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:
Nov. 18, 2014
Filed:
Mar. 11, 2011
Yang Liu, Beijing, CN;
Weizheng Zhang, Beijing, CN;
Xinlin YE, Beijing, CN;
Jianjun Liu, Beijing, CN;
Xinbin Liu, Beijing, CN;
Yang Liu, Beijing, CN;
Weizheng Zhang, Beijing, CN;
Xinlin Ye, Beijing, CN;
Jianjun Liu, Beijing, CN;
Xinbin Liu, Beijing, CN;
Beijing Irtouch Systems Co., Ltd, Beijing, CN;
Abstract
A control panel and a serial port communication arbiter for a touch screen with a camera are provided. A serial port communication method for a touch screen with a camera includes: transmitting a channel request message to the serial port communication arbiter, the channel request message being used for requesting for occupying the channel between the control panel of the touch screen with camera and an upper computer; receiving a channel response message transmitted by the serial port communication arbiter, the channel response message containing a state of the channel; transmitting data to the upper computer over the channel if the state of the channel is idle. It can save production cost of the control panel, improve system performance, and facilitate maintenance of the control panel.