GB1516605A - Radiofrequency signal-distribution device - Google Patents

Radiofrequency signal-distribution device

Info

Publication number
GB1516605A
GB1516605A GB3142/77A GB314277A GB1516605A GB 1516605 A GB1516605 A GB 1516605A GB 3142/77 A GB3142/77 A GB 3142/77A GB 314277 A GB314277 A GB 314277A GB 1516605 A GB1516605 A GB 1516605A
Authority
GB
United Kingdom
Prior art keywords
line
input
lengths
uhf
coupling loop
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.)
Expired
Application number
GB3142/77A
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1516605A publication Critical patent/GB1516605A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/48—Networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source
    • H03H7/482—Networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source particularly adapted for use in common antenna systems
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Filters And Equalizers (AREA)
GB3142/77A 1976-01-29 1977-01-26 Radiofrequency signal-distribution device Expired GB1516605A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7600891,A NL171406C (nl) 1976-01-29 1976-01-29 Hoogfrequent-signaalverdeelinrichting voor toepassing in kabeltelevisie-systemen.

Publications (1)

Publication Number Publication Date
GB1516605A true GB1516605A (en) 1978-07-05

Family

ID=19825532

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3142/77A Expired GB1516605A (en) 1976-01-29 1977-01-26 Radiofrequency signal-distribution device

Country Status (10)

Country Link
US (1) US4079319A (https=)
JP (1) JPS5293221A (https=)
BE (1) BE850813A (https=)
CH (1) CH614326A5 (https=)
DE (1) DE2701819C2 (https=)
DK (1) DK33277A (https=)
FR (1) FR2340007A1 (https=)
GB (1) GB1516605A (https=)
IT (1) IT1082383B (https=)
NL (1) NL171406C (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT379920B (de) * 1982-10-06 1986-03-10 Hans Dipl Ing Szakaly Richtkoppler in mikrostriptechnik

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5582882U (https=) * 1978-12-04 1980-06-07
US4612548A (en) * 1984-06-01 1986-09-16 Raytheon Company Multi-port radio frequency networks for an antenna array
US4633202A (en) * 1984-12-24 1986-12-30 Rca Corporation Local area network system with constant tap level
DE3640937C2 (de) * 1986-11-29 1995-09-21 Daimler Benz Aerospace Ag Mikrowellen-Leistungsteiler
GB8902092D0 (en) * 1989-01-31 1989-03-22 Raychem Gmbh Catv splitter box
US5107232A (en) * 1990-07-02 1992-04-21 Westinghouse Electric Corp. Wideband stripline divider having meander input lines disposed in a trough
US5425027A (en) * 1993-01-04 1995-06-13 Com21, Inc. Wide area fiber and TV cable fast packet cell network
DE4327117C2 (de) * 1993-08-16 1995-04-13 Spaun Electronic Gmbh Einrichtung für eine Antennenanlage zum Verteilen eines Satellitenempfangssignales
GB201604054D0 (en) * 2016-03-09 2016-04-20 Technetix Bv Cable network device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH392645A (de) * 1960-04-21 1965-05-31 Siemens Ag Anordnung zur Verteilung empfangener HF-Energie mit Anschlusssteckdose zum Anschluss von Rundfunk- und/oder Fernsehgeräten an Antennenanlagen
BE637477A (https=) * 1962-09-17
US3164790A (en) * 1963-02-12 1965-01-05 Boeing Co Sinuously folded quarter wave stripline directional coupler
DE1276146B (de) * 1963-03-04 1968-08-29 Siemens Ag Abzweigschaltung fuer Gemeinschaftsantennenanlagen
US3535640A (en) * 1966-06-16 1970-10-20 Anaconda Wire & Cable Co Reduction of distortion and losses in cable television distribution systems
US3460069A (en) * 1968-01-12 1969-08-05 Ibm Directional coupler unit having a plurality of stripline couplers
DE1616405A1 (de) * 1968-03-01 1971-04-15 Kathrein Werke Kg Gabelweiche,insbesondere fuer Gemeinschaftsantennenanlagen
DE2065525C3 (de) * 1970-09-09 1978-04-27 Siemens Ag, 1000 Berlin Und 8000 Muenchen Einrichtung zur Einspeisung einer hochfrequenten über ein Parallelkreisfilter ankommenden Signalenergie in eine durchgehende Leitung
CA899475A (en) * 1970-10-20 1972-05-02 Lindsay Specialty Products Limited Signal routing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT379920B (de) * 1982-10-06 1986-03-10 Hans Dipl Ing Szakaly Richtkoppler in mikrostriptechnik

Also Published As

Publication number Publication date
NL7600891A (nl) 1977-08-02
FR2340007B1 (https=) 1984-10-19
US4079319A (en) 1978-03-14
DE2701819A1 (de) 1977-08-04
FR2340007A1 (fr) 1977-08-26
IT1082383B (it) 1985-05-21
CH614326A5 (https=) 1979-11-15
BE850813A (fr) 1977-07-27
DK33277A (da) 1977-07-30
JPS576861B2 (https=) 1982-02-06
JPS5293221A (en) 1977-08-05
DE2701819C2 (de) 1983-01-05
NL171406B (nl) 1982-10-18
NL171406C (nl) 1983-03-16

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee