CA984759A - Protective circuit for use with audio instruments - Google Patents
Protective circuit for use with audio instrumentsInfo
- Publication number
- CA984759A CA984759A CA177,299A CA177299A CA984759A CA 984759 A CA984759 A CA 984759A CA 177299 A CA177299 A CA 177299A CA 984759 A CA984759 A CA 984759A
- Authority
- CA
- Canada
- Prior art keywords
- protective circuit
- audio instruments
- instruments
- audio
- protective
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/52—Circuit arrangements for protecting such amplifiers
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP47074103A JPS4933542A (en) | 1972-07-26 | 1972-07-26 | |
| JP47087585A JPS4945669A (en) | 1972-09-02 | 1972-09-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA984759A true CA984759A (en) | 1976-03-02 |
Family
ID=26415244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA177,299A Expired CA984759A (en) | 1972-07-26 | 1973-07-25 | Protective circuit for use with audio instruments |
Country Status (3)
| Country | Link |
|---|---|
| CA (1) | CA984759A (en) |
| DE (1) | DE2337705A1 (en) |
| GB (1) | GB1415476A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1022467A (en) * | 1974-05-21 | 1977-12-13 | Toshihiko Miyata | Load protective circuit |
| US4227227A (en) * | 1977-07-12 | 1980-10-07 | Tokyo Shibaura Denki Kabushiki Kaisha | Protective circuit for a power amplifier |
| US4481553A (en) * | 1982-04-05 | 1984-11-06 | General Electric Company | Protection circuit |
| CN101976825B (en) * | 2010-10-29 | 2013-11-06 | 广东美加音响发展有限公司 | Short-circuit protection circuit of audio power amplifier |
-
1973
- 1973-07-19 GB GB3433873A patent/GB1415476A/en not_active Expired
- 1973-07-25 DE DE19732337705 patent/DE2337705A1/en active Pending
- 1973-07-25 CA CA177,299A patent/CA984759A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1415476A (en) | 1975-11-26 |
| DE2337705A1 (en) | 1974-02-07 |
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