FR2236238B3 - - Google Patents
Info
- Publication number
- FR2236238B3 FR2236238B3 FR7423033A FR7423033A FR2236238B3 FR 2236238 B3 FR2236238 B3 FR 2236238B3 FR 7423033 A FR7423033 A FR 7423033A FR 7423033 A FR7423033 A FR 7423033A FR 2236238 B3 FR2236238 B3 FR 2236238B3
- Authority
- FR
- France
- 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
Links
Classifications
-
- 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
- F21V11/00—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
- F21V11/08—Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00 using diaphragms containing one or more apertures
-
- 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
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- 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
-
- 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
- F21W2111/06—Use or application of lighting devices or systems for signalling, marking or indicating, not provided for in codes F21W2102/00 – F21W2107/00 for aircraft runways or the like
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Traffic Control Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US00376098A US3851165A (en) | 1973-07-02 | 1973-07-02 | Directional signal beacon |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2236238A1 FR2236238A1 (en) | 1975-01-31 |
FR2236238B3 true FR2236238B3 (en) | 1977-05-06 |
Family
ID=23483701
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7423033A Expired FR2236238B3 (en) | 1973-07-02 | 1974-07-02 |
Country Status (5)
Country | Link |
---|---|
US (1) | US3851165A (en) |
CA (1) | CA1030507A (en) |
DE (1) | DE2431566A1 (en) |
FR (1) | FR2236238B3 (en) |
GB (1) | GB1435282A (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4158222A (en) * | 1977-09-26 | 1979-06-12 | Gulf & Western Industries, Inc. | Limited visibility signal device |
GB1591013A (en) * | 1978-05-30 | 1981-06-10 | Lucas Industries Ltd | High contrast lamp assembly |
US5904417A (en) * | 1997-08-04 | 1999-05-18 | Buhl Electric, Inc. | Light fixture with elliptical reflector and mechanical shutter dimmer |
DE10022713B4 (en) * | 2000-05-10 | 2004-02-05 | Osram Opto Semiconductors Gmbh | Signaling device for traffic signals |
US6779920B2 (en) * | 2002-02-28 | 2004-08-24 | General Electric Company | X-ray localizer light system |
US6911915B2 (en) * | 2002-09-04 | 2005-06-28 | Leotek Electronics Corporation | Compact light emitting diode retrofit lamp and method for traffic signal lights |
US6905227B2 (en) * | 2002-09-04 | 2005-06-14 | Leotek Electronics Corporation | Light emitting diode retrofit module for traffic signal lights |
US7131757B2 (en) * | 2003-11-14 | 2006-11-07 | The Fire Products Company | Holder and heat sink for high performance light emitting diode warning light assembly |
US8144056B2 (en) * | 2009-01-16 | 2012-03-27 | Rf Code, Inc. | Directional beacon device |
US20130049985A1 (en) * | 2011-08-24 | 2013-02-28 | Henry Eisenson | Device and system to alert vehicles and pedestrians of approaching emergency vehicles and emergency situations |
JP7122247B2 (en) * | 2018-12-27 | 2022-08-19 | ローランドディー.ジー.株式会社 | Inkjet printer with pointer and pointer |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2076240A (en) * | 1934-10-25 | 1937-04-06 | Century Lighting Equipment Inc | Spot and floodlight projector apparatus |
US2038514A (en) * | 1935-02-04 | 1936-04-21 | S H Thomson Mfg Company | Means for projecting light |
US2186123A (en) * | 1937-01-27 | 1940-01-09 | Zeiss Ikon Ag | Illuminating system |
US2558964A (en) * | 1948-12-16 | 1951-07-03 | Kliegl Bros Universal Electric | Iris protection apparatus for highintensity spotlights |
US2803163A (en) * | 1952-05-20 | 1957-08-20 | Zeiss Ikon Ag | Illuminating system for picture projectors |
US3241440A (en) * | 1963-12-26 | 1966-03-22 | Bausch & Lomb | Illumination system |
US3296923A (en) * | 1965-01-04 | 1967-01-10 | Gen Electric | Lenticulated collimating condensing system |
US3371202A (en) * | 1966-07-21 | 1968-02-27 | Wech Allyn Inc | Medical headlight |
US3457400A (en) * | 1966-08-10 | 1969-07-22 | Minnesota Mining & Mfg | Apparatus and method for directing a beacon toward a limited viewing area |
US3513306A (en) * | 1967-07-24 | 1970-05-19 | Trw Inc | Multimodular collimated light projection system |
US3541323A (en) * | 1968-05-16 | 1970-11-17 | Eg & G Inc | Laser beam projector |
-
1973
- 1973-07-02 US US00376098A patent/US3851165A/en not_active Expired - Lifetime
-
1974
- 1974-06-20 CA CA202,924A patent/CA1030507A/en not_active Expired
- 1974-06-24 GB GB2786274A patent/GB1435282A/en not_active Expired
- 1974-07-01 DE DE2431566A patent/DE2431566A1/en active Pending
- 1974-07-02 FR FR7423033A patent/FR2236238B3/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3851165A (en) | 1974-11-26 |
FR2236238A1 (en) | 1975-01-31 |
CA1030507A (en) | 1978-05-02 |
DE2431566A1 (en) | 1975-01-23 |
GB1435282A (en) | 1976-05-12 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |