KR940006098Y1 - Interface circuit between computer and telephone - Google Patents

Abstract

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Description

Interface circuit of computer and telephone answering machine

1 is a block diagram of the present invention.

2 is a flow chart of the present invention.

* Explanation of symbols for main parts of the drawings

1: Phone 2: A / D Converter

3: attenuator 4: ring signal detector

5: auxiliary storage device 6: computer

101-109: STEP SW: Hook switch

The present invention relates to an apparatus for having a voice answering function of a telephone using a computer, and more particularly, to an interface circuit of a computer and a telephone answering machine for enabling data exchange between two apparatuses.

In general, a telephone answering machine has a built-in answering device. However, since the circuit configuration is complicated, the contents that can deliver a message in the absence of the receiver are limited, and the data that can contain the sender's information is limited. Not only can't record a lot of content, but also lacks complementary information, which makes the user unreliable. Also, there was a lack of devices to connect the phone and the computer to enable the auto-response function. .

Therefore, the present invention provides an INTERFACE circuit having an automatic answering device function of a phone using a computer to express various contents of a message, as well as storing transmitted voice data in a file such as a diskette. The purpose of the present invention is to provide a safer telephone answering device because it can be permanently preserved and complementary.

Hereinafter, described in detail by the accompanying drawings as follows.

As shown in FIG. 1, when the storage is completed through the A / D converter 2 for converting the voice data DATA output from the ordinary telephone 1 into a digital signal, an interrupt signal is added to the auxiliary memory device 5 that applies an interrupt signal. A second attenuator 5 connected to the auxiliary memory device 5 so as to exchange data with the computer 6 in which the necessary message is programmed, and the computer 6 attenuates the speaker drive output to match the level of the telephone receiver. A ring signal detector 4 connected to the phone 1 through 3) and detecting a ring tone of the phone 4 is configured to be connected to a hook switch SW and a computer 6 to open and close a communication circuit and a line. do.

Referring to the operation and effect of the present invention made of the above configuration by the configuration diagram of Figure 1 and the flow chart of Figure 2 as follows.

First, when the reception signal is applied to the telephone 1 (step 101), the ring signal detector 4 detects the dial tone of the telephone 1 for a predetermined number of times (step 102) to notify the computer 6 that the telephone has been received and its signal. The computer 6 receives the hook switch SW in the ON state (step 103) and generates an interrupt signal from the computer 10 (step 104) to attenuate the programmed message contents (step 104). Since the speaker drive output from the computer 6 is high through), the phone 1 is outputted by lowering it to an appropriate level in order to match the level of the telephone receiver. (Step 105)

Therefore, the sender checks the contents of the message authorized by the computer 6, and then transmits the contents of the transmission by voice and prepares the reception at the same time. (Step 106)

On the other hand, since the sender's voice is an analog signal, the A / D converter 2 converts the digital signal so that the computer 6 can handle it. At this time, the digital conversion speed of the A / D converter 2 is slow and the computer 6 Since it cannot wait, it is temporarily stored in the auxiliary memory device 5 composed of RAM (step 107). After data storage is completed, an INTERUPT signal is outputted to the auxiliary memory device 5 by outputting an interrupt signal to the computer 6. The stored data is stored on a diskette or a file, and when the transmission is completed, the hook switch SW is turned OFF in the computer 6 (step 108) to complete the system operation.

(Step 109)

However, the user can reproduce the transmission contents as it is by reproducing the data contained in the diskette, so that the computer 6 can have the function of the telephone answering machine in the absence.

As described above, the present invention constitutes the interface circuit of the telephone answering device by using the computer 6, so that the transmission contents are stored in a file such as a diskette, so that playback is easy, as well as excellent permanent preservation and complementation. 1) Since it is controlled by the program, various file operations are possible and many messages can be left in the absence, which is a useful design that can expect high effect of the telephone answering device.

Claims (1)

The voice analog data DATA output from the ordinary telephone 1 is connected to the auxiliary memory device 5 which applies an interrupt signal when memory storage is completed through the A / D converter 2 for digital signal call conversion. The auxiliary memory device 5 is connected to the computer 6 where necessary messages are programmed for mutual data exchange, while the computer 6 has an attenuator 3 that attenuates the speaker drive output to match the level of the handset. And a ring signal detector 4, which is connected to the telephone 1, and which the telephone 4 detects a beep, to a hook switch SW and a computer 6 for opening and closing a circuit and a line. INTERFACE circuit between computer and telephone answering machine.