CA1038032A - Protective circuit - Google Patents
Protective circuitInfo
- Publication number
- CA1038032A CA1038032A CA219,055A CA219055A CA1038032A CA 1038032 A CA1038032 A CA 1038032A CA 219055 A CA219055 A CA 219055A CA 1038032 A CA1038032 A CA 1038032A
- Authority
- CA
- Canada
- Prior art keywords
- circuit
- load
- voltage
- resistors
- amplifier
- 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 title claims abstract description 42
- 239000003990 capacitor Substances 0.000 claims description 52
- 238000004804 winding Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 240000005523 Peganum harmala Species 0.000 description 1
- 244000180577 Sambucus australis Species 0.000 description 1
- 235000018734 Sambucus australis Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000009993 protective function Effects 0.000 description 1
- QHGVXILFMXYDRS-UHFFFAOYSA-N pyraclofos Chemical compound C1=C(OP(=O)(OCC)SCCC)C=NN1C1=CC=C(Cl)C=C1 QHGVXILFMXYDRS-UHFFFAOYSA-N 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- CFMYXEVWODSLAX-QOZOJKKESA-N tetrodotoxin Chemical compound O([C@@]([C@H]1O)(O)O[C@H]2[C@@]3(O)CO)[C@H]3[C@@H](O)[C@]11[C@H]2[C@@H](O)N=C(N)N1 CFMYXEVWODSLAX-QOZOJKKESA-N 0.000 description 1
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)
- Protection Of Static Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP49012963A JPS5847881B2 (ja) | 1974-01-31 | 1974-01-31 | カフカホゴカイロ |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1038032A true CA1038032A (en) | 1978-09-05 |
Family
ID=11819897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA219,055A Expired CA1038032A (en) | 1974-01-31 | 1975-01-30 | Protective circuit |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3996497A (en:Method) |
| JP (1) | JPS5847881B2 (en:Method) |
| CA (1) | CA1038032A (en:Method) |
| DE (1) | DE2503406C2 (en:Method) |
| FR (1) | FR2260223B1 (en:Method) |
| GB (1) | GB1494354A (en:Method) |
| IT (1) | IT1031383B (en:Method) |
| NL (1) | NL7500996A (en:Method) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5530011Y2 (en:Method) * | 1974-04-05 | 1980-07-17 | ||
| US4330686A (en) * | 1978-12-21 | 1982-05-18 | Stephen Roe | Loudspeaker systems |
| US4301490A (en) * | 1979-07-09 | 1981-11-17 | American Standard Inc. | Electronic overload protection circuit |
| US4725912A (en) * | 1986-06-16 | 1988-02-16 | Motorola Inc. | Power MOS loss of ground protection |
| US5224169A (en) * | 1991-05-13 | 1993-06-29 | Thomson Consumer Electronics, Inc. | Protection arrangement for an audio output channel |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3048718A (en) * | 1959-01-13 | 1962-08-07 | Gen Motors Corp | Transient responsive protection circuit |
| US3026469A (en) * | 1959-11-13 | 1962-03-20 | Avco Corp | Voltage regulator and overload protection system |
| US3449680A (en) * | 1966-03-29 | 1969-06-10 | Motorola Inc | Transistor protection circuit |
| US3500074A (en) * | 1966-08-15 | 1970-03-10 | Texas Instruments Inc | Fail-safe controller |
| US3536958A (en) * | 1967-12-05 | 1970-10-27 | Rca Corp | Amplifier protection circuit |
| US3522480A (en) * | 1968-02-02 | 1970-08-04 | Us Navy | Protection circuit for power transistor |
| US3644783A (en) * | 1969-08-18 | 1972-02-22 | Esquire Inc | Dc detection circuit |
| JPS5443345B1 (en:Method) * | 1969-08-28 | 1979-12-19 | ||
| JPS5027344B1 (en:Method) * | 1970-03-26 | 1975-09-06 | ||
| US3691427A (en) * | 1970-03-29 | 1972-09-12 | Victor Company Of Japan | Protective circuit for an all stage direct-coupled transistor output transformerless-output condenserless amplifier |
| US3731153A (en) * | 1970-08-27 | 1973-05-01 | Sansui Electric Co | Protective device for loudspeaker |
| DE2160396B2 (de) * | 1970-12-07 | 1974-08-22 | Pioneer Electronic Corp., Tokio | Überwachungsschaltung für einen Verstärker |
| US3835412A (en) * | 1972-11-06 | 1974-09-10 | Victor Company Of Japan | Transistor amplifier protective circuit |
-
1974
- 1974-01-31 JP JP49012963A patent/JPS5847881B2/ja not_active Expired
-
1975
- 1975-01-27 US US05/544,327 patent/US3996497A/en not_active Expired - Lifetime
- 1975-01-28 DE DE2503406A patent/DE2503406C2/de not_active Expired
- 1975-01-28 NL NL7500996A patent/NL7500996A/xx not_active Application Discontinuation
- 1975-01-28 GB GB3699/75A patent/GB1494354A/en not_active Expired
- 1975-01-30 CA CA219,055A patent/CA1038032A/en not_active Expired
- 1975-01-31 FR FR7503147A patent/FR2260223B1/fr not_active Expired
- 1975-01-31 IT IT19861/75A patent/IT1031383B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| US3996497A (en) | 1976-12-07 |
| GB1494354A (en) | 1977-12-07 |
| IT1031383B (it) | 1979-04-30 |
| JPS50108859A (en:Method) | 1975-08-27 |
| DE2503406C2 (de) | 1984-06-14 |
| NL7500996A (nl) | 1975-08-04 |
| FR2260223A1 (en:Method) | 1975-08-29 |
| DE2503406A1 (de) | 1975-08-07 |
| JPS5847881B2 (ja) | 1983-10-25 |
| FR2260223B1 (en:Method) | 1978-07-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4549147A (en) | Load impedance detector for audio power amplifiers | |
| US20200127657A1 (en) | Drive circuit for semiconductor element | |
| US5004970A (en) | Device and a process for detecting current flow in a MOS transistor | |
| US4216517A (en) | Protection circuit for power amplifier | |
| CA1038032A (en) | Protective circuit | |
| US3835412A (en) | Transistor amplifier protective circuit | |
| US3691427A (en) | Protective circuit for an all stage direct-coupled transistor output transformerless-output condenserless amplifier | |
| US3469112A (en) | Storage circuit utilizing differential amplifier stages | |
| US4053996A (en) | Power amplifier protection circuit | |
| US3992678A (en) | Protective circuit for transistor amplifier | |
| US6051997A (en) | Circuit for tracking rapid changes in mid-point voltage of a data signal | |
| JP3203363B2 (ja) | ピーク検出器 | |
| JPH03186770A (ja) | Ｍｏｓ型電力用トランジスタの電流検出回路 | |
| US4184187A (en) | Unbalanced DC voltage detecting circuit | |
| EP0022524B1 (en) | Sensor-integrator system | |
| US20060164059A1 (en) | On-chip high frequency power supply noise sensor | |
| US4481462A (en) | Amplitude control system | |
| US4288755A (en) | Protective circuit for a direct-coupled amplifier | |
| US3710234A (en) | Voltage changing rate detecting circuit | |
| GB2103441A (en) | Alternating current motor protection system | |
| US3432688A (en) | Sense amplifier for memory system | |
| US3999125A (en) | Peak detector having signal rise-time enhancement | |
| US5781042A (en) | Modal transition imbalance detector | |
| US5396112A (en) | Darlington circuit having means for detecting a line interruption in its load circuit | |
| JPH04142468A (ja) | インテリジェントｉｃの過電流検出回路 |