Abstract: A touch keyboard is provided, which mainly includes a touch panel to be sensed and actuated by touching with fingers and other objects, so as to execute instructions. A light-emitting display interface is mounted and integrated with the touch panel corresponding to a position sensed on the touch panel, and the corresponding position sensed on the touch panel is displayed through a light-emitting diode of the light-emitting display interface, such that the touch keyboard has the same function of inputting characters as that of an ordinary keyboard, and the output data sensed is then transmitted to the microprocessors, cell phones, or other products requiring an electronic key-in interface through a transmission device connected to both the touch panel and the light-emitting display interface, wherein the transmission device acts as a transmission interface between the touch keyboard and microprocessors, cell phones, or products requiring a key-in interface.

Abstract: A method and a system for maintenance of engineering change data are provided. A form generation module generates an electronic form for maintenance of engineering change data according to access rights and search conditions input from a user via a terminal device. A verification module compares engineering data before and after being modified by the user to determine if engineering data, unexpected to be changed, are modified by the user; if yes, the verification module generates an alert message to confirm this modification with the user. A transfer module transfers the electronic form with the engineering change data to an associated responsible unit for verification and approval. A maintenance module updates and upgrades version of engineering data in a database and a backend data processing system once the engineering change data are verified and approved. By the above method and system, operational errors and invalid data modification are eliminated.