BE463000A - - Google Patents

Info

Publication number: BE463000A
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.)

1945-02-17

Publication of BE463000A publication Critical patent/BE463000A/xx

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
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/542—Filters comprising resonators of piezoelectric or electrostrictive material including passive elements

Landscapes

Physics & Mathematics (AREA)
Acoustics & Sound (AREA)
Filters And Equalizers (AREA)
Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)

BE463000D 1945-02-17 BE463000A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR994902T		1945-02-17

Publications (1)

Publication Number	Publication Date
BE463000A true BE463000A (enrdf_load_stackoverflow)

Family

ID=9556754

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE463000D BE463000A (enrdf_load_stackoverflow)	1945-02-17

Country Status (4)

Country	Link
BE (1)	BE463000A (enrdf_load_stackoverflow)
CH (1)	CH252008A (enrdf_load_stackoverflow)
FR (1)	FR994902A (enrdf_load_stackoverflow)
GB (1)	GB617974A (enrdf_load_stackoverflow)

0
- BE BE463000D patent/BE463000A/xx unknown
1945
- 1945-02-17 FR FR994902D patent/FR994902A/fr not_active Expired
1946
- 1946-02-13 CH CH252008D patent/CH252008A/fr unknown
- 1946-03-12 GB GB7747/46A patent/GB617974A/en not_active Expired

Also Published As

Publication number	Publication date
CH252008A (fr)	1947-11-30
FR994902A (fr)	1951-11-23
GB617974A (en)	1949-02-15

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