Color parallax-free camera and display

Details Color parallax-free camera and display Color parallax-free camera and display

1992-09-02

1993-09-07

Powell, Mark R.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 41, 358 56, 358 60, 358 58, 379 53, H04N 714

Patent

active

052434133

ABSTRACT:
Improved image quality is realized in a parallax-free teleconferencing display by increasing the camera light budget, that is, by increasing the light available to the camera, while maintaining a common optic axis between the camera and the display screen. Light-attenuating devices, such as color filters, are repositioned out of the path of light entering the camera. In this manner, image quality is improved while color capability is maintained.

REFERENCES:
patent: 4090219 (1978-05-01), Ernstoff et al.
patent: 4400725 (1983-08-01), Tanigaki
patent: 4928301 (1990-05-01), Smoot
patent: 5117285 (1992-05-01), Nelson et al.
patent: 5159445 (1992-10-01), Gitlin et al.

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