JPS62233957A - Automatic dialing device - Google Patents

Abstract

PURPOSE:To prevent the communication of other line terminal equipment connected in parallel from being disturbed by applying automatic dialing when an automatic dial start time is detected and the loop open state is obtained and applying automatic dial when the loop open state comes at the loop close state. CONSTITUTION:A time is read by using an interruption signal at every minute from a timer circuit 3 by a control section 6, the automatic dial start time stored in a storage circuit 2 is compared with a present time, and when the both are coincident, the state of a telephone line 4 is checked by a telephone line state detection circuit 7. When the telephone line 4 is in the loop open state, a dial signal generating circuit 5 is used according opposite telephone number information stored in the storage circuit 2 to apply automatic dial immediately. When the telephone line 4 is in the loop close state, the equipment waits until the loop open state comes and automatic dialing is applied by using the dial signal generating circuit 5 according to the opposite telephone number information stored in the storage circuit 2.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an automatic dialing device that automatically calls a preset destination at a preset time.

BACKGROUND ART A block diagram of a conventional automatic dialing device is shown in FIG.
The operation will be explained below.

1 is a keyboard used to set destination phone number information and automatic dialing start time information; 2 is a random access memory (hereinafter referred to as RA) that stores the destination phone number information and automatic dialing start time information entered from keyboard 1;
3 is a timer circuit for measuring time; 4 is a telephone line; 5 is a dial signal generating circuit for generating dial pulses or dial tones; 6;
is a control unit consisting of a My20 computer. In the automatic dialing device configured as described above, the user manually inputs the telephone number of the other party and the automatic dialing start time from the keyboard 11. The control unit 6 causes the storage circuit 2 to store the destination telephone number information and automatic dial activation time information set in this manner. On the other hand, the control unit 6 uses the interrupt signal from the timer circuit 3 every minute to control the memory circuit 2.
The automatic dial activation time stored in the memory circuit 2 is compared with the current time, and if the two match, the dial signal generation circuit 5 is used to dial according to the destination telephone number information stored in the memory circuit 2. Automatically dial immediately.

Problems to be Solved by the Invention However, in the automatic dialing device configured as described above, when the automatic dialing start time comes, the memory is stored regardless of whether the telephone line is in a loop open state or a loop closed state. Since automatic dialing was performed using a dialing signal generation circuit according to the destination telephone number information stored in the circuit, in a system where an automatic dialing device and a telephone or communication terminal device are connected in parallel to a telephone line, The telephone or communication terminal device sometimes dials automatically even though the telephone line is in use, which has the problem of interfering with telephone calls or data communications.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned prior art, and provides an automatic dialing device that does not interfere with telephone calls or data communications of telephones or communication terminals connected in parallel to a telephone line by dialing. There is a particular thing.

Means for Solving the Problems In order to solve the above-mentioned problems, the automatic dialing device of the present invention includes an input means and a memory for storing destination telephone number information and automatic dialing start time information manually entered by the manual means. a clocking means for timing the time; a dialing signal generating means for automatically dialing according to destination telephone number information; a telephone line state detecting means for detecting whether the telephone line is in a loop open state or a loop closed state; and the clocking means. When it is detected that the time information from and the automatic dial start time stored in the storage means match, the telephone line state detection means inspects the state of the telephone line, and if the telephone line is in an open loop state, , automatically dials using the dialing signal generating means according to the destination telephone number information stored in the storage means, and if the telephone line is in a loop closed state, waits until the loop becomes open, and the loop is opened. and control means for automatically dialing using dial signal generation means in accordance with destination telephone number information currently stored in the IE means.

Effect With this configuration, the automatic dialing device will postpone automatic dialing when the telephone line is in a loop-blocked state, and will perform automatic dialing when the loop becomes open.
It does not interfere with communication of other line terminal devices connected in parallel.

Embodiment An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 shows a blockage factor of an automatic dialing device in one embodiment of the present invention. In Figure 2, ■ is the keyboard used to set the destination telephone number information and automatic dialing start time information, and 2 is the correspondence relationship between the destination telephone number information input from keyboard 1 and this telephone number information. 3 is a timer circuit that measures the time; 4 is a telephone port M; G is a dial signal generating circuit that generates dial pulses or dial tones; 6; Reference numeral 7 designates a control unit composed of a microcomputer, and 7 a telephone line state detection circuit for detecting whether the telephone line is in a loop open state or a loop closed state.

In the automatic dialing operation configured as described above, the user inputs the telephone number of the other party and the automatic dialing activation time using the keyboard 1. The control unit 6 causes the storage circuit 2 to store the destination telephone number information and automatic dial activation time information set in this manner.

The automatic dialing operation will be explained below with reference to the flowchart of FIG.

The control unit 6 reads the time using the minute-by-minute interrupt signal from the timer circuit 3 (step a), and Xa12. Compare the automatic dial start time stored in the circuit 2 with the current time (step b); if the two match, then check the state of the telephone line 4 by the telephone line state detection circuit 7 (step c); If the telephone line 4 is in a loop open state, the telephone line 4 is automatically dialed immediately using the dialing signal generating circuit 5 according to the destination telephone number information stored in the memory circuit 2. In step d), the telephone line 4 is in a loop closed state. If so, wait until the loop is opened, and at the time the loop is opened, the dial signal generating circuit 5 dials according to the destination phone number information stored in the storage circuit 2.
to automatically dial.

As described above, according to this embodiment, when the automatic dialing start time comes, it is checked whether the telephone line is in the loop open state or the loop closed state, and if it is in the loop closed state, it waits until the loop becomes open. When the loop becomes open, 1. is written in the storage means. Since automatic dialing is performed according to the telephone number information of the other party entered in the The advantage is that while the device is using the telephone line, it automatically dials and does not interfere with calls or data communications.

Effects of the Invention As described above, the present invention includes an input means, a storage means for storing destination telephone number information and automatic dial start time information entered manually by the input means, and a clock means for measuring the time.
dialing signal generating means for automatically dialing according to destination telephone number information; telephone line state detecting means for detecting whether the telephone line is in a loop open state or loop closed state; and a time 111 report from said timer means and stored in said storage means. When it is detected that the automatic dialing start time information has been matched, the state of the telephone line is inspected by the telephone Iul line state detection means, and if the telephone line is in a loop open state, the state is stored in the storage means. Automatically dial using the dialing signal generating means according to the telephone number information of the called party, wait until the loop is opened if the telephone line is in the loop closed state, and store it in the storage means when the loop becomes open. The automatic dialing device and the telephone set or communication terminal device are connected in parallel to the telephone line. In a system where a telephone or a communication terminal device is using a telephone line, automatic dialing is performed, thereby eliminating interference with telephone calls or data communications.

[Brief explanation of drawings]

FIG. 1 is a block diagram showing the configuration of an automatic dialing device in this embodiment, FIG. 2 is a flow chart showing the operation flow of the automatic dialing device in the same embodiment, and FIG. 3 is a configuration of a conventional automatic dialing device. FIG. 1... Keyboard 2... Memory circuit 3... Timer circuit 4... Telephone line 5... Dial signal generation circuit 6... Control section

Claims (1)

[Claims] an input means, a storage means for storing the destination telephone number information and automatic dial activation time information inputted by the input means, a clock means for keeping time, and a dialing signal generating means for automatically dialing according to the destination telephone number information. and a telephone line state detection means for detecting whether the telephone line is in a loop open state or a loop closed state, and detecting that the time information from the time measurement means and the automatic dial activation time information stored in the storage means match. At times, the state of the telephone line is checked by the telephone line state detection means, and if the telephone line is in an open loop state, the dialing signal generating means is used according to the destination telephone number information stored in the storage means. Automatically dials, and if the telephone line is in a loop-closed state, waits until the loop becomes open, and when the loop becomes open, uses the dialing signal generating means according to the destination telephone number information stored in the storage means. and control means for controlling automatic dialing.