FR2495331A1 - Detecteur de defauts sur photocoupleur - Google Patents
Detecteur de defauts sur photocoupleur Download PDFInfo
- Publication number
- FR2495331A1 FR2495331A1 FR8025247A FR8025247A FR2495331A1 FR 2495331 A1 FR2495331 A1 FR 2495331A1 FR 8025247 A FR8025247 A FR 8025247A FR 8025247 A FR8025247 A FR 8025247A FR 2495331 A1 FR2495331 A1 FR 2495331A1
- Authority
- FR
- France
- Prior art keywords
- detector
- terminal
- ground
- photocoupler
- fault
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/26—Testing of individual semiconductor devices
- G01R31/27—Testing of devices without physical removal from the circuit of which they form part, e.g. compensating for effects surrounding elements
- G01R31/275—Testing of devices without physical removal from the circuit of which they form part, e.g. compensating for effects surrounding elements for testing individual semiconductor components within integrated circuits
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/26—Testing of individual semiconductor devices
- G01R31/2607—Circuits therefor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electronic Switches (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8025247A FR2495331A1 (fr) | 1980-11-28 | 1980-11-28 | Detecteur de defauts sur photocoupleur |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8025247A FR2495331A1 (fr) | 1980-11-28 | 1980-11-28 | Detecteur de defauts sur photocoupleur |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2495331A1 true FR2495331A1 (fr) | 1982-06-04 |
| FR2495331B1 FR2495331B1 (2) | 1983-02-04 |
Family
ID=9248430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8025247A Granted FR2495331A1 (fr) | 1980-11-28 | 1980-11-28 | Detecteur de defauts sur photocoupleur |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2495331A1 (2) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2533332A1 (de) * | 1974-10-31 | 1976-05-06 | Ugolnikov | Mess- und ueberwachungseinrichtung fuer parameter von bauelementen elektrischer netzwerke |
-
1980
- 1980-11-28 FR FR8025247A patent/FR2495331A1/fr active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2533332A1 (de) * | 1974-10-31 | 1976-05-06 | Ugolnikov | Mess- und ueberwachungseinrichtung fuer parameter von bauelementen elektrischer netzwerke |
Non-Patent Citations (1)
| Title |
|---|
| EXBK/80 * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2495331B1 (2) | 1983-02-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2524756A1 (2) | ||
| CH455932A (fr) | Appareil indiquant si une tension est supérieure ou inférieure à une certaine valeur | |
| KR890003132A (ko) | 온도 안정 rf 검출기 | |
| JPS58214997A (ja) | 煙検出器 | |
| US4410766A (en) | Power saving line circuit | |
| US6424136B1 (en) | Current indicator for fault assessments of loop circuit integrity while providing circuit isolation | |
| KR910020445A (ko) | 과전류 검출장치 | |
| FR2495331A1 (fr) | Detecteur de defauts sur photocoupleur | |
| US6704183B2 (en) | Fault detection in a LED bias circuit | |
| CA1333189C (en) | Protection circuit for battery feed circuit | |
| US3974438A (en) | Apparatus for indicating over-current condition in a transistor amplifier | |
| FR2829634A1 (fr) | Circuit d'interface logique limiteur de courant | |
| US7075766B2 (en) | Fault detection in a LED bias circuit | |
| US5661754A (en) | Receiver arrangement | |
| JP2918621B2 (ja) | 2つの動作電圧のモニター回路配置 | |
| JPH06265585A (ja) | 開閉検出回路 | |
| US2875285A (en) | Detector for telephone surreptitious listening techniques | |
| KR0131054B1 (ko) | 신용카드 조회단말기의 사용여부 판단회로 | |
| FR2991121A1 (fr) | Circuit de pilotage de l'alimentation d'une charge, notamment d'une diode d'affichage electroluminescente | |
| JPS62283577A (ja) | 光しや断式センサ検出ジヤツク | |
| US4336467A (en) | Voltage detector | |
| KR940007222Y1 (ko) | 아날로그 신호레벨 감시회로 | |
| FR2692991A1 (fr) | Capteur de courant à compensation magnétique. | |
| JPH0645277Y2 (ja) | 光検出回路の電源ア−スラインオ−プン時の安全回路 | |
| US20050007094A1 (en) | Two wire hall device output detection circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |