DE68927750D1 - Optische Anlage für dauernde Lichtsignale verschiedener Farben, insbesondere für Eisenbahnsignalisierung - Google Patents

Optische Anlage für dauernde Lichtsignale verschiedener Farben, insbesondere für Eisenbahnsignalisierung

Info

Publication number
DE68927750D1
DE68927750D1 DE68927750T DE68927750T DE68927750D1 DE 68927750 D1 DE68927750 D1 DE 68927750D1 DE 68927750 T DE68927750 T DE 68927750T DE 68927750 T DE68927750 T DE 68927750T DE 68927750 D1 DE68927750 D1 DE 68927750D1
Authority
DE
Germany
Prior art keywords
lens
aspheric lens
aspheric
coinciding
concave
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 - Fee Related
Application number
DE68927750T
Other languages
English (en)
Other versions
DE68927750T2 (de
Inventor
Luigi Vannini
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.)
OTTICO FIORENTINO DI VANNINI L
Original Assignee
OTTICO FIORENTINO DI VANNINI L
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 OTTICO FIORENTINO DI VANNINI L filed Critical OTTICO FIORENTINO DI VANNINI L
Publication of DE68927750D1 publication Critical patent/DE68927750D1/de
Application granted granted Critical
Publication of DE68927750T2 publication Critical patent/DE68927750T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/095—Traffic lights
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Optical Communication System (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
DE68927750T 1988-07-15 1989-07-04 Optische Anlage für dauernde Lichtsignale verschiedener Farben, insbesondere für Eisenbahnsignalisierung Expired - Fee Related DE68927750T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8809448A IT1224982B (it) 1988-07-15 1988-07-15 Sistema ottico per segnali di differenti colori, permanentemente luminosi, specialmente per segnalamento ferroviario

Publications (2)

Publication Number Publication Date
DE68927750D1 true DE68927750D1 (de) 1997-03-20
DE68927750T2 DE68927750T2 (de) 1997-09-04

Family

ID=11130291

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68927750T Expired - Fee Related DE68927750T2 (de) 1988-07-15 1989-07-04 Optische Anlage für dauernde Lichtsignale verschiedener Farben, insbesondere für Eisenbahnsignalisierung

Country Status (4)

Country Link
EP (1) EP0351380B1 (de)
AT (1) ATE148665T1 (de)
DE (1) DE68927750T2 (de)
IT (1) IT1224982B (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH487367A (fr) * 1968-12-12 1970-03-15 Camille Berger Michel Appareil pour la production de faisceaux lumineux diversement colorés
IT1144157B (it) * 1981-03-09 1986-10-29 Wabco Westinghouse Comp Italia Dispositivo di segnalizazione semaforica particolarmente per il segnalamento ferroviario
US4754272A (en) * 1986-09-18 1988-06-28 General Signal Corporation Three aspect signalling device using no moving parts

Also Published As

Publication number Publication date
IT8809448A0 (it) 1988-07-15
EP0351380A2 (de) 1990-01-17
ATE148665T1 (de) 1997-02-15
EP0351380A3 (de) 1991-03-13
IT1224982B (it) 1990-10-30
EP0351380B1 (de) 1997-02-05
DE68927750T2 (de) 1997-09-04

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee