FR2447628B1 - - Google Patents
Info
- Publication number
- FR2447628B1 FR2447628B1 FR7901790A FR7901790A FR2447628B1 FR 2447628 B1 FR2447628 B1 FR 2447628B1 FR 7901790 A FR7901790 A FR 7901790A FR 7901790 A FR7901790 A FR 7901790A FR 2447628 B1 FR2447628 B1 FR 2447628B1
- Authority
- FR
- France
- 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
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- 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
- H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
- H02H9/026—Current limitation using PTC resistors, i.e. resistors with a large positive temperature coefficient
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/06—Modifications for ensuring a fully conducting state
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
- H03K17/081—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit
- H03K17/0814—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the output circuit
- H03K17/08146—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the output circuit in bipolar transistor switches
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electronic Switches (AREA)
- Dc-Dc Converters (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7901790A FR2447628A1 (fr) | 1979-01-24 | 1979-01-24 | Dispositif de protection contre les surintensites pour commutateur electronique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7901790A FR2447628A1 (fr) | 1979-01-24 | 1979-01-24 | Dispositif de protection contre les surintensites pour commutateur electronique |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2447628A1 FR2447628A1 (fr) | 1980-08-22 |
FR2447628B1 true FR2447628B1 (US07655688-20100202-C00010.png) | 1982-02-12 |
Family
ID=9221153
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7901790A Granted FR2447628A1 (fr) | 1979-01-24 | 1979-01-24 | Dispositif de protection contre les surintensites pour commutateur electronique |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2447628A1 (US07655688-20100202-C00010.png) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3678291A (en) * | 1970-05-18 | 1972-07-18 | Sci Systems Inc | Solid state relay |
DE2360024A1 (de) * | 1972-12-20 | 1974-07-04 | Philips Nv | Schaltung mit einem schalttransistor |
-
1979
- 1979-01-24 FR FR7901790A patent/FR2447628A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2447628A1 (fr) | 1980-08-22 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |