FR540819A - Improvements to radio-receivers - Google Patents

Improvements to radio-receivers

Info

Publication number
FR540819A
FR540819A FR540819DA FR540819A FR 540819 A FR540819 A FR 540819A FR 540819D A FR540819D A FR 540819DA FR 540819 A FR540819 A FR 540819A
Authority
FR
France
Prior art keywords
receivers
radio
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
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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.)
Filing date
Publication date
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR540819A publication Critical patent/FR540819A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
    • H01Q11/12—Resonant antennas
FR540819D 1920-04-10 1921-04-08 Improvements to radio-receivers Expired FR540819A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US372933A US1381089A (en) 1920-04-10 1920-04-10 Radio receiving system

Publications (1)

Publication Number Publication Date
FR540819A true FR540819A (en) 1922-07-18

Family

ID=23470228

Family Applications (2)

Application Number Title Priority Date Filing Date
FR540819D Expired FR540819A (en) 1920-04-10 1921-04-08 Improvements to radio-receivers
FR26584D Expired FR26584E (en) 1920-04-10 1922-04-26 Improvements in radio reception stations

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR26584D Expired FR26584E (en) 1920-04-10 1922-04-26 Improvements in radio reception stations

Country Status (2)

Country Link
US (2) US1381089A (en)
FR (2) FR540819A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2478778A (en) * 1943-06-22 1949-08-09 Bell Telephone Labor Inc Variable delay means
US2482767A (en) * 1943-09-06 1949-09-27 Sperry Corp Broad band antenna
US2563245A (en) * 1944-05-12 1951-08-07 Cossor Ltd A C Voltage combining circuits
US2501778A (en) * 1946-10-10 1950-03-28 Rca Corp Broadcast antenna
US2901687A (en) * 1950-09-30 1959-08-25 Engineering Res Corp Method and apparatus for ground-wave transmission and reception of radio waves
TW434764B (en) * 1999-12-03 2001-05-16 Via Tech Inc Structure for reducing the mutual inductance between adjacent wires on a substrate
US9209525B2 (en) 2011-04-01 2015-12-08 Q-Track Corporation Directive, electrically-small UWB antenna system and method
DE102009019546A1 (en) * 2009-04-30 2010-12-09 Kathrein-Werke Kg Magnetically coupling near-field RFID antenna
US7999751B2 (en) * 2009-05-01 2011-08-16 Kathrein-Werke Kg Magnetically coupling near-field RFID antenna
US11038269B2 (en) 2018-09-10 2021-06-15 Hrl Laboratories, Llc Electronically steerable holographic antenna with reconfigurable radiators for wideband frequency tuning
US11374315B2 (en) 2020-03-10 2022-06-28 Mark Bauman Compact and low-profile directional antenna array
US11710898B1 (en) 2020-05-29 2023-07-25 Hrl Laboratories, Llc Electronically-scanned antennas with distributed amplification

Also Published As

Publication number Publication date
US1435009A (en) 1922-11-07
FR26584E (en) 1924-02-01
US1381089A (en) 1921-06-07

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