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WO2001060113A3 - Volume control device - Google Patents

Volume control device Download PDF

Info

Publication number
WO2001060113A3
WO2001060113A3 PCT/GB2001/000463 GB0100463W WO0160113A3 WO 2001060113 A3 WO2001060113 A3 WO 2001060113A3 GB 0100463 W GB0100463 W GB 0100463W WO 0160113 A3 WO0160113 A3 WO 0160113A3
Authority
WO
WIPO (PCT)
Prior art keywords
input
output
volume control
control device
speaker
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.)
Ceased
Application number
PCT/GB2001/000463
Other languages
French (fr)
Other versions
WO2001060113A2 (en
Inventor
Paul Applewhite
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.)
ITT Manufacturing Enterprises LLC
Original Assignee
ITT Manufacturing Enterprises LLC
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 ITT Manufacturing Enterprises LLC filed Critical ITT Manufacturing Enterprises LLC
Priority to AU2001230412A priority Critical patent/AU2001230412A1/en
Publication of WO2001060113A2 publication Critical patent/WO2001060113A2/en
Publication of WO2001060113A3 publication Critical patent/WO2001060113A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/38—Impedance-matching networks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/24—Frequency- independent attenuators

Landscapes

  • Circuit For Audible Band Transducer (AREA)
  • Stereophonic System (AREA)
  • Control Of Amplification And Gain Control (AREA)

Abstract

A volume control device (10) for controlling speaker volume has two input terminals (16, 18) for receiving a speaker drive input and two output terminals (20, 22) for supplying a conditioned output. A resistor arrangement provides a first variable resistor (30) in series between one input and one output and a second variable resistor (40) across the input terminals. An adjustment element (50) adjusts simultaneously the first and second variable resistors to provide a selectable resistance in series with the output and to maintain a desired impedance across the input. The device provides independent volume control in a multi-speaker system.
PCT/GB2001/000463 2000-02-10 2001-02-05 Volume control device Ceased WO2001060113A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001230412A AU2001230412A1 (en) 2000-02-10 2001-02-05 Volume control device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0003107.0 2000-02-10
GB0003107A GB2359205B (en) 2000-02-10 2000-02-10 Volume control device

Publications (2)

Publication Number Publication Date
WO2001060113A2 WO2001060113A2 (en) 2001-08-16
WO2001060113A3 true WO2001060113A3 (en) 2002-03-14

Family

ID=9885356

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2001/000463 Ceased WO2001060113A2 (en) 2000-02-10 2001-02-05 Volume control device

Country Status (3)

Country Link
AU (1) AU2001230412A1 (en)
GB (1) GB2359205B (en)
WO (1) WO2001060113A2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2079087A (en) * 1980-06-02 1982-01-13 Scholz Donald Thomas Volume control
DE3147916A1 (en) * 1981-12-03 1983-06-23 Siemens AG, 1000 Berlin und 8000 München Circuit arrangement for generating an adjustable-volume audible signal
US5245668A (en) * 1991-05-02 1993-09-14 Sgs-Thomson Microelectronics Gmbh Device for aurally compensated loudness control

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4143245A (en) * 1978-03-03 1979-03-06 Scholz Donald T Constant distortion volume control

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2079087A (en) * 1980-06-02 1982-01-13 Scholz Donald Thomas Volume control
DE3147916A1 (en) * 1981-12-03 1983-06-23 Siemens AG, 1000 Berlin und 8000 München Circuit arrangement for generating an adjustable-volume audible signal
US5245668A (en) * 1991-05-02 1993-09-14 Sgs-Thomson Microelectronics Gmbh Device for aurally compensated loudness control

Also Published As

Publication number Publication date
GB2359205B (en) 2003-08-20
GB2359205A (en) 2001-08-15
AU2001230412A1 (en) 2001-08-20
GB0003107D0 (en) 2000-03-29
WO2001060113A2 (en) 2001-08-16

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