FR1551185A - - Google Patents
Info
- Publication number
- FR1551185A FR1551185A FR1551185DA FR1551185A FR 1551185 A FR1551185 A FR 1551185A FR 1551185D A FR1551185D A FR 1551185DA FR 1551185 A FR1551185 A FR 1551185A
- 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
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Traffic Control Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR128238 | 1967-11-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1551185A true FR1551185A (es) | 1968-12-27 |
Family
ID=8641713
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1551185D Expired FR1551185A (es) | 1967-11-15 | 1967-11-15 |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE724064A (es) |
CH (1) | CH477734A (es) |
DE (1) | DE1808871B2 (es) |
FR (1) | FR1551185A (es) |
GB (1) | GB1240725A (es) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL178634C (nl) * | 1978-01-02 | 1986-04-16 | Philips Nv | Inrichting voor het detecteren van ongewenste signaalcombinaties van twee signaallampen bij verkeerslichten. |
DE3120640A1 (de) * | 1981-05-23 | 1983-05-26 | Aeg Telefunken Nachrichten | Signalisier- und schaltvorrichtung |
-
1967
- 1967-11-15 FR FR1551185D patent/FR1551185A/fr not_active Expired
-
1968
- 1968-11-13 CH CH1695868A patent/CH477734A/de not_active IP Right Cessation
- 1968-11-14 GB GB5410768A patent/GB1240725A/en not_active Expired
- 1968-11-14 DE DE19681808871 patent/DE1808871B2/de not_active Ceased
- 1968-11-18 BE BE724064D patent/BE724064A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
DE1808871B2 (de) | 1976-05-20 |
GB1240725A (en) | 1971-07-28 |
DE1808871A1 (de) | 1969-06-26 |
BE724064A (es) | 1969-05-19 |
CH477734A (de) | 1969-08-31 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |