CA970697A - Overload protection and display circuit in particular for sound radiators - Google Patents

Overload protection and display circuit in particular for sound radiators

Info

Publication number
CA970697A
CA970697A CA150,288A CA150288A CA970697A CA 970697 A CA970697 A CA 970697A CA 150288 A CA150288 A CA 150288A CA 970697 A CA970697 A CA 970697A
Authority
CA
Canada
Prior art keywords
display circuit
overload protection
sound radiators
radiators
sound
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
CA150,288A
Other languages
English (en)
Other versions
CA150288S (en
Inventor
Denes Huszty
Emil Sosztak
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.)
Elektroakusztikai Gyar
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 CA970697A publication Critical patent/CA970697A/en
Expired legal-status Critical Current

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)
CA150,288A 1972-04-07 1972-08-23 Overload protection and display circuit in particular for sound radiators Expired CA970697A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CA970697A true CA970697A (en) 1975-07-08

Family

ID=10995436

Family Applications (1)

Application Number Title Priority Date Filing Date
CA150,288A Expired CA970697A (en) 1972-04-07 1972-08-23 Overload protection and display circuit in particular for sound radiators

Country Status (12)

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

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
SE382545B (sv) 1976-02-02
DE2241266A1 (de) 1973-10-18
SU513653A3 (ru) 1976-05-05
CS171737B2 (enrdf_load_stackoverflow) 1976-10-29
HU164736B (enrdf_load_stackoverflow) 1974-04-11
DE2241266B2 (de) 1979-06-21
DE2241266C3 (de) 1980-02-14
DD98184A5 (enrdf_load_stackoverflow) 1973-06-05
GB1407824A (en) 1975-09-24
AT320767B (de) 1975-02-25
BG26825A3 (bg) 1979-06-12
FR2178849A1 (enrdf_load_stackoverflow) 1973-11-16
FR2178849B1 (enrdf_load_stackoverflow) 1980-04-18
PL79698B1 (en) 1975-06-30

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