WO1998038778A3 - Arrangement in which a useful signal is transmitted between at least two device units - Google Patents

Arrangement in which a useful signal is transmitted between at least two device units Download PDF

Info

Publication number
WO1998038778A3
WO1998038778A3 PCT/IB1998/000119 IB9800119W WO9838778A3 WO 1998038778 A3 WO1998038778 A3 WO 1998038778A3 IB 9800119 W IB9800119 W IB 9800119W WO 9838778 A3 WO9838778 A3 WO 9838778A3
Authority
WO
WIPO (PCT)
Prior art keywords
power supply
device units
transmitted
arrangement
storage means
Prior art date
Application number
PCT/IB1998/000119
Other languages
French (fr)
Other versions
WO1998038778A2 (en
Inventor
Jean Yves Muller
Original Assignee
Koninkl Philips Electronics Nv
Philips Norden Ab
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 Koninkl Philips Electronics Nv, Philips Norden Ab filed Critical Koninkl Philips Electronics Nv
Priority to EP98900641A priority Critical patent/EP0920769A2/en
Priority to KR1019980708624A priority patent/KR20000065062A/en
Priority to JP10529222A priority patent/JP2000510309A/en
Priority to CN98800518.2A priority patent/CN1210931C/en
Priority to PCT/IB1998/000119 priority patent/WO1998038778A2/en
Publication of WO1998038778A2 publication Critical patent/WO1998038778A2/en
Publication of WO1998038778A3 publication Critical patent/WO1998038778A3/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M19/00—Current supply arrangements for telephone systems
    • H04M19/08—Current supply arrangements for telephone systems with current supply sources at the substations
    • 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
    • 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

Abstract

An arrangement is described in which a useful signal is transmitted between at least two device units each having its own power supply circuit, the power supply circuit of at least one of these device units being supplied with power from a preferably electrochemical energy storage means and the power supply circuit of at least second one of these device units being supplied with power from a power supply mains. In order to enable backup operation of the device unit or device units powered from the power supply mains in case of failure of the power supply mains, at least one of the device units powered from a power supply mains can be coupled, preferably directly, to at least one of the device units powered from an energy storage means for their common power supply from the energy storage means and/or for useful-signal transmission via coupling elements.
PCT/IB1998/000119 1997-02-28 1998-01-29 Arrangement in which a useful signal is transmitted between at least two device units WO1998038778A2 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP98900641A EP0920769A2 (en) 1997-02-28 1998-01-29 Arrangement in which a useful signal is transmitted between at least two device units
KR1019980708624A KR20000065062A (en) 1997-02-28 1998-01-29 Device in which valid signal is transmitted between two or more device units
JP10529222A JP2000510309A (en) 1997-02-28 1998-01-29 Equipment for transmitting a valid signal between at least two device units
CN98800518.2A CN1210931C (en) 1997-02-28 1998-01-29 Arrangement in which useful signal is transmitted between at least two device units
PCT/IB1998/000119 WO1998038778A2 (en) 1997-02-28 1998-01-29 Arrangement in which a useful signal is transmitted between at least two device units

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP97400473 1997-02-28
EP97400473.1 1997-02-28
PCT/IB1998/000119 WO1998038778A2 (en) 1997-02-28 1998-01-29 Arrangement in which a useful signal is transmitted between at least two device units

Publications (2)

Publication Number Publication Date
WO1998038778A2 WO1998038778A2 (en) 1998-09-03
WO1998038778A3 true WO1998038778A3 (en) 1998-12-10

Family

ID=8229721

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB1998/000119 WO1998038778A2 (en) 1997-02-28 1998-01-29 Arrangement in which a useful signal is transmitted between at least two device units

Country Status (6)

Country Link
US (1) US6044280A (en)
EP (1) EP0920769A2 (en)
JP (1) JP2000510309A (en)
KR (1) KR20000065062A (en)
CN (1) CN1210931C (en)
WO (1) WO1998038778A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6668178B1 (en) * 1998-09-01 2003-12-23 Thomson Licensing S.A. Battery-backup mechanism for base unit of wireless telephone system
KR200376833Y1 (en) * 1999-06-18 2005-03-10 엘지정보통신주식회사 Power Supply for Wireless Phone Using Battery of Portable Phone
US6130518A (en) * 1999-12-22 2000-10-10 Motorola, Inc. Method and apparatus for charging a battery
US7065390B2 (en) * 2003-11-14 2006-06-20 Vtech Telecommunications Limited Low cost power back-up system for cordless telephone system
TWM405520U (en) * 2010-10-29 2011-06-11 Digi Triumph Technology Inc Uninterrupted power detection system(I)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4995072A (en) * 1989-06-30 1991-02-19 Harold Sandler Self-powered base and remote telephone communication set
WO1995011498A1 (en) * 1993-10-22 1995-04-27 Scarinus Development Ab A remote control device
US5495530A (en) * 1992-07-21 1996-02-27 Advanced Micro Devices, Inc. Low power emergency telephone mode

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0494780B1 (en) * 1991-01-11 1997-03-26 Kabushiki Kaisha Toshiba An adapter unit for adaptively supplying a portable radio telephone with power
EP0523722B1 (en) * 1991-07-19 1997-10-22 Fujitsu Limited Cordless telephone set
JP2746281B2 (en) * 1991-11-05 1998-05-06 日本電気株式会社 Wireless telephone system
GB2279827B (en) * 1993-06-02 1998-01-07 Vtech Communications Ltd Alternative power supply apparatus
JPH0927836A (en) * 1995-07-12 1997-01-28 Uniden Corp Cordless telephone set with power failure detection function
US5689825A (en) * 1995-07-28 1997-11-18 Motorola, Inc. Method and apparatus for downloading updated software to portable wireless communication units
US5914585A (en) * 1996-02-20 1999-06-22 Norand Corporation Power sharing in computing systems with a plurality of electronic devices
US5734252A (en) * 1996-12-20 1998-03-31 Ericsson, Inc. Method and apparatus for charging a battery of an electronic device using an intelligent external charger
US5889381A (en) * 1997-03-14 1999-03-30 Ericsson, Inc. Means of communication between a battery pack and a battery powered device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4995072A (en) * 1989-06-30 1991-02-19 Harold Sandler Self-powered base and remote telephone communication set
US5495530A (en) * 1992-07-21 1996-02-27 Advanced Micro Devices, Inc. Low power emergency telephone mode
WO1995011498A1 (en) * 1993-10-22 1995-04-27 Scarinus Development Ab A remote control device

Also Published As

Publication number Publication date
CN1224558A (en) 1999-07-28
EP0920769A2 (en) 1999-06-09
JP2000510309A (en) 2000-08-08
KR20000065062A (en) 2000-11-06
US6044280A (en) 2000-03-28
WO1998038778A2 (en) 1998-09-03
CN1210931C (en) 2005-07-13

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