Korea Advanced Institute of Science and Technology

Kaist

Min Hyuk Lee

Seong Woon Kim

Hyo Hoon Park

Tae Woo Lee

Mu Hee Cho

Dong Min Im

An optical input/output (I/O) bus system for connecting a plurality of external devices with a central processing unit (CPU) or memory in a specific system using an optical signal is provided. The optical I/O bus system includes a serializer and deserializer (SerDes) connected with the CPU or memory, and configured to divide a serial electrical signal into parallel electrical signals or combine parallel electrical signals into a serial electrical signal, a photoelectric converter prepared between the SerDes and the external devices, and configured to convert the serial/parallel electrical signals into an optical signal or an optical signal into an electrical signal, a plurality of optical transmission means disposed in parallel to transfer the optical signal converted by the photoelectric converter, an optical switch prepared between the photoelectric converter and the optical transmission means, and configured to switch to one of the optical transmission means to transfer the optical signal converted by the photoelectric converter to the optical transmission means according to an address of the optical signal, and a plurality of optical slots connected to the respective optical transmission means to connect the external devices so that the optical signal is input/output. In the optical I/O bus system, a high-capacity signal can be transferred without distortion, interference, and bottleneck using optical connection technology.

Optical I/O bus system

A USB compatible apparatus for connecting an optical universal serial bus (USB) (or an optical serial bus; OSB) device and an electrical USB device, and a structure of the apparatus are provided. More particularly, a USB compatible apparatus for guaranteeing a connection between an optical USB device for inputting/outputting an optical signal and an electrical USB device for inputting/outputting an electrical signal, for example, signal transmission and reception between an electrical USB device (e.g., an electrical USB memory) and an optical USB device (e.g., a computer) having an optical USB port, and a structure of the USB compatible apparatus (a first exemplary embodiment), and a USB compatible apparatus for guaranteeing signal transmission and reception between an optical USB device (e.g., an optical USB memory) and an electrical USB device (e.g., a portable telephone) having an electrical USB port, and a structure of the USB compatible apparatus (a second exemplary embodiment) are provided.

USB compatible apparatus for connecting between optical USB device and electrical USB device

Growing community of inventors

Kimhae-si, South Korea

Min Hyuk Lee