FR2449898B3 - - Google Patents
Info
- Publication number
- FR2449898B3 FR2449898B3 FR7904624A FR7904624A FR2449898B3 FR 2449898 B3 FR2449898 B3 FR 2449898B3 FR 7904624 A FR7904624 A FR 7904624A FR 7904624 A FR7904624 A FR 7904624A FR 2449898 B3 FR2449898 B3 FR 2449898B3
- 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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16585—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 for individual pulses, ripple or noise and other applications where timing or duration is of importance
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/12—Measuring rate of change
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Burglar Alarm Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7904624A FR2449898A1 (fr) | 1979-02-23 | 1979-02-23 | Dispositif pour detecter les variations brusques d'une tension ou d'un courant continus de valeur moyenne fixe ou lentement variable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7904624A FR2449898A1 (fr) | 1979-02-23 | 1979-02-23 | Dispositif pour detecter les variations brusques d'une tension ou d'un courant continus de valeur moyenne fixe ou lentement variable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2449898A1 FR2449898A1 (fr) | 1980-09-19 |
| FR2449898B3 true FR2449898B3 (US06229276-20010508-P00022.png) | 1981-11-20 |
Family
ID=9222353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7904624A Granted FR2449898A1 (fr) | 1979-02-23 | 1979-02-23 | Dispositif pour detecter les variations brusques d'une tension ou d'un courant continus de valeur moyenne fixe ou lentement variable |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2449898A1 (US06229276-20010508-P00022.png) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3744079A1 (de) * | 1987-12-24 | 1989-07-20 | Licentia Gmbh | Anordnung zum umsetzen von einer innerhalb eines grossen bereichs veraenderlichen spannung in ein binaeres informationsmaterial |
| FR2641083B1 (US06229276-20010508-P00022.png) * | 1988-12-22 | 1991-05-10 | Sgs Thomson Microelectronics | |
| FR2655737B1 (fr) * | 1989-12-08 | 1992-06-12 | Sgs Thomson Microelectronics | Detecteur de variation rapide d'alimentation de circuit integre. |
| JPH11331081A (ja) * | 1998-05-14 | 1999-11-30 | Nec Corp | 光直接増幅中継伝送システムの信号対雑音比モニタ方法及び光受信機 |
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1979
- 1979-02-23 FR FR7904624A patent/FR2449898A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2449898A1 (fr) | 1980-09-19 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |