Video telephone equipment

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United States of America Patent

PATENT NO 5491507
SERIAL NO

08139700

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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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.

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Patent Owner(s)

Patent OwnerAddress
HITACHI LTD6-6 MARUNOUCHI 1-CHOME CHIYODA-KU TOKYO 100-8280

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ishida, Kiyoshi Yokohama, JP 36 1300
Ishinabe, Iwao Koganei, JP 11 567
Kuriyama, Hiroyuki Yokohama, JP 51 1717
Nishiyama, Takanori Mitaka, JP 34 912
Umezawa, Koichi Tokyo, JP 16 596

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Patent Citation Ranking

  • 247 Citation Count
  • H04M Class
  • 96.44 % this patent is cited more than
  • 29 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges611342239971331801 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +05101520253035404550556065707580859095100105110115120

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