DK136291A - Sloejfeantenne med reaktansbuffer og fremgangsmaade til udfoerelse heraf - Google Patents

Sloejfeantenne med reaktansbuffer og fremgangsmaade til udfoerelse heraf Download PDF

Info

Publication number: DK136291A
Authority: DK; Denmark
Prior art keywords: reactance; antenna; taps; reactance buffer; segment
Prior art date: 1989-01-23

Application number

DK136291A

Other languages

English (en)

Other versions

DK136291D0 (da

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.)

1989-01-23

Filing date

1991-07-16

Publication date

1991-07-16

1991-07-16 Application filed by Motorola Inc filed Critical Motorola Inc

1991-07-16 Publication of DK136291A publication Critical patent/DK136291A/da

1991-07-16 Publication of DK136291D0 publication Critical patent/DK136291D0/da

Links

239000000872 buffer Substances 0.000 title abstract 7
238000000034 method Methods 0.000 title 1
230000008878 coupling Effects 0.000 abstract 1
238000010168 coupling process Methods 0.000 abstract 1
238000005859 coupling reaction Methods 0.000 abstract 1

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)
Support Of Aerials (AREA)
Structure Of Receivers (AREA)
Variable-Direction Aerials And Aerial Arrays (AREA)
Aerials With Secondary Devices (AREA)
Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Luminescent Compositions (AREA)
Microscoopes, Condenser (AREA)
Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)

DK911362A 1989-01-23 1991-07-16 Sloejfeantenne med reaktansbuffer og fremgangsmaade til udfoerelse heraf DK136291D0 (da)

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 (2)

Publication Number	Publication Date
DK136291A true DK136291A (da)	1991-07-16
DK136291D0 DK136291D0 (da)	1991-07-16

Family

ID=23154095

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK911362A DK136291D0 (da)	1989-01-23	1991-07-16	Sloejfeantenne med reaktansbuffer og fremgangsmaade til udfoerelse heraf

Country Status (11)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2280065B (en) *	1993-07-16	1997-05-14	Nec Corp	Wristwatch-type selective calling receiver
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
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

1989
- 1989-12-01 CA CA002004365A patent/CA2004365C/en not_active Expired - Fee Related
- 1989-12-05 MY MYPI89001703A patent/MY104488A/en unknown
- 1989-12-20 DE DE68922221T patent/DE68922221T2/de not_active Expired - Fee Related
- 1989-12-20 KR KR1019900702105A patent/KR930008833B1/ko not_active Expired - Fee Related
- 1989-12-20 ES ES90901381T patent/ES2070311T3/es not_active Expired - Lifetime
- 1989-12-20 AT AT90901381T patent/ATE121225T1/de not_active IP Right Cessation
- 1989-12-20 FI FI913520A patent/FI913520A0/fi not_active Application Discontinuation
- 1989-12-20 WO PCT/US1989/005684 patent/WO1990008404A1/en not_active Ceased
- 1989-12-20 JP JP2502236A patent/JP2588063B2/ja not_active Expired - Lifetime
- 1989-12-20 EP EP90901381A patent/EP0454694B1/en not_active Expired - Lifetime
1991
- 1991-07-16 DK DK911362A patent/DK136291D0/da not_active Application Discontinuation

Also Published As

Publication number	Publication date
DE68922221T2 (de)	1995-11-09
ATE121225T1 (de)	1995-04-15
DE68922221D1 (de)	1995-05-18
EP0454694A1 (en)	1991-11-06
EP0454694B1 (en)	1995-04-12
JP2588063B2 (ja)	1997-03-05
EP0454694A4 (en)	1992-06-03
FI913520A7 (fi)	1991-07-23
KR930008833B1 (ko)	1993-09-15
WO1990008404A1 (en)	1990-07-26
ES2070311T3 (es)	1995-06-01
MY104488A (en)	1994-04-30
JPH04504491A (ja)	1992-08-06
DK136291D0 (da)	1991-07-16
CA2004365A1 (en)	1990-07-23
CA2004365C (en)	1994-05-03
KR910700550A (ko)	1991-03-15
FI913520A0 (fi)	1991-07-23

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Legal Events

Date	Code	Title	Description
1993-08-30	AHB	Application shelved due to non-payment