05491507 is referenced by 222 patents and cites 18 patents.

A handy type video telephone equipment which permits a user to transmit and receive pictures and speech with a casing held in one hand. A speaker is arranged at the upper end part of the front of the casing which is thin and vertically long, while a microphone is arranged at the lower end part thereof. A display panel and a control panel are interposed between the speaker and the microphone. A camera is mounted on the casing so as to be capable of altering its angle. The speaker is detachably mounted, and it is usable as an earphone when detached. The user's movements are not hampered during the transmission and reception, and the equipment can assume various communication or service attitudes conforming to the contents of information for the communications.

Title
Video telephone equipment
Application Number
8/139700
Publication Number
5491507
Application Date
October 22, 1993
Publication Date
February 13, 1996
Inventor
Iwao Ishinabe
Koganei
JP
Kiyoshi Ishida
Yokohama
JP
Takanori Nishiyama
Mitaka
JP
Hiroyuki Kuriyama
Yokohama
JP
Koichi Umezawa
Tokyo
JP
Agent
Evenson McKeown Edwards & Lenahan
Assignee
Hitachi
JP
IPC
H04N 7/14
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