Teleconferencing terminal with camera behind display screen

Details Teleconferencing terminal with camera behind display screen Teleconferencing terminal with camera behind display screen

1989-10-31

1990-05-22

George, Keith E.

Telephonic communications

Having light wave or ultrasonic link for speech or paging...

Including fiber optic link within telephone network

358 85, H04M 1100, H04N 714

Patent

active

049283014

ABSTRACT:
A teleconferencing terminal which enables teleconference participants to communicate with eye contact is disclosed. The terminal alternates rapidly between an image capture mode and an image display mode. Illustratively, during operation in the image capture mode a front surface screen is made transparent and a video camera acquires a head-on image of a teleconference participant. During operation in the image display mode, the front surface screen is made translucent for display of a video image via rear projection. Preferably, operation in the image capture mode takes place during the vertical retrace interval of the image to be displayed.

REFERENCES:
patent: 4400725 (1983-08-01), Tanigaki
patent: 4890314 (1989-12-01), Judd

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