DK388077A - Kobling til indbyrdes afkoblet tilkobling af flere sendere - Google Patents

Kobling til indbyrdes afkoblet tilkobling af flere sendere

Info

Publication number: DK388077A
Authority: DK; Denmark
Prior art keywords: connection; several transmitters; mutual disconnected; mutual; transmitters
Prior art date: 1976-09-01

Application number

DK388077A

Other languages

English (en)

Other versions

DK144399B (da

DK144399C (da

Inventor

D J Braak

Original Assignee

Tekade Felten & Guilleaume

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.)

1976-09-01

Filing date

1977-08-31

Publication date

1978-03-02

1977-08-31 Application filed by Tekade Felten & Guilleaume filed Critical Tekade Felten & Guilleaume

1978-03-02 Publication of DK388077A publication Critical patent/DK388077A/da

1982-03-01 Publication of DK144399B publication Critical patent/DK144399B/da

1982-09-06 Application granted granted Critical

1982-09-06 Publication of DK144399C publication Critical patent/DK144399C/da

Links

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system

DK388077A 1976-09-01 1977-08-31 Kobling til tilkobling af flere sendere til et antennesystem uden gensidig tilbagekobling DK144399C (da)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE2639348		1976-09-01
DE2639348A DE2639348C2 (de)	1976-09-01	1976-09-01	Schaltungsanordnung zum gegenseitigen entkoppelten Anschalten mehrerer Sender unterschiedlicher Sendefrequenzen an ein Antennensystem

Publications (3)

Publication Number	Publication Date
DK388077A true DK388077A (da)	1978-03-02
DK144399B DK144399B (da)	1982-03-01
DK144399C DK144399C (da)	1982-09-06

Family

ID=5986909

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK388077A DK144399C (da)	1976-09-01	1977-08-31	Kobling til tilkobling af flere sendere til et antennesystem uden gensidig tilbagekobling

Country Status (12)

Country	Link
US (1)	US4148038A (da)
AT (1)	AT359132B (da)
AU (1)	AU509501B2 (da)
CH (1)	CH623428A5 (da)
DE (1)	DE2639348C2 (da)
DK (1)	DK144399C (da)
FR (1)	FR2363936A1 (da)
GB (1)	GB1555591A (da)
IT (1)	IT1085165B (da)
NL (1)	NL7709525A (da)
NO (1)	NO149191C (da)
SE (1)	SE437316C (da)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3004817A1 (de) *	1980-02-09	1981-08-20	Deutsche Bundespost vertreten durch den Präsidenten des Fernmeldetechnischen Zentralamtes, 6100 Darmstadt	Schaltungsanordnung zum gegeneinander entkoppelten anschalten mehrerer sender an ein antennensystem
GB2176057B (en) *	1985-05-17	1989-11-15	Marconi Co Ltd	Radar antenna array
US4833485A (en) *	1985-05-17	1989-05-23	The Marconi Company Limited	Radar antenna array
FR2627015B1 (fr) *	1988-02-08	1991-02-01	Applic Rech Electro Ste	Antenne omnidirectionnelle multiacces
GB2279504A (en) *	1993-06-19	1995-01-04	Mercury Personal Communication	Antenna system
GB2304496A (en) *	1995-08-17	1997-03-19	Motorola Ltd	Coupling radio transmitters to antenna elements
US5781066A (en) *	1996-03-11	1998-07-14	The Mitre Corporation	Pulse waveform generator

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2318237A (en) *	1940-06-08	1943-05-04	Rca Corp	Antenna feed system
US3273067A (en) *	1963-03-28	1966-09-13	Whittaker Corp	Hybrid ring multicoupler for a plurality of pairs of transmitters
US3226724A (en) *	1963-07-05	1965-12-28	Brueckmann Helmut	Multiple antenna multiplex system
FR1442904A (fr) *	1964-08-07	1966-06-17	Marconi Co Ltd	Dispositif combinant les signaux à fréquence radio
US3295134A (en) *	1965-11-12	1966-12-27	Sanders Associates Inc	Antenna system for radiating directional patterns
US3518695A (en) *	1967-09-07	1970-06-30	Collins Radio Co	Antenna array multifrequency and beam steering control multiplex feed
US3641578A (en) *	1970-07-21	1972-02-08	Itt	Discone antenna
US4101901A (en) *	1975-12-22	1978-07-18	Motorola, Inc.	Interleaved antenna array for use in a multiple input antenna system

1976
- 1976-09-01 DE DE2639348A patent/DE2639348C2/de not_active Expired
- 1976-09-28 AT AT718576A patent/AT359132B/de not_active IP Right Cessation
1977
- 1977-08-26 GB GB35904/77A patent/GB1555591A/en not_active Expired
- 1977-08-29 US US05/828,627 patent/US4148038A/en not_active Expired - Lifetime
- 1977-08-29 NO NO772983A patent/NO149191C/no unknown
- 1977-08-30 SE SE7709739A patent/SE437316C/xx not_active IP Right Cessation
- 1977-08-30 NL NL7709525A patent/NL7709525A/xx not_active Application Discontinuation
- 1977-08-31 FR FR7726496A patent/FR2363936A1/fr active Granted
- 1977-08-31 CH CH1062877A patent/CH623428A5/de not_active IP Right Cessation
- 1977-08-31 IT IT27111/77A patent/IT1085165B/it active
- 1977-08-31 DK DK388077A patent/DK144399C/da not_active IP Right Cessation
- 1977-09-01 AU AU28446/77A patent/AU509501B2/en not_active Expired

Also Published As

Publication number	Publication date
FR2363936A1 (fr)	1978-03-31
DE2639348B1 (de)	1977-12-22
DK144399B (da)	1982-03-01
CH623428A5 (da)	1981-05-29
AU2844677A (en)	1979-03-08
IT1085165B (it)	1985-05-28
FR2363936B1 (da)	1984-08-31
NO149191B (no)	1983-11-21
AU509501B2 (en)	1980-05-15
NO149191C (no)	1984-02-29
SE7709739L (sv)	1978-03-02
NL7709525A (nl)	1978-03-03
AT359132B (de)	1980-10-27
NO772983L (no)	1978-03-02
DE2639348C2 (de)	1978-08-10
SE437316B (sv)	1985-02-18
GB1555591A (en)	1979-11-14
ATA718576A (de)	1980-03-15
SE437316C (sv)	1987-08-17
US4148038A (en)	1979-04-03
DK144399C (da)	1982-09-06

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Legal Events

Date	Code	Title	Description
1992-04-21	PBP	Patent lapsed