GB9602258D0 - A method for improving the hands free operation in a mobile station and a mobile station - Google Patents

A method for improving the hands free operation in a mobile station and a mobile station

Info

Publication number
GB9602258D0
GB9602258D0 GBGB9602258.7A GB9602258A GB9602258D0 GB 9602258 D0 GB9602258 D0 GB 9602258D0 GB 9602258 A GB9602258 A GB 9602258A GB 9602258 D0 GB9602258 D0 GB 9602258D0
Authority
GB
United Kingdom
Prior art keywords
mobile station
improving
free operation
hands free
hands
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.)
Withdrawn
Application number
GBGB9602258.7A
Other versions
GB2297463A (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.)
Nokia Oyj
Original Assignee
Nokia Mobile Phones 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 Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Publication of GB9602258D0 publication Critical patent/GB9602258D0/en
Publication of GB2297463A publication Critical patent/GB2297463A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/001—Details of arrangements applicable to more than one type of frequency demodulator
    • H03D3/003—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback
    • H03D3/005—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback wherein the demodulated signal is used for controlling a bandpass filter
    • 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
    • H04B1/16—Circuits
    • H04B1/1646—Circuits adapted for the reception of stereophonic signals
    • H04B1/1661—Reduction of noise by manipulation of the baseband composite stereophonic signal or the decoded left and right channels
GB9602258A 1995-01-27 1996-01-24 Improving reception in a mobile phone by controlling the bandwidth of a filter in the signal path in dependence on some signal parameter Withdrawn GB2297463A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI950380A FI99068C (en) 1995-01-27 1995-01-27 Procedure for improving speaker function in mobile phone and mobile phone

Publications (2)

Publication Number Publication Date
GB9602258D0 true GB9602258D0 (en) 1996-04-03
GB2297463A GB2297463A (en) 1996-07-31

Family

ID=8542592

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9602258A Withdrawn GB2297463A (en) 1995-01-27 1996-01-24 Improving reception in a mobile phone by controlling the bandwidth of a filter in the signal path in dependence on some signal parameter

Country Status (2)

Country Link
FI (1) FI99068C (en)
GB (1) GB2297463A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2356305B (en) * 1996-07-11 2001-07-25 Nec Corp Portable telephone capable of decreasing noise
JP2880955B2 (en) * 1996-07-11 1999-04-12 埼玉日本電気株式会社 Mobile phone equipment

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB856892A (en) * 1957-11-14 1960-12-21 Collins Radio Co Means for reducing the threshold of angular-modulation receivers
CA1190289A (en) * 1981-04-28 1985-07-09 Nippon Hoso Kyokai Fm signal demodulation system
WO1983000973A1 (en) * 1981-08-31 1983-03-17 Ohta, Tomozo High-sensitivity fm demodulating system
IT1212744B (en) * 1983-05-19 1989-11-30 Sogs Ates Componenti Elettroni CIRCUIT FOR THE ATTENUATION OF INTERFERENCE IN A RADIO RECEIVER BY USING AN ADJUSTABLE BANDWIDTH LOW-PASS FILTER.
US5287556A (en) * 1990-09-28 1994-02-15 Motorola, Inc. Interference reduction using an adaptive receiver filter, signal strength, and BER sensing

Also Published As

Publication number Publication date
FI950380A (en) 1996-07-28
FI99068B (en) 1997-06-13
FI950380A0 (en) 1995-01-27
FI99068C (en) 1997-09-25
GB2297463A (en) 1996-07-31

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)