JPS4842651A - - Google Patents
Info
- Publication number
- JPS4842651A JPS4842651A JP47095847A JP9584772A JPS4842651A JP S4842651 A JPS4842651 A JP S4842651A JP 47095847 A JP47095847 A JP 47095847A JP 9584772 A JP9584772 A JP 9584772A JP S4842651 A JPS4842651 A JP S4842651A
- Authority
- JP
- Japan
- 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.)
- Pending
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
- H03H9/54—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 |
|---|---|---|---|
| US18386371A | 1971-09-27 | 1971-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4842651A true JPS4842651A (cs) | 1973-06-21 |
Family
ID=22674612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47095847A Pending JPS4842651A (cs) | 1971-09-27 | 1972-09-26 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3739304A (cs) |
| JP (1) | JPS4842651A (cs) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5787228A (en) * | 1980-11-18 | 1982-05-31 | Oki Electric Ind Co Ltd | Monolithic filter |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US5231327A (en) * | 1990-12-14 | 1993-07-27 | Tfr Technologies, Inc. | Optimized piezoelectric resonator-based networks |
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 |
| US3396327A (en) * | 1961-12-27 | 1968-08-06 | Toyotsushinki Kabushiki Kaisha | Thickness shear vibration type, crystal electromechanical filter |
| US3334307A (en) * | 1966-11-14 | 1967-08-01 | Zenith Radio Corp | Multi-electrode acoustic amplifier with unitary transducing and translating medium |
| US3609601A (en) * | 1970-01-12 | 1971-09-28 | Collins Radio Co | Monolithic filter having "m" derived characteristics |
| US3656180A (en) * | 1970-08-12 | 1972-04-11 | Bell Telephone Labor Inc | Crystal filter |
-
1971
- 1971-09-27 US US00183863A patent/US3739304A/en not_active Expired - Lifetime
-
1972
- 1972-09-26 JP JP47095847A patent/JPS4842651A/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5787228A (en) * | 1980-11-18 | 1982-05-31 | Oki Electric Ind Co Ltd | Monolithic filter |
Also Published As
| Publication number | Publication date |
|---|---|
| US3739304A (en) | 1973-06-12 |