Patent ID: 8531827

Claim:
An electronic device, comprising: a keyboard module, comprising a first key area, a second key area, a joining area disposed between the first key area and the second key area, and a first connector disposed in the joining area; and a display module, comprising a connecting surface detachably disposed on the joining area and a second connector disposed on the connection surface for electrically connecting the first connector, wherein the display module is supported on the keyboard module facing toward a first direction when in a first operation mode, and the display module is supported on the keyboard module facing toward a second direction opposite to the first direction when in a second operation mode, wherein the display and keyboard modules are in different electrical connections, the first and second connectors are provided with detecting terminals, and the first and second connectors form two different physical circuit configurations corresponding to the first and second operation modes, respectively, and wherein connections of the detecting terminals are physically different in the two different physical circuit configurations in order to determine which of the first and second operation modes is selected to operate.