FR715690A - Device for the automatic lighting of swinging barriers - Google Patents

Device for the automatic lighting of swinging barriers

Info

Publication number
FR715690A
FR715690A FR715690DA FR715690A FR 715690 A FR715690 A FR 715690A FR 715690D A FR715690D A FR 715690DA FR 715690 A FR715690 A FR 715690A
Authority
FR
France
Prior art keywords
automatic lighting
barriers
swinging
swinging barriers
lighting
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
Francois Giros
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 filed Critical
Application granted granted Critical
Publication of FR715690A publication Critical patent/FR715690A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L29/00—Safety means for rail/road crossing traffic
    • B61L29/24—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning
    • B61L29/243—Transmission mechanism or acoustical signals for gates

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR715690D 1931-04-20 1931-04-20 Device for the automatic lighting of swinging barriers Expired FR715690A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR715690T 1931-04-20

Publications (1)

Publication Number Publication Date
FR715690A true FR715690A (en) 1931-12-07

Family

ID=9089090

Family Applications (1)

Application Number Title Priority Date Filing Date
FR715690D Expired FR715690A (en) 1931-04-20 1931-04-20 Device for the automatic lighting of swinging barriers

Country Status (1)

Country Link
FR (1) FR715690A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4666108A (en) * 1986-02-18 1987-05-19 Railway Equipment Company Extensible railroad grade crossing gate arm
US10883705B2 (en) 2017-01-13 2021-01-05 Railway Equipment Company Railroad crossing gate lamp system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4666108A (en) * 1986-02-18 1987-05-19 Railway Equipment Company Extensible railroad grade crossing gate arm
US4784356A (en) * 1986-02-18 1988-11-15 Railway Equipment Company Variable placement interchangeable lamp system
US10883705B2 (en) 2017-01-13 2021-01-05 Railway Equipment Company Railroad crossing gate lamp system

Similar Documents

Publication Publication Date Title
FR715690A (en) Device for the automatic lighting of swinging barriers
FR647887A (en) Lighting device for vehicles
FR794792A (en) Lighting device
FR808947A (en) Lighting device for crossing vehicles
FR775225A (en) Device for lighting elongated diffusing surfaces
FR728850A (en) Lighting device for microscopes
FR43446E (en) Lighting device
FR782163A (en) Lighting device
FR779608A (en) Lighting device for microscopes
FR751544A (en) Lighting device for crossing vehicles
FR729083A (en) Device for automatic lighting of telephone devices
FR697925A (en) Suspension device for lighting devices
FR734894A (en) Lighting device
FR709716A (en) Lighting device
FR736118A (en) Lighting device for bicycles
FR798534A (en) Suspension device for lighting devices
FR714500A (en) Automatic air renewal device
FR630250A (en) Suspension device for lighting devices
FR756894A (en) Lighting device
FR842383A (en) Lighting device for vehicles
FR846611A (en) Lighting device for light columns
FR762079A (en) Device for intermittent automatic lighting of transport routes
FR721967A (en) Device for automatically ringing the bells
FR733850A (en) Hanging device
FR684580A (en) Lighting device for trains