SE7502844L - - Google Patents
Info
- Publication number
- SE7502844L SE7502844L SE7502844A SE7502844A SE7502844L SE 7502844 L SE7502844 L SE 7502844L SE 7502844 A SE7502844 A SE 7502844A SE 7502844 A SE7502844 A SE 7502844A SE 7502844 L SE7502844 L SE 7502844L
- Authority
- SE
- Sweden
- Prior art keywords
- arm portions
- pair
- filter device
- metal members
- elastic metal
- Prior art date
Links
- 239000002184 metal Substances 0.000 abstract 3
- 235000014676 Phragmites communis Nutrition 0.000 abstract 1
- 239000000919 ceramic Substances 0.000 abstract 1
- 230000006866 deterioration Effects 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 devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/05—Holders; Supports
- H03H9/0504—Holders; Supports for bulk acoustic wave devices
- H03H9/0514—Holders; Supports for bulk acoustic wave devices consisting of mounting pads or bumps
- H03H9/0519—Holders; Supports for bulk acoustic wave devices consisting of mounting pads or bumps for cantilever
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Filters And Equalizers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1974029314U JPS50126133U (no) | 1974-03-13 | 1974-03-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7502844L true SE7502844L (no) | 1975-09-15 |
SE415065B SE415065B (sv) | 1980-09-01 |
Family
ID=12272747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7502844A SE415065B (sv) | 1974-03-13 | 1975-03-13 | Eletromekanisk tungfilteranordning |
Country Status (5)
Country | Link |
---|---|
US (1) | US3986150A (no) |
JP (1) | JPS50126133U (no) |
CA (1) | CA1026831A (no) |
GB (1) | GB1492825A (no) |
SE (1) | SE415065B (no) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54101640A (en) * | 1978-01-27 | 1979-08-10 | Murata Manufacturing Co | Tuning fork |
JPS6012337Y2 (ja) * | 1978-03-17 | 1985-04-22 | 株式会社村田製作所 | 音叉振動子支持構造 |
US4328442A (en) * | 1978-12-07 | 1982-05-04 | Matsushita Electric Industrial Co., Ltd. | Piezoelectrically driven tuning fork with damping means |
JPS622825Y2 (no) * | 1979-04-09 | 1987-01-22 | ||
US4577735A (en) * | 1984-07-02 | 1986-03-25 | Motorola, Inc. | Shock absorber for quartz crystal enclosures using multiple contact points to distribute stress |
US4540908A (en) * | 1984-08-13 | 1985-09-10 | Motorola, Inc. | Shock absorber for quartz crystals |
US4706259A (en) * | 1985-12-30 | 1987-11-10 | Sundstrand Data Control, Inc. | Mounting and isolation system for tuning fork temperature sensor |
US8633789B2 (en) * | 2008-05-21 | 2014-01-21 | Telefonaktiebolaget L M Ericsson (Publ) | Force arrangement for radio frequency filters |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3054915A (en) * | 1959-03-16 | 1962-09-18 | Hill Electronics Inc | Mount for piezo-electric crystal |
US3621467A (en) * | 1969-04-10 | 1971-11-16 | Bulova Watch Co Inc | Amplitude limiter for tuning fork oscillator |
US3614485A (en) * | 1969-08-05 | 1971-10-19 | Austron Inc | Electromechanical reed system |
JPS5018132B1 (no) * | 1969-10-31 | 1975-06-26 |
-
1974
- 1974-03-13 JP JP1974029314U patent/JPS50126133U/ja active Pending
-
1975
- 1975-03-07 GB GB9635/75A patent/GB1492825A/en not_active Expired
- 1975-03-10 US US05/557,027 patent/US3986150A/en not_active Expired - Lifetime
- 1975-03-12 CA CA221,911A patent/CA1026831A/en not_active Expired
- 1975-03-13 SE SE7502844A patent/SE415065B/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB1492825A (en) | 1977-11-23 |
JPS50126133U (no) | 1975-10-16 |
US3986150A (en) | 1976-10-12 |
SE415065B (sv) | 1980-09-01 |
CA1026831A (en) | 1978-02-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB1402290A (en) | Piezo-electric acoustic device | |
GB2050692B (en) | Piezoelectric resonator force transducer | |
DE3069001D1 (en) | Piezoelectric vibration transducer | |
JPS50126133U (no) | ||
ES339667A1 (es) | Aparato acustico para transmitir una banda seleccionada de energia de caracteristicas seleccionadas de carga, y metodo para su elaboracion. | |
SE9101427D0 (sv) | Transduktorer | |
FR2277438A1 (fr) | Vibrateur resonnant piezo-electrique du type en forme de fourche | |
SE7409267L (no) | ||
GB948889A (en) | Improvements in or relating to electromechanical filters | |
HK48282A (en) | Piezo-electric vibrator | |
GB1263376A (en) | Improvements in or relating to a mechanical resonator | |
GB1329953A (en) | Electroacoustic transducers | |
SU440509A1 (ru) | Способ виброизоляции продольных и изгибных волн в стержнях и пластинах | |
JPS5425192A (en) | Thickness slip resonator of parallel electric field excitation | |
GB1330215A (en) | Electromechanical filters | |
FR2374774A1 (fr) | Resonateur piezo-electrique | |
SU494837A1 (ru) | Пьезоэлектрический резонатор толщинносдвиговых колебаний | |
SU422060A1 (ru) | Пьезоэлектрический трансфильтр | |
RU94018165A (ru) | Акселерометр на поверхностных акустических волнах | |
SU72696A1 (ru) | Пьезоэлектрический генератор | |
SU521650A1 (ru) | Электромеханический фильтр | |
RU1798628C (ru) | Трехкомпонентный вибропреобразователь | |
SU726654A1 (ru) | Монолитна резонансна пьезоэлектрическа система | |
GB1471994A (en) | Electromechanical reed filter | |
JPS52149083A (en) | Crystal vibrator |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
Ref document number: 7502844-9 Effective date: 19931008 Format of ref document f/p: F |