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)
  • Aerials With Secondary Devices (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Support Of Aerials (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) DK136291A (de)
ES (1) ES2070311T3 (de)
FI (1) FI913520A0 (de)
MY (1) MY104488A (de)
WO (1) WO1990008404A1 (de)

Families Citing this family (4)

* 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

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

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Legal Events

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