Patent ID: 7577766
Filing Date: 2009-08-18
Classification: H04N

Abstract:
1. A method for controlling an electronic apparatus, the electronic apparatus including a USB interface that is used for connecting a USB device, the method comprising the steps of: monitoring the USB interface to determine when the USB device has been connected; assessing whether the connected USB device is of a first device class or a second device class different from the first device class; starting a first control program for controlling a first operation mode in a case where the assessing step finds that the connected USB device is of the first device class; reading a second control program for controlling a second operation mode from the connected USB device in a case where the assessing step finds that the connected USB device is of the second device class, wherein the second operation mode is a factory mode to support an operator in at least one of manufacture, test, inspection, or repair of the electronic apparatus; storing the second control program in a volatile memory of the electronic apparatus; determining whether the second control program is a valid control program; starting the second operation mode by using the second control program in the volatile memory and executing the second control program only in a case where the determining step determines that the second control program is a valid control program, thereby to support an operator in said at least one of manufacture, test, inspection, or repair of the electronic apparatus; and powering off the electronic apparatus after the second operation mode is finished.