GB1525334A - Transducer means - Google Patents
Transducer meansInfo
- Publication number
- GB1525334A GB1525334A GB3232/76A GB323276A GB1525334A GB 1525334 A GB1525334 A GB 1525334A GB 3232/76 A GB3232/76 A GB 3232/76A GB 323276 A GB323276 A GB 323276A GB 1525334 A GB1525334 A GB 1525334A
- Authority
- GB
- United Kingdom
- Prior art keywords
- transducer
- flexure
- switch
- receivers
- frequency difference
- Prior art date
- 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.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/36—Devices for manipulating acoustic surface waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
- G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
- G01P15/097—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by vibratory elements
- G01P15/0975—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by vibratory elements by acoustic surface wave resonators or delay lines
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Gyroscopes (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/554,854 US3940636A (en) | 1975-03-03 | 1975-03-03 | Acoustic delay surface wave motion transducer systems with enhanced stability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1525334A true GB1525334A (en) | 1978-09-20 |
Family
ID=24214960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3232/76A Expired GB1525334A (en) | 1975-03-03 | 1976-01-28 | Transducer means |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3940636A (enExample) |
| JP (1) | JPS51101563A (enExample) |
| CA (1) | CA1035458A (enExample) |
| DE (1) | DE2606930A1 (enExample) |
| FR (1) | FR2303276A1 (enExample) |
| GB (1) | GB1525334A (enExample) |
| IT (1) | IT1056179B (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2142141A (en) * | 1983-06-25 | 1985-01-09 | Standard Telephones Cables Ltd | Remote surface acoustic wave vibration sensor |
| GB2142429A (en) * | 1983-06-29 | 1985-01-16 | Standard Telephones Cables Ltd | Wide bandwidth surface acoustic wave vibration sensor |
| US4747309A (en) * | 1980-10-02 | 1988-05-31 | Imperial Chemical Industries Plc | Structures and methods of testing them with linear microphones |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4100811A (en) * | 1977-03-18 | 1978-07-18 | United Technologies Corporation | Differential surface acoustic wave transducer |
| FR2396306A1 (fr) * | 1977-07-01 | 1979-01-26 | Thomson Csf | Accelerometre a ondes elastiques de surface |
| US4346597A (en) * | 1980-11-03 | 1982-08-31 | United Technologies Corporation | Dual range, cantilevered mass accelerometer |
| US4467235A (en) * | 1982-03-12 | 1984-08-21 | Rockwell International Corporation | Surface acoustic wave interferometer |
| US4522062A (en) * | 1983-09-02 | 1985-06-11 | Sundstrand Data Control, Inc. | Digital processor for use with an accelerometer based angular rate sensor |
| AU6728787A (en) * | 1985-10-21 | 1987-05-05 | Sundstrand Data Control, Inc. | Vibrating beam accelerometer with velocity change output |
| US4803883A (en) * | 1987-11-09 | 1989-02-14 | Rockwell International Corporation | Accelerometer |
| US5384541A (en) * | 1993-03-05 | 1995-01-24 | Hewlett-Packard Company | Precision timed delay measurement using phaselocked CW technique |
| US5585566A (en) * | 1994-09-06 | 1996-12-17 | General Electric Company | Low-power shock detector for measuring intermittent shock events |
| US5510666A (en) * | 1994-09-16 | 1996-04-23 | Honda Giken Kogyo Kabushiki Kaisha | Method of detecting shock and shock sensor |
| JP3285469B2 (ja) * | 1995-07-11 | 2002-05-27 | 株式会社日立製作所 | 弾性表面波装置 |
| US5811909A (en) * | 1996-01-11 | 1998-09-22 | Wuchinich; David G. | Superthermoelastic resonators |
| JP4345984B2 (ja) * | 2005-11-11 | 2009-10-14 | Necトーキン株式会社 | 振動検知方法、振動検知システム、バッテリレス振動センサ及び質問器 |
| KR101239636B1 (ko) * | 2011-04-08 | 2013-03-11 | 국방과학연구소 | Mems 공진기, 이를 구비하는 센서 및 mems 공진기의 제조방법 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3888115A (en) * | 1973-03-30 | 1975-06-10 | Texas Instruments Inc | Strain sensor |
| US3848144A (en) * | 1973-04-11 | 1974-11-12 | Sperry Rand Corp | Acoustic delay surface wave motion transducer systems |
| US3858064A (en) * | 1973-08-30 | 1974-12-31 | Sperry Rand Corp | Stable acoustic delay surface wave motion transducer systems |
| US3878477A (en) * | 1974-01-08 | 1975-04-15 | Hewlett Packard Co | Acoustic surface wave oscillator force-sensing devices |
-
1975
- 1975-03-03 US US05/554,854 patent/US3940636A/en not_active Expired - Lifetime
-
1976
- 1976-01-14 CA CA243,504A patent/CA1035458A/en not_active Expired
- 1976-01-28 GB GB3232/76A patent/GB1525334A/en not_active Expired
- 1976-01-30 JP JP51009191A patent/JPS51101563A/ja active Pending
- 1976-02-04 IT IT47951/76A patent/IT1056179B/it active
- 1976-02-20 DE DE19762606930 patent/DE2606930A1/de active Pending
- 1976-03-02 FR FR7605801A patent/FR2303276A1/fr not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4747309A (en) * | 1980-10-02 | 1988-05-31 | Imperial Chemical Industries Plc | Structures and methods of testing them with linear microphones |
| GB2142141A (en) * | 1983-06-25 | 1985-01-09 | Standard Telephones Cables Ltd | Remote surface acoustic wave vibration sensor |
| GB2142429A (en) * | 1983-06-29 | 1985-01-16 | Standard Telephones Cables Ltd | Wide bandwidth surface acoustic wave vibration sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS51101563A (enExample) | 1976-09-08 |
| CA1035458A (en) | 1978-07-25 |
| DE2606930A1 (de) | 1976-09-16 |
| IT1056179B (it) | 1982-01-30 |
| US3940636A (en) | 1976-02-24 |
| FR2303276A1 (fr) | 1976-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| GB1525334A (en) | Transducer means | |
| AU3640578A (en) | Centre frequency tuning system for radiofrequency signal receiver | |
| GB1535745A (en) | Moving target detector | |
| JPS536012A (en) | Magnetic recorder | |
| GB1466461A (en) | Transducer means | |
| GB1517591A (en) | Ultrasonic detection systems | |
| JPS5270802A (en) | Aural signal recording and reproducing system | |
| NL182187C (nl) | Ontvanger voor am en fm signalen. | |
| JPS52147046A (en) | 44input*44output port radio frequency signal coupler | |
| GB1239466A (enExample) | ||
| YU33477A (en) | Holding assembly in a receiver for the detection of two frequency in amultifrequency tone signal | |
| WO1979001036A1 (fr) | Radiogoniometre | |
| CA1008139A (en) | Electrical circuit means for detecting the frequency of input signals | |
| NO145489C (no) | Fremgangsmaate til aa krysskople mottatte flerfrekvenssignaler i en fasesoekende mottaker for hyperbelnavigasjonsystemer | |
| CA980876A (en) | Specific frequency signal detecting circuit | |
| JPS5652941A (en) | Receiving device for vehicle | |
| GB1504516A (en) | Interogator/transponder system | |
| SILVER | Acoustic reflection profiles: Venezuela continental borderland(Subbottom acoustic reflection from continental shelf off Venezuela) | |
| NL186057C (nl) | Met verscheidene frequenties werkende signaalontvanger voor het ontvangen van tevoren bepaalde dubbeltoonsignalen. | |
| FRICKE | Possibilities of improving conventional Instrument Landing System(ILS) | |
| BUTMAN | Signal phase estimator(Apparatus for estimating amplitude and sign of phase difference or time lag between two signals)[Patent] | |
| ELAM et al. | Discussion of the protection of pressure sensing instruments from high frequency pressure impulses | |
| POPOV | Detection characteristics during optimal processing of signals on a background of correlated interference(Optimal radio signal processing system on background of correlated interference, calculating detection characteristics) | |
| JPS51114855A (en) | Acoustic surface wave frequency discriminator | |
| JPS51139796A (en) | Asynchronous response elimination system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |