Two-dimensional and three-dimensional imaging device

H - Electricity – 04 – N

Patent

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H04N 15/00 (2006.01) G02B 27/22 (2006.01) H04N 13/00 (2006.01) H04N 13/04 (2006.01)

Patent

CA 2163861

A system and method for imaging and viewing, by a viewer, color and monochrome three-dimensional and two- dimensional images for broadcasting in accordance with NTSC, PAL, SECAM, and other world-wide electronic viewing formats. The invention comprises a camera device, a viewing device, a transmitter for transmitting a drive signal, and at least one pair of viewing glasses. The camera device includes a single imaging lens having a bifurcated, dual-aperture light valve, and a single image space for receiving and overlaying a plurality of left- eye images and a plurality of right-eye images at a field rate driven by the drive signal. The viewing device includes a television receiver. The transmitter may be an infrared, ultrasonic, or radio frequency transmitter. The pair of viewing glasses includes a left-viewing-light valve and a right-viewing-light valve. In response to receiving the drive signal, the left-viewing-light valve opens and closes, synchronized with the field rate, for viewing the plurality of left-eye images. The right- viewing-light valve, responsive to the drive signal, opens and closes synchronized with the field rate, but alternatingly with the left-viewing-light valve, for viewing the plurality of right-eye images. The plurality of left-eye images and the plurality of right-eye images appear three-dimensional when viewed through the pair of viewing glasses, and appear two-dimensional when viewed without the viewing glasses.

Système et méthode de visualisation d'images tridimensionnelles et bidimensionnelles en couleur ou monochromes devant être diffusées selon les standards NTSC, PAL, SECAM et autres standards utilisés dans le monde. L'invention prévoit un dispositif de caméra (110), un dispositif de visualisation (86), un émetteur (15) qui émet un signal d'attaque et au moins une paire de lunettes de visualisation (76). La caméra (110) comporte un objectif d'imagerie unique (18) comportant un modulateur de lumière (30) bifurqué à double ouverture, et un espace d'image unique pour la réception et la superposition d'une série d'images oeil-gauche et d'une série d'images oeil-droit à un rythme commandé par le signal d'attaque. L'émetteur (15) peut être un émetteur de fréquence infrarouge, ultrason ou radio. La paire de lunettes de visualisation (76) comporte un modulateur de lumière oeil-gauche (77) et un modulateur de lumière oeil-droit (78).

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