AT299308B - FILTER FOR VERY SHORT ELECTROMAGNETIC WAVES - Google Patents

FILTER FOR VERY SHORT ELECTROMAGNETIC WAVES

Info

Publication number: AT299308B
Authority: AT; Austria
Prior art keywords: filter; electromagnetic waves; short electromagnetic; short; waves
Prior art date: 1967-10-12

Application number

AT989968A

Other languages

German (de)

Original Assignee

Siemens Ag

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.)

1967-10-12

Filing date

1968-10-10

Publication date

1972-05-15

1968-10-10 Application filed by Siemens Ag filed Critical Siemens Ag

1972-05-15 Application granted granted Critical

1972-05-15 Publication of AT299308B publication Critical patent/AT299308B/en

Classifications

- 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
- H01P1/201—Filters for transverse electromagnetic waves
- H01P1/203—Strip line filters
- H01P1/20327—Electromagnetic interstage coupling
- H01P1/20336—Comb or interdigital filters

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Control Of Motors That Do Not Use Commutators (AREA)
Burglar Alarm Systems (AREA)

AT989968A 1967-10-12 1968-10-10 FILTER FOR VERY SHORT ELECTROMAGNETIC WAVES AT299308B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE1967S0112369 DE1541990B2 (en)	1967-10-12	1967-10-12	MICROWAVE FILTER IN PRINTED CIRCUIT TECHNOLOGY

Publications (1)

Publication Number	Publication Date
AT299308B true AT299308B (en)	1972-05-15

Family

ID=7531730

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT989968A AT299308B (en)	1967-10-12	1968-10-10	FILTER FOR VERY SHORT ELECTROMAGNETIC WAVES

Country Status (8)

Country	Link
AT (1)	AT299308B (en)
BE (1)	BE722215A (en)
CH (1)	CH484531A (en)
DE (1)	DE1541990B2 (en)
FR (1)	FR1587471A (en)
GB (1)	GB1240860A (en)
NL (1)	NL144446B (en)
SE (1)	SE356170B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2477829A1 (en) *	1980-03-07	1981-09-11	Labo Electronique Physique	Hybrid microwave circuit mfr. using serigraphic layers - uses laser to machine notches from layers of conducting ink obtained by serigraphic process
JPS59126301A (en) *	1983-01-07	1984-07-20	Shimada Phys & Chem Ind Co Ltd	Microstrip type band-pass filter
FR2540294B1 (en) *	1983-01-31	1985-10-04	Thomson Csf	MICROWAVE FILTER WITH LINEAR RESONATORS
GB2153155B (en) *	1984-01-24	1987-04-15	Secr Defence	Improvements in or relating to microwave filters
US4609892A (en) *	1985-09-30	1986-09-02	Motorola, Inc.	Stripline filter apparatus and method of making the same
EP0301789B1 (en) *	1987-07-29	1991-07-03	Sharp Kabushiki Kaisha	1/2 wavelength side coupling filter
US5105173A (en) *	1989-11-20	1992-04-14	Sanyo Electric Co., Ltd.	Band-pass filter using microstrip lines
JP3351102B2 (en) *	1994-06-14	2002-11-25	株式会社村田製作所	Resonator
JP2004312065A (en) *	2003-04-01	2004-11-04	Soshin Electric Co Ltd	Passive components

1967
- 1967-10-12 DE DE1967S0112369 patent/DE1541990B2/en active Granted
1968
- 1968-10-01 NL NL6814030A patent/NL144446B/en unknown
- 1968-10-10 CH CH1512768A patent/CH484531A/en not_active IP Right Cessation
- 1968-10-10 AT AT989968A patent/AT299308B/en not_active IP Right Cessation
- 1968-10-11 GB GB4825968A patent/GB1240860A/en not_active Expired
- 1968-10-11 BE BE722215D patent/BE722215A/xx unknown
- 1968-10-11 FR FR1587471D patent/FR1587471A/fr not_active Expired
- 1968-10-11 SE SE1374668A patent/SE356170B/xx unknown

Also Published As

Publication number	Publication date
DE1541990B2 (en)	1976-09-23
NL6814030A (en)	1969-04-15
SE356170B (en)	1973-05-14
FR1587471A (en)	1970-03-20
GB1240860A (en)	1971-07-28
DE1541990A1 (en)	1970-07-16
NL144446B (en)	1974-12-16
BE722215A (en)	1969-04-11
CH484531A (en)	1970-01-15

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Legal Events

Date	Code	Title	Description
1979-07-15	ELJ	Ceased due to non-payment of the annual fee