Illumination – Light source and modifier – Including reflector
Reexamination Certificate
1998-10-28
2001-01-16
Sikder, Mohammad Y. (Department: 2872)
Illumination
Light source and modifier
Including reflector
C362S311040, C362S327000, C362S103000, C362S104000, C362S106000, C362S278000
Reexamination Certificate
active
06174075
ABSTRACT:
BACKGROUND OF THE INVENTION
This invention relates to improvements in wearable illuminated ornamentation or amusement devices. More particularly, the invention pertains to an article which may be incorporated or other affixed or secured onto wearable apparel, accessories, decorative items, toys or games, including for instance hats, jackets, shirts, backpacks or shoes.
Illuminated decorative objects have been known for sometime which provide illumination of the LED through a battery source. Examples include U.S. Pat. Nos. 5,018,053, 5,253,149 and 4,009,381. These patents use a lighting source such as an LED powered by a battery and connected onto attachable clips, posts or the jewelry itself and are intolerant to impact, modification or flexibility of the items. The purpose of the LED's is to project light, and hence to illuminate another object.
In other prior illuminating devices, lighting of object is performed using fiber optics to obtain a back lighting which is relatively low in intensity when used for flat image or surface viewing. The optical fiber is usually not positioned directly under or integrated within the item to be illuminated making previous patents less efficient, vulnerable to separation, impact or flexibility. Thus, although such prior devices are known to serve their purposes, they have proven to be neither satisfactory nor do they reach maximum exploitation of uniform light illumination.
Thus, a need thus exists for an even more improved flexible, thin-format, light transmissive device which will insure even distribution of brightness while providing maximum illumination for logos, images or items within or on the surface of said item.
SUMMARY OF THE INVENTION
A light source, such as an LED (light emitting diode), is inserted into a cavity accessible from the back of a clear or translucent light transmitting pliable molded unit, which could be PVC, and could have a logo, image or other graphic element imbedded within or disposed on the surface of said unit. The unit is preferably molded into a three dimensional or planar configuration designed and constructed so as to allow the light to scatter evenly through the unit and illuminate graphic element. The light source is connected to an energy supply, which is typically a battery, through a switching mechanism. The switching mechanism may be either simple on/off switch, or it may be an electronic timing circuit which can turn the source on or off cyclically at a predetermined or variable duty cycle and frequency. Alternatively, a motion-activated switch, or a switch operating randomly may be used as well.
REFERENCES:
patent: 4009381 (1977-02-01), Schreiber et al.
patent: 5018053 (1991-05-01), Belknap et al.
patent: 5147129 (1992-09-01), Ku
patent: 5253149 (1993-10-01), Ostema et al.
patent: 5813148 (1998-09-01), Guerra
patent: 6007211 (1999-12-01), Cheung
Gottlieb Rackman & Reisman PC
Luminary Logic LTD
Sikd-er Mohammad Y.
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