Long-range displaying device and method

A display device and remote display technology, applied in electrical components, telephone communication, etc., can solve the problems of difficult maintenance, high cost, and high cost of PSTN text information service system, and achieve the effects of simple maintenance, low cost, and convenient data transmission

Inactive Publication Date: 2005-12-28
深圳市大开实业发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In order to overcome the technical problems of high cost and difficult maintenance of the PSTN text information service system in the prior art, the present invention provides a low-cost and basically maintenance-free remote display device
[0010] In order to o

Method used

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  • Long-range displaying device and method
  • Long-range displaying device and method
  • Long-range displaying device and method

Examples

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Example Embodiment

[0019] The present invention will be further described below in conjunction with the drawings and embodiments.

[0020] See figure 2 The remote display device 200 of the present invention belongs to the SMS (Short Message Service) technology of the fixed telephone network. It uses a PSTN telephone network 40, an information platform 60 connected to the telephone network 40 through a voice card 50, a display device 10, and an information device 30 connected to the display device 10 and the telephone network 40. The information platform 60 is installed with central control software to control the transmission of information. The voice card 50 adopts the DN series voice board of Dongjin Company, which can provide seat, IP, fax, conference and MODEM functions.

[0021] Refer to image 3 The information device 30 includes a micro-processing unit 31, a storage unit 33, a continuation unit 32 and an interface 35. Both the storage unit 33 and the continuation unit 32 are connected to the...

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Abstract

The invention consists of a display unit and an information unit that connects to the display unit and telephone network to transmit messages from remote end information platform to display unit through telephone line.

Description

【Technical field】 [0001] The present invention relates to a display device and method, in particular to a remote display device and method. 【Background technique】 [0002] PSTN (Public Telephone Network) text information service system refers to a system that provides text display services for users through fixed telephone networks and display devices such as LED screens. Such systems are widely used in transportation and advertising industries, such as bus electronic stop signs, billboards, etc. [0003] refer to figure 1 , present technology PSTN text information service system 100 generally comprises a central computer 6, PSTN public telephone network 4, control computer 2 and LED screen 1. The central computer 6 is connected to the PSTN public telephone network 4 through a first MODEM (modem) 5 , and the control computer 2 is also connected to the PSTN public telephone network 4 through a second MODEM 3 . [0004] To put it simply, the system 100 uses the PSTN public ...

Claims

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Application Information

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IPC IPC(8): H04M11/06
Inventor 李应和
Owner 深圳市大开实业发展有限公司
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