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

Icon_funbox Did You Know...

...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.

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 352/63 - With image separation by synchronized viewer


Subclass of Class 352 - Optics: motion pictures
Definition: Subject matter in which a viewing device driven in synchronism
No. of patents: 15
Last issue date: 02/20/2007


NumberTitleIssue Date
7181636Method of ensuring synchronous presentation of additional data with audio data recorded on a rewritable recording medium
A recording medium and a method and apparatus for managing data are provided. The method includes recording additional data in a data file separate from a file containing main data and recording navigation information that links the main data and the additional data...
02/20/2007
7116324Method for minimizing visual artifacts converting two-dimensional motion pictures into three-dimensional motion pictures
A method for converting two-dimensional images into three-dimensional images includes: tracking an object in an image, the object having an object edge and an object outline thereabout, from frame to frame over a sequence of images; and creating object outlines in s...
10/03/2006
7114809Apparatus based on shutter function for projection of a stereo or multichannel image
An apparatus for projecting a moving or still stereo or multichannel image. At least a first and at least a second video projector, or the like, project images intended for the left and the right eye of a viewer alternately in time and in synchronization with the fu...
10/03/2006
7116323Method of hidden surface reconstruction for creating accurate three-dimensional images converted from two-dimensional images
An exemplary method of reconstructing a hidden surface area in an image includes the steps of: identifying a separation pixel gap in an image resulting from a repositioning of image pixels to create a three-dimensional image; identifying pixels from one or more imag...
10/03/2006
7002619Method and apparatus for presenting stereoscopic images
Systems including projection mechanisms, screens, and eyeglasses are detailed. The systems significantly reduce perceptible ghosting even when high contrast images (such as dark figures against a white background) are projected. ...
02/21/2006
6943852Single cell liquid crystal shutter glasses
The invention is a stereoscopic shutter system having a single liquid crystal (LC) cell. The system may have flexible substrates or non-flexible substrates. The system requires only two electrical conductors to shutter both eyes. The system uses twisted nematic liqu...
09/13/2005
5481321Stereoscopic motion picture projection system
A stereoscopic film projection system including one or more electro-optical light modulators used as part of, or in conjunction with, stereoscopic projection optics for the above-and-below film format employed for 35 mm theatrical cinema. The optical stat...
01/02/1996
5402191Method and apparatus for presenting stereoscopic images
Stereoscopic images are presented by alternately displaying corresponding left eye and right eye images in succession, substantially extinguishing transmission of light from the left eye images to the right eye of a viewer and from the right eye images to...
03/28/1995
5002387Projection synchronization system
An alternate eye 3-d projection system has a projector projecting alternate eye left and right images, has alternating eye 3-d glasses alternating between left and right lens transmissiveness, and has a phase delay unit synchronizing the left lens transmi...
03/26/1991
4997270Projected image alignment method and apparatus
Projected image misalignment in a 3-D motion picture projector is corrected by shifting one of the projection lenses in accordance with a predetermined program during presentation of the motion picture. In one embodiment, manually initiated control signal...
03/05/1991
49714353-D motion picture projection apparatus
In an alternate eye 3-D motion picture projection apparatus of the rolling loop type, light projection is accomplished by the combination of focal plane shutters that are coupled to the rotor of the projector and a supplementary shutter arrranged to trim ...
11/20/1990
4623223Stereo image display using a concave mirror and two contiguous reflecting mirrors
Stereo views of a scene are reflected by plano mirrors onto a concave mirror. The plano mirrors are positioned to cause the reflected light from the concave mirror to converge on and cross the optical axis. The concave mirror focuses real images in planar...
11/18/1986
4424529Remotely triggered portable stereoscopic viewer system
A stereoscopic viewer system receives a synchronization signal input from a left-right stereoscopic image pair production system. A viewer system has a transmitter and a modulator associated therewith to transmit into a medium a carrier signal modulated w...
01/03/1984
4044756Phosphene generator device
A device for generating phosphenes is adapted to be worn on the head of a person and is provided with eye openings to pass light from an external light source to the eyes. A rotating element modulates the light passing through the eye opening by being siz...
08/30/1977
4021846Liquid crystal stereoscopic viewer
An optical device, useful for three-dimensional stereo viewing not requir any mechanical shuttering, including two liquid crystal lenses, each comprising: (1) a thin layer of liquid crystal material, preferably nematic liquid crystal; (2) two plates of c...
05/03/1977
 
Sign InRegister
Username  
Password   
forgot password?