AU9042098A - Battery-backup mechanism for base unit of wireless telephone system - Google Patents

Battery-backup mechanism for base unit of wireless telephone system

Info

Publication number
AU9042098A
AU9042098A AU90420/98A AU9042098A AU9042098A AU 9042098 A AU9042098 A AU 9042098A AU 90420/98 A AU90420/98 A AU 90420/98A AU 9042098 A AU9042098 A AU 9042098A AU 9042098 A AU9042098 A AU 9042098A
Authority
AU
Australia
Prior art keywords
battery
base unit
telephone system
wireless telephone
backup mechanism
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.)
Abandoned
Application number
AU90420/98A
Inventor
Paul Gothard Knutson
Kumar Ramaswamy
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.)
Thomson Licensing SAS
Original Assignee
Thomson Consumer Electronics 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.)
Filing date
Publication date
Application filed by Thomson Consumer Electronics Inc filed Critical Thomson Consumer Electronics Inc
Publication of AU9042098A publication Critical patent/AU9042098A/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones
    • H04M1/73—Battery saving arrangements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
    • 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
    • H04B1/40—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones
    • H04M1/72502—Cordless telephones with one base station connected to a single line
    • H04M1/72505—Radio link set-up procedures
AU90420/98A 1997-12-12 1998-09-01 Battery-backup mechanism for base unit of wireless telephone system Abandoned AU9042098A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US6955297P 1997-12-12 1997-12-12
US60069552 1997-12-12
PCT/US1998/018106 WO1999031860A1 (en) 1997-12-12 1998-09-01 Battery-backup mechanism for base unit of wireless telephone system

Publications (1)

Publication Number Publication Date
AU9042098A true AU9042098A (en) 1999-07-05

Family

ID=22089750

Family Applications (1)

Application Number Title Priority Date Filing Date
AU90420/98A Abandoned AU9042098A (en) 1997-12-12 1998-09-01 Battery-backup mechanism for base unit of wireless telephone system

Country Status (5)

Country Link
JP (1) JP2002509394A (en)
KR (1) KR100491686B1 (en)
CN (1) CN1284348C (en)
AU (1) AU9042098A (en)
WO (1) WO1999031860A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200376833Y1 (en) * 1999-06-18 2005-03-10 엘지정보통신주식회사 Power Supply for Wireless Phone Using Battery of Portable Phone
DE19938997C1 (en) * 1999-08-17 2001-12-20 Siemens Ag Emergency power supply and associated procedure
WO2003098775A1 (en) * 2002-05-17 2003-11-27 Juan Maria Zunino Sabini Improvements to a power backup device for cordless telephones
US7065390B2 (en) * 2003-11-14 2006-06-20 Vtech Telecommunications Limited Low cost power back-up system for cordless telephone system
US7430679B2 (en) * 2005-08-31 2008-09-30 Apple Inc. Charging of mobile devices
US20100159991A1 (en) * 2008-12-22 2010-06-24 Mediatek Inc. Reliable femtocell system for wireless communication networks
EP2913990B1 (en) * 2014-02-27 2019-04-10 Deutsche Telekom AG Method and device for efficiently providing emergency call functionality in a DECT base station during loss of electrical power supply
US10158248B2 (en) 2014-12-15 2018-12-18 Kohler Co. Communication failure handling

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2279827B (en) * 1993-06-02 1998-01-07 Vtech Communications Ltd Alternative power supply apparatus

Also Published As

Publication number Publication date
KR100491686B1 (en) 2005-05-27
CN1291399A (en) 2001-04-11
WO1999031860A1 (en) 1999-06-24
JP2002509394A (en) 2002-03-26
KR20010040295A (en) 2001-05-15
CN1284348C (en) 2006-11-08

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase