JPS52154622A - Circuit for protecting loudspeaker from overload - Google Patents

Circuit for protecting loudspeaker from overload

Info

Publication number
JPS52154622A
JPS52154622A JP6314177A JP6314177A JPS52154622A JP S52154622 A JPS52154622 A JP S52154622A JP 6314177 A JP6314177 A JP 6314177A JP 6314177 A JP6314177 A JP 6314177A JP S52154622 A JPS52154622 A JP S52154622A
Authority
JP
Japan
Prior art keywords
overload
circuit
protecting loudspeaker
loudspeaker
protecting
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.)
Pending
Application number
JP6314177A
Other languages
English (en)
Japanese (ja)
Inventor
Geeberu Ruudorufu
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of JPS52154622A publication Critical patent/JPS52154622A/ja
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/14—Bending sheet metal along straight lines, e.g. to form simple curves by passing between rollers
    • 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
    • H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
    • 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

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Circuit For Audible Band Transducer (AREA)
JP6314177A 1976-05-29 1977-05-30 Circuit for protecting loudspeaker from overload Pending JPS52154622A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762624252 DE2624252B2 (de) 1976-05-29 1976-05-29 Überlastschutz-Schaltung für eine Lautsprecheranordnung

Publications (1)

Publication Number Publication Date
JPS52154622A true JPS52154622A (en) 1977-12-22

Family

ID=5979366

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6314177A Pending JPS52154622A (en) 1976-05-29 1977-05-30 Circuit for protecting loudspeaker from overload

Country Status (8)

Country Link
JP (1) JPS52154622A (OSRAM)
AT (2) AT349087B (OSRAM)
CH (1) CH617806A5 (OSRAM)
DE (1) DE2624252B2 (OSRAM)
DK (1) DK144500C (OSRAM)
FR (1) FR2353194A1 (OSRAM)
GB (1) GB1586495A (OSRAM)
NL (1) NL7705969A (OSRAM)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1203188B (it) * 1978-06-21 1989-02-15 Cabre S A S Di Ferro A E C Unita elettronica di protezione per diffusori acustici di impianti di riproduzione sonora
US4296278A (en) * 1979-01-05 1981-10-20 Altec Corporation Loudspeaker overload protection circuit
DE2933010C2 (de) * 1979-08-16 1983-03-31 Standard Elektrik Lorenz Ag, 7000 Stuttgart Überlastschutz- und Überlastanzeige -Schaltung für eine Lautsprecheranordnung
US4481553A (en) * 1982-04-05 1984-11-06 General Electric Company Protection circuit
DE3644288A1 (de) * 1986-12-23 1988-07-07 Hans Deutsch Akustikforschung Ueberlastungsschutzschaltung
US6308549B1 (en) * 1998-11-26 2001-10-30 Denso Corporation Apparatus and method for forming spirally wound stator core or rotary electric machine
WO2003085824A2 (en) * 2002-04-08 2003-10-16 Nedzad Niksic Sound level limiter for electro-acoustic devices

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1299328B (de) * 1966-08-02 1969-07-17 Deutsche Post Rundfunk Verfahren und Anordnung zum Schutz vor UEberlastung von elektrisch angetriebenen mechanischen Schwingungssystemen, vorzugsweise Lautsprechern bzw. Lautsprecheranordnungen
HU164736B (OSRAM) * 1972-04-07 1974-04-11
DE2448506A1 (de) * 1974-10-11 1976-04-22 Backes & Mueller Schaltungsanordnung zum schutz dynamischer lautsprecher vor ueberlastung

Also Published As

Publication number Publication date
GB1586495A (en) 1981-03-18
DK144500C (da) 1982-08-30
AT350877B (de) 1978-08-15
DK144500B (da) 1982-03-15
ATA400477A (de) 1978-11-15
NL7705969A (nl) 1977-12-01
CH617806A5 (en) 1980-06-13
DE2624252A1 (de) 1977-12-01
AT349087B (de) 1979-03-26
DE2624252B2 (de) 1978-11-23
DK235977A (da) 1977-11-30
ATA350877A (de) 1978-08-15
FR2353194A1 (fr) 1977-12-23
FR2353194B1 (OSRAM) 1981-04-10
DE2624252C3 (OSRAM) 1984-05-17

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