CS171737B2 - - Google Patents
Info
- Publication number
- CS171737B2 CS171737B2 CS694272A CS694272A CS171737B2 CS 171737 B2 CS171737 B2 CS 171737B2 CS 694272 A CS694272 A CS 694272A CS 694272 A CS694272 A CS 694272A CS 171737 B2 CS171737 B2 CS 171737B2
- Authority
- CS
- Czechoslovakia
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
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- 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 (cs) | 1972-04-07 | 1972-04-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS171737B2 true CS171737B2 (cs) | 1976-10-29 |
Family
ID=10995436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS694272A CS171737B2 (cs) | 1972-04-07 | 1972-10-16 |
Country Status (12)
| Country | Link |
|---|---|
| AT (1) | AT320767B (cs) |
| BG (1) | BG26825A3 (cs) |
| CA (1) | CA970697A (cs) |
| CS (1) | CS171737B2 (cs) |
| DD (1) | DD98184A5 (cs) |
| DE (1) | DE2241266C3 (cs) |
| FR (1) | FR2178849B1 (cs) |
| GB (1) | GB1407824A (cs) |
| HU (1) | HU164736B (cs) |
| PL (1) | PL79698B1 (cs) |
| SE (1) | SE382545B (cs) |
| SU (1) | SU513653A3 (cs) |
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 AT AT722972A patent/AT320767B/de not_active IP Right Cessation
- 1972-08-22 DE DE19722241266 patent/DE2241266C3/de not_active Expired
- 1972-08-22 GB GB3913672A patent/GB1407824A/en 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 BG2165572A 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 |
|---|---|
| GB1407824A (en) | 1975-09-24 |
| FR2178849A1 (cs) | 1973-11-16 |
| AT320767B (de) | 1975-02-25 |
| HU164736B (cs) | 1974-04-11 |
| DD98184A5 (cs) | 1973-06-05 |
| DE2241266B2 (de) | 1979-06-21 |
| FR2178849B1 (cs) | 1980-04-18 |
| CA970697A (en) | 1975-07-08 |
| SE382545B (sv) | 1976-02-02 |
| SU513653A3 (ru) | 1976-05-05 |
| DE2241266A1 (de) | 1973-10-18 |
| DE2241266C3 (de) | 1980-02-14 |
| BG26825A3 (cs) | 1979-06-12 |
| PL79698B1 (en) | 1975-06-30 |