ATE121225T1 - Rahmenantenne mit pufferreaktanz. - Google Patents

Rahmenantenne mit pufferreaktanz.

Info

Publication number
ATE121225T1
ATE121225T1 AT90901381T AT90901381T ATE121225T1 AT E121225 T1 ATE121225 T1 AT E121225T1 AT 90901381 T AT90901381 T AT 90901381T AT 90901381 T AT90901381 T AT 90901381T AT E121225 T1 ATE121225 T1 AT E121225T1
Authority
AT
Austria
Prior art keywords
reactance
taps
antenna
buffer
reactance buffer
Prior art date
Application number
AT90901381T
Other languages
English (en)
Inventor
William Tan
Robert Kurcbart
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Application granted granted Critical
Publication of ATE121225T1 publication Critical patent/ATE121225T1/de

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop 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
    • H01Q7/02—Collapsible antennas; Retractable antennas
    • 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
    • H01Q1/273—Adaptation for carrying or wearing by persons or animals

Landscapes

  • Details Of Aerials (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Support Of Aerials (AREA)
  • Aerials With Secondary Devices (AREA)
  • Structure Of Receivers (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Microscoopes, Condenser (AREA)
  • Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
  • Luminescent Compositions (AREA)
AT90901381T 1989-01-23 1989-12-20 Rahmenantenne mit pufferreaktanz. ATE121225T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US29927689A 1989-01-23 1989-01-23

Publications (1)

Publication Number Publication Date
ATE121225T1 true ATE121225T1 (de) 1995-04-15

Family

ID=23154095

Family Applications (1)

Application Number Title Priority Date Filing Date
AT90901381T ATE121225T1 (de) 1989-01-23 1989-12-20 Rahmenantenne mit pufferreaktanz.

Country Status (11)

Country Link
EP (1) EP0454694B1 (de)
JP (1) JP2588063B2 (de)
KR (1) KR930008833B1 (de)
AT (1) ATE121225T1 (de)
CA (1) CA2004365C (de)
DE (1) DE68922221T2 (de)
DK (1) DK136291D0 (de)
ES (1) ES2070311T3 (de)
FI (1) FI913520A0 (de)
MY (1) MY104488A (de)
WO (1) WO1990008404A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2908248B2 (ja) * 1993-07-16 1999-06-21 日本電気株式会社 腕時計型の選択呼出受信機
GB2280065B (en) * 1993-07-16 1997-05-14 Nec Corp Wristwatch-type selective calling receiver
JP3586929B2 (ja) * 1995-05-10 2004-11-10 カシオ計算機株式会社 携帯無線機器用アンテナおよび携帯無線機器
CN112993534B (zh) * 2019-12-16 2023-04-07 RealMe重庆移动通信有限公司 穿戴式电子设备
DE102022134855A1 (de) * 2022-12-27 2024-06-27 microsynetics GmbH Befestigungsband für eine tragbare Computervorrichtung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57142002A (en) * 1981-02-27 1982-09-02 Toshiba Corp Small-sized loop antenna
US4713808A (en) * 1985-11-27 1987-12-15 A T & E Corporation Watch pager system and communication protocol

Also Published As

Publication number Publication date
FI913520A7 (fi) 1991-07-23
FI913520A0 (fi) 1991-07-23
EP0454694B1 (de) 1995-04-12
DK136291A (da) 1991-07-16
EP0454694A4 (en) 1992-06-03
DE68922221D1 (de) 1995-05-18
ES2070311T3 (es) 1995-06-01
WO1990008404A1 (en) 1990-07-26
MY104488A (en) 1994-04-30
DE68922221T2 (de) 1995-11-09
EP0454694A1 (de) 1991-11-06
KR910700550A (ko) 1991-03-15
KR930008833B1 (ko) 1993-09-15
CA2004365A1 (en) 1990-07-23
JP2588063B2 (ja) 1997-03-05
DK136291D0 (da) 1991-07-16
CA2004365C (en) 1994-05-03
JPH04504491A (ja) 1992-08-06

Similar Documents

Publication Publication Date Title
JPS57142002A (en) Small-sized loop antenna
SG76579A1 (en) A multifrequency microstrip antenna and a device including said antenna
DE69021642D1 (de) Funkübertragungssystem mit einer Frequenz.
SE8900547D0 (sv) Radiofrekvent saendtagaranordning
FI944798A0 (fi) Kannettavan radiolaitteen antenni, sen valmistusmenetelmä, sekä antennin käsittävä kannettava radiolaite
NO303990B1 (no) Lyssender med stort sideforhold, og höy ensartethet og direktivitet
DE69117424D1 (de) Antennenumschaltanordnung für einen Sende-Empfänger mit zwei Betriebsarten
IL99772A0 (en) Rf resonator for use in nmr
ZA916064B (en) A metal fibre for reinforcing concrete and equipment for its manufacture
DE59108613D1 (de) Empfänger mit mindestens zwei Empfangszweigen
DE68922221D1 (de) Rahmenantenne mit pufferreaktanz.
SE9503758L (sv) Antennlåsningsanordning
ATE169776T1 (de) Antennenvorrichtung
BR9006634A (pt) Processo para a fabricacao de pneumaticos com perfil toroidal de elevada curvatura transversal,aparelho para a sua realizacao e produto obtido
FR2643749B1 (fr) Dispositif de couplage d'une ligne coaxiale a haute frequence
IL94923A0 (en) Frequency domain integrating resonant superconducting transmission line detector
DE3785120D1 (de) Primaer-empfangseinheit fuer polarisierte mikrowellen, parabolantenne und empfangsstelle mit solcher einheit.
ES2072405T3 (es) Base de transmision para un dispositivo de comunicacion radiotelefonica.
GB9124435D0 (en) Integrated microwave frequency balun coupler,in particular for dipole antenna
GB9013762D0 (en) Voltage-controlled oscillator
DE69017622D1 (de) Ebene Hohlleiter-Gruppenantenne mit L-förmigen Serien/Serien-Koppelschlitzen.
GB2236616B (en) Crystal frequency adjustment
EP0369757A3 (de) Wendelleiterfilter
DE69200275D1 (de) Steuereinrichtung für einen Phasenregelkreis mit Frequenzversetzung.
FR2632124B1 (fr) Dispositif plan d'emission ou reception d'ondes electromagnetiques tres larges bandes a resonance variable par accord capacitif

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee