FR2242815A1 - - Google Patents
Info
- Publication number
- FR2242815A1 FR2242815A1 FR7331614A FR7331614A FR2242815A1 FR 2242815 A1 FR2242815 A1 FR 2242815A1 FR 7331614 A FR7331614 A FR 7331614A FR 7331614 A FR7331614 A FR 7331614A FR 2242815 A1 FR2242815 A1 FR 2242815A1
- Authority
- FR
- France
- 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.)
- Granted
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
- H03H9/62—Filters comprising resonators of magnetostrictive material
-
- 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
- H03H9/50—Mechanical coupling means
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US384977A US3878487A (en) | 1973-08-02 | 1973-08-02 | Electromechanical disc filter |
FR7331614A FR2242815B1 (en) | 1973-08-02 | 1973-08-31 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US384977A US3878487A (en) | 1973-08-02 | 1973-08-02 | Electromechanical disc filter |
FR7331614A FR2242815B1 (en) | 1973-08-02 | 1973-08-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2242815A1 true FR2242815A1 (en) | 1975-03-28 |
FR2242815B1 FR2242815B1 (en) | 1976-10-01 |
Family
ID=26217916
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7331614A Expired FR2242815B1 (en) | 1973-08-02 | 1973-08-31 |
Country Status (2)
Country | Link |
---|---|
US (1) | US3878487A (en) |
FR (1) | FR2242815B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2290788A1 (en) * | 1974-11-08 | 1976-06-04 | Siemens Ag | ELECTRIC OSCILLATION FILTER |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU2004251647B2 (en) * | 2003-05-29 | 2010-01-14 | Takeda Pharmaceutical Company Limited | Abuse resistant amphetamine compounds |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2615981A (en) * | 1949-01-14 | 1952-10-28 | Collins Radio Co | Electromechanical filter |
US3351875A (en) * | 1962-12-20 | 1967-11-07 | Collins Radio Co | Ring coupled mechanical filter |
-
1973
- 1973-08-02 US US384977A patent/US3878487A/en not_active Expired - Lifetime
- 1973-08-31 FR FR7331614A patent/FR2242815B1/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2290788A1 (en) * | 1974-11-08 | 1976-06-04 | Siemens Ag | ELECTRIC OSCILLATION FILTER |
Also Published As
Publication number | Publication date |
---|---|
FR2242815B1 (en) | 1976-10-01 |
US3878487A (en) | 1975-04-15 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |