CH625389GA3 - - Google Patents
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- Publication number
- CH625389GA3 CH625389GA3 CH113777A CH113777A CH625389GA3 CH 625389G A3 CH625389G A3 CH 625389GA3 CH 113777 A CH113777 A CH 113777A CH 113777 A CH113777 A CH 113777A CH 625389G A3 CH625389G A3 CH 625389GA3
- Authority
- CH
- Switzerland
- Prior art keywords
- disc
- electrodes
- face
- vibrator
- piezoelectric
- Prior art date
Links
- WSMQKESQZFQMFW-UHFFFAOYSA-N 5-methyl-pyrazole-3-carboxylic acid Chemical compound CC1=CC(C(O)=O)=NN1 WSMQKESQZFQMFW-UHFFFAOYSA-N 0.000 abstract 1
- 238000003486 chemical etching Methods 0.000 abstract 1
- 239000013078 crystal Substances 0.000 abstract 1
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 abstract 1
- 239000010453 quartz Substances 0.000 abstract 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 1
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
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)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Surgical Instruments (AREA)
- Electrophonic Musical Instruments (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP863376A JPS5291670A (en) | 1976-01-29 | 1976-01-29 | Piezoelectric vibrator |
| JP51014690A JPS5847886B2 (ja) | 1976-02-13 | 1976-02-13 | 圧電振動子 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CH625389B CH625389B (fr) | |
| CH625389GA3 true CH625389GA3 (el) | 1981-09-30 |
Family
ID=26343193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH113777A CH625389B (fr) | 1976-01-29 | 1977-01-31 | Vibreur a cristal piezo-electrique. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4112323A (el) |
| CH (1) | CH625389B (el) |
| DE (1) | DE2703334A1 (el) |
| FR (1) | FR2339992A1 (el) |
| GB (1) | GB1536066A (el) |
| HK (1) | HK48282A (el) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5479581A (en) * | 1977-12-07 | 1979-06-25 | Seiko Instr & Electronics Ltd | Thickness-width slide crystal vibrator |
| DE2847944A1 (de) * | 1978-11-04 | 1980-05-14 | Bosch Gmbh Robert | Resonator aus einer piezoelektrischen kristallscheibe |
| GB2160920B (en) * | 1984-06-26 | 1987-10-14 | Draftex Ind Ltd | Sealing strip |
| GB8507596D0 (en) * | 1985-03-23 | 1985-05-01 | Fulmer Res Inst Ltd | Piezoelectric transducer |
| JPS6216611A (ja) * | 1985-07-15 | 1987-01-24 | Seikosha Co Ltd | 平板状厚みすべり水晶振動子 |
| US5978972A (en) * | 1996-06-14 | 1999-11-09 | Johns Hopkins University | Helmet system including at least three accelerometers and mass memory and method for recording in real-time orthogonal acceleration data of a head |
| KR101928359B1 (ko) * | 2012-09-11 | 2018-12-12 | 삼성전자주식회사 | 전도성 물질을 이용하여 전기적 손실을 처리하는 공진 장치 및 그 제조 방법 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1930536A (en) * | 1927-11-19 | 1933-10-17 | Westinghouse Electric & Mfg Co | Oscillation generator |
| DE664983C (de) * | 1932-10-13 | 1938-10-01 | Telefunken Gmbh | Als piezoelektrischer Kristall ausgebildeter Oszillator oder Resonator mit geringer Strahlungsdaempfung |
| FR911761A (fr) * | 1945-02-02 | 1946-07-19 | Thomson Houston Comp Francaise | Perfectionnements aux cristaux piézo-électriques |
| US2472179A (en) * | 1947-06-11 | 1949-06-07 | Tibbetts Lab Inc | Piezoelectric device |
| US2994791A (en) * | 1957-05-27 | 1961-08-01 | Shinada Toshio | Electrode of a quartz oscillator |
| US2967957A (en) * | 1957-09-17 | 1961-01-10 | Massa Frank | Electroacoustic transducer |
| US3408515A (en) * | 1964-10-08 | 1968-10-29 | Bell Telephone Labor Inc | Second overtone dt-cut quartz resonator |
| US3345588A (en) * | 1964-11-12 | 1967-10-03 | Gen Instrument Corp | Annular piezoelectric filter with arcuate electrodes |
| US3465178A (en) * | 1966-09-13 | 1969-09-02 | Us Army | Driven-boundary piezoelectric crystals |
| US3617780A (en) * | 1967-10-26 | 1971-11-02 | Hewlett Packard Co | Piezoelectric transducer and method for mounting same |
| US3488530A (en) * | 1968-04-22 | 1970-01-06 | North American Rockwell | Piezoelectric microresonator |
| US3909641A (en) * | 1971-03-13 | 1975-09-30 | Meidensha Electric Mfg Co Ltd | Holder device for a vibrator |
-
1977
- 1977-01-27 DE DE19772703334 patent/DE2703334A1/de not_active Withdrawn
- 1977-01-27 GB GB3356/77A patent/GB1536066A/en not_active Expired
- 1977-01-28 US US05/763,712 patent/US4112323A/en not_active Expired - Lifetime
- 1977-01-28 FR FR7702412A patent/FR2339992A1/fr active Granted
- 1977-01-31 CH CH113777A patent/CH625389B/fr not_active IP Right Cessation
-
1982
- 1982-11-18 HK HK482/82A patent/HK48282A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2339992A1 (fr) | 1977-08-26 |
| US4112323A (en) | 1978-09-05 |
| HK48282A (en) | 1982-11-26 |
| CH625389B (fr) | |
| FR2339992B1 (el) | 1982-04-30 |
| GB1536066A (en) | 1978-12-20 |
| DE2703334A1 (de) | 1977-08-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |