ZA825351B - Tunable helical resonator - Google Patents

Tunable helical resonator

Info

Publication number: ZA825351B
Authority: ZA; South Africa
Prior art keywords: helical resonator; tunable helical; tunable; resonator; helical
Prior art date: 1981-08-04

Application number

ZA825351A

Other languages

English (en)

Inventor

Brown Meador Richard

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.)

1981-08-04

Filing date

1982-07-26

Publication date

1983-07-27

1982-07-26 Application filed by Motorola Inc filed Critical Motorola Inc

1983-07-27 Publication of ZA825351B publication Critical patent/ZA825351B/xx

Links

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H5/00—One-port networks comprising only passive electrical elements as network components
- H03H5/02—One-port networks comprising only passive electrical elements as network components without voltage- or current-dependent elements
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P7/00—Resonators of the waveguide type
- H01P7/005—Helical resonators; Spiral resonators

ZA825351A 1981-08-04 1982-07-26 Tunable helical resonator ZA825351B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/289,868 US4385279A (en)	1981-08-04	1981-08-04	Tunable helical resonator

Publications (1)

Publication Number	Publication Date
ZA825351B true ZA825351B (en)	1983-07-27

Family

ID=23113465

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ZA825351A ZA825351B (en)	1981-08-04	1982-07-26	Tunable helical resonator

Country Status (11)

Country	Link
US (1)	US4385279A (xx)
EP (1)	EP0089964A4 (xx)
JP (1)	JPS58501253A (xx)
AR (1)	AR229131A1 (xx)
AU (1)	AU553367B2 (xx)
BR (1)	BR8207736A (xx)
CA (1)	CA1183227A (xx)
IL (1)	IL66458A0 (xx)
MX (1)	MX151801A (xx)
WO (1)	WO1983000584A1 (xx)
ZA (1)	ZA825351B (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4630012A (en) *	1983-12-27	1986-12-16	Motorola, Inc.	Ring shaped dielectric resonator with adjustable tuning screw extending upwardly into ring opening
JP2720210B2 (ja) *	1989-08-30	1998-03-04	東光株式会社	ヘリカルフィルタ
FI84674C (fi) *	1990-02-07	1991-12-27	Lk Products Oy	Helix-resonator.
US6147577A (en) *	1998-01-15	2000-11-14	K&L Microwave, Inc.	Tunable ceramic filters
US6816037B2 (en) *	1998-11-27	2004-11-09	Mark Allan Hoffman	Helical filters and methods for specifying assembly thereof
US6084487A (en) *	1998-11-27	2000-07-04	Hoffman; Mark Allan	Helical filter with a removable tap housing
FR2835092B1 (fr) *	2002-01-23	2004-03-05	Bruker Biospin Sa	Module de filtre de type l-c et filtre helicoidal compose d'au moins deux tels modules
US7119641B2 (en)	2002-04-10	2006-10-10	Southbank University Enterprises, Ltd	Tuneable dielectric resonator
US7327210B2 (en) *	2004-06-15	2008-02-05	Radio Frequency Systems, Inc.	Band agile filter
ITMI20052347A1 (it) *	2005-12-06	2007-06-07	Andrew Telecomm Products S R L	Regolazione automatica della sintonia di filtri multicavita' di segnali ad alta frequenza
WO2017019738A1 (en) *	2015-07-30	2017-02-02	Laird Technologies, Inc.	Soft and/or flexible emi shields and related methods

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2502202A (en) *	1944-04-26	1950-03-28	Rca Corp	Unitary inductor and trimming capacitor
US2394391A (en) *	1944-07-22	1946-02-05	Henry L Crowley	Stable tuning device for high-frequency radio circuits
US2531231A (en) *	1945-12-04	1950-11-21	Rca Corp	Variable permeability tuning device
US2516287A (en) *	1948-05-12	1950-07-25	Sylvania Electric Prod	Tuning unit
US2566759A (en) *	1948-08-03	1951-09-04	Motorola Inc	High-frequency tuner
US2638544A (en) *	1948-09-15	1953-05-12	Raytheon Television And Radio	Cavity tuner
US2622203A (en) *	1951-07-06	1952-12-16	Mycalex Corp Of America	Variable high-frequency coil and/or tuning assembly
US2780727A (en) *	1952-03-26	1957-02-05	Telephonics Corp	Resonant circuit
US2980797A (en) *	1958-07-17	1961-04-18	Bosch Arma Corp	Variable tuner
US3247475A (en) *	1963-09-06	1966-04-19	Motorola Inc	Helical resonator with variable capacitor having fixed plate which also functions as inductance
NL133955C (xx) *	1963-12-23	1900-01-01
US3387236A (en) *	1966-06-29	1968-06-04	Gen Electric	Moving coil helical resonator
GB1264136A (xx) *	1968-10-08	1972-02-16
US3581249A (en) *	1969-01-27	1971-05-25	Gen Electric	Miniature helical resonators
US3571768A (en) *	1969-09-25	1971-03-23	Motorola Inc	Microwave resonator coupling having two coupling apertures spaced a half wavelength apart
US3621484A (en) *	1970-03-05	1971-11-16	Motorola Inc	Helical resonator having variable capacitor which includes windings of reduced diameter as one plate thereof
US3688226A (en) *	1970-07-17	1972-08-29	Victor Insetta	Tubular electronic reactor component having an embedded electrode
US3825862A (en) *	1972-11-01	1974-07-23	Alps Electric Co Ltd	Helical resonator
JPS5124152A (en) *	1974-08-21	1976-02-26	Toko Inc	Herikaru rezoneita fuiruta
US4052684A (en) *	1976-07-06	1977-10-04	Rca Corporation	Helical resonator
US4205286A (en) *	1978-02-27	1980-05-27	Motorola, Inc.	Temperature stabilized helical resonator
US4284966A (en) *	1979-12-21	1981-08-18	Motorola, Inc.	Wide bandwidth helical resonator filter

1981
- 1981-08-04 US US06/289,868 patent/US4385279A/en not_active Expired - Lifetime
1982
- 1982-07-19 AU AU88234/82A patent/AU553367B2/en not_active Ceased
- 1982-07-19 EP EP19820902583 patent/EP0089964A4/en not_active Withdrawn
- 1982-07-19 JP JP57502547A patent/JPS58501253A/ja active Pending
- 1982-07-19 WO PCT/US1982/000970 patent/WO1983000584A1/en not_active Application Discontinuation
- 1982-07-19 BR BR8207736A patent/BR8207736A/pt unknown
- 1982-07-23 CA CA000407988A patent/CA1183227A/en not_active Expired
- 1982-07-26 ZA ZA825351A patent/ZA825351B/xx unknown
- 1982-08-03 IL IL66458A patent/IL66458A0/xx not_active IP Right Cessation
- 1982-08-03 MX MX193875A patent/MX151801A/es unknown
- 1982-08-04 AR AR290222A patent/AR229131A1/es active

Also Published As

Publication number	Publication date
CA1183227A (en)	1985-02-26
AU8823482A (en)	1983-02-22
EP0089964A4 (en)	1984-02-07
IL66458A0 (en)	1982-12-31
MX151801A (es)	1985-03-18
EP0089964A1 (en)	1983-10-05
US4385279A (en)	1983-05-24
BR8207736A (pt)	1983-07-19
AR229131A1 (es)	1983-06-15
JPS58501253A (ja)	1983-07-28
AU553367B2 (en)	1986-07-10
WO1983000584A1 (en)	1983-02-17

Publication	Publication Date	Title
GB2129228B (en)	1986-06-18	Dielectric resonator
GB2133240B (en)	1986-06-25	Tunable waveguide oscillator
DE3374653D1 (en)	1988-01-07	Tunable stethoscope
GB2105918B (en)	1985-04-03	Dielectric filter
JPS56146304A (en)	1981-11-13	Coaxial resonator
GB2081007B (en)	1985-06-05	Piezo-electric resonator assembly
DE3176879D1 (en)	1988-10-20	Stress-compensated quartz resonators
EP0088548A3 (en)	1985-07-31	Piezoelectric resonators
EP0069785A4 (en)	1983-06-09	SEMI-COAXIAL CAVITY RESONATOR FILTER.
ZA825351B (en)	1983-07-27	Tunable helical resonator
DE3167430D1 (en)	1985-01-10	Piezoelectric resonator
GB8411968D0 (en)	1984-06-13	Covibrating resonator
GB2092402B (en)	1984-06-13	Switched tunable frequency multiplier
JPS55132118A (en)	1980-10-14	Piezooelectric resonator
EP0154703A3 (en)	1987-06-24	Resonator
JPS56102003A (en)	1981-08-15	Porcelain for dielectric resonator
GB2069232B (en)	1983-10-19	Piezoelectric resonator
AU553024B2 (en)	1986-07-03	Tuning
GB2015265B (en)	1982-04-15	Temperature stabilized helical resonator
GB2131601B (en)	1986-06-11	Tunable magnetron of the coaxial-vacuum type
GB2039438B (en)	1983-03-02	Tunable oscillator
ZA822384B (en)	1983-03-30	Laser resonator
GB2129226B (en)	1986-02-26	Resonator arrangements
AU8209082A (en)	1982-10-19	Helical resonator filter
JPS53144644A (en)	1978-12-16	Helical resonator filter