ES503311A0 - IMPROVEMENTS IN A DEVELOPING DEVICE FOR BAN-DAS PROTECTING THE INFRA-RED BARRIER OPTICS FOR LEVEL CROSSINGS - Google Patents

IMPROVEMENTS IN A DEVELOPING DEVICE FOR BAN-DAS PROTECTING THE INFRA-RED BARRIER OPTICS FOR LEVEL CROSSINGS

Info

Publication number
ES503311A0
ES503311A0 ES503311A ES503311A ES503311A0 ES 503311 A0 ES503311 A0 ES 503311A0 ES 503311 A ES503311 A ES 503311A ES 503311 A ES503311 A ES 503311A ES 503311 A0 ES503311 A0 ES 503311A0
Authority
ES
Spain
Prior art keywords
ban
infra
das
protecting
developing device
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.)
Granted
Application number
ES503311A
Other languages
Spanish (es)
Other versions
ES8204956A1 (en
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.)
Alstom SA
Original Assignee
Alsthom Atlantique SA
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 Alsthom Atlantique SA filed Critical Alsthom Atlantique SA
Publication of ES503311A0 publication Critical patent/ES503311A0/en
Publication of ES8204956A1 publication Critical patent/ES8204956A1/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
    • 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
    • B61L29/28—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 electrically operated
    • B61L29/30—Supervision, e.g. monitoring arrangements
ES503311A 1980-06-24 1981-06-23 Optical monitor for railway crossing - triggers delayed action signal and optical protective sheet renewal after longer set delay following obstacle detection Expired ES8204956A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8013958A FR2485460A1 (en) 1980-06-24 1980-06-24 Optical monitor for railway crossing - triggers delayed action signal and optical protective sheet renewal after longer set delay following obstacle detection

Publications (2)

Publication Number Publication Date
ES503311A0 true ES503311A0 (en) 1982-05-16
ES8204956A1 ES8204956A1 (en) 1982-05-16

Family

ID=9243438

Family Applications (1)

Application Number Title Priority Date Filing Date
ES503311A Expired ES8204956A1 (en) 1980-06-24 1981-06-23 Optical monitor for railway crossing - triggers delayed action signal and optical protective sheet renewal after longer set delay following obstacle detection

Country Status (3)

Country Link
ES (1) ES8204956A1 (en)
FR (1) FR2485460A1 (en)
PT (1) PT73252B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2936481A1 (en) * 2008-09-26 2010-04-02 Pierre Aknin Remote control and video surveillance assisted traffic neutralization device for use in e.g. access path, has hollow cylinders equipped with mobile pistons connected by articulated bar, where pistons are materialized by signaling lights

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR815315A (en) * 1935-12-23 1937-07-09 Zeiss Carl Process for ensuring the safety of level crossings and protection device intended for the implementation of this process
DE2538064A1 (en) * 1975-08-27 1977-03-10 Mario Amann Automatically cleaned flashing or reflector road sign - with movable cover section time switch mechanism programmed for varying conditions
DE2714241C2 (en) * 1977-03-30 1979-04-26 Siemens Ag, 1000 Berlin Und 8000 Muenchen Device for monitoring danger areas, in particular for level crossings

Also Published As

Publication number Publication date
PT73252A (en) 1981-07-01
FR2485460B1 (en) 1982-07-09
ES8204956A1 (en) 1982-05-16
PT73252B (en) 1982-07-01
FR2485460A1 (en) 1981-12-31

Similar Documents

Publication Publication Date Title
ES498283A0 (en) A TRANSPORTER-DISTRIBUTOR DEVICE
ES492751A0 (en) A SEMICONDUCTOR LASER DEVICE
ES505199A0 (en) A PERFECT SEMICONDUCTOR DEVICE
IT1194477B (en) SEMICONDUCTOR LASER DEVICE
IT1180652B (en) QUICK ADJUSTABLE LASER DEVICE
IT8148673A0 (en) KNEE LOCKING DEVICE
DK546480A (en) DEFINING DEVICE FOR A COOLING EVAPER
ES509598A0 (en) IMPROVEMENTS IN THE CONSTRUCTION OF LENSES FOR A CHARACTER PROJECTION DEVICE.
ES503626A0 (en) A RAILWAY CARRETON DEVICE
ES497391A0 (en) A PERFECT COMBINATION LOCK DEVICE
FR2534078B1 (en) SEMICONDUCTOR LASER DEVICE
NO812315L (en) ARRANGEMENT PROTECTION DEVICE
ES502419A0 (en) AN AUTOMATIC PROTECTION DEVICE FOR TRAINS
SE8005475L (en) PROJECTION OPTICS
ES502485A0 (en) A SAFETY DEVICE FOR THE MOTO-PUMP GROUP
ES500434A0 (en) A PERFECTED DRAWING DEVICE
ES503311A0 (en) IMPROVEMENTS IN A DEVELOPING DEVICE FOR BAN-DAS PROTECTING THE INFRA-RED BARRIER OPTICS FOR LEVEL CROSSINGS
ES502170A0 (en) IMPROVEMENTS IN THE APPARATUS FOR OPENING REBORED-TO-JOINT JOINTS
BR8106678A (en) TRACK SEARCH DEVICE WITH RAILING GEAR
BE890216A (en) LASER DEVICE
DK380081A (en) DEVICE FOR AVOIDING EVAPORATIONS IN THE ECONOMIZER FOR A TRANSMISSION STEAM GENERATOR
ES523332A0 (en) IMPROVEMENTS IN A MEASUREMENT SET FOR CAPACITIVE PROTECTIVE BARRIERS.
BR8109004A (en) A ROAD MARKING DEVICE
ES270028Y (en) A FIXING DEVICE FOR SUB-ASSEMBLIES.
ES251343Y (en) DEVICE FOR FIXING THE PALANGRES BRANCHES