Patent ID: 8677311

Claim:
A separate-type signal processing apparatus comprising: a first device having a data acquisition part; and a second device connected with the first device by wire or wireless, wherein the first and second devices work in cooperation to execute a predetermined process, the first device acquires version renewal data for addition to or renewal of software components for respectively controlling the first and second devices, through the data acquisition part, the first device has a first control part and a third control part that works in cooperation with the first control part to execute the predetermined process, wherein the first control part is for sending a completion-of-acquisition notice signal indicating completion of acquisition of the version renewal data by the first device to the third control part and through the third control part to the second device, the second device has a second control part for sending a response signal indicating the second control part is ready for renewal of the software component run by the second control part itself to the first control part when the notice signal is input thereto, wherein the third control part is for sending a response signal indicating the third control part is ready for renewal of the software component run by the third control part itself to the first control part when the notice signal is input thereto, and the first control part renews at least a part of the software component run by the first control part itself based on a part of the acquired version renewal data relevant to the first control part, and transfers to the second control part at least a part of the acquired version renewal data relevant to the second control part, under condition of receipt by the first control part of all of the response signal from the second control part and the response signal from the third control part as an input thereto.