CA931513A - Speaker protective circuit - Google Patents

Speaker protective circuit

Info

Publication number
CA931513A
CA931513A CA137046A CA137046A CA931513A CA 931513 A CA931513 A CA 931513A CA 137046 A CA137046 A CA 137046A CA 137046 A CA137046 A CA 137046A CA 931513 A CA931513 A CA 931513A
Authority
CA
Canada
Prior art keywords
protective circuit
speaker protective
speaker
circuit
protective
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
CA137046A
Other versions
CA137046S (en
Inventor
W. Pauly Walter
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.)
Stanton Magnetics Inc
Original Assignee
Stanton Magnetics 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 Stanton Magnetics Inc filed Critical Stanton Magnetics Inc
Application granted granted Critical
Publication of CA931513A publication Critical patent/CA931513A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
    • H02H9/041—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using a short-circuiting device
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/007—Protection circuits for transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Protection Of Static Devices (AREA)
CA137046A 1971-04-16 1972-03-14 Speaker protective circuit Expired CA931513A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13470371A 1971-04-16 1971-04-16

Publications (1)

Publication Number Publication Date
CA931513A true CA931513A (en) 1973-08-07

Family

ID=22464585

Family Applications (1)

Application Number Title Priority Date Filing Date
CA137046A Expired CA931513A (en) 1971-04-16 1972-03-14 Speaker protective circuit

Country Status (9)

Country Link
US (1) US3686511A (en)
BE (1) BE781432A (en)
CA (1) CA931513A (en)
CH (1) CH551728A (en)
DE (1) DE2217523A1 (en)
FR (1) FR2133639B1 (en)
GB (1) GB1380151A (en)
IT (1) IT957276B (en)
NL (1) NL7204045A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50117735U (en) * 1974-03-10 1975-09-26
DE2415816C3 (en) * 1974-04-01 1981-10-29 Arndt 7500 Karlsruhe Klingenberg Procedure for limiting the maximum load on electroacoustic transducer systems
JPS5177828A (en) * 1974-12-27 1976-07-06 Matsushita Electric Ind Co Ltd IJOKODENATSUYOKUSEIKAIRO
DE2641079C3 (en) * 1976-09-11 1986-07-31 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Loudspeaker circuit
WO1980002477A1 (en) * 1979-05-08 1980-11-13 Fortieth Benelux Nominees Pty Protection device or circuit for loudspeakers
US4242713A (en) * 1979-10-25 1980-12-30 Goodrich Edward W Triac output asymmetry detector
US4406921A (en) * 1981-06-15 1983-09-27 Electro Audio Dynamics, Inc. Apparatus for improving linearity of electromechanical transducers
US4410924A (en) * 1981-09-10 1983-10-18 The Gorman-Rupp Company Motor protection control circuit
EP0095902A1 (en) * 1982-05-28 1983-12-07 British Broadcasting Corporation Headphone level protection circuit
FI933069A (en) * 1993-07-02 1995-01-03 Nokia Telecommunications Oy Method and apparatus for protecting an electronic circuit
US20080044045A1 (en) * 2006-08-15 2008-02-21 Dobbs-Stanford Corporation Externally fused speaker terminal cup

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215896A (en) * 1962-10-04 1965-11-02 Gen Electric Fast response overload protection circuit
US3317792A (en) * 1964-03-20 1967-05-02 Westinghouse Electric Corp Load protection circuit
GB1110123A (en) * 1965-04-26 1968-04-18 Stone J & Co Ltd Improvements relating to the protection of semi-conductor apparatus
US3549808A (en) * 1967-10-09 1970-12-22 Marantz Co Protective circuit for speaker windings
DE1762472C3 (en) * 1968-06-22 1975-03-06 Grundig, E.M.V.-Elektro-Mechanische Versuchsanstalt-Max Grundig, 8510 Fuerth Overload protection circuit for the transistors of an amplifier provided with an ironless push-pull stage

Also Published As

Publication number Publication date
FR2133639A1 (en) 1972-12-01
US3686511A (en) 1972-08-22
NL7204045A (en) 1972-10-18
GB1380151A (en) 1975-01-08
DE2217523A1 (en) 1972-10-26
IT957276B (en) 1973-10-10
CH551728A (en) 1974-07-15
FR2133639B1 (en) 1978-05-26
BE781432A (en) 1972-09-29

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