Patent ID: 6526080
Filing Date: 2003-02-25
Classification: H01S,H04B

Abstract:
A bidirectional light transmitting and receiving device, comprising:at least one first light transceiver including a first light device unit having a first light emitter and a first light receiver both integrally formed on a first substrate, said first light receiver surrounding said first light emitter; at least one second light transceiver spaced apart from said at least one first light transceiver, and including a second light device unit having a second light emitter and a second light receiver both integrally formed on a second substrate, said second light receiver surrounding said second light emitter; said second light receiver being disposed to receive a first optical signal emitted from said first light emitter through a first clear path, and said first light receiver being disposed to receive a second optical signal emitted from said second light emitter through a second clear path; and a single common passageway disposed between said at least one first light transceiver and said at least one second light transceiver to provide said first clear path and said second clear path.