FR2204904A1 - - Google Patents

Info

Publication number: FR2204904A1
Authority: FR; France
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

FR7337544A

Other languages

Other versions

FR2204904B1 (es

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 AG

Siemens Corp

Original Assignee

Siemens AG

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.)

1972-10-30

Filing date

1973-10-22

Publication date

1974-05-24

1973-10-22 Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG

1974-05-24 Publication of FR2204904A1 publication Critical patent/FR2204904A1/fr

1978-02-10 Application granted granted Critical

1978-02-10 Publication of FR2204904B1 publication Critical patent/FR2204904B1/fr

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/32—Non-reciprocal transmission devices
- H01P1/38—Circulators
- H01P1/383—Junction circulators, e.g. Y-circulators
- H01P1/387—Strip line circulators

FR7337544A 1972-10-30 1973-10-22 Expired FR2204904B1 (es)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2253175A DE2253175A1 (de)	1972-10-30	1972-10-30	Zirkulator mit in mic-technik ausgebildeten anschlussarmen

Publications (2)

Publication Number	Publication Date
FR2204904A1 true FR2204904A1 (es)	1974-05-24
FR2204904B1 FR2204904B1 (es)	1978-02-10

Family

ID=5860424

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR7337544A Expired FR2204904B1 (es)	1972-10-30	1973-10-22

Country Status (15)

Country	Link
US (1)	US3922620A (es)
AT (1)	AT336686B (es)
BE (1)	BE806742A (es)
CA (1)	CA995770A (es)
CH (1)	CH559971A5 (es)
DE (1)	DE2253175A1 (es)
FR (1)	FR2204904B1 (es)
GB (1)	GB1450803A (es)
HU (1)	HU167845B (es)
IT (1)	IT999000B (es)
LU (1)	LU68709A1 (es)
NL (1)	NL154628B (es)
PL (1)	PL87136B1 (es)
SE (1)	SE394768B (es)
ZA (1)	ZA738292B (es)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4034377A (en) *	1976-02-17	1977-07-05	Epsilon Lambda Electronics Corporation	Ferrite circulators and isolators and circuits incorporating the same
US4286135A (en) *	1979-10-09	1981-08-25	Raytheon Company	Compact microwave isolator
FR2531272B1 (fr) *	1982-07-27	1985-09-13	Thomson Csf	Dispositif d'adaptation et d'isolement comportant un circulateur a ferrites
US4789844A (en) *	1987-05-29	1988-12-06	Raytheon Company	Broad-band non-reciprocal microwave devices
FR2659499B1 (fr) *	1990-03-09	1992-11-27	Tekelec Airtronic Sa	Systeme de transmission d'energie electrique, aux hyperfrequences, a effet gyromagnetique, tel que circulateur, isolateur ou filtre.
US5653841A (en) *	1995-04-13	1997-08-05	Martin Marietta Corporation	Fabrication of compact magnetic circulator components in microwave packages using high density interconnections
JP3348669B2 (ja)	1998-03-30	2002-11-20	株式会社村田製作所	非可逆回路素子

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3466571A (en) *	1968-02-28	1969-09-09	Motorola Inc	High peak power waveguide junction circulators having inductive posts in each port for tuning circulator
US3662291A (en) *	1970-06-19	1972-05-09	E & M Lab	Waveguide ferrite circulator having conductive side of dielectric disc in contact with ferrite

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3165711A (en) *	1960-06-10	1965-01-12	Bendix Corp	Anisotropic circulator with dielectric posts adjacent the strip line providing discontinuity for minimizing reflections
US3324418A (en) *	1964-10-23	1967-06-06	Caswell Electronics Corp	Switching circulator having slots extending from the pole pieces to the exterior of the housing to overcome the shorted-turn effect
US3456213A (en) *	1966-12-19	1969-07-15	Rca Corp	Single ground plane junction circulator having dielectric substrate

1972
- 1972-10-30 DE DE2253175A patent/DE2253175A1/de not_active Withdrawn
1973
- 1973-10-12 GB GB4770873A patent/GB1450803A/en not_active Expired
- 1973-10-19 AT AT889773A patent/AT336686B/de not_active IP Right Cessation
- 1973-10-22 FR FR7337544A patent/FR2204904B1/fr not_active Expired
- 1973-10-24 US US409251A patent/US3922620A/en not_active Expired - Lifetime
- 1973-10-24 NL NL737314636A patent/NL154628B/xx unknown
- 1973-10-25 CH CH1503073A patent/CH559971A5/xx not_active IP Right Cessation
- 1973-10-26 IT IT30623/73A patent/IT999000B/it active
- 1973-10-26 CA CA184,318A patent/CA995770A/en not_active Expired
- 1973-10-26 PL PL1973166131A patent/PL87136B1/pl unknown
- 1973-10-26 ZA ZA738292A patent/ZA738292B/xx unknown
- 1973-10-29 HU HUSI1353A patent/HU167845B/hu unknown
- 1973-10-29 LU LU68709A patent/LU68709A1/xx unknown
- 1973-10-30 BE BE137259A patent/BE806742A/xx unknown
- 1973-10-30 SE SE7314723A patent/SE394768B/xx unknown

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3466571A (en) *	1968-02-28	1969-09-09	Motorola Inc	High peak power waveguide junction circulators having inductive posts in each port for tuning circulator
US3662291A (en) *	1970-06-19	1972-05-09	E & M Lab	Waveguide ferrite circulator having conductive side of dielectric disc in contact with ferrite

Also Published As

Publication number	Publication date
USB409251I5 (es)	1975-01-28
AT336686B (de)	1977-05-25
LU68709A1 (es)	1974-01-08
CH559971A5 (es)	1975-03-14
DE2253175A1 (de)	1974-05-09
SE394768B (sv)	1977-07-04
ZA738292B (en)	1974-10-30
GB1450803A (en)	1976-09-29
NL7314636A (es)	1974-05-02
BE806742A (fr)	1974-02-15
PL87136B1 (es)	1976-06-30
IT999000B (it)	1976-02-20
ATA889773A (de)	1976-09-15
NL154628B (nl)	1977-09-15
FR2204904B1 (es)	1978-02-10
HU167845B (es)	1975-12-25
US3922620A (en)	1975-11-25
CA995770A (en)	1976-08-24

Publication	Publication Date	Title
FR2204904B1 (es)	1978-02-10
JPS4875227A (es)	1973-10-11
JPS5136831B2 (es)	1976-10-12
JPS5144823B2 (es)	1976-12-01
JPS521631Y2 (es)	1977-01-14
JPS5231028B2 (es)	1977-08-12
JPS49104157U (es)	1974-09-06
JPS49162A (es)	1974-01-05
JPS4933764U (es)	1974-03-25
JPS4925041U (es)	1974-03-04
CH593278A5 (es)	1977-11-30
CH580887A5 (es)	1976-10-15
NL7300842A (es)	1973-07-24
NL7306206A (es)	1974-05-01
CH577505A5 (es)	1976-07-15
CH602860A5 (es)	1978-08-15
CH602842A5 (es)	1978-08-15
CH602757A5 (es)	1978-07-31
CH601174A5 (es)	1978-06-30
CH576111A5 (es)	1976-05-31
CH593273A5 (es)	1977-11-30
CH592812A5 (es)	1977-11-15
CH591430A5 (es)	1977-09-15
CH588589B5 (es)	1977-06-15
CH587297A5 (es)	1977-04-29

Legal Events

Date	Code	Title	Description
1981-08-28	ST	Notification of lapse