DE2615305B2 - Lautsprecher-Schutzschaltung - Google Patents
Lautsprecher-SchutzschaltungInfo
- Publication number
- DE2615305B2 DE2615305B2 DE762615305A DE2615305A DE2615305B2 DE 2615305 B2 DE2615305 B2 DE 2615305B2 DE 762615305 A DE762615305 A DE 762615305A DE 2615305 A DE2615305 A DE 2615305A DE 2615305 B2 DE2615305 B2 DE 2615305B2
- Authority
- DE
- Germany
- Prior art keywords
- loudspeaker
- resistor
- tweeter
- increase
- resistance value
- 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.)
- Ceased
Links
- 230000001419 dependent effect Effects 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
- Amplifiers (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE762615305A DE2615305B2 (de) | 1976-04-08 | 1976-04-08 | Lautsprecher-Schutzschaltung |
| US05/783,416 US4093822A (en) | 1976-04-08 | 1977-03-31 | Loudspeaker protection circuit |
| JP3908077A JPS52124323A (en) | 1976-04-08 | 1977-04-07 | Circuit for protecting speaker |
| FR7710800A FR2347847A1 (fr) | 1976-04-08 | 1977-04-08 | Circuit de protection de haut-parleur |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE762615305A DE2615305B2 (de) | 1976-04-08 | 1976-04-08 | Lautsprecher-Schutzschaltung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2615305A1 DE2615305A1 (de) | 1977-10-13 |
| DE2615305B2 true DE2615305B2 (de) | 1979-03-08 |
Family
ID=5974838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE762615305A Ceased DE2615305B2 (de) | 1976-04-08 | 1976-04-08 | Lautsprecher-Schutzschaltung |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4093822A (enExample) |
| JP (1) | JPS52124323A (enExample) |
| DE (1) | DE2615305B2 (enExample) |
| FR (1) | FR2347847A1 (enExample) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4017506A1 (de) * | 1990-05-31 | 1991-12-05 | Sennheiser Electronic | Schaltungsanordnung zur begrenzung der lautstaerke |
| DE4336608C2 (de) * | 1993-10-27 | 1997-02-06 | Klippel Wolfgang | Schaltungsanordnung zum Schutz elektrodynamischer Lautsprecher gegen mechanische Überlastung durch hohe Schwingspulenauslenkung |
| GB2299238B (en) * | 1995-03-22 | 1997-06-11 | Audix Communications Limited | Loudspeaker and loudspeaker system |
| US6163613A (en) * | 1995-06-26 | 2000-12-19 | Cowans; Kenneth W. | Low-distortion loudspeaker |
| US5969928A (en) * | 1997-12-03 | 1999-10-19 | Gould Electronics Inc. | Shunt for circuit protection device |
| US6201680B1 (en) | 1999-02-02 | 2001-03-13 | Aram Armen Tokatian | Adjustable high-speed audio transducer protection circuit |
| US6647120B2 (en) | 2001-04-05 | 2003-11-11 | Community Light And Sound, Inc. | Loudspeaker protection circuit responsive to temperature of loudspeaker driver mechanism |
| DE112009005469B4 (de) * | 2009-12-24 | 2019-06-27 | Nokia Technologies Oy | Lautsprecherschutzvorrichtung und Verfahren dafür |
| US8750525B2 (en) * | 2010-01-28 | 2014-06-10 | Harris Corporation | Method to maximize loudspeaker sound pressure level with a high peak to average power ratio audio source |
| CN102347059A (zh) * | 2010-08-04 | 2012-02-08 | 鸿富锦精密工业(深圳)有限公司 | 音频播放器及具有音频播放器的电子装置 |
| US9749739B2 (en) * | 2015-09-18 | 2017-08-29 | Qualcomm Incorporated | Protection of a speaker from thermal damage |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2237448A (en) * | 1937-06-08 | 1941-04-08 | Telefunken Gmbh | Overload protection for dynamic loud-speakers |
| FR1341127A (fr) * | 1961-12-08 | 1963-10-25 | Philips Nv | Dispositifs à brancher sur deux tensions de secteur |
| US3423636A (en) * | 1966-07-29 | 1969-01-21 | Edwards Co | Surge limiting system |
| US3529210A (en) * | 1967-02-28 | 1970-09-15 | Mitsubishi Electric Corp | Current limiting circuit |
| US3890465A (en) * | 1972-07-11 | 1975-06-17 | Victor Company Of Japan | Circuit arrangement for protection of a speaker system |
| US3935511A (en) * | 1973-12-26 | 1976-01-27 | Texas Instruments Incorporated | Current inrush limiter |
-
1976
- 1976-04-08 DE DE762615305A patent/DE2615305B2/de not_active Ceased
-
1977
- 1977-03-31 US US05/783,416 patent/US4093822A/en not_active Expired - Lifetime
- 1977-04-07 JP JP3908077A patent/JPS52124323A/ja active Pending
- 1977-04-08 FR FR7710800A patent/FR2347847A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| US4093822A (en) | 1978-06-06 |
| FR2347847B1 (enExample) | 1983-06-03 |
| JPS52124323A (en) | 1977-10-19 |
| DE2615305A1 (de) | 1977-10-13 |
| FR2347847A1 (fr) | 1977-11-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8235 | Patent refused |