SE361800B - - Google Patents
Info
- Publication number
- SE361800B SE361800B SE09915/71A SE991571A SE361800B SE 361800 B SE361800 B SE 361800B SE 09915/71 A SE09915/71 A SE 09915/71A SE 991571 A SE991571 A SE 991571A SE 361800 B SE361800 B SE 361800B
- Authority
- SE
- Sweden
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
- H03H9/56—Monolithic crystal filters
- H03H9/566—Electric coupling means therefor
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US6320470A | 1970-08-12 | 1970-08-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE361800B true SE361800B (en) | 1973-11-12 |
Family
ID=22047661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE09915/71A SE361800B (en) | 1970-08-12 | 1971-08-03 |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US3656180A (en) |
| JP (1) | JPS5116093B1 (en) |
| BE (1) | BE771051A (en) |
| CA (1) | CA925967A (en) |
| DE (1) | DE2139218C3 (en) |
| ES (1) | ES394607A1 (en) |
| FR (1) | FR2104192A5 (en) |
| GB (1) | GB1363918A (en) |
| NL (1) | NL162523C (en) |
| SE (1) | SE361800B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3739304A (en) * | 1971-09-27 | 1973-06-12 | Bell Telephone Labor Inc | Resonator interconnections in monolithic crystal filters |
| JPS5329265B2 (en) * | 1972-09-20 | 1978-08-19 | ||
| US3947784A (en) * | 1974-09-19 | 1976-03-30 | Motorola, Inc. | Dual-coupled monolithic crystal element for modifying response of filter |
| US3944951A (en) * | 1974-11-21 | 1976-03-16 | Bell Telephone Laboratories, Incorporated | Monolithic crystal filter |
| US4484158A (en) * | 1982-07-07 | 1984-11-20 | General Electric Company | Monolithic crystal filter and method of manufacturing same |
| US4604543A (en) * | 1984-11-29 | 1986-08-05 | Hitachi, Ltd. | Multi-element ultrasonic transducer |
| GB0014963D0 (en) * | 2000-06-20 | 2000-08-09 | Koninkl Philips Electronics Nv | A bulk acoustic wave device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2198684A (en) * | 1938-09-20 | 1940-04-30 | Bell Telephone Labor Inc | Wave filter |
| US2373431A (en) * | 1943-03-30 | 1945-04-10 | Bell Telephone Labor Inc | Electric wave filter |
| US3185943A (en) * | 1956-04-23 | 1965-05-25 | Toyotsushinki Kabushiki Kaisha | One-piece mechanical filter having portions forming plural resonators and coupling means |
| US3222622A (en) * | 1962-08-14 | 1965-12-07 | Clevite Corp | Wave filter comprising piezoelectric wafer electroded to define a plurality of resonant regions independently operable without significant electro-mechanical interaction |
| FR1430874A (en) * | 1963-12-12 | 1966-03-11 | Commissariat Energie Atomique | Magnetic resonance magnetometer |
| US3334307A (en) * | 1966-11-14 | 1967-08-01 | Zenith Radio Corp | Multi-electrode acoustic amplifier with unitary transducing and translating medium |
-
1970
- 1970-08-12 US US63204A patent/US3656180A/en not_active Expired - Lifetime
-
1971
- 1971-03-10 CA CA107363A patent/CA925967A/en not_active Expired
- 1971-08-03 SE SE09915/71A patent/SE361800B/xx unknown
- 1971-08-05 GB GB3677071A patent/GB1363918A/en not_active Expired
- 1971-08-05 DE DE2139218A patent/DE2139218C3/en not_active Expired
- 1971-08-06 BE BE771051A patent/BE771051A/en unknown
- 1971-08-10 ES ES394607A patent/ES394607A1/en not_active Expired
- 1971-08-10 FR FR7129252A patent/FR2104192A5/fr not_active Expired
- 1971-08-11 NL NL7111061.A patent/NL162523C/en not_active IP Right Cessation
- 1971-08-12 JP JP46060663A patent/JPS5116093B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| NL162523B (en) | 1979-12-17 |
| NL162523C (en) | 1980-05-16 |
| DE2139218C3 (en) | 1974-12-19 |
| BE771051A (en) | 1971-12-16 |
| ES394607A1 (en) | 1975-04-01 |
| DE2139218B2 (en) | 1974-05-09 |
| DE2139218A1 (en) | 1972-02-17 |
| FR2104192A5 (en) | 1972-04-14 |
| AU3202771A (en) | 1973-02-08 |
| JPS5116093B1 (en) | 1976-05-21 |
| CA925967A (en) | 1973-05-08 |
| US3656180A (en) | 1972-04-11 |
| NL7111061A (en) | 1972-02-15 |
| GB1363918A (en) | 1974-08-21 |