FR338269A - Single channel signal device - Google Patents
Single channel signal deviceInfo
- Publication number
- FR338269A FR338269A FR338269DA FR338269A FR 338269 A FR338269 A FR 338269A FR 338269D A FR338269D A FR 338269DA FR 338269 A FR338269 A FR 338269A
- Authority
- FR
- France
- Prior art keywords
- channel signal
- single channel
- signal device
- signal
- channel
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
- B61L23/22—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in two directions over the same pair of rails
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR338269T | 1903-11-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR338269A true FR338269A (en) | 1904-05-14 |
Family
ID=1387557
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR338269D Expired FR338269A (en) | 1903-11-18 | 1903-11-18 | Single channel signal device |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR338269A (en) |
-
1903
- 1903-11-18 FR FR338269D patent/FR338269A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR338269A (en) | Single channel signal device | |
FR329091A (en) | Signal device | |
FR371539A (en) | Signal device for tramways | |
FR333380A (en) | Signal device for railway stations | |
FR397050A (en) | Signal device for lane changes | |
FR339237A (en) | Game device | |
FR339199A (en) | Rotary device for illuminated announcements | |
FR336876A (en) | Signal transmission | |
FR338019A (en) | Device for deep soundings | |
FR378321A (en) | Signal device for railways | |
FR377305A (en) | Signal device for railways | |
FR377252A (en) | Signal device for railways | |
FR331934A (en) | Preservation device for phones | |
FR331277A (en) | Acetylene device for projections | |
FR354264A (en) | Railway signal device | |
FR336008A (en) | Descaling device | |
FR334671A (en) | Announcement device | |
CH29252A (en) | Advanced device for sound reproduction | |
FR335314A (en) | Distributor-sterilizer device | |
FR332782A (en) | Polyautograph device | |
FR335426A (en) | Thermo-radiator device | |
FR330249A (en) | Tying device for looms | |
FR337943A (en) | Token dispensing device | |
FR321300A (en) | Signal telegraph | |
FR337700A (en) | Device for recording pieces of music performed on keyed instruments |