Patent ID: 7852320

Claim:
An information processing apparatus comprising: a rectangular housing with a right end portion, a left end portion, a front end portion and a rear end portion, configured to incorporate a variety of electronic components; an optical position detection Integrated Circuit (IC) configured to output two-dimensional movement amount information indicative of amounts of an object movement in a horizontal direction and a vertical direction in accordance with a movement of the object on a detection area comprising a light-transmissive area disposed on a top surface of the housing, the optical position detection IC comprising a rectangular package with a first end portion and a second end portion, and a sensor configured to detect the movement of the object, the sensor being located between the first end portion and a central position of the package, closer to the first end portion side of the package; an attitude signal output module in the housing, configured to output a 1-bit-width attitude signal indicative of whether the optical position detection IC is disposed in a first direction in which the first end portion of the package is opposed to the right end portion of the housing and the second end portion of the package is opposed to the left end portion of the housing, or in a second direction in which the first end portion of the package is opposed to the rear end portion of the housing and the second end portion of the package is opposed to the front end portion of the housing; and a controller in the housing, configured to control a direction and an amount of movement of a cursor displayed on a display, based on the attitude signal and the movement amount information from the optical position detection IC.