FR1512279A - Filter refinements - Google Patents
Filter refinementsInfo
- Publication number
- FR1512279A FR1512279A FR96344A FR96344A FR1512279A FR 1512279 A FR1512279 A FR 1512279A FR 96344 A FR96344 A FR 96344A FR 96344 A FR96344 A FR 96344A FR 1512279 A FR1512279 A FR 1512279A
- Authority
- FR
- France
- Prior art keywords
- refinements
- filter
- filter refinements
- 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
- 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)
- Coils Or Transformers For Communication (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB815866A GB1105896A (en) | 1966-02-24 | 1966-02-24 | Improvements in or relating to crystal filter circuits |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1512279A true FR1512279A (en) | 1968-02-02 |
Family
ID=9846873
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR96344A Expired FR1512279A (en) | 1966-02-24 | 1967-02-24 | Filter refinements |
Country Status (5)
Country | Link |
---|---|
DE (1) | DE1541935A1 (en) |
FR (1) | FR1512279A (en) |
GB (1) | GB1105896A (en) |
NL (1) | NL6702868A (en) |
SE (1) | SE303164B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003071677A1 (en) * | 2002-02-25 | 2003-08-28 | Infineon Technologies Ag | Filter circuit |
-
1966
- 1966-02-24 GB GB815866A patent/GB1105896A/en not_active Expired
-
1967
- 1967-02-23 DE DE19671541935 patent/DE1541935A1/en active Pending
- 1967-02-23 NL NL6702868A patent/NL6702868A/xx unknown
- 1967-02-23 SE SE2464/67A patent/SE303164B/xx unknown
- 1967-02-24 FR FR96344A patent/FR1512279A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL6702868A (en) | 1967-08-25 |
SE303164B (en) | 1968-08-19 |
DE1541935A1 (en) | 1970-10-22 |
GB1105896A (en) | 1968-03-13 |
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