GB2223361B - Radio frequency combiner - Google Patents

Radio frequency combiner

Info

Publication number: GB2223361B
Authority: GB; United Kingdom
Prior art keywords: radio frequency; frequency combiner; combiner; radio; frequency
Prior art date: 1986-04-07
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 - Lifetime

Application number

GB8924695A

Other versions

GB8924695D0 (en

GB2223361A (en

Inventor

Theodore F Longshore

Ronald J Wanat

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.)

Motorola Solutions Inc

Original Assignee

Motorola Inc

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.)

1986-04-07

Filing date

1989-11-02

Publication date

1990-08-01

1986-04-07 Priority claimed from US06/849,099 external-priority patent/US4667172A/en

1986-04-07 Priority claimed from US06/849,098 external-priority patent/US4646038A/en

1989-11-02 Application filed by Motorola Inc filed Critical Motorola Inc

1989-12-20 Publication of GB8924695D0 publication Critical patent/GB8924695D0/en

1990-04-04 Publication of GB2223361A publication Critical patent/GB2223361A/en

1990-08-01 Application granted granted Critical

1990-08-01 Publication of GB2223361B publication Critical patent/GB2223361B/en

2009-11-02 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/10—Dielectric resonators
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/20—Frequency-selective devices, e.g. filters
- H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
- H01P1/2138—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies using hollow waveguide filters

GB8924695A 1986-04-07 1989-11-02 Radio frequency combiner Expired - Lifetime GB2223361B (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US06/849,099 US4667172A (en)	1986-04-07	1986-04-07	Ceramic transmitter combiner with variable electrical length tuning stub and coupling loop interface
US06/849,098 US4646038A (en)	1986-04-07	1986-04-07	Ceramic resonator filter with electromagnetic shielding

Publications (3)

Publication Number	Publication Date
GB8924695D0 GB8924695D0 (en)	1989-12-20
GB2223361A GB2223361A (en)	1990-04-04
GB2223361B true GB2223361B (en)	1990-08-01

Family

ID=27126815

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
GB8708295A Expired - Lifetime GB2188789B (en)	1986-04-07	1987-04-07	Radio frequency filter
GB8924695A Expired - Lifetime GB2223361B (en)	1986-04-07	1989-11-02	Radio frequency combiner

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
GB8708295A Expired - Lifetime GB2188789B (en)	1986-04-07	1987-04-07	Radio frequency filter

Country Status (3)

Country	Link
FR (2)	FR2606936B1 (en)
GB (2)	GB2188789B (en)
HK (2)	HK16594A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4902991A (en) *	1987-03-12	1990-02-20	Murata Manufacturing Co., Ltd.	Radio frequency signal combining/sorting device
JPH0728168B2 (en) *	1988-08-24	1995-03-29	株式会社村田製作所	Dielectric resonator
GB9002120D0 (en) *	1990-01-31	1990-03-28	Marconi Co Ltd	Dielectric resonant oscillator
DE9017913U1 (en) *	1990-08-02	1993-01-28	ANT Nachrichtentechnik GmbH, 7150 Backnang	Crossover
JP3135628B2 (en) *	1991-09-12	2001-02-19	株式会社日本コンラックス	Banknote recognition device
GB2292484B (en) *	1994-08-17	1997-09-17	Continental Microwave Technolo	Microwave transmit/receive assembly
EP1505687A1 (en) *	2003-08-04	2005-02-09	Matsushita Electric Industrial Co., Ltd.	Dielectric resonator, dielectric filter, and method of supporting dielectric resonance element

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2866166A (en) *	1955-04-08	1958-12-23	Gen Precision Lab Inc	Microwave power divider
FR1413073A (en) *	1964-01-22	1965-10-08	Portenseigne Ets Marcel	Improvements to wireless energy distributors
DE1936543C3 (en) *	1969-07-18	1975-05-28	Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt	Device for continuously changing the runtime behavior of the runtime equalization elements used for message transmission
US3882396A (en) *	1973-08-10	1975-05-06	Bell Telephone Labor Inc	Impedance-matched waveguide frequency converter integrally mounted on stripline
US4375622A (en) *	1981-04-20	1983-03-01	Motorola, Inc.	Multiport radio frequency signal combiner
JPS59198003A (en) *	1983-04-26	1984-11-09	Nec Corp	Resonance circuit using dielectric resonator

1987
- 1987-04-07 FR FR8704905A patent/FR2606936B1/en not_active Expired - Lifetime
- 1987-04-07 GB GB8708295A patent/GB2188789B/en not_active Expired - Lifetime
1988
- 1988-08-19 FR FR8811068A patent/FR2618608A1/en not_active Withdrawn
1989
- 1989-11-02 GB GB8924695A patent/GB2223361B/en not_active Expired - Lifetime
1994
- 1994-03-03 HK HK16594A patent/HK16594A/en not_active IP Right Cessation
- 1994-03-03 HK HK16494A patent/HK16494A/en not_active IP Right Cessation

Also Published As

Publication number	Publication date
GB2188789B (en)	1990-08-01
FR2606936A1 (en)	1988-05-20
GB8708295D0 (en)	1987-05-13
FR2606936B1 (en)	1991-07-19
GB8924695D0 (en)	1989-12-20
GB2223361A (en)	1990-04-04
FR2618608A1 (en)	1989-01-27
HK16494A (en)	1994-03-11
HK16594A (en)	1994-03-11
GB2188789A (en)	1987-10-07

Publication	Publication Date	Title
GB8706722D0 (en)	1987-04-23	Radio frequency combiner
GB2195832B (en)	1990-08-15	Plane antenna
GB2187333B (en)	1989-12-06	Plane antenna
GB2194101B (en)	1991-03-27	Plane antenna
GB8628599D0 (en)	1987-01-07	Antenna
GB8700223D0 (en)	1987-02-11	Antenna
GB2169453B (en)	1989-03-01	Radio frequency antenna system
GB2189081B (en)	1990-05-30	Broad band antenna
GB8618086D0 (en)	1986-09-03	Antenna
GB2195066B (en)	1990-08-15	Radio receivers
GB8620067D0 (en)	1986-10-01	Radio frequency detector
GB2223361B (en)	1990-08-01	Radio frequency combiner
GB2209103B (en)	1991-06-05	Radio wave receivers
GB2192757B (en)	1990-08-15	Antenna
EP0271703A3 (en)	1988-07-06	Am radio transmitter
EP0255174A3 (en)	1989-10-25	Radio receiver
GB8719822D0 (en)	1987-09-30	Radio communications
GB2189114B (en)	1990-03-14	Radio receivers
GB2199449B (en)	1991-01-09	Radio transmitter arrangements
GB8616250D0 (en)	1986-08-13	Antenna
GB2167254B (en)	1989-06-01	Frequency standards
GB8709158D0 (en)	1987-05-20	High frequency switch
GB8428159D0 (en)	1984-12-12	Radio frequency synthesis
GB8519588D0 (en)	1985-09-11	Radio frequency coupler
GB2212021B (en)	1991-07-03	Radio frequency generator

Legal Events

Date	Code	Title	Description
2001-11-28	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20010407