EP0224900A3 - Radio frequency switching, regulation, amplification and/or attenuation system - Google Patents

Radio frequency switching, regulation, amplification and/or attenuation system Download PDF

Info

Publication number
EP0224900A3
EP0224900A3 EP86116650A EP86116650A EP0224900A3 EP 0224900 A3 EP0224900 A3 EP 0224900A3 EP 86116650 A EP86116650 A EP 86116650A EP 86116650 A EP86116650 A EP 86116650A EP 0224900 A3 EP0224900 A3 EP 0224900A3
Authority
EP
European Patent Office
Prior art keywords
regulation
control
attenuation
power supply
amplification
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Withdrawn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
EP86116650A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0224900A2 (en
Inventor
Tino Giuseppe Motta
Natale Motta
Emilia Zappa
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0224900A2 publication Critical patent/EP0224900A2/en
Publication of EP0224900A3 publication Critical patent/EP0224900A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/65—Arrangements characterised by transmission systems for broadcast
    • H04H20/76—Wired systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
EP86116650A 1985-12-03 1986-12-01 Radio frequency switching, regulation, amplification and/or attenuation system Withdrawn EP0224900A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2307885 1985-12-03
IT23078/85A IT1186228B (it) 1985-12-03 1985-12-03 Sistema di commutazione,regolazione,amplificazione e/o attenuazione applicabile a selettori,amplificatori e convertitori r.f. ed utilizzabile per la realizzazione di sistemi di sistemi di ricezione radio e televisi o simili,fissi o portatili

Publications (2)

Publication Number Publication Date
EP0224900A2 EP0224900A2 (en) 1987-06-10
EP0224900A3 true EP0224900A3 (en) 1989-09-06

Family

ID=11203539

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86116650A Withdrawn EP0224900A3 (en) 1985-12-03 1986-12-01 Radio frequency switching, regulation, amplification and/or attenuation system

Country Status (2)

Country Link
EP (1) EP0224900A3 (it)
IT (1) IT1186228B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9008898D0 (en) * 1990-04-20 1990-06-20 Ferguson Ltd Receiver for satellite reception
GB9103713D0 (en) * 1991-02-22 1991-04-10 Amstrad Plc Improvements relating to television systems
GB2268346B (en) * 1992-06-25 1996-01-17 Millroy John Robert Interference eliminator
DE29611630U1 (de) * 1996-07-04 1996-09-05 Spaun-electronic GmbH, 78224 Singen Abzweigeinrichtung für eine Satellitenempfangsanlage
GB2385473B (en) * 2002-02-04 2005-11-30 Novapal Ltd Apparatus for receiving broadcasts
DE102005060284B4 (de) * 2005-12-15 2008-02-07 Technisat Digital Gmbh Vorrichtung und Verfahren zum Umschalten zwischen auf verschiedene Weise übertragenen HF-A/V-Signalen
CN111610497A (zh) * 2020-04-09 2020-09-01 南京才华科技集团有限公司 一种能够实现无阻塞任意选通的开关矩阵

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1515098A (en) * 1974-08-06 1978-06-21 Communications Patents Ltd Wired broadcasting systems
FR2427732A1 (fr) * 1978-05-31 1979-12-28 Montorio Salvatore Dispositif de commande a distance de la position angulaire d'un rotor d'antenne
GB2081948A (en) * 1980-08-08 1982-02-24 Sony Corp Remote control arrangements
US4338632A (en) * 1980-10-06 1982-07-06 Zenith Radio Corporation Remote control system for television monitors
WO1982002303A1 (en) * 1980-12-22 1982-07-08 Roo Minno De Switching system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1515098A (en) * 1974-08-06 1978-06-21 Communications Patents Ltd Wired broadcasting systems
FR2427732A1 (fr) * 1978-05-31 1979-12-28 Montorio Salvatore Dispositif de commande a distance de la position angulaire d'un rotor d'antenne
GB2081948A (en) * 1980-08-08 1982-02-24 Sony Corp Remote control arrangements
US4338632A (en) * 1980-10-06 1982-07-06 Zenith Radio Corporation Remote control system for television monitors
WO1982002303A1 (en) * 1980-12-22 1982-07-08 Roo Minno De Switching system

Also Published As

Publication number Publication date
IT8523078A0 (it) 1985-12-03
EP0224900A2 (en) 1987-06-10
IT1186228B (it) 1987-11-18

Similar Documents

Publication Publication Date Title
GB8301275D0 (en) Power saving radio circuits
KR940002815B1 (en) High capacity sectorized cellular communication system
EP0224900A3 (en) Radio frequency switching, regulation, amplification and/or attenuation system
AU6233298A (en) Substation
JPS5752265A (en) Switching regulator for power source adapted for television receiver
EP0387516A3 (de) Kombination eines Autoradios mit anderen Kommunikationsmitteln
DE3376788D1 (en) Information transmission system
JPS5359185A (en) Remote control signal system
AU561010B2 (en) Television receiver standby circuit
AU7215891A (en) Combinatorial circuit component
WO1997010650A3 (de) Funkgerät mit mehreren frequenzbereichen
GB9002366D0 (en) Radio signal polarisation switching arrangement
CA2246954A1 (en) Signal distributing/synthesizing apparatus
JPS57131181A (en) Automatic switching device of antenna
JPS5714224A (en) Comparing device for antenna reception level
JPS5531311A (en) Direct trunk setting system for multi-channel radio communication system
ATE32153T1 (de) Empfangseinrichtung zum empfang von satellitenrundfunk.
JPS648736A (en) Answer-back system
ES2068065A2 (es) Receptor multicanal de frecuencia intermedia.
ES8707345A1 (es) Sistema de radar secundario con doble canal de conmutacion para el control de trafico aereo
JPS6482827A (en) System for arranging transmitter for portable radio calling
JPS572133A (en) Tuner circuit
JPS5612188A (en) Remote control system
JPS54154305A (en) Tape recorder with radio receiver
JPS57181242A (en) Communication system for moving body

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH DE ES FR GB GR LI LU NL SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH DE ES FR GB GR LI LU NL SE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 19890103