NL7204045A - - Google Patents
Info
- Publication number
- NL7204045A NL7204045A NL7204045A NL7204045A NL7204045A NL 7204045 A NL7204045 A NL 7204045A NL 7204045 A NL7204045 A NL 7204045A NL 7204045 A NL7204045 A NL 7204045A NL 7204045 A NL7204045 A NL 7204045A
- Authority
- NL
- Netherlands
Links
Classifications
-
- 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
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/041—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using a short-circuiting device
-
- 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
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Circuit For Audible Band Transducer (AREA)
- Protection Of Static Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13470371A | 1971-04-16 | 1971-04-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7204045A true NL7204045A (en) | 1972-10-18 |
Family
ID=22464585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7204045A NL7204045A (en) | 1971-04-16 | 1972-03-27 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3686511A (en) |
| BE (1) | BE781432A (en) |
| CA (1) | CA931513A (en) |
| CH (1) | CH551728A (en) |
| DE (1) | DE2217523A1 (en) |
| FR (1) | FR2133639B1 (en) |
| GB (1) | GB1380151A (en) |
| IT (1) | IT957276B (en) |
| NL (1) | NL7204045A (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50117735U (en) * | 1974-03-10 | 1975-09-26 | ||
| DE2415816C3 (en) * | 1974-04-01 | 1981-10-29 | Arndt 7500 Karlsruhe Klingenberg | Procedure for limiting the maximum load on electroacoustic transducer systems |
| JPS5177828A (en) * | 1974-12-27 | 1976-07-06 | Matsushita Electric Ind Co Ltd | IJOKODENATSUYOKUSEIKAIRO |
| DE2641079C3 (en) * | 1976-09-11 | 1986-07-31 | Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover | Loudspeaker circuit |
| WO1980002477A1 (en) * | 1979-05-08 | 1980-11-13 | Fortieth Benelux Nominees Pty | Protection device or circuit for loudspeakers |
| US4242713A (en) * | 1979-10-25 | 1980-12-30 | Goodrich Edward W | Triac output asymmetry detector |
| US4406921A (en) * | 1981-06-15 | 1983-09-27 | Electro Audio Dynamics, Inc. | Apparatus for improving linearity of electromechanical transducers |
| US4410924A (en) * | 1981-09-10 | 1983-10-18 | The Gorman-Rupp Company | Motor protection control circuit |
| GB2120903B (en) * | 1982-05-28 | 1986-02-26 | British Broadcasting Corp | Headphone level protection circuit |
| FI933069A (en) * | 1993-07-02 | 1995-01-03 | Nokia Telecommunications Oy | Method and apparatus for protecting an electronic circuit |
| US20080044045A1 (en) * | 2006-08-15 | 2008-02-21 | Dobbs-Stanford Corporation | Externally fused speaker terminal cup |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3215896A (en) * | 1962-10-04 | 1965-11-02 | Gen Electric | Fast response overload protection circuit |
| US3317792A (en) * | 1964-03-20 | 1967-05-02 | Westinghouse Electric Corp | Load protection circuit |
| GB1110123A (en) * | 1965-04-26 | 1968-04-18 | Stone J & Co Ltd | Improvements relating to the protection of semi-conductor apparatus |
| US3549808A (en) * | 1967-10-09 | 1970-12-22 | Marantz Co | Protective circuit for speaker windings |
| DE1762472C3 (en) * | 1968-06-22 | 1975-03-06 | Grundig, E.M.V.-Elektro-Mechanische Versuchsanstalt-Max Grundig, 8510 Fuerth | Overload protection circuit for the transistors of an amplifier provided with an ironless push-pull stage |
-
1971
- 1971-04-16 US US134703A patent/US3686511A/en not_active Expired - Lifetime
-
1972
- 1972-03-14 CA CA137046A patent/CA931513A/en not_active Expired
- 1972-03-21 GB GB1325672A patent/GB1380151A/en not_active Expired
- 1972-03-27 NL NL7204045A patent/NL7204045A/xx unknown
- 1972-03-29 BE BE781432A patent/BE781432A/en unknown
- 1972-04-04 CH CH492972A patent/CH551728A/en not_active IP Right Cessation
- 1972-04-12 FR FR7212757A patent/FR2133639B1/fr not_active Expired
- 1972-04-12 DE DE19722217523 patent/DE2217523A1/en not_active Ceased
- 1972-04-15 IT IT9445/72A patent/IT957276B/en active
Also Published As
| Publication number | Publication date |
|---|---|
| BE781432A (en) | 1972-09-29 |
| DE2217523A1 (en) | 1972-10-26 |
| GB1380151A (en) | 1975-01-08 |
| FR2133639B1 (en) | 1978-05-26 |
| FR2133639A1 (en) | 1972-12-01 |
| IT957276B (en) | 1973-10-10 |
| CA931513A (en) | 1973-08-07 |
| US3686511A (en) | 1972-08-22 |
| CH551728A (en) | 1974-07-15 |