FR2276648B1 - - Google Patents
Info
- Publication number
- FR2276648B1 FR2276648B1 FR7519936A FR7519936A FR2276648B1 FR 2276648 B1 FR2276648 B1 FR 2276648B1 FR 7519936 A FR7519936 A FR 7519936A FR 7519936 A FR7519936 A FR 7519936A FR 2276648 B1 FR2276648 B1 FR 2276648B1
- Authority
- FR
- France
- 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
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/24—Inductive coupling
- H04B5/26—Inductive coupling using coils
- H04B5/263—Multiple coils at either side
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/0264—Arrangements for coupling to transmission lines
- H04L25/0266—Arrangements for providing Galvanic isolation, e.g. by means of magnetic or capacitive coupling
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Near-Field Transmission Systems (AREA)
- Filters And Equalizers (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP49073590A JPS513548A (en) | 1974-06-26 | 1974-06-26 | Shingodensosochi |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2276648A1 FR2276648A1 (fr) | 1976-01-23 |
FR2276648B1 true FR2276648B1 (fr) | 1978-04-28 |
Family
ID=13522669
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7519936A Granted FR2276648A1 (fr) | 1974-06-26 | 1975-06-25 | Systeme de transmission de signaux |
Country Status (4)
Country | Link |
---|---|
US (1) | US4071714A (fr) |
JP (1) | JPS513548A (fr) |
DE (1) | DE2528593C3 (fr) |
FR (1) | FR2276648A1 (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS572475U (fr) * | 1980-06-04 | 1982-01-07 | ||
DE3109049A1 (de) * | 1981-03-10 | 1982-09-30 | Siemens AG, 1000 Berlin und 8000 München | Hoergeraet |
JPS59199973A (ja) * | 1983-04-25 | 1984-11-13 | 株式会社日本自動車部品総合研究所 | 車両用蓋体解錠装置 |
JPS62277532A (ja) * | 1986-05-26 | 1987-12-02 | Matsushita Electric Works Ltd | 熱線式検知器 |
US4788544A (en) * | 1987-01-08 | 1988-11-29 | Hughes Tool Company - Usa | Well bore data transmission system |
US4845493A (en) * | 1987-01-08 | 1989-07-04 | Hughes Tool Company | Well bore data transmission system with battery preserving switch |
US4884071A (en) * | 1987-01-08 | 1989-11-28 | Hughes Tool Company | Wellbore tool with hall effect coupling |
DE4114448C2 (de) * | 1991-05-03 | 1995-04-20 | Klaus Latschbacher | Vorrichtung zur drahtlosen Datenübertragung zwischen zwei Datengeräten |
US6219529B1 (en) * | 1994-07-19 | 2001-04-17 | Seiko Instruments Inc. | Wireless communication system using only the magnetic field component |
US6339695B1 (en) * | 1999-05-05 | 2002-01-15 | Radioshack Corporation | Cordless phone data transfer |
US6274829B1 (en) * | 2000-03-02 | 2001-08-14 | Honda Of America Manufacturing, Inc. | Wireless inductive coupled switch |
US6985084B2 (en) * | 2001-12-17 | 2006-01-10 | Alcatel Canada Inc. | Visual indication equipment operation |
DE102004060577B4 (de) * | 2004-12-16 | 2010-08-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Schaltung und Verfahren zum Erzeugen eines Strompulses in einem Wellenleiter |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3016465A (en) * | 1956-02-15 | 1962-01-09 | George C Devol | Coincidence detectors |
US2810901A (en) * | 1956-02-29 | 1957-10-22 | Rca Corp | Magnetic logic systems |
BE626380A (fr) * | 1961-12-22 | |||
US3273110A (en) * | 1964-03-02 | 1966-09-13 | Douglas Aircraft Co Inc | Underwater communication system |
US3320541A (en) * | 1964-06-10 | 1967-05-16 | Beckman Instruments Inc | Hall effect frequency responsive system |
US3495209A (en) * | 1968-11-13 | 1970-02-10 | Marguerite Curtice | Underwater communications system |
US3660760A (en) * | 1969-07-23 | 1972-05-02 | William J Foley | Inductive communication system |
-
1974
- 1974-06-26 JP JP49073590A patent/JPS513548A/ja active Pending
-
1975
- 1975-06-20 US US05/588,722 patent/US4071714A/en not_active Expired - Lifetime
- 1975-06-25 FR FR7519936A patent/FR2276648A1/fr active Granted
- 1975-06-26 DE DE2528593A patent/DE2528593C3/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS513548A (en) | 1976-01-13 |
FR2276648A1 (fr) | 1976-01-23 |
US4071714A (en) | 1978-01-31 |
DE2528593B2 (de) | 1977-12-01 |
DE2528593C3 (de) | 1978-07-20 |
DE2528593A1 (de) | 1976-01-29 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |