GB2382241B - Speaker volume control means and method of operation - Google Patents

Speaker volume control means and method of operation

Info

Publication number
GB2382241B
GB2382241B GB0126742A GB0126742A GB2382241B GB 2382241 B GB2382241 B GB 2382241B GB 0126742 A GB0126742 A GB 0126742A GB 0126742 A GB0126742 A GB 0126742A GB 2382241 B GB2382241 B GB 2382241B
Authority
GB
United Kingdom
Prior art keywords
control means
volume control
speaker volume
speaker
volume
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
GB0126742A
Other versions
GB0126742D0 (en
GB2382241A (en
Inventor
Mark Corbridge
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.)
Sendo International Ltd
Original Assignee
Sendo International 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 Sendo International Ltd filed Critical Sendo International Ltd
Priority to GB0126742A priority Critical patent/GB2382241B/en
Publication of GB0126742D0 publication Critical patent/GB0126742D0/en
Publication of GB2382241A publication Critical patent/GB2382241A/en
Application granted granted Critical
Publication of GB2382241B publication Critical patent/GB2382241B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/60—Substation equipment, e.g. for use by subscribers including speech amplifiers
    • H04M1/6033—Substation equipment, e.g. for use by subscribers including speech amplifiers for providing handsfree use or a loudspeaker mode in telephone sets
    • H04M1/6041—Portable telephones adapted for handsfree use
    • H04M1/605—Portable telephones adapted for handsfree use involving control of the receiver volume to provide a dual operational mode at close or far distance from the user
    • 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
    • H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
    • H03G3/3078—Circuits generating control signals for digitally modulated signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2250/00—Details of telephonic subscriber devices
    • H04M2250/12—Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Telephone Function (AREA)
GB0126742A 2001-11-07 2001-11-07 Speaker volume control means and method of operation Expired - Fee Related GB2382241B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0126742A GB2382241B (en) 2001-11-07 2001-11-07 Speaker volume control means and method of operation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0126742A GB2382241B (en) 2001-11-07 2001-11-07 Speaker volume control means and method of operation

Publications (3)

Publication Number Publication Date
GB0126742D0 GB0126742D0 (en) 2002-01-02
GB2382241A GB2382241A (en) 2003-05-21
GB2382241B true GB2382241B (en) 2006-08-09

Family

ID=9925336

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0126742A Expired - Fee Related GB2382241B (en) 2001-11-07 2001-11-07 Speaker volume control means and method of operation

Country Status (1)

Country Link
GB (1) GB2382241B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1617702B1 (en) 2004-07-13 2010-09-08 Sony Ericsson Mobile Communications AB Portable electronic equipment with 3D audio rendering
JP2006157611A (en) * 2004-11-30 2006-06-15 Toshiba Corp Terminal device and method of controlling same
FR2988954B1 (en) * 2012-03-30 2014-07-04 Urban Hello TELEPHONE COMBINER WITH POSITIONING DETECTOR FOR CONTROLLING AUDIO RESTITUTION.
CN107172533B (en) * 2017-06-01 2019-09-13 奇酷互联网络科技（深圳）有限公司 A kind of method and apparatus and mobile terminal for selecting sound direction

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0283853A2 (en) * 1987-03-21 1988-09-28 Aisin Seiki Kabushiki Kaisha A telephone system on a vehicle
US5224151A (en) * 1992-04-01 1993-06-29 At&T Bell Laboratories Automatic handset-speakephone switching arrangement for portable communication device
US5337353A (en) * 1992-04-01 1994-08-09 At&T Bell Laboratories Capacitive proximity sensors
US5729604A (en) * 1996-03-14 1998-03-17 Northern Telecom Limited Safety switch for communication device
WO2000057616A2 (en) * 1999-03-19 2000-09-28 Ericsson, Inc. Communications devices and methods that operate according to communications device orientations determined by reference to gravitational sensors
WO2000079769A1 (en) * 1999-06-21 2000-12-28 Telefonaktiebolaget Lm Ericsson (Publ) Apparatus and method of detecting proximity by means of an antenna, and controlling a loudspeaker
WO2000079766A1 (en) * 1999-06-21 2000-12-28 Telefonaktiebolaget Lm Ericsson (Publ) Apparatus and method of sensing proximity by means of light
US20010012792A1 (en) * 1999-05-27 2001-08-09 Matthew J. Murray Automatically adjusting acoustic output of the speaker of a telephone handset

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0283853A2 (en) * 1987-03-21 1988-09-28 Aisin Seiki Kabushiki Kaisha A telephone system on a vehicle
US5224151A (en) * 1992-04-01 1993-06-29 At&T Bell Laboratories Automatic handset-speakephone switching arrangement for portable communication device
EP0564160A2 (en) * 1992-04-01 1993-10-06 AT&T Corp. Automatic handset-speakerphone switching arrangement for portable communication device
US5337353A (en) * 1992-04-01 1994-08-09 At&T Bell Laboratories Capacitive proximity sensors
US5729604A (en) * 1996-03-14 1998-03-17 Northern Telecom Limited Safety switch for communication device
WO2000057616A2 (en) * 1999-03-19 2000-09-28 Ericsson, Inc. Communications devices and methods that operate according to communications device orientations determined by reference to gravitational sensors
US20010012792A1 (en) * 1999-05-27 2001-08-09 Matthew J. Murray Automatically adjusting acoustic output of the speaker of a telephone handset
WO2000079769A1 (en) * 1999-06-21 2000-12-28 Telefonaktiebolaget Lm Ericsson (Publ) Apparatus and method of detecting proximity by means of an antenna, and controlling a loudspeaker
WO2000079766A1 (en) * 1999-06-21 2000-12-28 Telefonaktiebolaget Lm Ericsson (Publ) Apparatus and method of sensing proximity by means of light

Also Published As

Publication number Publication date
GB0126742D0 (en) 2002-01-02
GB2382241A (en) 2003-05-21

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20071107