Title:
TELEVISION INTERPHONE SYSTEM
Document Type and Number:
Japanese Patent JPH05276517
Kind Code:
A
Abstract:
PURPOSE: To allow a television interphone system to fulfill the function of storing the video signal and the audio signal of a visitor during absence and to improve the ease of observance of a picture by an interphone master set.
CONSTITUTION: A television receiver 4 and a video recording and a reproducing device 5 are connected to a basic system in which a doorphone slave set 1 with a camera 6 and an interphone master set 2 with a monitoring television receiver 7 are connected via a switching adaptor 3. The switching adaptor 3 acts like the interlocking state of the television receiver 4 or the video recording and a reproducing device 5 to the interphone master set 2 by a control signal or the like from a remote control slave set 9.
Inventors:
Ikeda, etc.
Suzuki Muneo
Koyanagi
Akihiko Hasegawa
Kazuhiko Kono
Suzuki Muneo
Koyanagi
Akihiko Hasegawa
Kazuhiko Kono
Application Number:
JP6870692A
Publication Date:
October 22, 1993
Filing Date:
March 26, 1992
Export Citation:
Assignee:
MATSUSHITA ELECTRIC WORKS,LTD.
International Classes:
H04M9/00; H04N7/18; (IPC1-7): H04N7/18; H04M9/00
Attorney, Agent or Firm:
Hiroyuki Nakai