FR959929A - - Google Patents

Info

Publication number
FR959929A
FR959929A FR959929DA FR959929A FR 959929 A FR959929 A FR 959929A FR 959929D A FR959929D A FR 959929DA FR 959929 A FR959929 A FR 959929A
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
Application number
Priority date (The priority date 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 date listed.)
Publication date
Application granted granted Critical
Publication of FR959929A publication Critical patent/FR959929A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/3208—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used
    • H01Q1/3225—Cooperation with the rails or the road
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P3/00—Waveguides; Transmission lines of the waveguide type
    • H01P3/02—Waveguides; Transmission lines of the waveguide type with two longitudinal conductors
    • H01P3/08—Microstrips; Strip lines
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
    • H01Q1/46—Electric supply lines or communication lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B5/00—Near-field transmission systems, e.g. inductive loop type
FR959929D 1946-07-31 Expired FR959929A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US687479A US2478133A (en) 1946-07-31 1946-07-31 Propagation of radio waves through a tunnel

Publications (1)

Publication Number Publication Date
FR959929A true FR959929A (fr) 1950-04-07

Family

ID=24760594

Family Applications (1)

Application Number Title Priority Date Filing Date
FR959929D Expired FR959929A (fr) 1946-07-31

Country Status (3)

Country Link
US (1) US2478133A (fr)
FR (1) FR959929A (fr)
GB (1) GB641474A (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2734170A (en) * 1951-06-22 1956-02-07 Sazanl
US2980793A (en) * 1956-06-11 1961-04-18 Electronic Safety Engineering Restricted range radio transmitting system
US3867710A (en) * 1960-05-02 1975-02-18 Itt Communication system
US3290626A (en) * 1964-12-28 1966-12-06 Hafner Theodore Surface wave transmission
US3534303A (en) * 1967-04-20 1970-10-13 Theodore Hafner Surface wave transmission
US3735265A (en) * 1970-11-24 1973-05-22 Gureckis P Radio communication/control system for restricted range signaling near the earth{40 s surface
US3871302A (en) * 1973-09-26 1975-03-18 Consolidation Coal Co Trolley control system
US4001774A (en) * 1975-01-08 1977-01-04 Exxon Production Research Company Method of transmitting signals from a drill bit to the surface
US4097808A (en) * 1976-04-02 1978-06-27 Marine Electric Corporation Entertainment system and method
CH627879A5 (en) * 1978-06-06 1982-01-29 Siemens Ag Albis Antenna system
AT379470B (de) * 1979-08-24 1986-01-10 Siemens Ag Oesterreich Antenne zur funkversorgung von tunelln
DE3317869C2 (de) * 1983-05-17 1994-03-17 Lindenmeier Heinz Elektrische Leckleitung entlang einer Autostraße
US5230085A (en) * 1991-04-05 1993-07-20 E-Systems, Inc. Method and apparatus for wireless electromagnetic communication within a contained electromagnetic field
FR2679891B1 (fr) * 1991-08-01 1993-10-22 Acb Procede d'intervention a distance dans un puits en particulier dans un site de stockage profond de dechets nucleaires.
DE19541650A1 (de) * 1995-11-08 1997-05-15 Siemens Ag Kabelförmige Antenne sowie Zugfernsehanlage mit einer derartigen Antenne
US9198056B2 (en) 2012-10-22 2015-11-24 CenturyLink Itellectual Property LLC Optimized distribution of wireless broadband in a building

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1985241A (en) * 1931-07-10 1934-12-25 Daya Werner Device for removing disturbances in wireless transmission
US2201472A (en) * 1937-04-26 1940-05-21 Jewel D Browder Communication system
US2297925A (en) * 1940-04-06 1942-10-06 Rca Corp Antenna system
US2407417A (en) * 1944-12-19 1946-09-10 Farnsworth Television & Radio Communications system

Also Published As

Publication number Publication date
GB641474A (en) 1950-08-16
US2478133A (en) 1949-08-02

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