DK235977A - OVERLOAD PROTECTION COUPLING FOR A SPEAKER DEVICE - Google Patents

OVERLOAD PROTECTION COUPLING FOR A SPEAKER DEVICE

Info

Publication number
DK235977A
DK235977A DK235977A DK235977A DK235977A DK 235977 A DK235977 A DK 235977A DK 235977 A DK235977 A DK 235977A DK 235977 A DK235977 A DK 235977A DK 235977 A DK235977 A DK 235977A
Authority
DK
Denmark
Prior art keywords
speaker device
overload protection
protection coupling
coupling
overload
Prior art date
Application number
DK235977A
Other languages
Danish (da)
Other versions
DK144500B (en
DK144500C (en
Inventor
R Goebel
Original Assignee
R Goebel
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 R Goebel filed Critical R Goebel
Publication of DK235977A publication Critical patent/DK235977A/en
Publication of DK144500B publication Critical patent/DK144500B/en
Application granted granted Critical
Publication of DK144500C publication Critical patent/DK144500C/en

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)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Amplifiers (AREA)
  • Circuit For Audible Band Transducer (AREA)
DK235977A 1976-05-29 1977-05-27 OVERLOAD PROTECTION CONNECTION FOR A SPEAKER DEVICE DK144500C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2624252 1976-05-29
DE19762624252 DE2624252B2 (en) 1976-05-29 1976-05-29 Overload protection circuit for a loudspeaker arrangement

Publications (3)

Publication Number Publication Date
DK235977A true DK235977A (en) 1977-11-30
DK144500B DK144500B (en) 1982-03-15
DK144500C DK144500C (en) 1982-08-30

Family

ID=5979366

Family Applications (1)

Application Number Title Priority Date Filing Date
DK235977A DK144500C (en) 1976-05-29 1977-05-27 OVERLOAD PROTECTION CONNECTION FOR A SPEAKER DEVICE

Country Status (8)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1203188B (en) * 1978-06-21 1989-02-15 Cabre S A S Di Ferro A E C ELECTRONIC PROTECTION UNIT FOR SOUND SPEAKERS OF SOUND REPRODUCTION SYSTEMS
US4296278A (en) * 1979-01-05 1981-10-20 Altec Corporation Loudspeaker overload protection circuit
DE2933010C2 (en) * 1979-08-16 1983-03-31 Standard Elektrik Lorenz Ag, 7000 Stuttgart Overload protection and overload display circuit for a loudspeaker arrangement
US4481553A (en) * 1982-04-05 1984-11-06 General Electric Company Protection circuit
DE3644288A1 (en) * 1986-12-23 1988-07-07 Hans Deutsch Akustikforschung Overload protection circuit
US6308549B1 (en) * 1998-11-26 2001-10-30 Denso Corporation Apparatus and method for forming spirally wound stator core or rotary electric machine
AU2003218531A1 (en) * 2002-04-08 2003-10-20 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 (en) * 1966-08-02 1969-07-17 Deutsche Post Rundfunk Method and arrangement for protecting against overloading of electrically driven mechanical vibration systems, preferably loudspeakers or loudspeaker arrangements
HU164736B (en) * 1972-04-07 1974-04-11
DE2448506A1 (en) * 1974-10-11 1976-04-22 Backes & Mueller Overload protection circuit for loudspeakers - has temperature sensor monitoring vibrating coil and controlling output power of amplifier system

Also Published As

Publication number Publication date
NL7705969A (en) 1977-12-01
CH617806A5 (en) 1980-06-13
GB1586495A (en) 1981-03-18
AT349087B (en) 1979-03-26
DE2624252A1 (en) 1977-12-01
DE2624252C3 (en) 1984-05-17
DK144500B (en) 1982-03-15
FR2353194A1 (en) 1977-12-23
JPS52154622A (en) 1977-12-22
DE2624252B2 (en) 1978-11-23
AT350877B (en) 1978-08-15
ATA400477A (en) 1978-11-15
ATA350877A (en) 1978-08-15
DK144500C (en) 1982-08-30
FR2353194B1 (en) 1981-04-10

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