FI913520A0 - Reaktansbuffrad ramantenn och foerfarande foer framstaellning daerav. - Google Patents

Reaktansbuffrad ramantenn och foerfarande foer framstaellning daerav.

Info

Publication number
FI913520A0
FI913520A0 FI913520A FI913520A FI913520A0 FI 913520 A0 FI913520 A0 FI 913520A0 FI 913520 A FI913520 A FI 913520A FI 913520 A FI913520 A FI 913520A FI 913520 A0 FI913520 A0 FI 913520A0
Authority
FI
Finland
Prior art keywords
reactance
taps
antenna
reaktansbuffrad
ramantenn
Prior art date
Application number
FI913520A
Other languages
English (en)
Finnish (fi)
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
Publication of FI913520A0 publication Critical patent/FI913520A0/fi

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)
  • 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)
FI913520A 1989-01-23 1991-07-23 Reaktansbuffrad ramantenn och foerfarande foer framstaellning daerav. FI913520A0 (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US29927689A 1989-01-23 1989-01-23
PCT/US1989/005684 WO1990008404A1 (en) 1989-01-23 1989-12-20 Reactance buffered loop antenna and method for making the same

Publications (1)

Publication Number Publication Date
FI913520A0 true FI913520A0 (fi) 1991-07-23

Family

ID=23154095

Family Applications (1)

Application Number Title Priority Date Filing Date
FI913520A FI913520A0 (fi) 1989-01-23 1991-07-23 Reaktansbuffrad ramantenn och foerfarande foer framstaellning daerav.

Country Status (11)

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

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
DE68922221T2 (de) 1995-11-09
EP0454694A4 (en) 1992-06-03
ES2070311T3 (es) 1995-06-01
WO1990008404A1 (en) 1990-07-26
KR910700550A (ko) 1991-03-15
ATE121225T1 (de) 1995-04-15
EP0454694B1 (en) 1995-04-12
JP2588063B2 (ja) 1997-03-05
MY104488A (en) 1994-04-30
EP0454694A1 (en) 1991-11-06
DK136291A (da) 1991-07-16
DK136291D0 (da) 1991-07-16
JPH04504491A (ja) 1992-08-06
DE68922221D1 (de) 1995-05-18
CA2004365A1 (en) 1990-07-23
KR930008833B1 (ko) 1993-09-15
CA2004365C (en) 1994-05-03

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Legal Events

Date Code Title Description
FD Application lapsed