FR831891A - Electrical circuits using vibrating electrical elements - Google Patents
Electrical circuits using vibrating electrical elementsInfo
- Publication number
- FR831891A FR831891A FR831891DA FR831891A FR 831891 A FR831891 A FR 831891A FR 831891D A FR831891D A FR 831891DA FR 831891 A FR831891 A FR 831891A
- Authority
- FR
- France
- Prior art keywords
- electrical
- vibrating
- elements
- circuits
- electrical circuits
- Prior art date
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/075—Ladder networks, e.g. electric wave filters
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/0023—Balance-unbalance or balance-balance networks
- H03H9/0095—Balance-unbalance or balance-balance networks using bulk acoustic wave devices
-
- 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
- H03H9/54—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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR49372T | 1937-11-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR831891A true FR831891A (en) | 1938-09-15 |
Family
ID=8684557
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR831891D Expired FR831891A (en) | 1937-11-06 | 1937-04-21 | Electrical circuits using vibrating electrical elements |
FR49372D Expired FR49372E (en) | 1937-11-06 | 1937-11-06 | Electrical circuits using vibrating mechanical elements |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR49372D Expired FR49372E (en) | 1937-11-06 | 1937-11-06 | Electrical circuits using vibrating mechanical elements |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE427664A (en) |
FR (2) | FR831891A (en) |
GB (1) | GB511609A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL2001658C2 (en) * | 2008-06-09 | 2009-12-10 | Univ Delft Tech | Passive radio frequency filter, has circuit comprising passive filter components such as resistor, capacitors and transformers, where filter components are provided between input and output of filter |
-
0
- BE BE427664D patent/BE427664A/xx unknown
-
1937
- 1937-04-21 FR FR831891D patent/FR831891A/en not_active Expired
- 1937-11-06 FR FR49372D patent/FR49372E/en not_active Expired
-
1938
- 1938-03-18 GB GB8416/38A patent/GB511609A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR49372E (en) | 1939-03-24 |
GB511609A (en) | 1939-08-22 |
BE427664A (en) |
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