U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 6049912

Mountable Printable Placard With Headband

A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 353/122 - MISCELLANEOUS


Subclass of Class 353 - Optics: image projectors
Definition: Subject matter which is not provided for in any of the preceding
No. of patents: 1095
Last issue date: 02/14/2012


    3                  
NumberTitleIssue Date
7347570Multimedia presentation apparatus and method
A multimedia presentation apparatus and method by which a presenter is freed from the requirement of having or providing or transporting a supporting computer system such as the notebook or laptop system by the incorporation of computing capability and an accessible...
03/25/2008
7347563Apparatus for fixing a reflective or transmissive liquid-crystal display element to a prism member
At least one exemplary embodiment is directed to a projection display apparatus configured to project an image on a projection plane, the image being formed using light from a light source by an image-forming element, is provided. The projection display apparatus in...
03/25/2008
7347560Method and/or apparatus for projecting an image
Methods, apparatuses and systems for projecting an image, such as a diffused image, are disclosed herein. ...
03/25/2008
7344291Illuminating device and backlight device employing the illuminating device
Disclosed is an illuminating device which, as a light source for a backlight device, mixes the colors of light rays of three prime colors radiated by light emitting diodes to emit white light. The illuminating device includes a first light source (22R) radiat...
03/18/2008
7341351Aerial advertising device for the presentation of pictures that change over time
The subject of the invention relates to an aerial advertising device for the presentation of pictures that change over time which contains an inflatable information-carrying body (90) that has a hollow internal space (92), a supporting structure (50...
03/11/2008
7342723Projection lens and portable display device for gaming and other applications
A portable projection device comprises a housing, a handle, and an optical engine. The optical engine comprises an illumination source, an imaging system, and a wide angle projection lens that includes a first lens group of negative refractive power, the first lens ...
03/11/2008
7339735Polarization recovery system for projection displays
A waveguide polarization recovery system both polarizes the input light energy for use with an LCD imager and converts the polarity of unusable light energy to add to the illumination of the LCD imager. The compact polarization recovery waveguide system generally in...
03/04/2008
7339714Variable blazed grating based signal processing
A light processing system includes an array of optical signal processing devices. The array of processing devices are operable to receive at least some of a first signal part and to modulate the first signal part based at least in part on a control signal received f...
03/04/2008
7338175Front projection type multi-projection display
A front projection type multi-projection display includes a plurality of projector units to modulate and project light from a light source based on image information, an image-capturing device disposed in a housing to capture predetermined regions of the projection ...
03/04/2008
7338176Elevator installation with information representation on a shaft door
An elevator installation includes an elevator car moved in an elevator shaft between floors in a building. A shaft door for closing the elevator shaft is arranged at each floor. A method for representing information on the shaft doors makes possible a qualitatively ...
03/04/2008
7339596Projection plane color correction method of projector, projection plane color correction system of projector and program for projection plane color correction of projector
By using a spectral reflectance of a projection plane or color information under a light source, which is stored in wall color storage means 4, matrix calculation means 5 calculates a conversion matrix, and mixing amounts R, G, B of primary colors of a...
03/04/2008
7336685Laser irradiation apparatus, laser irradiation method, and method for manufacturing a semiconductor device
YAG laser can simultaneously emit a plurality of laser beams having different wavelengths from each other. By simultaneously irradiating the laser beams having different wavelengths from each other to a same region of a non-single crystal semiconductor film, an inte...
02/26/2008
7334901Low profile, large screen display using a rear projection array system
Low-profile, large screen display using a rear projection array system using an array of micro projectors, each comprised of a micro-display device, several optical components, a red/green/blue light emitting diode light source, a light sensor for each color and pow...
02/26/2008
7331677Projection type video display
A system control circuit is provided with a table storing portion. In the table storing portion, a table for a positioned-on-a-floor mode and a hung-from-a-ceiling mode, a table for upwardly-positioned, and a table for downwardly-positioned are stored. On each table...
02/19/2008
7331680Illumination unit and projection type image display apparatus employing the same
An illumination unit with an improved color synthesis prism, which can synthesize light beams emitted from compact light sources, and a projection type image display apparatus employing the illumination unit. The illumination unit includes first, second, and third l...
02/19/2008
7333130Apparatus and method of re-adjusting convergence of a projection TV
A method and an apparatus of re-adjusting convergence of a projection TV are disclosed. The apparatus includes a display device on which an image is projected and at least one light-sensing element (101) being provided around the display device. The light-sen...
02/19/2008
7325933Projection type video display apparatus
A projection type video display apparatus in which a display device transmits light emitted from a light source to project a video written into the display device is characterized by comprising person detection means for detecting a person who exists within a projec...
02/05/2008
7327408Illuminator that generates linearly polarized light for microdisplay based light engine
A hollow sphere with a scattering (e.g., white diffusive) interior surface directs light input from at least one input light source to an exit. In one embodiment, an internal hot mirror and phosphor are positioned to intercept the input light on which visible light ...
02/05/2008
7322706Device for adjusting light intensity for discharge lamp projectors
The invention relates to a device for adjusting light intensity for discharge lamp projectors with an optical assembly that contains a spherical mirror and a discharge lamp, and a Fresnel lens provided in front of the lamp of the optical assembly. The device is char...
01/29/2008
7324169Projection optical system, projection television, and method of manufacturing lens included in projection optical system
Provided are a projection optical system, a projection television, and a method of manufacturing a lens included in the projection optical system. The projection optical system includes lenses for projecting color beams onto a screen. A color filter layer, absorbing...
01/29/2008
7322704Frequency stabilized vertical extended cavity surface emitting lasers
A vertical extended cavity surface emitting laser (VECSEL) includes intra-cavity frequency doubling. Conventional frequency control elements, such as etalons, are replaced with thin film interference filters or volume Bragg gratings. ...
01/29/2008
7324186Lithographic apparatus and device manufacturing method
An arrangement for adjusting the position on a substrate of a patterned beam generated by a light engine relative to the substrate. The arrangement moves an array of focusing elements, each of which focuses a portion of the patterned beam onto a point on the substra...
01/29/2008
7320522Data processing apparatus and method and encoding device of same
A data processing apparatus able to generate a motion vector using projection image data in a short time, wherein an access circuit stores vertical projection image data and horizontal projection image data of each macro block of frame data and reference image data ...
01/22/2008
7320520Portable multimedia projection system
A portable multimedia projection system includes a portable housing, a DVD player, a channel tuner, an image projection device, a controller and a remote control receiver. The image projection device externally projects images. The controller is electrically coupled...
01/22/2008
7321354Microdisplay for portable communication systems
The invention relates to a microdisplay system that utilizes a small high resolution active matrix liquid crystal display with an illumination system and a magnifying optical system to provide a hand held communication display device. The system can employ an LED il...
01/22/2008
7321607External optics and chamber support system
A gas discharge laser and method of operating same is disclosed which may comprise a gas discharge laser chamber support structure comprising a first support arm attached to a mounting table; a gas discharge laser chamber slideably engaging the first support arm; an...
01/22/2008
7318646System for projecting a virtual image within an observer's field of view
A system for projecting a virtual image within an observer's field of view comprises a support element, a transparent element mounted on the support element and suitable for being placed in front of the observer's eyes, the transparent element comprising a first fac...
01/15/2008
7319285Optical device, illumination apparatus using the device, and projector using the illumination apparatus
An optical device which leads light beams emitted by a light source to a predetermined illumination area comprises first and second light leading members. The first light leading member includes a first incident surface configured to be entered the light beams emitt...
01/15/2008
7319551Maskless optical interferometric lithography
An optical device generated by interferometric lithography, in the form of a surface relief pattern that diffracts light, to be used mainly in optical security, produced by optical systems compliant with the Schimpflug and hinge Rules containing: two identical lense...
01/15/2008
7318644Compact projection system including a light guide array
An optical projection system comprises a light source, a substantially planar optical element array for receiving light emitted from the light source, and a display panel for selectively outputting light from the optical element array. The optical element array incl...
01/15/2008
7316484Illuminator and projection image display employing it
An illuminator comprising two light source sections (101, 102), a rod integrator (1), and a relay lens system (4) for introducing a light flux emitted from the rod integrator (1), wherein the rod integrator (1) is a columnar optica...
01/08/2008
7316519Paving member
A paving member (2) comprising a surface (4) for being walked on, an image (6) below the surface (4), and a source of light for illuminating the paving member (2), the paving member (2) being of such a material and construct...
01/08/2008
7309134System and method for displaying projector system identification information
A system and method of displaying identification information for a projector system are disclosed. The method includes projecting a display onto a viewing surface with the projector system, and projecting an identification image onto the viewing surface over at leas...
12/18/2007
7309132Modular keypad assembly
A modular keypad assembly for use with a projection device is provided. This modular keypad assembly may include a user input through which a user may operate the projection device. Such a modular keypad assembly may include a elastomer keypad, a keypad support plat...
12/18/2007
7310072Portable communication display device
A head-mounted display system displays information via a matrix display element mounted within a housing that is positioned relative to at least eye of a user. The display is connected to a video or information source such that the user can view information or image...
12/18/2007
7309133Projector and pattern image display method
The present invention relates to a projector that projects projection light on a projection object to display an image, including an image formation module that can form a predetermined pattern image for displaying on the projection object; a zoom lens that can chan...
12/18/2007
7306343Image rotator
One embodiment of an image rotator includes an image reversion structure that rotates an image by a predetermined number of degrees, and securement structure adapted to removably secure the image reversion structure on a projector. ...
12/11/2007
7306342Notch-filter reflector
A reflector includes a body that defines an optical surface. A reflective surface is disposed on the optical surface including a stack of dielectric layers defining at least one notch filter. ...
12/11/2007
7306339Laser projection with object feature detection
A laser projection system scans an output laser light beam onto an object to detect features. A high-sensitivity optical feedback system receives and detects a feedback beam of the output beam light diffusely reflected from the object. The feedback light and project...
12/11/2007
7303282Multimedia display device
A multimedia display device includes a docking station having speakers and a media drive, wherein the docking station is configured to structurally and communicatively couple an image projection device to the docking station. ...
12/04/2007
    3                  
 
Sign InRegister
Username  
Password   
forgot password?