JPS6486739A - Car telephone equipment - Google Patents

Car telephone equipment

Info

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
Application number
JP62244608A
Other languages
English (en)
Inventor
Toru Kuge
Hiroshi Kinoshita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Toshiba AVE Co Ltd
Original Assignee
Toshiba Corp
Toshiba Audio Video Engineering Co Ltd
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 Toshiba Corp, Toshiba Audio Video Engineering Co Ltd filed Critical Toshiba Corp
Priority to JP62244608A priority Critical patent/JPS6486739A/ja
Priority to US07/246,104 priority patent/US4962543A/en
Priority to EP88308700A priority patent/EP0310284B1/en
Priority to DE3850025T priority patent/DE3850025T2/de
Priority to CA000578685A priority patent/CA1300231C/en
Priority to KR1019880012644A priority patent/KR910005474B1/ko
Publication of JPS6486739A publication Critical patent/JPS6486739A/ja
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M19/00Current supply arrangements for telephone systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02Power saving arrangements
    • H04W52/0209Power saving arrangements in terminal devices
    • H04W52/0261Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
    • H04W52/0274Power 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
    • H04W52/0277Power 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/64Automatic arrangements for answering calls; Automatic arrangements for recording messages for absent subscribers; Arrangements for recording conversations
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing 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)
JP62244608A 1987-09-29 1987-09-29 Car telephone equipment Pending JPS6486739A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
JPS6486739A (en) Car telephone equipment
US4962523A (en) Radio telephone set used as portable set and vehicle-mounted set
CA2025745A1 (en) Electronic apparatus capable of controlling electric current supply
EP0319020A3 (en) Over-discharge protection circuit
EP0920106A3 (en) Charging control method and charging control device
EP0800955A3 (en) Power supply device for vehicle
EP0350325A3 (en) Motor vehicle anti-theft device
EP0343571A3 (en) Mobile station for an automobile telephone system
GR3018908T3 (en) Electrical power distribution system.
CA2028905C (en) Apparatus for controlling a power supply of an electric machine in a vehicle
EP0980131A3 (de) Verfahren und Überwachungsvorrichtung zur Überwachung wenigstens eines von zur Notversorgung von elektrischen und/oder elektronischen Verbrauchern zuschaltbaren Batteriesatzes
JPS6478948A (en) Power supply for car
JPS5797241A (en) Power supply connecting system for car telephone set having auxiliary callout function
JPS6416153A (en) Cordless telephone system
EP0342049A3 (en) Power supply control circuit for use in vehicle equipment
CA2105376A1 (en) Telephone Line Interface Circuit with Voltage Switching
JPS57178470A (en) Terminal feeding system
JPH0410299B2 (ja)
JPS5769992A (en) Monitor control system
JPH055806Y2 (ja)
JPS6453059A (en) Starting load decrease circuit of automobile
JPS6426334A (en) Power supply system of net terminating set
JPS6429207A (en) Automatic voltage change-over circuit
JPS6468051A (en) Terminal equipment
JPS57152761A (en) Control circuit for service loop of public telephone