Patent ID: 8705909

Claim:
An optical interconnect device, comprising: a first printed wiring board; a second printed wiring board facing the first printed wiring board; a light-emitting device positioned on the first printed wiring board and electrically connected to the first printed wiring board; a light-receiving device positioned on the second printed wiring board and electrically connected to the second printed wiring board such that the light-receiving device faces the light-emitting device and is configured to receive an optical signal transmitted in a direct line from the light-emitting device; an electrical-connection device mounted on the first printed wiring board and the second printed wiring board such that the first printed wiring board is electrically connected to the second printed wiring board; and a control circuit configured to switch a high-speed data signal to an optical transmission and a low-speed data signal to an electrical transmission, wherein the optical transmission is carried out by the light-emitting device and the light receiving device, and the electrical transmission is carried out by the electrical connection device.