NL7900972A - Elektromechanisch filter. - Google Patents

Elektromechanisch filter.

Info

Publication number: NL7900972A
Authority: NL; Netherlands
Prior art keywords: electromechanical filter; electromechanical; filter
Prior art date: 1978-02-10

Application number

NL7900972A

Other languages

English (en)

Dutch (nl)

Inventor

Christian Bremon

Anne Grannec

Remy Pery

Joel Philippe

Original Assignee

Cit Alcatel

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.)

1978-02-10

Filing date

1979-02-07

Publication date

1979-08-14

1979-02-07 Application filed by Cit Alcatel filed Critical Cit Alcatel

1979-08-14 Publication of NL7900972A publication Critical patent/NL7900972A/xx

Links

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/46—Filters
- H03H9/48—Coupling means therefor
- H03H9/50—Mechanical coupling means

Landscapes

Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)

NL7900972A 1978-02-10 1979-02-07 Elektromechanisch filter. NL7900972A (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7803792A FR2417215A1 (fr)	1978-02-10	1978-02-10	Filtre electromecanique

Publications (1)

Publication Number	Publication Date
NL7900972A true NL7900972A (nl)	1979-08-14

Family

ID=9204451

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7900972A NL7900972A (nl)	1978-02-10	1979-02-07	Elektromechanisch filter.

Country Status (11)

Country	Link
US (1)	US4213107A (fr)
JP (1)	JPS54116863A (fr)
BE (1)	BE873618A (fr)
CA (1)	CA1118852A (fr)
DE (1)	DE2904238A1 (fr)
FR (1)	FR2417215A1 (fr)
GB (1)	GB2014392B (fr)
IE (1)	IE790249L (fr)
IT (1)	IT1118330B (fr)
LU (1)	LU80892A1 (fr)
NL (1)	NL7900972A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20030052749A1 (en) *	2001-09-04	2003-03-20	In Kui Cho	Resonator, method for manufacturing filter by using resonator and filter manufactured by the same method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE788576A (fr) *	1971-09-10	1973-01-02	Siemens Ag	Filtre electromecanique
FR2304217A1 (fr) *	1975-03-13	1976-10-08	Cit Alcatel	Filtre mecanique
FR2350732A1 (fr) *	1976-05-05	1977-12-02	Telecommunications Sa	Perfectionnements aux filtres electromecaniques passe-bande

1978
- 1978-02-10 IE IE790249A patent/IE790249L/xx unknown
- 1978-02-10 FR FR7803792A patent/FR2417215A1/fr active Granted
1979
- 1979-01-22 BE BE1/9247A patent/BE873618A/fr not_active IP Right Cessation
- 1979-01-22 GB GB7902293A patent/GB2014392B/en not_active Expired
- 1979-01-31 US US06/008,198 patent/US4213107A/en not_active Expired - Lifetime
- 1979-02-05 IT IT67246/79A patent/IT1118330B/it active
- 1979-02-05 DE DE19792904238 patent/DE2904238A1/de not_active Withdrawn
- 1979-02-07 CA CA000321061A patent/CA1118852A/fr not_active Expired
- 1979-02-07 NL NL7900972A patent/NL7900972A/xx not_active Application Discontinuation
- 1979-02-08 LU LU80892A patent/LU80892A1/fr unknown
- 1979-02-09 JP JP1346679A patent/JPS54116863A/ja active Pending

Also Published As

Publication number	Publication date
DE2904238A1 (de)	1979-08-16
FR2417215A1 (fr)	1979-09-07
IE790249L (en)	1980-08-09
IT1118330B (it)	1986-02-24
IT7967246A0 (it)	1979-02-05
JPS54116863A (en)	1979-09-11
FR2417215B1 (fr)	1980-08-22
GB2014392B (en)	1982-03-24
US4213107A (en)	1980-07-15
CA1118852A (fr)	1982-02-23
GB2014392A (en)	1979-08-22
LU80892A1 (fr)	1979-10-29
BE873618A (fr)	1979-07-23

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Legal Events

Date	Code	Title
1979-10-25	A1B	A search report has been drawn up
1980-12-29	BV	The patent application has lapsed
1984-10-01	BV	The patent application has lapsed