FR2297425B1 - - Google Patents
Info
- Publication number
- FR2297425B1 FR2297425B1 FR7500587A FR7500587A FR2297425B1 FR 2297425 B1 FR2297425 B1 FR 2297425B1 FR 7500587 A FR7500587 A FR 7500587A FR 7500587 A FR7500587 A FR 7500587A FR 2297425 B1 FR2297425 B1 FR 2297425B1
- 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
-
- 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
- G01R19/16533—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application
- G01R19/16538—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies
- G01R19/16542—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values characterised by the application in AC or DC supplies for batteries
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C10/00—Arrangements of electric power supplies in time pieces
- G04C10/04—Arrangements of electric power supplies in time pieces with means for indicating the condition of the power supply
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7500587A FR2297425A1 (fr) | 1975-01-09 | 1975-01-09 | Appareil avertisseur de chute de tension comprenant un dispositif a resistance negative |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7500587A FR2297425A1 (fr) | 1975-01-09 | 1975-01-09 | Appareil avertisseur de chute de tension comprenant un dispositif a resistance negative |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2297425A1 FR2297425A1 (fr) | 1976-08-06 |
| FR2297425B1 true FR2297425B1 (fi) | 1981-03-06 |
Family
ID=9149571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7500587A Granted FR2297425A1 (fr) | 1975-01-09 | 1975-01-09 | Appareil avertisseur de chute de tension comprenant un dispositif a resistance negative |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2297425A1 (fi) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2437000A1 (fr) * | 1978-09-22 | 1980-04-18 | Controle Automation | Dispositif de detection de la fin de vie d'une pile electrique |
| FR2560721B1 (fr) * | 1984-03-01 | 1988-01-15 | Ducellier & Cie | Dispositif temoin de charge d'une batterie de vehicule automobile |
| EP1750137A3 (en) * | 2001-07-20 | 2007-07-11 | Power Integrations, Inc. | Method and apparatus for low cost current and voltage sensing in circuits as a function of a voltage drop |
-
1975
- 1975-01-09 FR FR7500587A patent/FR2297425A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2297425A1 (fr) | 1976-08-06 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |