FR2133639A1 - - Google Patents

Info

Publication number
FR2133639A1
FR2133639A1 FR7212757A FR7212757A FR2133639A1 FR 2133639 A1 FR2133639 A1 FR 2133639A1 FR 7212757 A FR7212757 A FR 7212757A FR 7212757 A FR7212757 A FR 7212757A FR 2133639 A1 FR2133639 A1 FR 2133639A1
Authority
FR
France
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.)
Granted
Application number
FR7212757A
Other languages
French (fr)
Other versions
FR2133639B1 (enExample
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
Publication of FR2133639A1 publication Critical patent/FR2133639A1/fr
Application granted granted Critical
Publication of FR2133639B1 publication Critical patent/FR2133639B1/fr
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)
FR7212757A 1971-04-16 1972-04-12 Expired FR2133639B1 (enExample)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FR2133639A1 true FR2133639A1 (enExample) 1972-12-01
FR2133639B1 FR2133639B1 (enExample) 1978-05-26

Family

ID=22464585

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7212757A Expired FR2133639B1 (enExample) 1971-04-16 1972-04-12

Country Status (9)

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

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50117735U (enExample) * 1974-03-10 1975-09-26
DE2415816C3 (de) * 1974-04-01 1981-10-29 Arndt 7500 Karlsruhe Klingenberg Verfahren zur Begrenzung der maximalen Belastung von elektroakustischen Wandlersystemen
JPS5177828A (en) * 1974-12-27 1976-07-06 Matsushita Electric Industrial Co Ltd Ijokodenatsuyokuseikairo
DE2641079C3 (de) * 1976-09-11 1986-07-31 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Lautsprecherschaltung
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
FI933069L (fi) * 1993-07-02 1995-01-03 Nokia Telecommunications Oy Menetelmä ja laitteisto sähköisen piirin suojaamiseksi
US20080044045A1 (en) * 2006-08-15 2008-02-21 Dobbs-Stanford Corporation Externally fused speaker terminal cup

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1477358A (fr) * 1965-04-26 1967-04-14 Stone J & Co Ltd Agencement perfectionné de circuits électriques qui assure la protection d'appareils utilisant des organes semi-conducteurs
DE1762472A1 (de) * 1968-06-22 1970-08-20 Grundig E M V Elcktro Mechamsc UEberlastungsschutzschaltung fuer die Transistoren eines mehrstufigen Verstaerkers
US3549808A (en) * 1967-10-09 1970-12-22 Marantz Co Protective circuit for speaker windings

Family Cites Families (2)

* 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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1477358A (fr) * 1965-04-26 1967-04-14 Stone J & Co Ltd Agencement perfectionné de circuits électriques qui assure la protection d'appareils utilisant des organes semi-conducteurs
US3549808A (en) * 1967-10-09 1970-12-22 Marantz Co Protective circuit for speaker windings
DE1762472A1 (de) * 1968-06-22 1970-08-20 Grundig E M V Elcktro Mechamsc UEberlastungsschutzschaltung fuer die Transistoren eines mehrstufigen Verstaerkers

Also Published As

Publication number Publication date
NL7204045A (enExample) 1972-10-18
IT957276B (it) 1973-10-10
US3686511A (en) 1972-08-22
FR2133639B1 (enExample) 1978-05-26
GB1380151A (en) 1975-01-08
BE781432A (fr) 1972-09-29
CA931513A (en) 1973-08-07
CH551728A (fr) 1974-07-15
DE2217523A1 (de) 1972-10-26

Similar Documents

Publication Publication Date Title
FR2133639B1 (enExample)
AU2658571A (enExample)
AU2691671A (enExample)
AU2952271A (enExample)
AU2726271A (enExample)
AU2894671A (enExample)
AU2941471A (enExample)
AU2485671A (enExample)
AU2684071A (enExample)
AU3005371A (enExample)
AU2742671A (enExample)
AU2875571A (enExample)
AU2669471A (enExample)
AU2724971A (enExample)
AU2706571A (enExample)
AU2885171A (enExample)
AU2684171A (enExample)
AU2837671A (enExample)
AU2907471A (enExample)
AU2927871A (enExample)
AU2577671A (enExample)
AU2938071A (enExample)
AU2588771A (enExample)
AU2486471A (enExample)
AU2740271A (enExample)

Legal Events

Date Code Title Description
ST Notification of lapse