GB8530190D0 - Radio frequency filter - Google Patents

Radio frequency filter

Info

Publication number: GB8530190D0
Authority: GB; United Kingdom
Prior art keywords: radio frequency; frequency filter; filter; radio; frequency
Prior art date: 1983-12-19
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.): Granted

Application number

GB858530190A

Other versions

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.)

1983-12-19

Filing date

1985-12-06

Publication date

1986-01-15

1985-12-06 Application filed by Motorola Inc filed Critical Motorola Inc

1986-01-15 Publication of GB8530190D0 publication Critical patent/GB8530190D0/en

1987-06-10 Publication of GB2183928A publication Critical patent/GB2183928A/en

1989-10-11 Application granted granted Critical

1989-10-11 Publication of GB2183928B publication Critical patent/GB2183928B/en

1990-06-21 Priority to HK48690A priority Critical patent/HK48690A/en

Status Expired 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

GB8530190A 1983-12-19 1985-12-06 Radio frequency filter having a temperature compensated ceramic resonator Expired GB2183928B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
HK48690A HK48690A (en)	1985-12-06	1990-06-21	Radio frequency filter having a temperature compensated ceramic resonator

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US56290183A	1983-12-19	1983-12-19

Publications (3)

Publication Number	Publication Date
GB8530190D0 true GB8530190D0 (en)	1986-01-15
GB2183928A GB2183928A (en)	1987-06-10
GB2183928B GB2183928B (en)	1989-10-11

Family

ID=24248270

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB8530190A Expired GB2183928B (en)	1983-12-19	1985-12-06	Radio frequency filter having a temperature compensated ceramic resonator

Country Status (2)

Country	Link
FR (1)	FR2591392A1 (en)
GB (1)	GB2183928B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0728168B2 (en) *	1988-08-24	1995-03-29	株式会社村田製作所	Dielectric resonator
JPH0543606U (en) *	1991-11-01	1993-06-11	株式会社村田製作所	Resonant frequency adjustment mechanism of dielectric resonator
DE4241027C2 (en) *	1992-12-05	1997-03-20	Bosch Gmbh Robert	Tunable dielectric resonator
GB2505873B (en) *	2012-08-07	2019-10-02	Filtronic Wireless Ltd	A microwave TM mode resonator and an electrical filter including such a resonator

1985
- 1985-12-06 GB GB8530190A patent/GB2183928B/en not_active Expired
- 1985-12-10 FR FR8518273A patent/FR2591392A1/en not_active Withdrawn

Also Published As

Publication number	Publication date
GB2183928B (en)	1989-10-11
FR2591392A1 (en)	1987-06-12
GB2183928A (en)	1987-06-10

Similar Documents

Publication	Publication Date	Title
GB2165098B (en)	1988-05-25	Radio frequency filters
EP0115270A3 (en)	1987-11-11	Frequency independent antenna
GB8404638D0 (en)	1984-03-28	Radio frequency transducer
HK18588A (en)	1988-03-18	Radio receiver
GB8327656D0 (en)	1983-11-16	Reduced radio frequency interference
GB2137384B (en)	1986-08-06	Variable frequency divider
DE3476621D1 (en)	1989-03-09	Frequency detector
GB2134269B (en)	1986-07-02	Frequency counting
GB2141299B (en)	1986-11-12	Variable frequency oscillator
GB2143386B (en)	1987-01-14	Radio receiver
GB2113930B (en)	1985-03-13	Frequency discriminator
GB8321308D0 (en)	1983-09-07	Radio frequency coil
GB2188789B (en)	1990-08-01	Radio frequency filter
DE3477978D1 (en)	1989-06-01	Microwave filter
GB2138640B (en)	1986-08-28	Frequency discriminator
GB8530190D0 (en)	1986-01-15	Radio frequency filter
GB2143693B (en)	1986-09-17	Frequency changer
DE3373046D1 (en)	1987-09-17	Variable frequency oscillator
EP0100503A3 (en)	1986-02-26	High frequency narrow-band pass multi-mode filter
SG21289G (en)	1992-12-04	Variable frequency oscillator
GB8324666D0 (en)	1983-10-19	Radio receiver
GB8328264D0 (en)	1983-11-23	Variable frequency oscillators
GB8311073D0 (en)	1983-05-25	Frequency discriminators
SU1148115A1 (en)	1985-03-30	Frequency divider
PL241406A1 (en)	1984-10-22	High frequency tuner

Legal Events

Date	Code	Title	Description
2002-07-24	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20011206