JPH0439755U - - Google Patents
Info
- Publication number
- JPH0439755U JPH0439755U JP1990080661U JP8066190U JPH0439755U JP H0439755 U JPH0439755 U JP H0439755U JP 1990080661 U JP1990080661 U JP 1990080661U JP 8066190 U JP8066190 U JP 8066190U JP H0439755 U JPH0439755 U JP H0439755U
- Authority
- JP
- Japan
- Prior art keywords
- incoming call
- incoming
- radio waves
- receives
- antenna
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3822—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving specially adapted for use in vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/24—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Details Of Aerials (AREA)
- Mobile Radio Communication Systems (AREA)
Description
第1図は本考案の一実施例に係る自動車電話の
アンテナ装置の概略ブロツク図、第2図は第1図
のフローチヤート図、第3図は他の実施例におけ
る概略ブロツク図である。 2……サブアンテナ、4……着呼検出部、6…
…制御部、12……メインアンテナ。
アンテナ装置の概略ブロツク図、第2図は第1図
のフローチヤート図、第3図は他の実施例におけ
る概略ブロツク図である。 2……サブアンテナ、4……着呼検出部、6…
…制御部、12……メインアンテナ。
Claims (1)
- 車体外面に突出して備えたメインアンテナによ
り通話を行なう自動車電話において、着呼電波を
専用に受けるサブアンテナと、この着呼電波から
着呼信号を検出する着呼検出部と、この着呼検出
信号を受けて所定の指令を行なう制御部とを備え
たことを特徴とする自動車電話。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990080661U JPH0439755U (ja) | 1990-07-31 | 1990-07-31 | |
US07/735,019 US5212725A (en) | 1990-07-31 | 1991-07-25 | Telephone being signal responsive for extending and retracting an antenna |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990080661U JPH0439755U (ja) | 1990-07-31 | 1990-07-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0439755U true JPH0439755U (ja) | 1992-04-03 |
Family
ID=13724548
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990080661U Pending JPH0439755U (ja) | 1990-07-31 | 1990-07-31 |
Country Status (2)
Country | Link |
---|---|
US (1) | US5212725A (ja) |
JP (1) | JPH0439755U (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5363426A (en) * | 1992-07-06 | 1994-11-08 | Motorola, Inc. | Extended range paging for a radio frequency communication system |
JP2570582B2 (ja) * | 1993-07-23 | 1997-01-08 | 日本電気株式会社 | 携帯無線機 |
US5689821A (en) * | 1993-12-28 | 1997-11-18 | Nec Corporation | Device for controlling extension and retraction of an antenna |
US5521442A (en) * | 1994-02-18 | 1996-05-28 | General Motors Corporation | Automatic power antenna retraction |
JP2581320B2 (ja) * | 1994-06-23 | 1997-02-12 | 日本電気株式会社 | 携帯型無線装置 |
AU719485B2 (en) * | 1996-04-02 | 2000-05-11 | Nec Corporation | Device for controlling expansion/contraction of an antenna in a radio unit and method therefor |
US5987311A (en) * | 1996-12-27 | 1999-11-16 | Ericsson Inc. | Apparatus for enabling a keypad in response to antenna extension |
EP0888024A1 (en) * | 1997-06-25 | 1998-12-30 | ICO Services Ltd. | Call setup in a mobile communication system |
KR100288128B1 (ko) * | 1997-09-30 | 2001-05-02 | 윤종용 | 무선통신기기의 안테나 자동 인출/인입 장치 및 방법 |
AU721874B2 (en) | 1998-07-28 | 2000-07-13 | Samsung Electronics Co., Ltd. | Method for automatically converting antenna mode in portable telephone |
KR100274949B1 (ko) * | 1998-11-14 | 2000-12-15 | 윤종용 | 이동통신단말기의 다중밴드 자동 안테나 장치 |
KR100365780B1 (ko) * | 2000-09-20 | 2002-12-26 | 삼성전자 주식회사 | 이동통신 단말기의 내장형 단일대역 안테나 구현장치 및휩 안테나 연동방법 |
DE20113339U1 (de) | 2001-08-17 | 2002-03-07 | FUBA Automotive GmbH & Co. KG, 31162 Bad Salzdetfurth | Antennenumschaltung |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5329047A (en) * | 1976-08-31 | 1978-03-17 | Oki Kaiyo Electron:Kk | Whip antenna automatic expansion/contraction unit |
US4649398A (en) * | 1984-01-25 | 1987-03-10 | Nippondenso Co., Ltd. | Motor driven extensible rod antenna for vehicles with position control circuit |
US4675687A (en) * | 1986-01-22 | 1987-06-23 | General Motors Corporation | AM-FM cellular telephone multiband antenna for motor vehicle |
JPS6392132A (ja) * | 1986-10-06 | 1988-04-22 | Toshiba Corp | コ−ドレス電話装置 |
JPS6411043U (ja) * | 1987-07-10 | 1989-01-20 | ||
JPH0797721B2 (ja) * | 1987-10-08 | 1995-10-18 | 原田工業株式会社 | 自動車用アンテナ制御装置 |
JPH01317001A (ja) * | 1988-06-17 | 1989-12-21 | Mitsubishi Electric Corp | アンテナ切替装置 |
US4990929A (en) * | 1988-12-15 | 1991-02-05 | Harada Kogyo Kabushiki Kaisha | Motor-driven automobile antenna with timer circuit |
-
1990
- 1990-07-31 JP JP1990080661U patent/JPH0439755U/ja active Pending
-
1991
- 1991-07-25 US US07/735,019 patent/US5212725A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5212725A (en) | 1993-05-18 |