JPH11164010A - Telephone system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To automatically register the caller number of a mischief telephone call o the like so as to inhibit an incoming alarm corresponding to this number thereafter. SOLUTION: This telephone system comprises a caller number detecting means 12 for detecting a caller number, an on-hook detecting means 30 for detecting on-hook on the side of a speaking party, and a control means 23 for inhibiting the operation of an alarm means 26 corresponding to the incoming of the same caller number as the caller number detected in incoming when the on-hook on the side of the speaking party is detected within prescribed time after the response of this incoming.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a telephone device capable of receiving a calling number.

[0002]

2. Description of the Related Art At present, an originating telephone number display service in which a telephone station (subscriber exchange) informs a telephone apparatus of a called party of a telephone number (calling party number) of the telephone apparatus (information receiving terminal) of the calling party. (Pre-communication information notification service) November 1, 1997
It was implemented from day.

By the way, a method of effectively using such a calling party number has been considered. For example, a telephone number is registered using a numeric keypad, and when a caller number received at the time of an incoming call is compared with the registered number and matches, a name corresponding to the registered number is displayed, a method of notifying the incoming call is changed, or Is to reject incoming calls.

[0004]

The function of rejecting an incoming call is very useful as a countermeasure for a prank call, for example. However, after a user notes a caller number felt as a prank call, the user can write down the caller number. A process for registering a caller number is required.

[0005]

SUMMARY OF THE INVENTION In view of the above, a telephone apparatus according to the present invention has a caller number detecting means for detecting a caller number, and an on-hook for detecting that a call partner has gone on-hook. Detecting means, notifying means for notifying the incoming call, and detecting on-hook of the other party within a predetermined time after answering the incoming call, detecting the incoming call of the same caller number as the caller number detected in the incoming call. And control means for prohibiting operation of the notification means.

In another telephone apparatus of the present invention, there is provided a caller number detecting means for detecting a caller number, a voice detecting means for detecting the presence or absence of voice of the other party, and a notifying means for notifying an incoming call. And control means for prohibiting the operation of the notifying means for the incoming call of the same caller number as the caller number detected in the incoming call when the caller's silence is detected for a predetermined time after the incoming call is answered. It is characterized by the following.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the accompanying drawings, taking a cordless telephone apparatus including a base unit (1) and a handset (2) wirelessly connected to the base unit as an example. FIG. 1 is a block diagram showing a configuration of a main part of the master unit (1), and FIG. 2 is a block diagram showing a configuration of a main part of the slave unit (2).

First, the configuration of the main part of the master unit (1) will be described. In FIG. 1, reference numeral 11 denotes an incoming call detection circuit which is connected to the telephone line (L) and which shapes the incoming signal into a pulse signal and outputs it. Reference numeral (12) denotes a caller number detecting circuit, which detects the telephone number (caller number) of the caller from a telephone station via a telephone line. The telephone number to be detected includes an area code, a local code, and a subscriber number, and always includes the area code. (13) is a network circuit, which is connected to a telephone line and releases and closes the line. (14) is a dial transmission circuit for transmitting a dial number designated by a control circuit (23) described later.

(15) is a handset, which has a speaker (16) and a microphone (17). (1
8) is a receiving circuit, which receives a signal from the slave unit (2) via the antenna (19). A transmission circuit (20) transmits an output signal of the network circuit (14) to the slave unit (2) via the antenna (19). (21) is P
LL circuit, receiving circuit (18) and transmitting circuit (20)
Change the transmission / reception frequency.

A switching circuit (22) switches the connection to the network circuit (13) to the handset (15) side or the reception circuit (18) / transmission circuit (20) side.

Reference numeral (23) denotes a control circuit composed of a microprocessor, and a ROM (2) storing an operation program.
Each part is controlled based on 4). (25) is a RAM for storing information necessary for the operation of the control circuit (23).
The RAM (25) has an incoming call rejection area for storing a caller number for rejecting an incoming call, and a specific number area for storing a caller number considered to be a prank call or the like. The specific number area can also store the number of incoming calls corresponding to the calling party number.

(26) is a bell, which outputs a ringing tone when an incoming call is received. (27) is a liquid crystal display means capable of switching between green and red backlights, and displays telephone numbers and the like. Reference numeral (28) denotes input means, which includes a numeric keypad (281) for inputting a telephone number and a function key (282) for registering a caller number. (29) is a switch for detecting on-hook and off-hook of the handset (15). Reference numeral (30) denotes a polarity detection circuit for detecting that the polarity of the telephone line has been inverted, and for detecting on-hook of the other party during a call.

Next, the configuration of the main part of the slave unit (2) will be described.
In FIG. 2, reference numeral (31) denotes a receiving circuit, which receives a signal from the master unit (1) via an antenna (32).
(33) is a transmission circuit which converts an input signal to an antenna (3)
The call is transmitted to the master unit (1) via 2). (34) is PLL
A transmission / reception frequency of the reception circuit (31) and the transmission circuit (33).

A speaker (35) is an amplifying circuit (3).
The electric signal of the receiving circuit (31) amplified in 6) is converted into sound. (37) is a microphone, which converts a sound into an electric signal. An amplifier circuit (38) amplifies the output of the microphone (37) and outputs the amplified output to the transmission circuit (33).

Reference numeral (39) denotes a control circuit composed of a microprocessor, and a ROM (4) storing an operation program.
Each part is controlled based on 0). (41) is a RAM for storing information necessary for the operation of the control circuit (39).
(42) is a bell, which outputs a ringing tone upon receiving a call.
(43) is a liquid crystal display means capable of switching between green and red backlights, and displays a telephone number, a call time, a call charge, and the like. Reference numeral (44) denotes input means, which includes a call key (441) for starting a call, an off key (442) for ending a call, and a numeric keypad (443) for inputting a dial number.

Next, FIG. 3 shows a control circuit (2) of the master unit (1).
3 is a flowchart of a main part program written in 3), and the operation will be described based on the flowchart.

When the control circuit (23) detects the caller number from the caller number detection circuit (12), the control circuit (23) displays the caller number on the display means (27), and displays the caller number data. The data is transmitted to the handset (2) (S1). As a result, the control means (39) of the handset (2) displays the caller number on the display means (43). The control circuit (23) of the parent device (1) determines whether or not the received caller number is stored in the incoming call rejection area of the RAM (25) (S).
2). If it is stored, the process returns to the reception standby state, and the bell (26) is not driven for the reception of the incoming signal (S
2).

If not stored, the bell (26) is driven in response to the reception of the incoming signal from the telephone line (L), and the incoming signal is transmitted to the slave unit (2) (S).
3). The control circuit (23) of the child device (2) that has received this also drives the bell (42).

Thereafter, when the handset (15) is taken off-hook or the call key of the handset (2) is operated and a call request signal is transmitted from the handset (2) (S).
4) The control circuit (23) of the base unit (1) closes the telephone line (L) and, if the handset (15) is off-hook, connects the handset (15) and the network circuit (13). If the call request is from the slave unit (2), the reception circuit (18) / transmission circuit (20) is connected to the network circuit (13) (S5). Then, the built-in timer is operated to measure 5 seconds (S6, 8).
When it is detected that the other party has gone on-hook within 5 seconds, the received calling party number is stored in the specific number area of the RAM (25) (S9, 10). If the caller number is already stored in the RAM (25), the number of incoming calls is counted up, and it is determined whether or not the value is "3" (S).
11, 12). If "3", the caller number is stored in the call rejection area and the caller number in the specific number area is cleared (S13).

If the call is cut off within 5 seconds after receiving the incoming call three times, it is usually considered as a mischief call or the like, and the incoming call notification is prohibited for this calling number.

After these processes, the handset (15)
Other processing, such as on-hook detection of, is performed.

FIG. 4 is a block diagram of a master unit (1) of another embodiment, in which a voice detection circuit (301) is provided instead of the polarity detection circuit (30) of FIG. The voice detection circuit (301) is connected to a signal line of the other side of the network circuit (13) and detects a silent period of the other side.
In such a case, the side sounds in the network circuit (13) are suppressed to a very low level, and the sound detection circuit (301) is set so as not to detect the side sounds for the normal sound level.

FIG. 5 is a flow chart of a main part program written in the control circuit (23) of the master unit (1) in FIG. 4. When silence of the other party is detected for 5 seconds after answering the incoming call in step S14, This is determined to be a prank call or the like, and the caller number is stored in the call rejection area of the RAM (25). The other processing is the same as the processing in FIG. 3, and the description is omitted here.

In the present invention, if on-hook within 5 seconds or silence for 5 seconds is detected three times, this is judged as a mischief call or the like, and the caller number is stored in the call rejection area of the RAM (25). It was made to memorize, but RAM RAM
It may be stored in the incoming call rejection area of (25).

[0025]

As described above, the present invention is constructed as described above, so that the calling party number of a telephone or the like is automatically registered,
Thereafter, it is possible to prohibit the notification of the incoming call.

[Brief description of the drawings]

FIG. 1 is a block diagram of a base unit of a telephone device according to the present invention.

FIG. 2 is a block diagram of a slave unit of the telephone device according to the present invention.

FIG. 3 is a flowchart of a program of a main part of a base unit of the telephone device of the present invention.

FIG. 4 is a block diagram of a base unit according to another embodiment of the telephone device of the present invention.

FIG. 5 is a flowchart of a program of a main part of a master unit according to another embodiment of the telephone device of the present invention.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 master device 2 slave device 23 control circuit (master device) 30 pole positive detection circuit 39 control circuit (slave device) 301 voice detection circuit

Claims (2)

[Claims] 1. A caller number detecting means for detecting a caller number; an on-hook detecting means for detecting that a call partner has gone on-hook; a notifying means for notifying an incoming call; A telephone device comprising: control means for prohibiting the operation of the notifying means when an on-hook of a call partner is detected and the incoming call of the same caller number as the caller number detected in the incoming call. 2. A calling party number detecting means for detecting a calling party number, a voice detecting means for detecting the presence or absence of voice of a calling party, a notifying means for notifying an incoming call, and a calling party for a predetermined time after receiving the incoming call. And a control unit for prohibiting the operation of the notification unit when an incoming call of the same caller number as the caller number detected in the incoming call is detected.