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Fork With Timer

A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.

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Class 359/528 - Light transmitting from source behind a reflector


Subclass of Class 359 - Optical: systems and elements
Definition: Subject matter where the reflector is adapted to transmit
No. of patents: 26
Last issue date: 04/08/2008


NumberTitleIssue Date
RE40227Totally internally reflecting thin, flexible film
A thin, flexible film made of a transparent polymeric material including a structured surface and an opposite smooth surface, wherein light striking either surface, within certain angular ranges, is totally internally reflected. The structured surface includes a lin...
04/08/2008
7327772Optical resonator with mirror structure suppressing higher order transverse modes
An optical resonator including is designed is to degrade the ability of the resonator to support suppress higher order transverse spatial modes. The inventive optical resonator forces Higher higher order transverse modes to be fundamentally unstable in the inventive...
02/05/2008
7303316Car lamp structure
A car lamp includes a lamp shell, a reflecting shade ahead of the lamp shell, a bulb on the reflecting shell, a set-off member ahead of the reflecting shade, and a pervious-to-light lamp cover secured ahead of the set-off member; the reflecting shade has several ref...
12/04/2007
7300165Guardrail reflector/delineator and mounting device therefor
The invention provides new reflective markers, reflectors, and delineators with a variety of mounting apparatuses for attaching the same onto standard guardrails in an efficient and effortless manner, without affecting the safety feature, display utility, and visibi...
11/27/2007
7261425Structured surface articles containing geometric structures with compound faces and methods for making same
A process for making molds for retroreflective sheeting and like articles includes making a substrate having a structured surface of geometric structures such as cube corner elements. The structured surface is in one embodiment partially replicated from a previous g...
08/28/2007
7248169Recursive-reflective display devices
In a retroreflective display device comprising at least a surface-protective layer, information display layer, retroreflective layer and a back-protective layer, on or between these layers radio frequency identification unit or units enclosing radio frequency identi...
07/24/2007
7241021Emergency information lighting system
An emergency information lighting system (100/200/300), comprising a primary light source (110/210/310) and a housing (112/212/312) for the primary light source (110/210). The housing (112/212/312) includes a first wall (120/220...
07/10/2007
7241019Reflective rear light for a truck
A reflective rear light for a truck includes a bottom base, a light base, a circuit board, a reflective plate unit and a light lens unit. The circuit board is formed integral, provided with plural LED lights divided into plural indicting sections. Further the LED li...
07/10/2007
7142345Rearview mirror constructed for efficient assembly
A mirror assembly includes a housing, an angularly adjustable power pack, wires for supplying power and mirror angle control, an electrochromic mirror subassembly including a heater, and a turn signal device. The components include individual connectors that plug in...
11/28/2006
6909550Optical apparatus which uses a virtually imaged phased array to produce chromatic dispersion
An optical apparatus for producing chromatic dispersion. The apparatus includes a virtually imaged phased array (VIPA) generator, a mirror and a lens. The VIPA generator receives an input light at a respective wavelength and produces a corresponding collimated outpu...
06/21/2005
6809892Hollow surface illuminator
A light-conducting unit which can effectively balance the light-leaking effect and the light-propagation effect of the prismatic films forming the light-conducting space, and satisfy the requirements to reduce the weight of the unit is disclosed. A light-conducting ...
10/26/2004
6810062Passive optical resonator with mirror structure suppressing higher order transverse spatial modes
An optical resonator is designed to suppress higher order transverse spatial modes. Higher order transverse modes in the inventive optical resonator are forced to be unstable, and ultimately achieving single transverse mode resonator operation. Specifically, the mir...
10/26/2004
6568817Retroreflecting sheet having printed layer
Retroreflective sheeting comprising at least a reflective element layer made up of a large number of reflective elements and a holding body layer and a surface protective layer provided on the reflective element layer, wherein a printed layer is provided ...
05/27/2003
6558010Reflecting mirror
An attaching part of a reflecting mirror is fixed to a guardrail of a road. A solar cell device of a solar-powered light emitter accumulates electricity produce by sunlight of the daytime, and a light emitting diode emits light at nighttime. When a front ...
05/06/2003
6164782Self-contained lighted marking device
A self-contained lighted marking device that is a directionally dependent line light source has a substantially transparent housing. The housing has a narrow cross-section, preferably rectangular in shape. A thin, flexible film having a smooth surface on ...
12/26/2000
5864439Van light-reflecting display
An added light display for alerting traffic passing left and right of a moving or parked van consisting of a light-reflecting strip advantageously positioned in a gap about the window which serves as a weather barrier compartment protecting the strip agai...
01/26/1999
5552679Electroluminescent and light reflective panel
An illumination system with a panel that is capable of producing electroluminescence as well as reflecting incident light independent of the electroluminescence function of the panel. A layer of phosphor is excited by a power source, and a reflective laye...
09/03/1996
5428438Laser ranging and detection system employing a geometric coherent/incoherent beam separator
A laser ranging and detection system includes a laser for generating a coherent outgoing beam and a telescope. The telescope includes a primary mirror with an aperture for receiving the coherent outgoing beam and for passing an incoming, incoherent, backs...
06/27/1995
5122939Safety lighting and reflector system
A self-illuminated reflector useful as a nighttime warning marker has a retroreflective surface for redirecting external light back to its source, and includes miniature low power lamps which sufficiently illuminate the retroreflective surface to provide ...
06/16/1992
5062155Modulated light wave demodulator
A modulated light wave demodulator includes an external cavity type laser having a 4-light wave mixing optical phase conjugate element for inverting the spatial phase of an incident light and a light mixing detector. At least part of a modulated light wav...
10/29/1991
5056892Totally internally reflecting thin, flexible film
A thin, flexible film made of a transparent polymeric material including a structured surface and an opposite smooth surface, wherein light striking either surface, within certain angular ranges, is totally internally reflected. The structured surface inc...
10/15/1991
5050327Retroreflective sign having improved legibility
A sign having a face bearing an informational legand thereon, the face comprising at least one legend portion and at least one background portion, and the sign comprising at least one legend segment and at least one background segment, which segments are ...
09/24/1991
4846549Method and apparatus to produce enhanced luminosity on display devices in glare
A display device and method are provided whereby light rays from a glareproducing light source are concentrated on the signal portion of the display device to enhance its luminosity. Display devices are provided that use reflecting and refracting light co...
07/11/1989
4747664Rotary reflective marker
A rotary reflective marker (10) is provided which may be mounted on either a stationary or a mobile object. The marker has a rotatable member (12) and includes a light reflective portion (13) arranged in a generally spiral or intermittant pattern so that ...
05/31/1988
4588619Method for converting a lens
A motor vehicle lens manufactured for use in the European market is converted to comply with United States laws and regulations by grinding the textured interior surface of the lens, applying multiple coats of a transparent filler to the ground interior s...
05/13/1986
4055840Reusable safety warning device
A reusable safety warning device. A plurality of reflective strips of flexible material are adapted to protrude outwardly from an end of an elongate cylindrical body member and droop down to form a pompon-like reflector. A battery-powered light source is ...
10/25/1977
 
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