JPS59200563A - Absence pretense telephone set - Google Patents

Abstract

PURPOSE:To shut off telephone calls calling indiscriminately by selecting only a specific calling subscriber who is taught previously a password and allowing an incoming call from said subscriber. CONSTITUTION:A changeover switch 3 is changed over when a telephone set 2 is in on-hook state, and a telephone circuit 1 is connected to circuits succeeding a ringback tone detecting circuit 4. When there is an incoming telephone call, the ringback tone is detected and transmitted to a sequence control circuit 9. The sequence control circuit 9 makes an answer by operating an off-hook circuit 5. A message transmitting circuit 6 is operated successively to send out a message of absence of the incoming subscriber. Then, the voice of a calling subscriber is discriminated and collated with the predetermined specific password, and a ringing bell 8 is allowed to sound only when the discriminated voice is coincident, informing the incoming subscriber of the telephone incoming.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a home telephone, particularly an answering machine.

The present invention provides an answering machine with functions not previously available, including a changeover switch that works with the hook switch of the telephone, a ring detection circuit that detects a ring from a telephone exchange, and a ring detection circuit that detects a ring from a telephone exchange. An off-hook circuit that connects the caller with the caller via a telephone exchange, a message sending circuit that sends a message to the caller informing him that the caller is absent, and a message receiving circuit that receives the voice emitted by the caller. It is equipped with a voice recognition circuit that identifies the caller, and a ringing bell that notifies the called party of the incoming call. The system is designed to ring a ringing bell to alert a specific caller of an incoming call only if the password is given in advance to the specific caller.

Hereinafter, one embodiment of the present invention will be described with reference to the drawings. In the figure, ■ is the telephone line connected to the telephone exchange, 2 is the telephone, and 3 is the pil
1 selector switch, 4 is a ringing detection circuit, 51
-j is an off-hook circuit; 6 is a message sending circuit; 7 is a voice recognition circuit; 8 is a call bell; 9 is a sequence control circuit; the operation f: will be explained below.

The changeover switch 3 is switched as shown in the figure when the telephone 2 is on-hook, and the telephone circuit 1 is connected to the ring detection circuit 4 and other circuits. When a telephone call arrives, the ringing tone sent from the telephone exchange is detected by the ringing tone detection circuit 4 and transmitted to the sequence control circuit 9. The seedance control circuit 9 activates the off-footer circuit 5, responds to the incoming call to the telephone exchange, and establishes a communication state with the caller via the telephone exchange. Subsequently, the 7-can control circuit 9 activates the message sending circuit 6 to send out a message indicating that the recipient is absent. Thereafter, the voice uttered by the caller is received by the voice recognition circuit 7, and the job-specific words are notified to the 7-cence control circuit 9.

The sequence control circuit 9 compares the words identified by the voice recognition circuit 7 with predetermined specific words, and only when they match, rings the call bell 8 to notify the called party of the incoming call. The changeover switch 3, which operates in conjunction with the hook switch of the telephone 2 when the called party picks up the transceiver of the telephone 2, connects the telephone line 1 to the telephone 2 at this time.

As described above, according to the answering machine according to the present invention, only specific callers who have been told a password in advance are selected,
It becomes possible to allow incoming calls, and is expected to be highly effective in repelling indiscriminate calls regardless of the callee's convenience or inconvenience.

[Brief explanation of the drawing]

The figure is a configuration diagram for explaining the present invention.

Claims (1)

[Claims] A changeover switch that works with the phone's hook switch,
a ring detection circuit for detecting a ring from a telephone exchange; an off-hook circuit for responding to a call from the telephone exchange and establishing a communication state with a caller via the telephone exchange; The present invention includes a message sending circuit for notifying the caller of the caller's absence, a voice recognition circuit for receiving and identifying the voice emitted by the caller, and a ringing bell for informing the caller of the incoming call. . . . A telephone answering machine, characterized in that only when the voice recognition circuit receives a password uttered by the caller, the callee is informed of the incoming call.