GB2222332B - Radio receiver receiving voice and data signals - Google Patents

Radio receiver receiving voice and data signals

Info

Publication number
GB2222332B
GB2222332B GB8919359A GB8919359A GB2222332B GB 2222332 B GB2222332 B GB 2222332B GB 8919359 A GB8919359 A GB 8919359A GB 8919359 A GB8919359 A GB 8919359A GB 2222332 B GB2222332 B GB 2222332B
Authority
GB
United Kingdom
Prior art keywords
data signals
radio receiver
receiving voice
receiver receiving
voice
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
GB8919359A
Other languages
English (en)
Other versions
GB2222332A (en
GB8919359D0 (en
Inventor
Takashi Hiyama
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
NEC Corp
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 NEC Corp filed Critical NEC Corp
Publication of GB8919359D0 publication Critical patent/GB8919359D0/en
Publication of GB2222332A publication Critical patent/GB2222332A/en
Application granted granted Critical
Publication of GB2222332B publication Critical patent/GB2222332B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/24—Automatic control in frequency-selective amplifiers
    • 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
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • 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
    • H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
    • H04B1/1027—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal
    • H04B2001/1054—Means associated with receiver for limiting or suppressing noise or interference assessing signal quality or detecting noise/interference for the received signal by changing bandwidth

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Superheterodyne Receivers (AREA)
  • Noise Elimination (AREA)
  • Circuits Of Receivers In General (AREA)
GB8919359A 1988-08-25 1989-08-25 Radio receiver receiving voice and data signals Expired - Fee Related GB2222332B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP20949288 1988-08-25
JP23013688 1988-09-16

Publications (3)

Publication Number Publication Date
GB8919359D0 GB8919359D0 (en) 1989-10-11
GB2222332A GB2222332A (en) 1990-02-28
GB2222332B true GB2222332B (en) 1993-03-03

Family

ID=26517488

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8919359A Expired - Fee Related GB2222332B (en) 1988-08-25 1989-08-25 Radio receiver receiving voice and data signals

Country Status (5)

Country Link
US (1) US5095534A (US06633600-20031014-M00021.png)
JP (1) JPH02186723A (US06633600-20031014-M00021.png)
CA (1) CA1312922C (US06633600-20031014-M00021.png)
GB (1) GB2222332B (US06633600-20031014-M00021.png)
HK (1) HK101793A (US06633600-20031014-M00021.png)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE37141E1 (en) 1984-09-10 2001-04-17 Spectrum Information Technologies, Inc. Cellular telephone data communication system and method
US4697281A (en) 1986-03-14 1987-09-29 Spectrum Cellular Communications Corporation, Inc. Cellular telephone data communication system and method
USRE38645E1 (en) 1989-01-19 2004-11-02 Mlr, Llc Portable hybrid communication system and methods
US5263187A (en) * 1989-07-15 1993-11-16 U.S. Philips Corporation Automatic gain control circuit
DE4005272A1 (de) * 1990-02-20 1991-08-22 Bosch Gmbh Robert Verfahren zur zf-bandbreitenumschaltung sowie zf-bandbreitenumschaltvorrichtung
US5127041A (en) * 1990-06-01 1992-06-30 Spectrum Information Technologies, Inc. System and method for interfacing computers to diverse telephone networks
WO1992007422A1 (en) * 1990-10-10 1992-04-30 Motorola, Inc. Active filter circuit
WO1992006786A1 (en) * 1990-10-22 1992-04-30 Motorola, Inc. Selective call receiver with decoder controlled filters
DE4208605A1 (de) * 1992-03-18 1993-09-23 Blaupunkt Werke Gmbh Schaltungsanordnung zur nachbarkanalerkennung und -unterdrueckung in einem rundfunkempfaenger
DE4319457C2 (de) * 1993-06-11 1997-09-04 Blaupunkt Werke Gmbh Schaltungsanordnung zur Nachbarkanalerkennung und -unterdrückung in einem FM-Rundfunkempfänger
JPH0766744A (ja) * 1993-08-30 1995-03-10 Nec Corp 電界検出回路
US5668837A (en) * 1993-10-14 1997-09-16 Ericsson Inc. Dual-mode radio receiver for receiving narrowband and wideband signals
WO1995010889A1 (en) * 1993-10-14 1995-04-20 Ericsson Ge Mobile Communications Inc. Adaptive bandwidth receiver
SG64868A1 (en) * 1993-12-21 1999-05-25 Thomson Consumer Electronics Microcomputer-based carrier detection system for a cordless telephone
DE19531032A1 (de) * 1995-08-23 1997-02-27 Hwa Lin Electronic Co Tuner für direkten Satellitenempfang
GB2356305B (en) * 1996-07-11 2001-07-25 Nec Corp Portable telephone capable of decreasing noise
US5983080A (en) * 1997-06-03 1999-11-09 At & T Corp Apparatus and method for generating voice signals at a wireless communications station
US6178314B1 (en) * 1997-06-27 2001-01-23 Visteon Global Technologies, Inc. Radio receiver with adaptive bandwidth controls at intermediate frequency and audio frequency sections
DE19908855A1 (de) * 1999-03-01 2000-09-07 Delphi Tech Inc Rundfunkempfangsvorrichtung und Verfahren zum Steuern einer Rundfunkempfangsvorrichtung
WO2000077939A1 (en) 1999-06-16 2000-12-21 Koninklijke Philips Electronics N.V. Fm receiver with bandwidth control means
DE10106071C1 (de) * 2001-02-09 2002-07-11 Harman Becker Automotive Sys Fernsehempfänger
US6993311B2 (en) * 2002-02-20 2006-01-31 Freescale Semiconductor, Inc. Radio receiver having an adaptive equalizer and method therefor
US6879216B2 (en) * 2002-10-18 2005-04-12 Agilent Technologies, Inc. Integrated circuit that provides access to an output node of a filter having an adjustable bandwidth
JP4282524B2 (ja) * 2004-03-30 2009-06-24 三洋電機株式会社 Ａｍ受信回路
JP2007028290A (ja) * 2005-07-19 2007-02-01 Sanyo Electric Co Ltd Ａｍラジオ受信回路
JP4610512B2 (ja) * 2006-04-05 2011-01-12 三洋電機株式会社 音声信号処理回路
US8265585B2 (en) 2006-08-31 2012-09-11 Clarion Co., Ltd. IBOC broadcasting receiver
US8787507B2 (en) * 2011-07-25 2014-07-22 Spreadtrum Communications USA Detection and mitigation of interference in a receiver

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0064819A1 (en) * 1981-04-28 1982-11-17 Oki Electric Industry Company, Limited An FM signal demodulation system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4356567A (en) * 1977-06-28 1982-10-26 Pioneer Electronic Corporation Radio receiver with bandwidth switching
JPS5843301Y2 (ja) * 1977-07-02 1983-09-30 ヤマハ株式会社 受信機における受信状態自動選択回路
JPS59185433A (ja) * 1983-04-06 1984-10-22 Trio Kenwood Corp Ａｍ受信機
US4672657A (en) * 1985-12-17 1987-06-09 Motorola, Inc. Multichannel telephone system
JPH0232248U (US06633600-20031014-M00021.png) * 1988-08-24 1990-02-28

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0064819A1 (en) * 1981-04-28 1982-11-17 Oki Electric Industry Company, Limited An FM signal demodulation system

Also Published As

Publication number Publication date
GB2222332A (en) 1990-02-28
HK101793A (en) 1993-10-08
US5095534A (en) 1992-03-10
CA1312922C (en) 1993-01-19
JPH0544209B2 (US06633600-20031014-M00021.png) 1993-07-05
JPH02186723A (ja) 1990-07-23
GB8919359D0 (en) 1989-10-11

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Legal Events

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

Effective date: 20070825