JPS6486739A - Car telephone equipment - Google Patents
Car telephone equipmentInfo
- Publication number
- JPS6486739A JPS6486739A JP62244608A JP24460887A JPS6486739A JP S6486739 A JPS6486739 A JP S6486739A JP 62244608 A JP62244608 A JP 62244608A JP 24460887 A JP24460887 A JP 24460887A JP S6486739 A JPS6486739 A JP S6486739A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- battery
- automobile
- telephone equipment
- power switch
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
- H04W52/0274—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof
- H04W52/0277—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level by switching on or off the equipment or parts thereof according to available power supply, e.g. switching off when a low battery condition is detected
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/64—Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62244608A JPS6486739A (en) | 1987-09-29 | 1987-09-29 | Car telephone equipment |
US07/246,104 US4962543A (en) | 1987-09-29 | 1988-09-19 | Battery rundown protection system for an automobile having a radio telephone apparatus with an automatic answering function |
EP88308700A EP0310284B1 (en) | 1987-09-29 | 1988-09-20 | Automobile telephone device |
DE3850025T DE3850025T2 (de) | 1987-09-29 | 1988-09-20 | Fahrzeugfernsprechgerät. |
CA000578685A CA1300231C (en) | 1987-09-29 | 1988-09-28 | Automobile telephone device with battery saver |
KR1019880012644A KR910005474B1 (ko) | 1987-09-29 | 1988-09-29 | 자동차전화장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62244608A JPS6486739A (en) | 1987-09-29 | 1987-09-29 | Car telephone equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6486739A true JPS6486739A (en) | 1989-03-31 |
Family
ID=17121265
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62244608A Pending JPS6486739A (en) | 1987-09-29 | 1987-09-29 | Car telephone equipment |
Country Status (6)
Country | Link |
---|---|
US (1) | US4962543A (ja) |
EP (1) | EP0310284B1 (ja) |
JP (1) | JPS6486739A (ja) |
KR (1) | KR910005474B1 (ja) |
CA (1) | CA1300231C (ja) |
DE (1) | DE3850025T2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05252255A (ja) * | 1991-03-12 | 1993-09-28 | Tatekawa Spring Seisakusho:Yugen | 移動機用留守番電話装置 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01220919A (ja) * | 1988-02-29 | 1989-09-04 | Toshiba Corp | 無線電話装置 |
CA1325660C (en) * | 1988-06-16 | 1993-12-28 | Anthony Freeman | Telephone answering machine for use with mobile telephone |
US5109541A (en) * | 1989-11-29 | 1992-04-28 | Hyundai Electronics Industries Co., Ltd. | Car-mounted type booster system for hand-held phone |
US5200688A (en) * | 1991-05-31 | 1993-04-06 | Motorola, Inc. | Vehicular charger |
FI94703C (fi) * | 1992-05-05 | 1995-10-10 | Nokia Mobile Phones Ltd | Matkapuhelimen käyttökortin valvontapiiri |
GB2281458A (en) * | 1993-08-27 | 1995-03-01 | Nokia Telecommunications Oy | Apparatus for managing power supply to a telecommunications base station |
JP3345137B2 (ja) * | 1993-11-29 | 2002-11-18 | 松下電器産業株式会社 | 暗電流削減制御方法 |
US6477312B1 (en) * | 1995-12-07 | 2002-11-05 | Texas Instruments Incorporated | Instant replay system |
EP0849660B1 (fr) * | 1996-12-19 | 2004-10-27 | Koninklijke Philips Electronics N.V. | Appareil électronique portable doté d'un dispositif pour détecter une variation de la tension d'alimentation |
SE511176C2 (sv) * | 1997-12-23 | 1999-08-16 | Ericsson Telefon Ab L M | Reservering, spärrning, upplåsning och utnyttjande av reservkraft vid en terminal för mobil radiokommunikation |
US6037676A (en) * | 1998-08-03 | 2000-03-14 | Foree; Richard V | Electrical current measuring and circuit breaking device |
KR20030050719A (ko) * | 2001-12-19 | 2003-06-25 | 현대자동차주식회사 | 차량 정보 단말기의 입력 검출장치 |
JP2003312387A (ja) * | 2002-04-25 | 2003-11-06 | Jatco Ltd | 車両のセルフシャットオフ異常検知装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5621425A (en) * | 1979-07-31 | 1981-02-27 | Nippon Telegr & Teleph Corp <Ntt> | Radiotelephony automatic incoming unit to be mounted on moving body |
JPS5958926A (ja) * | 1982-09-28 | 1984-04-04 | Nec Corp | 車両通信装置 |
JPS6253528A (ja) * | 1985-09-03 | 1987-03-09 | Nippon Denso Co Ltd | 車両用通信装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2433356A1 (de) * | 1974-07-11 | 1976-01-22 | Ehmann Elektrotech | Anordnung zur stromversorgung von elektrischen verbrauchern aus einer batterie |
US4218717A (en) * | 1978-08-21 | 1980-08-19 | Harry Shuster | Electric control system for motor vehicle |
US4521918A (en) * | 1980-11-10 | 1985-06-04 | General Electric Company | Battery saving frequency synthesizer arrangement |
US4631496A (en) * | 1981-04-06 | 1986-12-23 | Motorola, Inc. | Battery saving system for a frequency synthesizer |
US4439805A (en) * | 1982-05-21 | 1984-03-27 | Gte Automatic Electric Labs Inc. | Low voltage protection circuit |
US4493001A (en) * | 1983-11-10 | 1985-01-08 | General Motors Corporation | Motor vehicle battery rundown protection system |
JPS6139639A (ja) * | 1984-07-30 | 1986-02-25 | Toshiba Corp | 無線電話装置 |
GB8521699D0 (en) * | 1985-08-31 | 1985-10-02 | Elcom Systems Ltd | Mobile telephone answering & recording apparatus |
DE3742312A1 (de) * | 1987-12-14 | 1989-06-22 | Juergen Wemhoener | Tiefentladeschutz fuer kfz-startbatterien, insbesondere bei personenkraftwagen |
-
1987
- 1987-09-29 JP JP62244608A patent/JPS6486739A/ja active Pending
-
1988
- 1988-09-19 US US07/246,104 patent/US4962543A/en not_active Expired - Lifetime
- 1988-09-20 EP EP88308700A patent/EP0310284B1/en not_active Expired - Lifetime
- 1988-09-20 DE DE3850025T patent/DE3850025T2/de not_active Expired - Lifetime
- 1988-09-28 CA CA000578685A patent/CA1300231C/en not_active Expired - Lifetime
- 1988-09-29 KR KR1019880012644A patent/KR910005474B1/ko not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5621425A (en) * | 1979-07-31 | 1981-02-27 | Nippon Telegr & Teleph Corp <Ntt> | Radiotelephony automatic incoming unit to be mounted on moving body |
JPS5958926A (ja) * | 1982-09-28 | 1984-04-04 | Nec Corp | 車両通信装置 |
JPS6253528A (ja) * | 1985-09-03 | 1987-03-09 | Nippon Denso Co Ltd | 車両用通信装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05252255A (ja) * | 1991-03-12 | 1993-09-28 | Tatekawa Spring Seisakusho:Yugen | 移動機用留守番電話装置 |
Also Published As
Publication number | Publication date |
---|---|
KR890006026A (ko) | 1989-05-18 |
EP0310284B1 (en) | 1994-06-08 |
EP0310284A3 (en) | 1990-06-13 |
CA1300231C (en) | 1992-05-05 |
US4962543A (en) | 1990-10-09 |
DE3850025D1 (de) | 1994-07-14 |
KR910005474B1 (ko) | 1991-07-29 |
EP0310284A2 (en) | 1989-04-05 |
DE3850025T2 (de) | 1994-12-01 |
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