GB1210100A - Signal lamp, in particular for railway safeguarding - Google Patents

Signal lamp, in particular for railway safeguarding

Info

Publication number
GB1210100A
GB1210100A GB5918267A GB5918267A GB1210100A GB 1210100 A GB1210100 A GB 1210100A GB 5918267 A GB5918267 A GB 5918267A GB 5918267 A GB5918267 A GB 5918267A GB 1210100 A GB1210100 A GB 1210100A
Authority
GB
United Kingdom
Prior art keywords
signal lamp
safeguarding
railway
dec
disc
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
GB5918267A
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of GB1210100A publication Critical patent/GB1210100A/en
Expired legal-status Critical Current

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
    • B61L5/1845—Optical systems, lenses

Abstract

1,210,100. Signal lamps. SIEMENS A.G. 29 Dec., 1967 [30 Dec., 1966], No. 59182/67. Heading F4R. [Also in Division G2] In a signal lamp having for the purpose of reducing phantom indications, a spherically curved cover glass 1, the inside surface of which has a series of horizontally extending grooves 11, 12, 13, the upper surfaces 110, 120, 130 of which extend parallel to the optical axis 2 of the lamp and the lower surfaces 1100, 1200, 1300 are so inclined that light incident on the front surface from above the optical axis is reflected on to the upper faces 110, 120, 130, a second disc 100 provided with ridges which engage in the grooves in the cover glass 1 is mounted behind this. The surfaces 110, 120, 130 are provided with light-absorbing layers and the corresponding surfaces of the second disc may be provided with reflecting layers.
GB5918267A 1966-12-30 1967-12-29 Signal lamp, in particular for railway safeguarding Expired GB1210100A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1966S0059628 DE1967275U (en) 1966-12-30 1966-12-30 SIGNAL HEADLIGHTS, IN PARTICULAR FOR RAILWAY SECURITY.

Publications (1)

Publication Number Publication Date
GB1210100A true GB1210100A (en) 1970-10-28

Family

ID=7493456

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5918267A Expired GB1210100A (en) 1966-12-30 1967-12-29 Signal lamp, in particular for railway safeguarding

Country Status (5)

Country Link
CH (1) CH470285A (en)
DE (1) DE1967275U (en)
GB (1) GB1210100A (en)
NL (1) NL6717859A (en)
SE (1) SE324976B (en)

Also Published As

Publication number Publication date
DE1967275U (en) 1967-08-31
SE324976B (en) 1970-06-15
NL6717859A (en) 1968-07-01
CH470285A (en) 1969-03-31

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees