FR338269A - Single channel signal device - Google Patents

Single channel signal device

Info

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
Application number
Other languages
French (fr)
Inventor
Louis Petit
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of FR338269A publication Critical patent/FR338269A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00Control, warning or like safety means along the route or between vehicles or trains
    • B61L23/22Control, 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)
FR338269D 1903-11-18 1903-11-18 Single channel signal device Expired FR338269A (en)

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)

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