GB2081542B - Portable radio communication device - Google Patents

Portable radio communication device

Info

Publication number
GB2081542B
GB2081542B GB8122060A GB8122060A GB2081542B GB 2081542 B GB2081542 B GB 2081542B GB 8122060 A GB8122060 A GB 8122060A GB 8122060 A GB8122060 A GB 8122060A GB 2081542 B GB2081542 B GB 2081542B
Authority
GB
United Kingdom
Prior art keywords
communication device
radio communication
portable radio
portable
radio
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
GB8122060A
Other languages
English (en)
Other versions
GB2081542A (en
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.)
NEC Corp
Original Assignee
Nippon Electric 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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
Publication of GB2081542A publication Critical patent/GB2081542A/en
Application granted granted Critical
Publication of GB2081542B publication Critical patent/GB2081542B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. Transmission Power Control [TPC] 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
    • H04W52/0274—Power 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
    • H04W52/028—Power 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 switching on or off only a part of the equipment circuit blocks
    • 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)
  • Circuits Of Receivers In General (AREA)
GB8122060A 1980-07-31 1981-07-17 Portable radio communication device Expired GB2081542B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1980108571U JPS6241470Y2 (enExample) 1980-07-31 1980-07-31

Publications (2)

Publication Number Publication Date
GB2081542A GB2081542A (en) 1982-02-17
GB2081542B true GB2081542B (en) 1984-08-22

Family

ID=14488185

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8122060A Expired GB2081542B (en) 1980-07-31 1981-07-17 Portable radio communication device

Country Status (6)

Country Link
US (1) US4380832A (enExample)
JP (1) JPS6241470Y2 (enExample)
AU (1) AU538918B2 (enExample)
CA (1) CA1178663A (enExample)
GB (1) GB2081542B (enExample)
HK (1) HK80289A (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0215418Y2 (enExample) * 1981-01-20 1990-04-25
US4590618A (en) * 1984-03-13 1986-05-20 Motorola, Inc. Receiver having reference voltage stabilization circuitry
US4590394A (en) * 1984-03-13 1986-05-20 Motorola, Inc. Signal processing circuit with voltage clamped input
EP0211849B1 (en) * 1984-12-05 1991-03-13 AT&E CORPORATION Pager system and communication protocol
JPS621322A (ja) * 1985-06-27 1987-01-07 Nec Corp 周波数シンセサイザ
US4749991A (en) * 1986-07-05 1988-06-07 Motorola, Inc. Turn off protection circuit
US4866261A (en) * 1987-01-02 1989-09-12 Motorola, Inc. Data limiter having current controlled response time
JPH0666708B2 (ja) * 1987-02-05 1994-08-24 日本電気株式会社 スピ−カ駆動回路
JP2650714B2 (ja) * 1988-05-12 1997-09-03 松下電器産業株式会社 無線選択呼出受信機
JPH0642691B2 (ja) * 1988-05-21 1994-06-01 富士通株式会社 移動電話端末
GB2314474B (en) * 1996-06-21 2001-03-07 Univ Bristol Low power audio device
ATE393496T1 (de) * 2000-10-10 2008-05-15 Nemerix Sa Elektronische schaltung und rf-empfänger mit energiesparsteuerung

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1562121A (en) * 1976-11-26 1980-03-05 Nippon Electric Co Tone signal detecting circuits

Also Published As

Publication number Publication date
JPS6241470Y2 (enExample) 1987-10-23
GB2081542A (en) 1982-02-17
AU538918B2 (en) 1984-08-30
AU7361181A (en) 1982-03-04
HK80289A (en) 1989-10-20
US4380832A (en) 1983-04-19
JPS5734737U (enExample) 1982-02-24
CA1178663A (en) 1984-11-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930717