LU75746A1 - - Google Patents
Info
- Publication number
- LU75746A1 LU75746A1 LU75746A LU75746A LU75746A1 LU 75746 A1 LU75746 A1 LU 75746A1 LU 75746 A LU75746 A LU 75746A LU 75746 A LU75746 A LU 75746A LU 75746 A1 LU75746 A1 LU 75746A1
- Authority
- LU
- Luxembourg
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
- H03H9/52—Electric coupling means
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/125—Driving means, e.g. electrodes, coils
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2553709A DE2553709C2 (de) | 1975-11-28 | 1975-11-28 | Elektromechanisches Filter mit mehreren mechanisch gekoppelten, parallel zueinander angeordneten mechanischen Resonatoren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU75746A1 true LU75746A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1977-04-28 |
Family
ID=5962996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU75746A LU75746A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-11-28 | 1976-09-08 |
Country Status (23)
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2656516A (en) * | 1952-08-14 | 1953-10-20 | Collins Radio Co | Filter using transverse supporting means |
| US2799832A (en) * | 1953-09-11 | 1957-07-16 | Motoroln Inc | Electromechanical filter |
| US2829350A (en) * | 1955-08-16 | 1958-04-01 | Collins Radio Co | Mechanical filter with coupling wires |
| DE1541986A1 (de) * | 1967-09-29 | 1970-11-26 | Siemens Ag | Elektromechanisches Bandfilter |
| CH491544A (de) | 1968-05-29 | 1970-05-31 | Siemens Ag | Elektromechanische Filter mit wenigstens drei parallel zueinander angeordneten Biegeresonatoren |
| CH491545A (de) * | 1968-05-29 | 1970-05-31 | Siemens Ag | Elektromechanisches Filter |
| US3766616A (en) * | 1972-03-22 | 1973-10-23 | Statek Corp | Microresonator packaging and tuning |
| GB1437288A (en) * | 1973-06-11 | 1976-05-26 | Kokusai Electric Co Ltd | Mechanical filter |
-
1975
- 1975-11-28 DE DE2553709A patent/DE2553709C2/de not_active Expired
-
1976
- 1976-09-07 CH CH1131576A patent/CH611091A5/xx not_active IP Right Cessation
- 1976-09-08 LU LU75746A patent/LU75746A1/xx unknown
- 1976-10-12 GB GB42403/76A patent/GB1494980A/en not_active Expired
- 1976-10-14 AT AT764176A patent/AT348594B/de not_active IP Right Cessation
- 1976-10-19 IE IE2299/76A patent/IE43636B1/en unknown
- 1976-10-20 IL IL50735A patent/IL50735A/xx unknown
- 1976-10-21 CA CA263,908A patent/CA1078934A/en not_active Expired
- 1976-10-28 ZA ZA766467A patent/ZA766467B/xx unknown
- 1976-11-04 YU YU2708/76A patent/YU37248B/xx unknown
- 1976-11-15 US US05/741,848 patent/US4114118A/en not_active Expired - Lifetime
- 1976-11-18 FR FR7634724A patent/FR2333383A1/fr active Granted
- 1976-11-23 BR BR7607828A patent/BR7607828A/pt unknown
- 1976-11-24 CS CS767599A patent/CS195743B2/cs unknown
- 1976-11-24 DK DK529976A patent/DK144258C/da not_active IP Right Cessation
- 1976-11-25 IT IT29747/76A patent/IT1064421B/it active
- 1976-11-26 PT PT65895A patent/PT65895B/pt unknown
- 1976-11-26 BE BE172754A patent/BE848808A/xx unknown
- 1976-11-26 HU HU76SI1552A patent/HU174512B/hu unknown
- 1976-11-26 ES ES453683A patent/ES453683A1/es not_active Expired
- 1976-11-26 NL NLAANVRAGE7613247,A patent/NL170580C/xx not_active IP Right Cessation
- 1976-11-27 GR GR52278A patent/GR61162B/el unknown
- 1976-11-29 JP JP51143288A patent/JPS5828929B2/ja not_active Expired