CA2037050C - Portable telephone with power source/mode change during calls - Google Patents

Portable telephone with power source/mode change during calls

Info

Publication number
CA2037050C
CA2037050C CA002037050A CA2037050A CA2037050C CA 2037050 C CA2037050 C CA 2037050C CA 002037050 A CA002037050 A CA 002037050A CA 2037050 A CA2037050 A CA 2037050A CA 2037050 C CA2037050 C CA 2037050C
Authority
CA
Canada
Prior art keywords
power source
radiotelephone
portable
mode
call
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.)
Expired - Fee Related
Application number
CA002037050A
Other languages
English (en)
French (fr)
Other versions
CA2037050A1 (en
Inventor
Michael P. Metroka
Thomas J. Walczak
Robert K. Krolopp
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.)
Motorola Solutions Inc
Original Assignee
Motorola 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 Motorola Inc filed Critical Motorola Inc
Publication of CA2037050A1 publication Critical patent/CA2037050A1/en
Application granted granted Critical
Publication of CA2037050C publication Critical patent/CA2037050C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04W52/0296—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level switching to a backup power supply
CA002037050A 1989-08-03 1990-06-18 Portable telephone with power source/mode change during calls Expired - Fee Related CA2037050C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US38908489A 1989-08-03 1989-08-03
US389,084 1989-08-03

Publications (2)

Publication Number Publication Date
CA2037050A1 CA2037050A1 (en) 1991-02-04
CA2037050C true CA2037050C (en) 1997-05-27

Family

ID=23536741

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002037050A Expired - Fee Related CA2037050C (en) 1989-08-03 1990-06-18 Portable telephone with power source/mode change during calls

Country Status (4)

Country Link
AU (1) AU6353290A (pt)
BR (1) BR9006872A (pt)
CA (1) CA2037050C (pt)
WO (1) WO1991002424A1 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04178055A (ja) * 1990-11-13 1992-06-25 Matsushita Electric Ind Co Ltd 移動電話ハンドフリー装置
US5479479A (en) * 1991-10-19 1995-12-26 Cell Port Labs, Inc. Method and apparatus for transmission of and receiving signals having digital information using an air link
DE4300848A1 (en) * 1992-01-17 1993-08-12 Pioneer Electronic Corp Car telephone system connected to car radio - transmits telephone signals to car radio for replay over loudspeaker and display on radio display
FI923979A0 (fi) * 1992-09-04 1992-09-04 Nokia Mobile Phones Ltd En med batteri fungerande mobiltelefon.
JPH06216827A (ja) * 1993-01-20 1994-08-05 Mitsubishi Electric Corp 携帯電話装置
AU717194B2 (en) * 1994-11-14 2000-03-23 Lenovo Innovations Limited (Hong Kong) Digital cordless telephone system having communication mode switching device
FI103454B1 (fi) * 1996-04-01 1999-06-30 Nokia Telecommunications Oy Matkaviestimen toimintatilojen ohjaus pakettiradiojärjestelmässä
KR20010090079A (ko) * 2001-09-10 2001-10-18 김호영 이동통신 단말기의 전원 안정화 장치
KR20040022496A (ko) * 2002-09-09 2004-03-16 삼신이노텍 주식회사 무선이어마이크폰용 무선전환기기가 내장된 핸드폰용 베터리
DE602004030534D1 (de) 2003-01-28 2011-01-27 Cellport Systems Inc Ein System und ein Verfahren zum Steuern des Zugriffs von Anwendungen auf geschützte Mittel innerhalb eines sicheren Fahrzeugtelematiksystems
US8442476B2 (en) * 2007-07-20 2013-05-14 Cresta Technology Corporation Mobile radio receiver power management systems and methods

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2805420A1 (de) * 1978-02-09 1979-08-16 Bosch Gmbh Robert Funksystem zur uebermittlung von nachrichten
US4680787A (en) * 1984-11-21 1987-07-14 Motorola, Inc. Portable radiotelephone vehicular converter and remote handset
JPS63248227A (ja) * 1987-04-03 1988-10-14 Aisin Seiki Co Ltd 電話装置

Also Published As

Publication number Publication date
BR9006872A (pt) 1991-08-27
AU6353290A (en) 1991-03-11
CA2037050A1 (en) 1991-02-04
WO1991002424A1 (en) 1991-02-21

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKLA Lapsed

Effective date: 20020618