SE8306279L - Sendar- och mottagarantenn - Google Patents

Sendar- och mottagarantenn

Info

Publication number
SE8306279L
SE8306279L SE8306279A SE8306279A SE8306279L SE 8306279 L SE8306279 L SE 8306279L SE 8306279 A SE8306279 A SE 8306279A SE 8306279 A SE8306279 A SE 8306279A SE 8306279 L SE8306279 L SE 8306279L
Authority
SE
Sweden
Prior art keywords
shiftable
antenna
inductor
capacitor
shifting
Prior art date
Application number
SE8306279A
Other languages
Unknown language ( )
English (en)
Swedish (sv)
Other versions
SE8306279D0 (sv
Inventor
Joaquin Bel Moratalla
Original Assignee
Joaquin Bel Moratalla
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 Joaquin Bel Moratalla filed Critical Joaquin Bel Moratalla
Publication of SE8306279D0 publication Critical patent/SE8306279D0/xx
Publication of SE8306279L publication Critical patent/SE8306279L/

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
    • H01Q9/04—Resonant antennas
    • H01Q9/06—Details
    • H01Q9/14—Length of element or elements adjustable
    • H01Q9/145—Length of element or elements adjustable by varying the electrical length

Landscapes

  • Details Of Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Support Of Aerials (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Transmitters (AREA)
  • Burglar Alarm Systems (AREA)
SE8306279A 1982-11-16 1983-11-15 Sendar- och mottagarantenn SE8306279L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES517418A ES8404573A1 (es) 1982-11-16 1982-11-16 Perfeccionamientos en las antenas emisoras-receptoras.

Publications (2)

Publication Number Publication Date
SE8306279D0 SE8306279D0 (sv) 1983-11-15
SE8306279L true SE8306279L (sv) 1984-05-17

Family

ID=8484926

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8306279A SE8306279L (sv) 1982-11-16 1983-11-15 Sendar- och mottagarantenn

Country Status (17)

Country Link
US (1) US4620194A (nl)
JP (1) JPS59101907A (nl)
BE (1) BE898213A (nl)
CA (1) CA1205903A (nl)
DE (1) DE3340367A1 (nl)
DK (1) DK521183A (nl)
ES (1) ES8404573A1 (nl)
FI (1) FI834178A (nl)
FR (1) FR2536215B1 (nl)
GB (1) GB2130803B (nl)
IL (1) IL70171A0 (nl)
IT (1) IT1172431B (nl)
LU (1) LU85088A1 (nl)
NL (1) NL8303912A (nl)
NO (1) NO834181L (nl)
PT (1) PT77643B (nl)
SE (1) SE8306279L (nl)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5262795A (en) * 1990-01-30 1993-11-16 Cellular Ic, Inc. Unitary cellular antenna system
US5274393A (en) * 1991-09-23 1993-12-28 Allied-Signal Inc. Adjustable helical antenna for a VHF radio
GB2274547A (en) * 1993-01-21 1994-07-27 David Doroba Antenna tuning arrangement
JPH0830749A (ja) * 1994-07-13 1996-02-02 Mitsubishi Electric Corp 非接触ｉｃカード
US5625367A (en) * 1995-03-20 1997-04-29 Unwin; Art Variable capacitance antenna for multiband reception and transmission
WO1996029758A1 (en) * 1995-03-20 1996-09-26 Unwin Art H Variable capacitance antenna with constant impedance matching system for multi frequency reception and transmission
US5955996A (en) * 1995-08-22 1999-09-21 Tandy Corporation Tunable fiberglass antenna
US5982332A (en) * 1998-10-19 1999-11-09 Shakespeare Company Broad band transmit and receive antenna
US6295443B1 (en) * 1998-11-30 2001-09-25 Scott C Matthew Automatic tuning AM transmitter
US6791504B1 (en) * 2003-03-12 2004-09-14 R. A. Miller Industries, Inc. Tunable antenna system
US7176840B1 (en) 2005-04-08 2007-02-13 Michael Peter Kelley Variable spacing inductance coil apparatus and method

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2206820A (en) * 1938-12-07 1940-07-02 Galvin Mfg Corp Antenna system
US2866197A (en) * 1953-03-20 1958-12-23 Itt Tuned antenna system
GB781672A (en) * 1955-11-08 1957-08-21 Standard Telephones Cables Ltd Improvements relating to variable electrical phase-shifters for circularly polarisedwaves
US2993204A (en) * 1958-02-28 1961-07-18 Itt Two-band helical antenna
US3085215A (en) * 1960-02-15 1963-04-09 Jr Howard F Shepherd Precision variable winding impedance
GB1007896A (en) * 1961-03-01 1965-10-22 Pye Ltd Tunable aerials
US3293646A (en) * 1965-07-08 1966-12-20 Brueckmann Helmut Ferrite-filled, coaxial-stub, antenna tuner
US3623113A (en) * 1969-08-21 1971-11-23 Chu Associates Balanced tunable helical monopole antenna
US3671972A (en) * 1970-01-07 1972-06-20 Spilsbury Ashton J Adjustable center loaded antenna arrangement
US3818488A (en) * 1973-01-18 1974-06-18 Itt Shipboard yardarm half-wave antenna
US3909830A (en) * 1974-05-17 1975-09-30 Us Army Tactical high frequency antenna
US4201990A (en) * 1975-04-21 1980-05-06 Hustler, Inc. Tunable dipole antenna
FR2346901A1 (fr) * 1976-04-02 1977-10-28 Alliance Tech Ind Dispositif pour accorder en frequence une antenne radio
US4117492A (en) * 1977-07-26 1978-09-26 The United States Of America As Represented By The Secretary Of The Army Low profile remotely tuned dipole antenna
JPS5490952A (en) * 1977-11-29 1979-07-19 Arechavala Juan M Continuously frequency controlling antenna

Also Published As

Publication number Publication date
IL70171A0 (en) 1984-02-29
ES517418A0 (es) 1983-11-01
BE898213A (fr) 1984-03-01
JPS59101907A (ja) 1984-06-12
NL8303912A (nl) 1984-06-18
PT77643B (en) 1986-03-18
IT8323730A0 (it) 1983-11-15
IT8323730A1 (it) 1985-05-15
CA1205903A (en) 1986-06-10
DE3340367A1 (de) 1984-05-17
SE8306279D0 (sv) 1983-11-15
FR2536215B1 (fr) 1986-01-31
ES8404573A1 (es) 1983-11-01
PT77643A (en) 1983-12-01
LU85088A1 (fr) 1984-04-02
NO834181L (no) 1984-05-18
IT1172431B (it) 1987-06-18
GB8330038D0 (en) 1983-12-14
GB2130803A (en) 1984-06-06
FI834178A0 (fi) 1983-11-15
FI834178A (fi) 1984-05-17
GB2130803B (en) 1985-12-18
DK521183D0 (da) 1983-11-15
US4620194A (en) 1986-10-28
FR2536215A1 (fr) 1984-05-18
DK521183A (da) 1984-05-17

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Legal Events

Date Code Title Description
NAV Patent application has lapsed

Ref document number: 8306279-4

Effective date: 19870601