AT320767B - Überlastungsschutzschaltung für Schallstrahler od.dgl. - Google Patents

Überlastungsschutzschaltung für Schallstrahler od.dgl.

Info

Publication number
AT320767B
AT320767B AT722972A AT722972A AT320767B AT 320767 B AT320767 B AT 320767B AT 722972 A AT722972 A AT 722972A AT 722972 A AT722972 A AT 722972A AT 320767 B AT320767 B AT 320767B
Authority
AT
Austria
Prior art keywords
protection circuit
overload protection
sound emitters
emitters
sound
Prior art date
Application number
AT722972A
Other languages
English (en)
Inventor
Ing Denes Huszty Dipl
Ing Emil Sesztak Dipl
Original Assignee
Elektroakusztikai Gyar
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 Elektroakusztikai Gyar filed Critical Elektroakusztikai Gyar
Application granted granted Critical
Publication of AT320767B publication Critical patent/AT320767B/de

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
    • H02H3/085—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current making use of a thermal sensor, e.g. thermistor, heated by the excess current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
    • H02H5/041—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature additionally responsive to excess current
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H6/00—Emergency protective circuit arrangements responsive to undesired changes from normal non-electric working conditions using simulators of the apparatus being protected, e.g. using thermal images
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Amplifiers (AREA)
  • Circuit For Audible Band Transducer (AREA)
AT722972A 1972-04-07 1972-08-22 Überlastungsschutzschaltung für Schallstrahler od.dgl. AT320767B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HUEE002018 HU164736B (de) 1972-04-07 1972-04-07

Publications (1)

Publication Number Publication Date
AT320767B true AT320767B (de) 1975-02-25

Family

ID=10995436

Family Applications (1)

Application Number Title Priority Date Filing Date
AT722972A AT320767B (de) 1972-04-07 1972-08-22 Überlastungsschutzschaltung für Schallstrahler od.dgl.

Country Status (12)

Country Link
AT (1) AT320767B (de)
BG (1) BG26825A3 (de)
CA (1) CA970697A (de)
CS (1) CS171737B2 (de)
DD (1) DD98184A5 (de)
DE (1) DE2241266C3 (de)
FR (1) FR2178849B1 (de)
GB (1) GB1407824A (de)
HU (1) HU164736B (de)
PL (1) PL79698B1 (de)
SE (1) SE382545B (de)
SU (1) SU513653A3 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2624252B2 (de) * 1976-05-29 1978-11-23 Rudolf A. 6382 Friedrichsdorf Goebel Überlastschutz-Schaltung für eine Lautsprecheranordnung
WO1980002477A1 (en) * 1979-05-08 1980-11-13 Fortieth Benelux Nominees Pty Protection device or circuit for loudspeakers
DE3644288A1 (de) * 1986-12-23 1988-07-07 Hans Deutsch Akustikforschung Ueberlastungsschutzschaltung

Also Published As

Publication number Publication date
SU513653A3 (ru) 1976-05-05
DE2241266A1 (de) 1973-10-18
DE2241266C3 (de) 1980-02-14
PL79698B1 (en) 1975-06-30
FR2178849B1 (de) 1980-04-18
DD98184A5 (de) 1973-06-05
DE2241266B2 (de) 1979-06-21
FR2178849A1 (de) 1973-11-16
CA970697A (en) 1975-07-08
GB1407824A (en) 1975-09-24
SE382545B (sv) 1976-02-02
CS171737B2 (de) 1976-10-29
HU164736B (de) 1974-04-11
BG26825A3 (de) 1979-06-12

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee