GB1376046A - Radio receiving antenna systems - Google Patents

Radio receiving antenna systems

Info

Publication number: GB1376046A
Authority: GB; United Kingdom
Prior art keywords: unit; port; units; ports; aerial
Prior art date: 1971-08-13
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

GB3137172A

Other languages

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.)

Siemens Corp

Original Assignee

Siemens 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.)

1971-08-13

Filing date

1972-07-05

Publication date

1974-12-04

1972-07-05 Application filed by Siemens Corp filed Critical Siemens Corp

1974-12-04 Publication of GB1376046A publication Critical patent/GB1376046A/en

Status Expired legal-status Critical Current

Classifications

- 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
- H03H7/46—Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
- H03H7/466—Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source particularly adapted as input circuit for receivers
- 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
- H04H20/77—Wired systems using carrier waves
- H04H20/78—CATV [Community Antenna Television] systems
- H04H20/79—CATV [Community Antenna Television] systems using downlink of the CATV systems, e.g. audio broadcast via CATV network
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H40/00—Arrangements specially adapted for receiving broadcast information
- H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving
- H04H40/27—Arrangements characterised by circuits or components specially adapted for receiving specially adapted for broadcast systems covered by groups H04H20/53 - H04H20/95

Landscapes

Engineering & Computer Science (AREA)
Signal Processing (AREA)
Multimedia (AREA)
Mobile Radio Communication Systems (AREA)
Radio Transmission System (AREA)
Variable-Direction Aerials And Aerial Arrays (AREA)
Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)

GB3137172A 1971-08-13 1972-07-05 Radio receiving antenna systems Expired GB1376046A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19712140722 DE2140722C3 (de)	1971-08-13	1971-08-13	Empfangsantennenanordnung für den UKW-Tonrundfunkbereich

Publications (1)

Publication Number	Publication Date
GB1376046A true GB1376046A (en)	1974-12-04

Family

ID=5816724

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB3137172A Expired GB1376046A (en)	1971-08-13	1972-07-05	Radio receiving antenna systems

Country Status (5)

Country	Link
CH (1)	CH545558A (nl)
DE (1)	DE2140722C3 (nl)
GB (1)	GB1376046A (nl)
IT (1)	IT963842B (nl)
NL (1)	NL178553C (nl)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3942626C1 (nl) *	1989-12-22	1991-01-31	Richard Hirschmann Gmbh & Co, 7300 Esslingen, De

1971
- 1971-08-13 DE DE19712140722 patent/DE2140722C3/de not_active Expired
1972
- 1972-04-26 CH CH545558D patent/CH545558A/xx not_active IP Right Cessation
- 1972-06-20 NL NL7208424A patent/NL178553C/nl not_active IP Right Cessation
- 1972-07-05 GB GB3137172A patent/GB1376046A/en not_active Expired
- 1972-08-09 IT IT2801472A patent/IT963842B/it active

Also Published As

Publication number	Publication date
NL178553C (nl)	1986-04-01
CH545558A (nl)	1974-01-31
DE2140722A1 (de)	1973-02-15
DE2140722C3 (de)	1978-10-05
NL7208424A (nl)	1973-02-15
NL178553B (nl)	1985-11-01
IT963842B (it)	1974-01-21
DE2140722B2 (de)	1978-02-02

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Legal Events

Date	Code	Title	Description
1975-04-16	PS	Patent sealed
1981-02-18	PCNP	Patent ceased through non-payment of renewal fee