GB1265326A - - Google Patents
Info
- Publication number
- GB1265326A GB1265326A GB1265326DA GB1265326A GB 1265326 A GB1265326 A GB 1265326A GB 1265326D A GB1265326D A GB 1265326DA GB 1265326 A GB1265326 A GB 1265326A
- Authority
- GB
- United Kingdom
- Prior art keywords
- transducer
- pipe
- july
- receiver
- pipe line
- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B11/00—Transmission systems employing sonic, ultrasonic or infrasonic waves
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
1,265,326. Ultrasonic signalling apparatus. STANDARD TELEPHONES & CABLES Ltd. 23 July, 1969 [26 July, 1968], No. 35858/68. Heading G4F. A system for communication along a pipe line comprises a transmitter including a first transducer for propagating an ultrasonic vibration through the wall of the pipe and a receiver including a second transducer for detecting the vibration at a receiving station, an insert of poor transmissive characteristics being located in the pipe line and quarter wavelength from the first transducer on the side remote from the receiver. The first transducer may be of the piezoelectric or magnetostrictive type, Fig. 2 (not shown); several such transducers may be arranged at half wavelength intervals. A receiving transducer may comprise a cylinder of piezoelectric material, Fig. 4 (not shown), a strain gauge, or a pick-up coil using the change in magnetization of a magnetized section of the pipe. Reference is also made to the use of vibrations in the shear mode produced by torsional stress.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3585868 | 1968-07-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1265326A true GB1265326A (en) | 1972-03-01 |
Family
ID=10382319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1265326D Expired GB1265326A (en) | 1968-07-26 | 1968-07-26 |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1265326A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4302826A (en) * | 1980-01-21 | 1981-11-24 | Sperry Corporation | Resonant acoustic transducer system for a well drilling string |
| GB2117948A (en) * | 1982-03-22 | 1983-10-19 | Ml Aviation Co Ltd | Initiation of devices by high- frequency sound waves |
| GB2258331A (en) * | 1991-07-31 | 1993-02-03 | Marconi Gec Ltd | Data transmission |
| FR2802039A1 (en) * | 1999-12-03 | 2001-06-08 | Schneider Electric Ind Sa | Electrical distribution protection equipment communications module transmission method having ultrasonic transmitter/receiver bar mechanical element second transmitter/receiver communicating and connecting communications module |
| WO2001046555A1 (en) * | 1999-12-22 | 2001-06-28 | Schlumberger Holdings Limited | System and method for telemetry in a wellbore |
| US6843120B2 (en) | 2002-06-19 | 2005-01-18 | Bj Services Company | Apparatus and method of monitoring and signaling for downhole tools |
| EP2747313A1 (en) * | 2012-12-20 | 2014-06-25 | Funai Electric Co., Ltd. | Information terminal and communication system |
| CN103968885A (en) * | 2013-01-30 | 2014-08-06 | 西门子公司 | Environmental parameter sensing device, environmental parameter conversion device and monitoring system for oil-immersed transmission |
-
1968
- 1968-07-26 GB GB1265326D patent/GB1265326A/en not_active Expired
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4302826A (en) * | 1980-01-21 | 1981-11-24 | Sperry Corporation | Resonant acoustic transducer system for a well drilling string |
| GB2117948A (en) * | 1982-03-22 | 1983-10-19 | Ml Aviation Co Ltd | Initiation of devices by high- frequency sound waves |
| GB2258331A (en) * | 1991-07-31 | 1993-02-03 | Marconi Gec Ltd | Data transmission |
| FR2802039A1 (en) * | 1999-12-03 | 2001-06-08 | Schneider Electric Ind Sa | Electrical distribution protection equipment communications module transmission method having ultrasonic transmitter/receiver bar mechanical element second transmitter/receiver communicating and connecting communications module |
| WO2001046555A1 (en) * | 1999-12-22 | 2001-06-28 | Schlumberger Holdings Limited | System and method for telemetry in a wellbore |
| US6843120B2 (en) | 2002-06-19 | 2005-01-18 | Bj Services Company | Apparatus and method of monitoring and signaling for downhole tools |
| EP2747313A1 (en) * | 2012-12-20 | 2014-06-25 | Funai Electric Co., Ltd. | Information terminal and communication system |
| CN103968885A (en) * | 2013-01-30 | 2014-08-06 | 西门子公司 | Environmental parameter sensing device, environmental parameter conversion device and monitoring system for oil-immersed transmission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |