FR2768589B1 - Procede de surveillance d'une pluralite de sources de lumiere destinees a reglementer la circulation a un croisement - Google Patents
Procede de surveillance d'une pluralite de sources de lumiere destinees a reglementer la circulation a un croisementInfo
- Publication number
- FR2768589B1 FR2768589B1 FR9711486A FR9711486A FR2768589B1 FR 2768589 B1 FR2768589 B1 FR 2768589B1 FR 9711486 A FR9711486 A FR 9711486A FR 9711486 A FR9711486 A FR 9711486A FR 2768589 B1 FR2768589 B1 FR 2768589B1
- Authority
- FR
- France
- Prior art keywords
- crossing
- monitoring
- light sources
- controlling traffic
- traffic
- 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.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/097—Supervising of traffic control systems, e.g. by giving an alarm if two crossing streets have green light simultaneously
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/20—Responsive to malfunctions or to light source life; for protection
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9711486A FR2768589B1 (fr) | 1997-09-16 | 1997-09-16 | Procede de surveillance d'une pluralite de sources de lumiere destinees a reglementer la circulation a un croisement |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9711486A FR2768589B1 (fr) | 1997-09-16 | 1997-09-16 | Procede de surveillance d'une pluralite de sources de lumiere destinees a reglementer la circulation a un croisement |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2768589A1 FR2768589A1 (fr) | 1999-03-19 |
FR2768589B1 true FR2768589B1 (fr) | 1999-11-12 |
Family
ID=9511111
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9711486A Expired - Fee Related FR2768589B1 (fr) | 1997-09-16 | 1997-09-16 | Procede de surveillance d'une pluralite de sources de lumiere destinees a reglementer la circulation a un croisement |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2768589B1 (fr) |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2150372B (en) * | 1983-11-25 | 1986-12-10 | Ferranti Plc | Lamp failure detector |
GB2157903B (en) * | 1984-04-24 | 1987-06-17 | Plessey Co Plc | Lamp monitoring apparatus |
US5387909A (en) * | 1993-03-25 | 1995-02-07 | Naztec, Inc. | Lamp sensing system for traffic lights |
-
1997
- 1997-09-16 FR FR9711486A patent/FR2768589B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2768589A1 (fr) | 1999-03-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CA | Change of address | ||
CD | Change of name or company name | ||
TP | Transmission of property | ||
TP | Transmission of property | ||
ST | Notification of lapse |
Effective date: 20110531 |