GB1350371A - Four channel audio systems - Google Patents

Four channel audio systems

Info

Publication number
GB1350371A
GB1350371A GB2717371*A GB2717371A GB1350371A GB 1350371 A GB1350371 A GB 1350371A GB 2717371 A GB2717371 A GB 2717371A GB 1350371 A GB1350371 A GB 1350371A
Authority
GB
United Kingdom
Prior art keywords
control
knob
resistance
contact
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
Application number
GB2717371*A
Other languages
English (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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of GB1350371A publication Critical patent/GB1350371A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C10/00—Adjustable resistors
    • H01C10/30—Adjustable resistors the contact sliding along resistive element
    • H01C10/38—Adjustable resistors the contact sliding along resistive element the contact moving along a straight path
    • H01C10/40—Adjustable resistors the contact sliding along resistive element the contact moving along a straight path screw operated
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C10/00—Adjustable resistors
    • H01C10/04—Adjustable resistors with specified mathematical relationship between movement of resistor actuating means and value of resistance, other than direct proportional relationship
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C10/00—Adjustable resistors
    • H01C10/16—Adjustable resistors including plural resistive elements
    • H01C10/20—Contact structure or movable resistive elements being ganged

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Adjustable Resistors (AREA)
  • Stereophonic System (AREA)
GB2717371*A 1970-04-23 1971-04-19 Four channel audio systems Expired GB1350371A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3121270A 1970-04-23 1970-04-23

Publications (1)

Publication Number Publication Date
GB1350371A true GB1350371A (en) 1974-04-18

Family

ID=21858199

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2717371*A Expired GB1350371A (en) 1970-04-23 1971-04-19 Four channel audio systems

Country Status (6)

Country Link
US (1) US3663755A (enExample)
JP (1) JPS5136853B1 (enExample)
CA (1) CA933617A (enExample)
DE (2) DE7115556U (enExample)
FR (1) FR2090012A5 (enExample)
GB (1) GB1350371A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2260672A (en) * 1991-10-18 1993-04-21 Chu Kwok H Audio signals splitter

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4920201B1 (enExample) * 1970-09-29 1974-05-23
US3784746A (en) * 1971-07-06 1974-01-08 R Hess Single actuator for effecting multiple controls
US3746788A (en) * 1971-08-05 1973-07-17 Motorola Inc Sound balancing apparatus
US3766547A (en) * 1971-12-08 1973-10-16 Sony Corp Output character display device for use with audio equipment
US3952156A (en) * 1972-09-07 1976-04-20 Xerox Corporation Signal processing system
DE2416659B2 (de) * 1973-04-09 1976-10-28 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka (Japan) Vorrichtung zum steuern von mehreren zu einem satz zusammengefassten widerstaenden
JPS5438257U (enExample) * 1977-08-20 1979-03-13
US4405836A (en) * 1982-01-04 1983-09-20 Motorola, Inc. Signal equalization selector
DE3821562C1 (enExample) * 1988-06-25 1990-02-08 Telefunken Electronic Gmbh, 7100 Heilbronn, De
US7184238B1 (en) * 2002-10-07 2007-02-27 Storage Technology Corporation Track impedance anomaly detection in an automated data storage library
US7312718B2 (en) * 2004-07-26 2007-12-25 Gm Global Technology Operations, Inc. Multifunction control system

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3071648A (en) * 1963-01-01 Stereo amplifier apparatus and the like
US2866124A (en) * 1954-11-30 1958-12-23 Columbia Broadcasting Syst Inc Control potentiometer
US3110769A (en) * 1959-01-17 1963-11-12 Telefunken Gmbh Stereo sound control system
US3082295A (en) * 1959-12-08 1963-03-19 All Union Res Inst Of Cinemato Panoramic mixer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2260672A (en) * 1991-10-18 1993-04-21 Chu Kwok H Audio signals splitter
GB2260672B (en) * 1991-10-18 1995-04-19 Chu Kwok H Audio signals splitter

Also Published As

Publication number Publication date
FR2090012A5 (enExample) 1972-01-07
DE7115556U (de) 1971-08-12
CA933617A (en) 1973-09-11
DE2119686C3 (de) 1973-11-15
US3663755A (en) 1972-05-16
DE2119686B2 (de) 1973-05-03
DE2119686A1 (de) 1971-12-02
JPS5136853B1 (enExample) 1976-10-12

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee