HRP980428A2 - Laser-based railroad signal light - Google Patents

Laser-based railroad signal light

Info

Publication number
HRP980428A2
HRP980428A2 HR08/912,727A HRP980428A HRP980428A2 HR P980428 A2 HRP980428 A2 HR P980428A2 HR P980428 A HRP980428 A HR P980428A HR P980428 A2 HRP980428 A2 HR P980428A2
Authority
HR
Croatia
Prior art keywords
light
laser
signal light
housing
signal
Prior art date
Application number
HR08/912,727A
Other languages
English (en)
Croatian (hr)
Inventor
Ronald W Snee
Original Assignee
Ronald W. Snee
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 Ronald W. Snee filed Critical Ronald W. Snee
Publication of HRP980428A2 publication Critical patent/HRP980428A2/hr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/12—Visible signals
    • B61L5/18—Light signals; Mechanisms associated therewith, e.g. blinders
    • B61L5/1809—Daylight signals
    • B61L5/1836—Daylight signals using light sources of different colours and separate optical systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/12—Visible signals
    • B61L5/18—Light signals; Mechanisms associated therewith, e.g. blinders
    • B61L5/1809—Daylight signals
    • B61L5/1827—Daylight signals using light sources of different colours and a common optical system

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Optical Communication System (AREA)
HR08/912,727A 1997-08-18 1998-08-04 Laser-based railroad signal light HRP980428A2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US91272797A 1997-08-18 1997-08-18

Publications (1)

Publication Number Publication Date
HRP980428A2 true HRP980428A2 (en) 1999-06-30

Family

ID=25432338

Family Applications (1)

Application Number Title Priority Date Filing Date
HR08/912,727A HRP980428A2 (en) 1997-08-18 1998-08-04 Laser-based railroad signal light

Country Status (5)

Country Link
EP (1) EP0899178A1 (de)
AU (1) AU7184798A (de)
CA (1) CA2243809A1 (de)
HR (1) HRP980428A2 (de)
ZA (1) ZA987324B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6392553B1 (en) 2000-08-22 2002-05-21 Harmon Industries, Inc. Signal interface module
DE102012206614A1 (de) * 2012-04-23 2013-10-24 Siemens Aktiengesellschaft Lichtsignal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2542220B2 (de) * 1975-09-22 1979-02-08 Siemens Ag, 1000 Berlin Und 8000 Muenchen Lichtsignal
SE436223B (sv) * 1980-12-16 1984-11-19 Sieverts Kabelverk Ab Fiberoptisk lampa
GB9109077D0 (en) * 1991-04-26 1991-06-12 Univ Southampton Lasers
US5563588A (en) * 1994-08-02 1996-10-08 Belfer; Bruce D. Fiber optic traffic signal light system having a shutter control

Also Published As

Publication number Publication date
AU7184798A (en) 1999-02-25
EP0899178A1 (de) 1999-03-03
CA2243809A1 (en) 1999-02-18
ZA987324B (en) 1999-02-16

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Legal Events

Date Code Title Description
A1OB Publication of a patent application
ODRP Renewal fee for the maintenance of a patent

Payment date: 19990804

Year of fee payment: 2

OBST Application withdrawn