AU468463B2 - A battery saving system and method fora portable communication system - Google Patents

A battery saving system and method fora portable communication system

Info

Publication number
AU468463B2
AU468463B2 AU66924/74A AU6692474A AU468463B2 AU 468463 B2 AU468463 B2 AU 468463B2 AU 66924/74 A AU66924/74 A AU 66924/74A AU 6692474 A AU6692474 A AU 6692474A AU 468463 B2 AU468463 B2 AU 468463B2
Authority
AU
Australia
Prior art keywords
portable communication
battery saving
communication system
method fora
fora portable
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
Application number
AU66924/74A
Other languages
English (en)
Other versions
AU6692474A (en
Inventor
ORVILLE MELFORD ENEAS and CHARLES NELSON LYNK DONALD LAVERNE FENDER, JR
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 AU6692474A publication Critical patent/AU6692474A/en
Application granted granted Critical
Publication of AU468463B2 publication Critical patent/AU468463B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • H03G3/344—Muting responsive to the amount of noise (noise squelch)
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/34—Muting amplifier when no signal is present or when only weak signals are present, or caused by the presence of noise signals, e.g. squelch systems
    • H03G3/341—Muting when no signals or only weak signals are present
    • 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
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/1607—Supply circuits
    • H04B1/1615—Switching on; Switching off, e.g. remotely
    • 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
    • H04B1/44—Transmit/receive switching
    • H04B1/46—Transmit/receive switching by voice-frequency signals; by pilot signals
    • 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
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • 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
    • 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
    • H04W52/0251—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity
    • H04W52/0254—Power saving arrangements in terminal devices using monitoring of local events, e.g. events related to user activity detecting a user operation or a tactile contact or a motion of the device
    • 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)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transceivers (AREA)
AU66924/74A 1973-03-29 1974-03-21 A battery saving system and method fora portable communication system Expired AU468463B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US34620373A 1973-03-29 1973-03-29
USUS346203 1973-03-29

Publications (2)

Publication Number Publication Date
AU6692474A AU6692474A (en) 1975-09-25
AU468463B2 true AU468463B2 (en) 1976-01-15

Family

ID=23358388

Family Applications (1)

Application Number Title Priority Date Filing Date
AU66924/74A Expired AU468463B2 (en) 1973-03-29 1974-03-21 A battery saving system and method fora portable communication system

Country Status (10)

Country Link
JP (1) JPS49130601A (de)
AU (1) AU468463B2 (de)
BR (1) BR7402074D0 (de)
CA (1) CA1018254A (de)
DE (1) DE2415332C2 (de)
ES (1) ES424740A1 (de)
FR (1) FR2223915B1 (de)
GB (1) GB1412386A (de)
IL (1) IL44474A (de)
ZA (1) ZA741786B (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7806618A (nl) * 1978-06-20 1979-12-27 Philips Nv Satellietcommunicatiestelsel voor spraak en telegrafie.
EP0011063B1 (de) * 1978-11-11 1983-07-20 International Mobile Machines Corporation Tragbares Funkfernsprechsystem
IT1202809B (it) * 1978-12-22 1989-02-09 Sits Soc It Telecom Siemens Traslatore di linea per sistemi radiotelefonici
GB2121649A (en) * 1982-05-04 1983-12-21 Edward Desmond Bishop Cordless transmission in audio reproduction system
DE3219953C2 (de) * 1982-05-27 1984-09-27 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Überleitanordnung für die Überleitung von Gesprächen von einer Zweidrahtleitung auf ein Wechselsprechfunkgerät
WO1985000256A1 (en) * 1983-06-27 1985-01-17 The Commonwealth Of Australia Squelch circuit
GB2155279A (en) * 1984-03-03 1985-09-18 Standard Telephones Cables Ltd Cordless telephone
FR2577367B1 (fr) * 1985-02-13 1988-03-11 Alsatel Radio Telecommunicatio Dispositif de communication radiotelephonique
DE3514462A1 (de) * 1985-04-22 1986-10-23 Sennheiser Electronic Kg, 3002 Wedemark Verfahren zur drahtlosen uebertragung von nachrichten
JPS6387845A (ja) * 1986-09-30 1988-04-19 Juki Corp コ−ドレステレホン
DE9115204U1 (de) * 1991-12-07 1992-05-27 RR Elektronische Geräte GmbH + Co KG, 2300 Kiel Antennenfilter
JP2586440B2 (ja) * 1994-05-09 1997-02-26 日本電気株式会社 移動体通信システム
JPH08186624A (ja) * 1994-12-28 1996-07-16 Nec Corp コードレス電話システム
US7742758B2 (en) 2005-08-19 2010-06-22 Callpod, Inc. Mobile conferencing and audio sharing technology
US7707250B2 (en) 2006-05-02 2010-04-27 Callpod, Inc. Wireless communications connection device
EP2137722A4 (de) * 2007-03-30 2014-06-25 Savox Comm Oy Ab Ltd Funkkommunikationsgerät

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1006025B (de) * 1955-02-09 1957-04-11 Philips Patentverwaltung Verfahren zur Nachrichtenuebermittlung zwischen einer an ein Fernsprechnetz anschaltbaren Hauptstation und einer insbesondere ortsbeweglichen Unterstation
DE1099014B (de) * 1956-02-09 1961-02-09 Bbc Brown Boveri & Cie Vorrichtung zur selbsttaetigen Einschaltung eines im Wechselsprechverkehr arbeitenden Telefoniesenders
US3142801A (en) * 1961-09-21 1964-07-28 Siemens Ag Albis Portable call-signal receiver with power saving means
US3458664A (en) * 1965-10-14 1969-07-29 Motorola Inc Control unit for mobile radio telephone system
US3397401A (en) * 1966-05-27 1968-08-13 Hughes Aircraft Co Voice operated communication system
FR1545582A (fr) * 1967-04-12 1968-11-15 Materiel Telephonique Perfectionnements aux réseaux radiotéléphoniques mobiles automatiques
DE1566989A1 (de) * 1967-04-21 1970-02-12 Bbc Brown Boveri & Cie Anordnung zur tongesteuerten Sende-Empfangs-Umschaltung
DE1766215A1 (de) * 1968-04-20 1971-06-09 Tekade Felten & Guilleaume Verfahren zur Nachrichtenuebermittlung im Wechselsprechverkehr zwischen einer an das Fernsprechnetz anschaltbaren Hauptstation und einer meist ortsbeweglichen Unterstation ueber eine Simplex-Funkstrecke
US3586978A (en) * 1969-04-15 1971-06-22 Gte Automatic Electric Lab Inc Touch calling radio telephone terminal
US3628058A (en) * 1970-02-24 1971-12-14 Motorola Inc Integrated dual time constant squelch circuit
US3748584A (en) * 1971-02-09 1973-07-24 Int Standard Electric Corp Apparatus for feeding a single sideband receiver

Also Published As

Publication number Publication date
ES424740A1 (es) 1976-11-01
GB1412386A (en) 1975-11-05
CA1018254A (en) 1977-09-27
DE2415332C2 (de) 1983-09-08
BR7402074D0 (pt) 1974-11-05
FR2223915B1 (de) 1978-06-02
IL44474A0 (en) 1974-07-31
IL44474A (en) 1977-03-31
JPS49130601A (de) 1974-12-14
DE2415332A1 (de) 1974-11-21
ZA741786B (en) 1975-03-26
FR2223915A1 (de) 1974-10-25
AU6692474A (en) 1975-09-25

Similar Documents

Publication Publication Date Title
CA1003492A (en) Rapid battery charging system and method
CA996185A (en) Battery chargers
CA995778A (en) Method and device for building a fair-lead
CA1026827A (en) Radio telephone system
CA998099A (en) Controlled battery charger system
CA1023798A (en) Battery housing
AU475211B2 (en) Portable humidifier
AU468463B2 (en) A battery saving system and method fora portable communication system
CA1007697A (en) Battery charger
CA1014225A (en) Battery charger
CA994977A (en) Portable structural framing member
CA1035968A (en) Wavelength-corrected spectrofluorometer
AU500103B2 (en) Communication system
CA988997A (en) Multicell seawater battery
CA970033A (en) Battery charger
CA993828A (en) Power and free conveyor system
CA1021449A (en) Liquid-crystal cell and a method for its manufacture
CA970426A (en) Battery charging system
CA1008505A (en) Method and means for activating a closed battery
CA982223A (en) Light-weight lead-acid battery
AU499731B2 (en) Dry-charge battery
CA1009858A (en) Portable utility system
CA911560A (en) Telesignalling and communication system
AU7924275A (en) Maintenance-free battery
CA968715A (en) Communication method and apparatus