FR1604677A - - Google Patents
Info
- Publication number
- FR1604677A FR1604677A FR1604677DA FR1604677A FR 1604677 A FR1604677 A FR 1604677A FR 1604677D A FR1604677D A FR 1604677DA FR 1604677 A FR1604677 A FR 1604677A
- 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
-
- 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
- H03K17/082—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit
- H03K17/0826—Modifications for protecting switching circuit against overcurrent or overvoltage by feedback from the output to the control circuit in bipolar transistor switches
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H11/00—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
- H02H11/005—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of too low isolation resistance, too high load, short-circuit; earth fault
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
- H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
- H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR180132 | 1968-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1604677A true FR1604677A (xx) | 1972-01-03 |
Family
ID=8658892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1604677D Expired FR1604677A (xx) | 1968-12-23 | 1968-12-23 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE743115A (xx) |
| CH (1) | CH510347A (xx) |
| DE (1) | DE1964557A1 (xx) |
| FR (1) | FR1604677A (xx) |
| GB (1) | GB1292128A (xx) |
| NL (1) | NL6919169A (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2140634A (en) * | 1983-05-14 | 1984-11-28 | Plessey Co Plc | Improvements relating to load trip circuits |
-
1968
- 1968-12-23 FR FR1604677D patent/FR1604677A/fr not_active Expired
-
1969
- 1969-12-15 BE BE743115D patent/BE743115A/xx unknown
- 1969-12-17 CH CH1868769A patent/CH510347A/fr not_active IP Right Cessation
- 1969-12-19 GB GB6211469A patent/GB1292128A/en not_active Expired
- 1969-12-22 NL NL6919169A patent/NL6919169A/xx unknown
- 1969-12-23 DE DE19691964557 patent/DE1964557A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BE743115A (xx) | 1970-06-15 |
| GB1292128A (en) | 1972-10-11 |
| CH510347A (fr) | 1971-07-15 |
| NL6919169A (xx) | 1970-06-25 |
| DE1964557A1 (de) | 1970-07-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |