RU7128U1 - TELEPHONE DIAL - Google Patents

Description

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DESCRIPTION OF A USEFUL MODEL. DOMOFON IN DONS WITH CONTINUOUS TELEPHONIZATION.

USES .; utility model relates to telephone

ESSENCE; instead of using special wiring and Big

quantity of additional parts, as it is necessary to have

intercoms in each apartment, the possibilities of using an existing telephone are simply expanding, 1 At the same time, this does not interfere with normal use.

The utility model relates to communications, namely to telephones,

PURPOSE OF THE USEFUL MODEL installation of the on-door speakerphone - with a minimum of expenses. The dialer-dialer is connected in parallel with the apartment, which is determined in turn, by agreement with the tenants or, finally, to the seoWare number from the backup, determined by the station

It is possible to connect a parallel telephone - a doorphone using a radio channel. The radio channel allows you to less disrupt the integrity of the telephone network and ayat. Without coordination with the telephone exchange. The possibility of calling an apartment telephone parallel to the intercom telephone is retained. There are some inconveniences for the door calling us, if at the same time the owner of the number parallel to the intercom is talking. But you can come to an agreement and let BWSOB be sent, and with a pet continue the conversation.

The device works as follows, at the bottom of the front door there are buttons with apartment numbers and a microphone with

reproducer. Perhaps they are connected. The work is carried out as with a telephone with a one-touch dialing of the preset numbers. First, a button that simulates the removal of a hitch is pressed, and remains pressed, then the button with the apartment number is pressed, the microcircuit issues the corresponding number and the connection is made

and negotiations .- When ypligam number1 apartments profitable

use a small button, but a more complex scheme.,. When

Since it is a parallel telephone, it will suppress the signal when the chip number is m & o.

It is impossible to use such an intercom for other negotiations, it only connects to the apartment, the button with the number of which is pressed.

... 2

Claims (1)

A telephone intercom, which is a device using residential telephones, characterized in that a limited-use telephone connected in parallel with some apartment telephone is used as a dialer.