Apparatus for still picture video telephone apparatus and method

Details Apparatus for still picture video telephone apparatus and method Apparatus for still picture video telephone apparatus and method

1988-12-16

1990-10-09

Ng, Jin F.

Telephonic communications

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

Including fiber optic link within telephone network

379 96, 379100, 358 85, 358453, H04M 1100, H04N 714

Patent

active

049625217

ABSTRACT:
A still picture video telephone apparatus adapted to transmit and receive, through a telephone line, still picture information from a television camera or the like, during a telephone call, includes a picture memory for storing a plurality of pages of picture information consisting of a camera-taken picture memory portion which rewrites still picture information input therein delivered from the television camera at intervals of a predetermined period, a self-prepared picture memory portion which stores desired still picture information until arrival of a rewrite instruction, and an incoming picture memory portion which sequentially rewrites still picture information therein upon receipt of still picture information when its storage regions are filled up, memory region input information for setting up regions for the self-prepared picture memory portion and the incoming picture memory portion within the picture memory, and picture memory control circuit for controlling still picture information input to and output from the picture memory based on the memory region information, wherein the picture memory is capable of storing a plurality pages of still picture information and allocating memory regions to the self-prepared picture memory portion and the incoming picture memory portion in various ways.

REFERENCES:
patent: 4258387 (1981-03-01), Lemelson et al.
patent: 4291198 (1981-09-01), Anderson et al.
patent: 4485400 (1984-11-01), Lemelson et al.
patent: 4715059 (1987-12-01), Cooper-Hart et al.
patent: 4739413 (1988-04-01), Meyer

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