HK9197A - Automatic antenna tuning system for portable communication devices - Google Patents

Automatic antenna tuning system for portable communication devices

Info

Publication number: HK9197A
Authority: HK; Hong Kong
Prior art keywords: communication devices; portable communication; tuning system; antenna tuning; automatic antenna
Prior art date: 1987-01-02

Application number

HK9197A

Other languages

English (en)

Inventor

Philip Paul Macnak

James Stuart Irwin

Walter Lee Davis

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.)

1987-01-02

Filing date

1997-01-23

Publication date

1997-01-31

1997-01-23 Application filed by Motorola Inc filed Critical Motorola Inc

1997-01-31 Publication of HK9197A publication Critical patent/HK9197A/xx

Classifications

- 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
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
- H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
- H03J7/02—Automatic frequency control

HK9197A 1987-01-02 1997-01-23 Automatic antenna tuning system for portable communication devices HK9197A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
PCT/US1987/000002 WO1988005214A1 (en)	1987-01-02	1987-01-02	Automatic antenna tuning system for portable communication devices

Publications (1)

Publication Number	Publication Date
HK9197A true HK9197A (en)	1997-01-31

Family

ID=22202234

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
HK9197A HK9197A (en)	1987-01-02	1997-01-23	Automatic antenna tuning system for portable communication devices

Country Status (8)

Country	Link
US (1)	US4862516A (de)
EP (1)	EP0341238B1 (de)
JP (1)	JPH0630462B2 (de)
KR (2)	KR930010832B1 (de)
CA (1)	CA1270529A (de)
DE (1)	DE3788427T2 (de)
HK (1)	HK9197A (de)
WO (1)	WO1988005214A1 (de)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5052049A (en) *	1987-10-20	1991-09-24	Telefind Corporation	Paging receiver with continuously tunable antenna
US5012235A (en) *	1987-10-20	1991-04-30	Telefind Corporation	Paging receiver with continuously tunable antenna and RF amplifier
GB2220778B (en) *	1988-07-11	1992-03-25	Automated Security	Vehicle security
US5243356A (en) *	1988-08-05	1993-09-07	Seiko Epson Corporation	Antenna circuit and wrist radio instrument
US5136719A (en) *	1988-12-05	1992-08-04	Seiko Corp.	Automatic antenna tubing method and apparatus
JPH04505237A (ja) *	1989-03-28	1992-09-10	テレフアインド・コーポレーシヨン	連続同調アンテナ及びｒｆ増幅器を備えたページング受信器
US5077834A (en) *	1989-03-28	1991-12-31	Telefind Corporation	Paging receiver with continuously tunable antenna and RF amplifier
US5134724A (en) *	1990-05-08	1992-07-28	Seiko Corp.	Wrist band for wrist-mounted radio with an uninsulated buckle
US5134418A (en) *	1990-06-04	1992-07-28	Motorola, Inc.	Apparatus for sensing the integrity of a wristband antenna
US6055420A (en) *	1990-06-19	2000-04-25	Bose Corproation	Antenna system having a high Q circuit
US5673054A (en) *	1991-05-09	1997-09-30	Seiko Epson Corporation	Antenna and miniature portable wireless transceiver
US5280645A (en) *	1991-05-24	1994-01-18	Motorola, Inc.	Adjustable wristband loop antenna
US5589840A (en) *	1991-11-05	1996-12-31	Seiko Epson Corporation	Wrist-type wireless instrument and antenna apparatus
US5483688A (en) *	1993-01-22	1996-01-09	Seiko Communications Holding N.V.	Adaptive automatic antenna tuning method and apparatus
KR100298001B1 (ko) *	1993-03-17	2001-10-24	구사마 사부로	팔찌형안테나장치및그장치를구비한무선기
US5757326A (en) *	1993-03-29	1998-05-26	Seiko Epson Corporation	Slot antenna device and wireless apparatus employing the antenna device
US5539414A (en) *	1993-09-02	1996-07-23	Inmarsat	Folded dipole microstrip antenna
GB2289989B (en)	1994-05-25	1999-01-06	Nokia Mobile Phones Ltd	Adaptive antenna matching
JP3417083B2 (ja) *	1994-10-04	2003-06-16	セイコーエプソン株式会社	携帯用無線機
JP2888179B2 (ja) *	1995-08-24	1999-05-10	日本電気株式会社	アンテナ同調制御装置
US5991608A (en) *	1996-04-16	1999-11-23	U.S. Phillips Corporation	Portable communication device with optimized transmission loss
DE19620333A1 (de) *	1996-05-21	1997-11-27	Daimler Benz Aerospace Ag	Symmetrierendes Antennenanpaßgerät
US5745844A (en) *	1996-10-04	1998-04-28	Motorola, Inc.	Receiver control in a communication device by antenna de-tuning in strong signal conditions, and method therefor
JPH10276112A (ja) *	1997-03-28	1998-10-13	Sanyo Electric Co Ltd	ラジオ受信機
GB9806612D0 (en) *	1998-03-28	1998-05-27	Philips Electronics Nv	Communication device
US6560270B1 (en) *	1999-03-04	2003-05-06	Northrop Grumman Corporation	Method for tuning a spread spectrum receiver
DE19918057C2 (de) *	1999-04-21	2002-11-07	Infineon Technologies Ag	Vorrichtung zur Einstellung der Abstimmspannung von Abstimmschwingkreisen
US7349691B2 (en) *	2001-07-03	2008-03-25	Microsoft Corporation	System and apparatus for performing broadcast and localcast communications
US7190933B2 (en)	2002-11-01	2007-03-13	Intergration Associates Inc.	Method and apparatus for automatic tuning of a resonant loop antenna in a transceiver circuit
JP3970751B2 (ja) *	2002-11-06	2007-09-05	新潟精密株式会社	ダブルコンバージョン方式の受信機
JP2004282425A (ja) *	2003-03-17	2004-10-07	Casio Comput Co Ltd	電波受信装置、電波時計及び同調容量設定方法
JP4088566B2 (ja) *	2003-08-07	2008-05-21	本田技研工業株式会社	平行軸式変速機
JP2006177927A (ja) *	2004-11-25	2006-07-06	Seiko Instruments Inc	電波修正時計
JP2007318585A (ja) *	2006-05-29	2007-12-06	Alps Electric Co Ltd	デジタル信号受信装置
DE602006002743D1 (de) *	2006-07-06	2008-10-23	Dibcom	Integrierte Abstimmschaltung mit Antennenkontrolleinheit
US7479788B2 (en) *	2006-12-14	2009-01-20	Synaptics Incorporated	Capacitive sensing device tuning
US20090122744A1 (en) *	2007-11-09	2009-05-14	Alexander Maltsev	Selective relaying for wireless networks
JP5640655B2 (ja) *	2010-10-29	2014-12-17	ソニー株式会社	携帯通信装置、リーダ／ライタ装置及び共振周波数調整方法
US8878738B2 (en) *	2012-05-17	2014-11-04	Auden Techno Corp.	Tunable antenna integrated system and module thereof
JP7341964B2 (ja) *	2020-09-15	2023-09-11	株式会社東芝	半導体装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5044711A (de) *	1973-08-24	1975-04-22
JPS5345252B2 (de) *	1974-12-17	1978-12-05
NL182359C (nl) *	1974-12-24	1988-02-16	Fujitsu Ten Ltd	Radio-ontvanger.
US4336534A (en) *	1978-07-17	1982-06-22	Trio Kabushiki Kaisha	Control generator for use in broadcast receiver including improved signal level indicator
JPS5573144A (en) *	1978-11-27	1980-06-02	Sharp Corp	Channel selection device for radio receiver or the like
US4285065A (en) *	1980-01-21	1981-08-18	Motorola, Inc.	Radio with audio graphic equalizer
JPS56110331A (en) *	1980-02-05	1981-09-01	General Denshi Kogyo Kk	Automatic tracking compensation circuit for electronic tuner
DE3115291C2 (de) *	1981-04-15	1983-07-21	Becker Autoradiowerk Gmbh, 7516 Karlsbad	"Abstimmschaltung für Hochfrequenzempfänger"
DE3347132C1 (de) *	1983-12-27	1985-07-04	Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen	Automatisch arbeitendes Abgleichsystem fuer einen Tuner eines Fernsehempfangsgeraetes
EP0184606A3 (de) *	1984-12-05	1988-03-30	A.T. & E. LABORATORIES, INC.	Aufruf-Uhrsystem mit Zeitfensterkommunikation

1987
- 1987-01-02 JP JP62500720A patent/JPH0630462B2/ja not_active Expired - Lifetime
- 1987-01-02 DE DE87900916T patent/DE3788427T2/de not_active Expired - Fee Related
- 1987-01-02 WO PCT/US1987/000002 patent/WO1988005214A1/en active IP Right Grant
- 1987-01-02 EP EP87900916A patent/EP0341238B1/de not_active Expired - Lifetime
- 1987-01-02 KR KR1019880701061A patent/KR930010832B1/ko active
- 1987-01-02 US US07/121,824 patent/US4862516A/en not_active Expired - Lifetime
- 1987-12-21 CA CA000554977A patent/CA1270529A/en not_active Expired - Lifetime
1988
- 1988-09-02 KR KR1019880701061A patent/KR890700931A/ko not_active IP Right Cessation
1997
- 1997-01-23 HK HK9197A patent/HK9197A/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE3788427T2 (de)	1994-03-24
KR890700931A (ko)	1989-04-28
WO1988005214A1 (en)	1988-07-14
US4862516A (en)	1989-08-29
JPH0630462B2 (ja)	1994-04-20
EP0341238B1 (de)	1993-12-08
DE3788427D1 (de)	1994-01-20
JPH02500633A (ja)	1990-03-01
KR930010832B1 (ko)	1993-11-12
EP0341238A1 (de)	1989-11-15
CA1270529A (en)	1990-06-19

Publication	Publication Date	Title
HK9197A (en)	1997-01-31	Automatic antenna tuning system for portable communication devices
GB2208189B (en)	1991-09-04	Portable antenna apparatus for satellite communication
NZ224586A (en)	1990-05-28	Tuned loop antenna for mines communication
EP0297790A3 (en)	1990-09-26	Antenna for portable radio communication apparatus
EP0306918A3 (en)	1989-08-30	Mobile satellite communication system
GB2246053B (en)	1992-03-25	Mobile radio telephone system
GB8807286D0 (en)	1988-04-27	Radio communication system
EP0295678A3 (en)	1990-01-31	Radio telephone system
GB8720742D0 (en)	1987-10-07	Mobile radio communication system
EP0283683A3 (en)	1989-07-19	Portable wireless communication systems
EP0298750A3 (en)	1989-09-06	Radio telephone system
EP0281111A3 (en)	1989-11-08	Mobile communication system
GB2170368B (en)	1989-07-19	Receiver for mobile communication systems
EP0297914A3 (en)	1990-06-13	Radio communication system
GB2201865B (en)	1989-05-04	Mobile radio telephone system
DE3379311D1 (en)	1989-04-06	Radio communication system
EP0308180A3 (en)	1990-11-22	Radio communication apparatus
GB8820024D0 (en)	1988-09-21	Radio communication system
GB8902218D0 (en)	1989-03-22	Means for tuning an antenna
GB2226934B (en)	1991-05-22	Radio communication system
GB8607104D0 (en)	1987-01-21	Radio communication system
YU217587A (en)	1990-12-31	Radio communication system
GB2212643B (en)	1991-10-16	Radio communication apparatus
GB2214385B (en)	1991-06-19	Radio communication system
GB8810745D0 (en)	1988-06-08	Radio communication system

Legal Events

Date	Code	Title	Description
2004-12-15	PC	Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)