The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 06, 2018
Filed:
Jul. 31, 2014
Boe Technology Group Co., Ltd., Beijing, CN;
Beijing Boe Special Display Technology Co., Ltd., Beijing, CN;
BOE TECHNOLOGY GROUP CO., LTD., Beijing, CN;
BEIJING BOE SPECIAL DISPLAY TECHNOLOGY CO., LTD., Beijing, CN;
Abstract
The present invention provides a communication system comprising a host computer, control cabinets and peripheral devices, the control cabinets comprising serial ports used for communication among the peripheral devices and the host computer. The operating period of the communication system includes a polling phase and a free communication phase, in the polling phase the host computer sends query instructions to the control cabinets through the serial ports on each of the control cabinets, and in the free communication phase the control cabinets communicate with corresponding peripheral devices through the serial ports. The present invention also provides a communication method for the communication system. Using the communication system of the present invention, reliability of communication among the control cabinets, the host computer and the peripheral devices through a same serial port can be ensured without increasing hardware volume and costs of the communication system.