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Class Information
Number: 340/815.75
Name: Communications: electrical > Visual indication > With lamp enclosed in transparent housing > Light source modifier
Description: Subject matter having means to control the duration or intensity or direction of the light emanating from the lamp.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7581342 |
Display device |
Sep. 1, 2009 |
| 7479898 |
System and method for synchronizing lights powered by wild frequency AC |
Jan. 20, 2009 |
| 7432822 |
Terminal device |
Oct. 7, 2008 |
| 7345718 |
Display device |
Mar. 18, 2008 |
| 7339491 |
Light-emitting diode backlight module |
Mar. 4, 2008 |
| 7287709 |
Configurable multi-level thermostat backlighting |
Oct. 30, 2007 |
| 7180426 |
Incapacitating flashing light apparatus and method |
Feb. 20, 2007 |
| 7119707 |
Circuit for providing electrical current to a bicycle device |
Oct. 10, 2006 |
| 7088261 |
Traffic signal light having ambient light detection |
Aug. 8, 2006 |
| 7006004 |
Light-source lamp unit, light-source device and projection-type display apparatus |
Feb. 28, 2006 |
| 6847306 |
Emergency traffic signal attachment |
Jan. 25, 2005 |
| 6741225 |
Device for generating an image |
May. 25, 2004 |
| 6690282 |
Light-source lamp unit, light-source device and projection-type display apparatus |
Feb. 10, 2004 |
| 6669357 |
Surface illumination system of an aircraft and like vehicles |
Dec. 30, 2003 |
| 6507286 |
Luminance control of automotive displays using an ambient light sensor |
Jan. 14, 2003 |
| 6086218 |
Portable flashing signal light |
Jul. 11, 2000 |
| 5945916 |
Indicator light with improved light spreading means |
Aug. 31, 1999 |
| 5926265 |
Low-level lighting comparator |
Jul. 20, 1999 |
| 5896093 |
L.E.D. light assembly for traffic arrowboards |
Apr. 20, 1999 |
| 5896092 |
Alarm system |
Apr. 20, 1999 |
| 5861815 |
Light bar and reflector assembly |
Jan. 19, 1999 |
| 5796350 |
Automobile screen control apparatus |
Aug. 18, 1998 |
| 5619194 |
Fiber optic traffic signal light system having a shutter control |
Apr. 8, 1997 |
| 5617080 |
Covert light indicator |
Apr. 1, 1997 |
| 5504661 |
Translucent fluorescent filter for display panels |
Apr. 2, 1996 |
| 5397960 |
Neon lamp with sound-intensity control |
Mar. 14, 1995 |
| 5159328 |
Point-of purchase illuminating display |
Oct. 27, 1992 |
| 4970489 |
Occupancy simulator for home security |
Nov. 13, 1990 |
| 4904991 |
Display unit subject to ambient light having light-reflective and light-emitting display elements |
Feb. 27, 1990 |
| 4818980 |
Operator control panel |
Apr. 4, 1989 |
| 4794391 |
Display matrix incorporating light-conducting fibers and light-occulting shutters |
Dec. 27, 1988 |
| 4752771 |
Electronic instrument panel |
Jun. 21, 1988 |
| 4742632 |
Enhanced matrix displays |
May. 10, 1988 |
| 4418334 |
Signal display system and luminaire apparatus for operating same |
Nov. 29, 1983 |
| 4359669 |
Lamp modulating circuitry |
Nov. 16, 1982 |
| 4353008 |
Display apparatus for a drum |
Oct. 5, 1982 |
| 4302748 |
Turn signal and hazard signal control circuit |
Nov. 24, 1981 |
| 4291977 |
Adjustment device for aligning a group of cyclically switched light transmitters or receivers with a single light receiver or transmitter |
Sep. 29, 1981 |
| 4271408 |
Colored-light emitting display |
Jun. 2, 1981 |
| 4270038 |
Cigarette lighter with a built-in battery checker |
May. 26, 1981 |
| 4255739 |
Device for the indication of different operating conditions of motor vehicles |
Mar. 10, 1981 |
| 4254408 |
Case for luminous display with ambient light conduit assembly |
Mar. 3, 1981 |
| 4190962 |
Navigation devices |
Mar. 4, 1980 |
| 4101884 |
Visual display with magnetic overlay |
Jul. 18, 1978 |
| 3967265 |
Light gating display |
Jun. 29, 1976 |
| 3956627 |
Light beam target and apparatus using the same |
May. 11, 1976 |
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