NL275456A - - Google Patents

Info

Publication number
NL275456A
NL275456A NL275456DA NL275456A NL 275456 A NL275456 A NL 275456A NL 275456D A NL275456D A NL 275456DA NL 275456 A NL275456 A NL 275456A
Authority
NL
Netherlands
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 of NL275456A publication Critical patent/NL275456A/xx

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H2/00Networks using elements or techniques not provided for in groups H03H3/00 - H03H21/00
    • H03H2/005Coupling circuits between transmission lines or antennas and transmitters, receivers or amplifiers
    • H03H2/008Receiver or amplifier input circuits
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H01Q7/005Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with variable reactance for tuning the antenna
NL275456D 1961-06-20 NL275456A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2232461A GB921950A (en) 1961-06-20 1961-06-20 Broad band loop antenna

Publications (1)

Publication Number Publication Date
NL275456A true NL275456A (xx)

Family

ID=10177546

Family Applications (1)

Application Number Title Priority Date Filing Date
NL275456D NL275456A (xx) 1961-06-20

Country Status (2)

Country Link
GB (1) GB921950A (xx)
NL (1) NL275456A (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2384367A (en) * 2002-01-22 2003-07-23 Benjamin Edginton Multi-band small loop antenna
US9070969B2 (en) 2010-07-06 2015-06-30 Apple Inc. Tunable antenna systems
US9246221B2 (en) 2011-03-07 2016-01-26 Apple Inc. Tunable loop antennas
US9166279B2 (en) 2011-03-07 2015-10-20 Apple Inc. Tunable antenna system with receiver diversity
US9350069B2 (en) 2012-01-04 2016-05-24 Apple Inc. Antenna with switchable inductor low-band tuning
US9190712B2 (en) 2012-02-03 2015-11-17 Apple Inc. Tunable antenna system
EP3439109A1 (de) * 2017-08-01 2019-02-06 Antretter & Huber GmbH Sende- und/oder empfangsvorrichtung
IL256639B (en) 2017-12-28 2022-09-01 Elta Systems Ltd Compact antenna

Also Published As

Publication number Publication date
GB921950A (en) 1963-03-27

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