CA948277A - Thin film line sensor - Google Patents
Thin film line sensorInfo
- Publication number
- CA948277A CA948277A CA135,870A CA135870A CA948277A CA 948277 A CA948277 A CA 948277A CA 135870 A CA135870 A CA 135870A CA 948277 A CA948277 A CA 948277A
- Authority
- CA
- Canada
- Prior art keywords
- thin film
- line sensor
- film line
- sensor
- thin
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/18—Coaxial cables; Analogous cables having more than one inner conductor within a common outer conductor
- H01B11/1895—Particular features or applications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/26—Electrical actuation by proximity of an intruder causing variation in capacitance or inductance of a circuit
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Measuring Magnetic Variables (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Burglar Alarm Systems (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14354871A | 1971-05-14 | 1971-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA948277A true CA948277A (en) | 1974-05-28 |
Family
ID=22504545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA135,870A Expired CA948277A (en) | 1971-05-14 | 1972-02-29 | Thin film line sensor |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3703681A (it) |
| JP (1) | JPS483578A (it) |
| CA (1) | CA948277A (it) |
| FR (1) | FR2137531A1 (it) |
| GB (1) | GB1387683A (it) |
| IT (1) | IT957767B (it) |
| NL (1) | NL7205204A (it) |
| SE (1) | SE373221B (it) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3786674A (en) * | 1972-09-06 | 1974-01-22 | Us Army | Coaxial magnetostrictive accelerometer |
| US4167305A (en) * | 1974-06-17 | 1979-09-11 | Sumitomo Electric Industries Ltd. | Optical transmission fiber |
| US3927386A (en) * | 1974-07-12 | 1975-12-16 | Ivan J Garshelis | Method and apparatus for circularly magnetizing a helical conductive rod |
| US4000658A (en) * | 1975-11-21 | 1977-01-04 | Shell Oil Company | Method and apparatus for measuring displacement of fixed structures |
| GB2175771B (en) * | 1985-04-17 | 1989-01-11 | Geoquip Security Systems Ltd | Vibration sensitive transducer |
| DE4008644C1 (it) * | 1990-03-17 | 1991-05-29 | Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De | |
| EP0640840B1 (en) * | 1993-08-25 | 2002-10-30 | Nippon Telegraph And Telephone Corporation | Magnetic field sensing method and apparatus |
| US5714881A (en) * | 1996-03-12 | 1998-02-03 | Patriot Sensors And Controls Corporation | Position measurement apparatus using wire waveguide in shock resistant suspension |
| US5804961A (en) * | 1996-10-28 | 1998-09-08 | Patriot Sensors & Control, Corp. | Magnetostrictive waveguide position measurement apparatus using piezoelectric sensor |
| US5821743A (en) * | 1997-01-03 | 1998-10-13 | Patriot Sensors & Control Corporation | Magnetostrictive waveguide position measurement apparatus with piezoceramic element |
| JP3559459B2 (ja) * | 1998-12-14 | 2004-09-02 | 株式会社東芝 | 磁界センサ |
| FI114571B (fi) * | 2003-05-13 | 2004-11-15 | Metso Paper Inc | Laitteisto ja menetelmä kone-elimen tilan tarkkailemiseksi |
| US9146168B1 (en) * | 2013-03-15 | 2015-09-29 | Consolidated Nuclear Security, LLC | Pressure sensor |
| US9915575B1 (en) | 2013-03-15 | 2018-03-13 | Consolidated Nuclear Security, LLC | Sensor and methods of detecting target materials and situations in closed systems |
| US9886119B1 (en) | 2016-08-02 | 2018-02-06 | Microsoft Technology Licensing, Llc | Capacitive sensor |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2643367A (en) * | 1948-01-05 | 1953-06-23 | Phillips Petroleum Co | Magnetostriction seismometer |
| US2841386A (en) * | 1953-12-09 | 1958-07-01 | Wilhelm S Everett | Magnetostrictive accelerometer device |
| US3239754A (en) * | 1963-10-09 | 1966-03-08 | Texas Instruments Inc | Thin film magnetometer |
| US3490034A (en) * | 1966-11-18 | 1970-01-13 | Burroughs Corp | Magnetometer utilizing the delaying effect of a magnetic transmission line |
-
1971
- 1971-05-14 US US143548A patent/US3703681A/en not_active Expired - Lifetime
-
1972
- 1972-02-29 CA CA135,870A patent/CA948277A/en not_active Expired
- 1972-04-18 NL NL7205204A patent/NL7205204A/xx unknown
- 1972-05-01 GB GB2006472A patent/GB1387683A/en not_active Expired
- 1972-05-03 FR FR7215682A patent/FR2137531A1/fr not_active Withdrawn
- 1972-05-08 IT IT50126/72A patent/IT957767B/it active
- 1972-05-10 SE SE7206186A patent/SE373221B/xx unknown
-
1973
- 1973-01-17 JP JP4710672A patent/JPS483578A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| GB1387683A (en) | 1975-03-19 |
| JPS483578A (it) | 1973-01-17 |
| US3703681A (en) | 1972-11-21 |
| FR2137531A1 (it) | 1972-12-29 |
| NL7205204A (it) | 1972-11-16 |
| SE373221B (it) | 1975-01-27 |
| IT957767B (it) | 1973-10-20 |
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