BE622703A - - Google Patents

Info

Publication number: BE622703A
Authority: BE; Belgium

Application number

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.)

1961-09-22

Publication of BE622703A publication Critical patent/BE622703A/xx

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/48—Coupling means therefor
- H03H9/52—Electric coupling means

BE622703D 1961-09-22 BE622703A (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DES75881A DE1221739B (de)	1961-09-22	1961-09-22	Elektromechanisches Bandfilter

Publications (1)

Publication Number	Publication Date
BE622703A true BE622703A (xx)

Family

ID=7505701

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE622703D BE622703A (xx)	1961-09-22

Country Status (6)

Country	Link
US (1)	US3284728A (xx)
BE (1)	BE622703A (xx)
CH (1)	CH395365A (xx)
DE (1)	DE1221739B (xx)
GB (1)	GB990298A (xx)
NL (2)	NL143761B (xx)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE320443B (xx) *	1964-09-21	1970-02-09	Siemens Ag
US4284966A (en) *	1979-12-21	1981-08-18	Motorola, Inc.	Wide bandwidth helical resonator filter

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1976481A (en) *	1931-08-20	1934-10-09	Bell Telephone Labor Inc	Wave analysis
US2001387A (en) *	1931-09-24	1935-05-14	Rca Corp	Filter
US2115818A (en) *	1935-12-18	1938-05-03	Bell Telephone Labor Inc	Wave transmission network
US2248776A (en) *	1938-07-28	1941-07-08	Bell Telephone Labor Inc	Wave filter
NL58138C (xx) *	1939-06-02
US2271200A (en) *	1939-07-19	1942-01-27	Bell Telephone Labor Inc	Wave filter
NL85495C (xx) *	1952-01-18
US2770782A (en) *	1952-08-30	1956-11-13	Rca Corp	Frequency selective coupling system
US2774042A (en) *	1953-04-29	1956-12-11	Bell Telephone Labor Inc	Electromechanical wave filter

0
- BE BE622703D patent/BE622703A/xx unknown
- NL NL283485D patent/NL283485A/xx unknown
1961
- 1961-09-22 DE DES75881A patent/DE1221739B/de active Pending
1962
- 1962-08-30 CH CH1032862A patent/CH395365A/de unknown
- 1962-09-19 GB GB35754/62A patent/GB990298A/en not_active Expired
- 1962-09-21 US US225970A patent/US3284728A/en not_active Expired - Lifetime
- 1962-09-21 NL NL62283485A patent/NL143761B/xx unknown

Also Published As

Publication number	Publication date
US3284728A (en)	1966-11-08
CH395365A (de)	1965-07-15
NL143761B (nl)	1974-10-15
GB990298A (en)	1965-04-28
DE1221739B (de)	1966-07-28
NL283485A (xx)

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