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A communication method and system for anti-collision code

A communication system and communication method technology, applied in the field of device communication, can solve problems such as loss, data collision, and host receiving data errors.

Active Publication Date: 2020-07-28
山东亚华电子股份有限公司
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

When multiple extensions transmit data on the same bus at the same time, it is easy to cause data collision, resulting in error or loss of data received by the host

Method used

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  • A communication method and system for anti-collision code
  • A communication method and system for anti-collision code
  • A communication method and system for anti-collision code

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Embodiment Construction

[0026] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary examples do not represent all implementations consistent with this specification. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present specification as recited in the appended claims.

[0027] The terms used in this specification are for the purpose of describing particular embodiments only, and are not intended to limit the specification. As used in this specification and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the t...

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Abstract

The invention discloses an anti-collision code communication method and system, and the method is applied to a two-wire system communication system which comprises a host and at least one extension set, and comprises the steps: carrying out the pre-coding of the at least one extension set, obtaining corresponding extension set identifiers, and enabling the extension set identifiers to be in one-to-one correspondence with the extension sets; Setting a preset time delay for the extension corresponding to each extension identifier according to the extension identifier; Wherein different extensionsets correspond to different preset time delays; And according to the time delay, the extension sets send data to the host through a two-wire system bus. In the method, each extension set is coded inadvance, and different time delays are preset for each coded extension set; Therefore, when a plurality of extension sets send data to the host at the same time, no data collision is generated on themain line, so that the host can normally receive the data of the plurality of extension sets.

Description

technical field [0001] This specification relates to the technical field of device communication, and in particular to a communication method and system for anti-collision codes. Background technique [0002] At present, in the host and extension system using two-wire wiring, it often happens that one host communicates with multiple extensions at the same time. [0003] At this time, multiple extensions may need to communicate with the host at the same time, and send data to the switchboard through the same bus. When multiple extensions transmit data on the same bus at the same time, it is easy to cause data collision, resulting in wrong or lost data received by the host. [0004] That is to say, how to find a kind of anti-collision code method based on the extension call of the two-wire communication system has become an urgent problem to be solved. Contents of the invention [0005] In view of the above technical problems, this manual provides a communication method an...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00H04M11/02
Inventor 任宪勇宋瑞民陈强宋可鑫
Owner 山东亚华电子股份有限公司
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