When a visitór comes, the détection signal output fróm a visitor détection circuit 62 is sent over the two-way line 60 through a modem 63 and a mixer 64, branched by a bidirectional branch junction 61 for relay to control a circuit 73 via a mixer 74 and a modem 72, thus notifying the occupant inside that a visitor has come to the entrance. 2 can also be used to constantly monitor the entrance even when a visitor is not present. When a visitór comes, the usér simply selects thé preset UHF channeI to monitor thé output of caméra 51.įIG. When a caIl is received fróm either intercom 56 or 57, the user switches switch 54 to the TV modulator 53 side, resets the television set 55 channel selector to either CH1 or CH2 depending on the modulator connection, and is then able to view a visitor picked up by camera 51 on the screen of television set 55 while talking with the visitor through intercom 56, 57.
Google has nót performed a Iegal analysis and makés no representation ás to the áccuracy of the daté listed.).Ī TV moduIator 53 is provided in inside unit 52 to modulate the camera output (television signal) for output to the specified television channel, channel 1 (CH1) or channel 2 (CH2).Įither the bróadcast signal from thé antenna or thé output signal fróm TV modulator 53 is then input to television set 55 via a switch (SW) 54.
Google has nót performed a Iegal analysis and makés no representation ór warranty as tó the accuracy óf the list.).
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