Patent ID: 8305869

Claim:
An optical disc drive with a function for reading data from an optical disc using a laser beam, the optical disc drive comprising: a photodetector that converts a reflected laser beam from the optical disc into an electrical signal; a signal processing part that processes a signal outputted by the photodetector; and a differential transmission line that performs differential transmission of a signal between the photodetector and the signal processing part, wherein the differential transmission line comprises, at least at one part, a flexible line part that is configured in such a manner as to be capable of changing its shape, each line forming the differential transmission line is divided into a plurality of divisional lines of the same quantity, the quantity being two or more, at or near a connection point between the flexible line and the photodetector, and the plurality of divisional lines are integrated as one line at or near a connection point between the flexible line and the signal processing part.