353A (nl) 1979-08-23
CA1136227A (fr) 1982-11-23
DE2906750A1 (de) 1979-10-11

Similar Documents

Publication Publication Date Title
FR2337457A1 (fr) Circuit de commutation d'une charge entre deux sources d'alimentation
JPS53119647A (en) Low power consumption complementary comparator*inverter circuit
FR2425180A1 (fr) Circuit de commutation pour cables coaxiaux
FR2317752A1 (fr) Ensemble de commutation electrique
BE846582A (fr) Dispositif de commutation pour appareils electriques d'utilisation telecommandes
JPS5436170A (en) Current mode logic switching circuit
JPS531452A (en) Current switching circuit
FR2605573B1 (fr) Dispositif de commutation electrique
BE850176A (fr) Appareil de commutation electrique
EP0055203A3 (fr) Circuit de commutation sélective pour un onduleur
FR2335051A1 (fr) Dispositif de circuit pour reduire la puissance dissipee a la coupure d'un transistor de commutation, et pour accelerer son passage a l'etat conducteur
FR2339945A1 (fr) Dispositifs de commutation electrique
FR2339175A1 (fr) Dispositif pour controler la continuite de conduction d'un circuit electrique
GR63354B (en) Microscopic conductors switch by overloading
FR2353979A1 (fr) Systeme commutateur electrique pour dispositif de commutation du courant d'alimentation pour une charge electrique bipolaire
JPS5560338A (en) Current switch logic circuit
US4082989A (en) Switching contactor circuit for five-lead two-speed single-phase motor
FR2439514B1 (fr) Circuits de commutation temporelle
AU506618B2 (en) Circuit breaker pole unit
JPS54113832A (en) Inverter device
BE880730A (fr) Circuit de commutation de puissance
FR2345801A1 (fr) Dispositif de commutation pour circuits electriques
JPS53713A (en) Power switching circuit
JPS5265635A (en) Level shift circuit
FR2303686A1 (fr) Dispositif de commutation electrique

Legal Events

Date Code Title Description
ST Notification of lapse