Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network
Patent
1989-04-18
1990-05-22
Ng, Jin F.
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
049283006
ABSTRACT:
A videophone is provided wherein a TV camera is detachable from the videophone unit for the purpose of facilitating the operation of the TV camera when imaging subjects other than the user.
REFERENCES:
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
Ogawa Kohji
Onoki Mikio
Chan Wing F.
Mitsubishi Denki & Kabushiki Kaisha
Ng Jin F.
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