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Multichannel telephone alarm system

A telephone alarm and multi-channel technology, applied in telephone communication, electrical components, branch office equipment, etc., can solve the problems of high cost and waste

Inactive Publication Date: 2015-05-27
王颖
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there are many kinds of dial-up alarms on the market, but most of them are telephones with special functions, and the cost is very high.

Method used

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  • Multichannel telephone alarm system

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Embodiment Construction

[0010] As shown in the figure, the present invention includes a processor, a keyboard, a display module, a memory, an EPROM, a voice chip, a transceiver module and a voltage stabilizing circuit, and is characterized in that: the processor is connected to the voice chip through the memory, the EPROM, and the processor is also connected The module, the voltage stabilizing module, the keyboard, the display module and the power supply are connected.

[0011] Described processor is AT89C51 one-chip computer.

[0012] Most of the telephones used by users today are touch-tone telephones, which belong to the third generation of telephones. Its three basic building blocks are composed of high-performance electronics and components. The call part adopts sound-electric and electro-acoustic converters with good frequency response characteristics and long life as the microphone and receiver, and is equipped with a sender-receiver amplifier composed of a special integrated circuit to...

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Abstract

The invention relates to a multichannel telephone alarm system and particularly relates to improvement of the multichannel telephone alarm system, belonging to the field of signal devices. The multichannel telephone alarm system has an alarming function and comprises a processor, a keyboard, a display module, a memorizer, an erasable programmable read only memory (EPROM), a voice chip, a transceiver module and a voltage stabilizing circuit. The multichannel telephone alarm system is characterized in that the processor is connected with the voice chip through the memorizer and the EPROM. The processor is also connected with the transceiver module, a voltage stabilizing module, the keyboard, the display module and a power supply.

Description

technical field [0001] The invention belongs to the field of signal devices, and in particular relates to an improvement of a multi-channel telephone alarm system. Background technique [0002] The 19th century is the information age, and various new telecommunication technologies have promoted the progress of human civilization. Since Bell invented the telephone in 1876, the telephone networks of countries all over the world have developed very rapidly. In the past ten years, China's fixed-line telephone business has shown rapid growth that has attracted worldwide attention. In August 1997, the total capacity of office telephone exchanges exceeded 100 million, and the network scale ranked second in the world. In July 1999, the total number of fixed telephone users exceeded 100 million. The modern telephone network is composed of switches and telephone transmission lines. Its performance has been greatly improved, and its reliability is very high. With the development of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04M11/04H04M1/725
Inventor 王颖赵敬瑏
Owner 王颖