IT8167328A0 - Dispositivo di segnalazione semaforica particolarmente per il segnalamento ferroviario - Google Patents
Dispositivo di segnalazione semaforica particolarmente per il segnalamento ferroviarioInfo
- Publication number
- IT8167328A0 IT8167328A0 IT8167328A IT6732881A IT8167328A0 IT 8167328 A0 IT8167328 A0 IT 8167328A0 IT 8167328 A IT8167328 A IT 8167328A IT 6732881 A IT6732881 A IT 6732881A IT 8167328 A0 IT8167328 A0 IT 8167328A0
- Authority
- IT
- Italy
- Prior art keywords
- signaling
- traffic light
- device particularly
- railway
- signaling device
- Prior art date
Links
- 230000011664 signaling Effects 0.000 title 2
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
- B61L5/1827—Daylight signals using light sources of different colours and a common optical system
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V9/00—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters
- F21V9/40—Elements for modifying spectral properties, polarisation or intensity of the light emitted, e.g. filters with provision for controlling spectral properties, e.g. colour, or intensity
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2111/00—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00
- F21W2111/02—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for roads, paths or the like
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT67328/81A IT1144157B (it) | 1981-03-09 | 1981-03-09 | Dispositivo di segnalizazione semaforica particolarmente per il segnalamento ferroviario |
US06/354,843 US4454570A (en) | 1981-03-09 | 1982-03-04 | Multiple colored searchlight signal unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT67328/81A IT1144157B (it) | 1981-03-09 | 1981-03-09 | Dispositivo di segnalizazione semaforica particolarmente per il segnalamento ferroviario |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8167328A0 true IT8167328A0 (it) | 1981-03-09 |
IT1144157B IT1144157B (it) | 1986-10-29 |
Family
ID=11301485
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT67328/81A IT1144157B (it) | 1981-03-09 | 1981-03-09 | Dispositivo di segnalizazione semaforica particolarmente per il segnalamento ferroviario |
Country Status (2)
Country | Link |
---|---|
US (1) | US4454570A (it) |
IT (1) | IT1144157B (it) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4535394A (en) * | 1983-12-08 | 1985-08-13 | Dugre Michael A | Variable color floodlight |
DE3507013A1 (de) * | 1985-02-28 | 1986-08-28 | Robert Bosch Gmbh, 7000 Stuttgart | Scheinwerfer fuer abblendlicht oder nebellicht von kraftfahrzeugen |
US4757431A (en) * | 1986-07-01 | 1988-07-12 | Laser Media | Off-axis application of concave spherical reflectors as condensing and collecting optics |
US4754272A (en) * | 1986-09-18 | 1988-06-28 | General Signal Corporation | Three aspect signalling device using no moving parts |
DE8626520U1 (it) * | 1986-10-03 | 1989-02-23 | Acr Braendli & Voegeli Ag, Zuerich, Ch | |
IT1224982B (it) * | 1988-07-15 | 1990-10-30 | Ottico Fiorentino Di Vannini L | Sistema ottico per segnali di differenti colori, permanentemente luminosi, specialmente per segnalamento ferroviario |
US5031078A (en) * | 1989-08-28 | 1991-07-09 | Vari-Lite, Inc. | Additive color mixing system with variable hue and saturation light sources |
US4974136A (en) * | 1989-10-31 | 1990-11-27 | Artup Corporation | Light fixture |
US5217285A (en) * | 1991-03-15 | 1993-06-08 | The United States Of America As Represented By United States Department Of Energy | Apparatus for synthesis of a solar spectrum |
US5235416A (en) * | 1991-07-30 | 1993-08-10 | The Government Of The United States Of America As Represented By The Secretary Of The Department Of Health & Human Services | System and method for preforming simultaneous bilateral measurements on a subject in motion |
US6461022B1 (en) * | 1998-11-02 | 2002-10-08 | Code 3, Inc. | Vehicular warning light having a dichroic element |
DE10304199B4 (de) * | 2003-01-29 | 2008-09-04 | Holger Dibbert | Vorrichtung zum Erzeugen von Strahlung einer gewünschten Farbe |
JP2005038831A (ja) * | 2003-07-03 | 2005-02-10 | Olympus Corp | 光学装置、照明装置、及びカラー照明装置 |
TWI284778B (en) * | 2005-03-07 | 2007-08-01 | Coretronic Corp | Light source device for projector |
TWI256988B (en) * | 2005-08-09 | 2006-06-21 | Young Optics Inc | Lamp module and projecting apparatus using the same |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5225484A (en) * | 1975-08-21 | 1977-02-25 | Mitsubishi Electric Corp | Mixing light illuminating method |
US4291365A (en) * | 1980-01-28 | 1981-09-22 | Tandon Amar N | Signal lanterns for optional colored light emittance |
US4353110A (en) * | 1980-09-12 | 1982-10-05 | Ellis Richard D | Search and warning light system |
US4367514A (en) * | 1980-09-29 | 1983-01-04 | The Boeing Company | Recessed lighting system |
-
1981
- 1981-03-09 IT IT67328/81A patent/IT1144157B/it active
-
1982
- 1982-03-04 US US06/354,843 patent/US4454570A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US4454570A (en) | 1984-06-12 |
IT1144157B (it) | 1986-10-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19950328 |