DE2241266C3 - Überlastungsschutzstromkreis für Schallstrahler - Google Patents
Überlastungsschutzstromkreis für SchallstrahlerInfo
- Publication number
- DE2241266C3 DE2241266C3 DE19722241266 DE2241266A DE2241266C3 DE 2241266 C3 DE2241266 C3 DE 2241266C3 DE 19722241266 DE19722241266 DE 19722241266 DE 2241266 A DE2241266 A DE 2241266A DE 2241266 C3 DE2241266 C3 DE 2241266C3
- Authority
- DE
- Germany
- Prior art keywords
- series
- circuit
- relay
- resistor
- thermistor
- 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
Links
- 230000001681 protective effect Effects 0.000 claims description 45
- 238000010438 heat treatment Methods 0.000 claims description 33
- 238000004804 winding Methods 0.000 claims description 25
- 239000003990 capacitor Substances 0.000 claims description 17
- 230000001419 dependent effect Effects 0.000 claims description 15
- 230000006870 function Effects 0.000 description 9
- 230000004044 response Effects 0.000 description 7
- 230000002349 favourable effect Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000008447 perception Effects 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HUEE002018 HU164736B (enrdf_load_stackoverflow) | 1972-04-07 | 1972-04-07 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2241266A1 DE2241266A1 (de) | 1973-10-18 |
| DE2241266B2 DE2241266B2 (de) | 1979-06-21 |
| DE2241266C3 true DE2241266C3 (de) | 1980-02-14 |
Family
ID=10995436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722241266 Expired DE2241266C3 (de) | 1972-04-07 | 1972-08-22 | Überlastungsschutzstromkreis für Schallstrahler |
Country Status (12)
Families Citing this family (3)
| 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 |
-
1972
- 1972-04-07 HU HUEE002018 patent/HU164736B/hu not_active IP Right Cessation
- 1972-08-22 GB GB3913672A patent/GB1407824A/en not_active Expired
- 1972-08-22 AT AT722972A patent/AT320767B/de not_active IP Right Cessation
- 1972-08-22 DE DE19722241266 patent/DE2241266C3/de not_active Expired
- 1972-08-23 CA CA150,288A patent/CA970697A/en not_active Expired
- 1972-08-25 DD DD16525772A patent/DD98184A5/xx unknown
- 1972-10-12 SE SE1317772A patent/SE382545B/xx unknown
- 1972-10-16 CS CS694272A patent/CS171737B2/cs unknown
- 1972-10-18 BG BG021655A patent/BG26825A3/xx unknown
- 1972-11-20 FR FR7241211A patent/FR2178849B1/fr not_active Expired
- 1972-11-22 PL PL15899072A patent/PL79698B1/pl unknown
-
1973
- 1973-01-29 SU SU1878741A patent/SU513653A3/ru active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2178849A1 (enrdf_load_stackoverflow) | 1973-11-16 |
| FR2178849B1 (enrdf_load_stackoverflow) | 1980-04-18 |
| CA970697A (en) | 1975-07-08 |
| SE382545B (sv) | 1976-02-02 |
| SU513653A3 (ru) | 1976-05-05 |
| DE2241266A1 (de) | 1973-10-18 |
| DD98184A5 (enrdf_load_stackoverflow) | 1973-06-05 |
| DE2241266B2 (de) | 1979-06-21 |
| HU164736B (enrdf_load_stackoverflow) | 1974-04-11 |
| GB1407824A (en) | 1975-09-24 |
| CS171737B2 (enrdf_load_stackoverflow) | 1976-10-29 |
| AT320767B (de) | 1975-02-25 |
| BG26825A3 (bg) | 1979-06-12 |
| PL79698B1 (en) | 1975-06-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |