GB415669A - Improvements in road traffic control signal apparatus - Google Patents
Improvements in road traffic control signal apparatusInfo
- Publication number
- GB415669A GB415669A GB889934A GB889934A GB415669A GB 415669 A GB415669 A GB 415669A GB 889934 A GB889934 A GB 889934A GB 889934 A GB889934 A GB 889934A GB 415669 A GB415669 A GB 415669A
- Authority
- GB
- United Kingdom
- Prior art keywords
- disc
- pointer
- red
- instead
- green
- 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
Links
- 239000003086 colorant Substances 0.000 abstract 3
- 229910052754 neon Inorganic materials 0.000 abstract 2
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 abstract 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
- 239000011261 inert gas Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/096—Arrangements for giving variable traffic instructions provided with indicators in which a mark progresses showing the time elapsed, e.g. of green phase
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL38121D NL38121C (enrdf_load_stackoverflow) | 1934-03-21 | ||
| GB889934A GB415669A (en) | 1934-03-21 | 1934-03-21 | Improvements in road traffic control signal apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB889934A GB415669A (en) | 1934-03-21 | 1934-03-21 | Improvements in road traffic control signal apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB415669A true GB415669A (en) | 1934-08-30 |
Family
ID=9861437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB889934A Expired GB415669A (en) | 1934-03-21 | 1934-03-21 | Improvements in road traffic control signal apparatus |
Country Status (2)
| Country | Link |
|---|---|
| GB (1) | GB415669A (enrdf_load_stackoverflow) |
| NL (1) | NL38121C (enrdf_load_stackoverflow) |
-
0
- NL NL38121D patent/NL38121C/xx active
-
1934
- 1934-03-21 GB GB889934A patent/GB415669A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL38121C (enrdf_load_stackoverflow) |
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