Connector and cable having transducer and receiver for optical transmission

Claim 1

An optical fiber connector and cable comprising: an optical fiber cable for transferring data in the form of optical signals; a first connector having a first transceiver for controlling data transmission and reception, the first connector connected to a first end of the optical fiber cable; and a second connector having a second transceiver for controlling data transmission and reception, the second connector connected to a second end of the optical fiber cable, wherein the first connector is adapted to contact a first coaxial cable connector which is connected to a first interface unit, and the second connector is adapted to contact a second coaxial cable connector which is connected to a second interface unit, and wherein the first and second transceivers each convert an electrical signal received via the respective first or second coaxial cable connectors into an optical signal that is provided to the optical fiber cable and convert the optical signal that is received on the optical fiber cable to a digital electrical signal that is provided to the respective first or second coaxial cable connector, wherein each of the first and second connectors comprises: a connector insertion portion which is inserted into the coaxial cable connector connected to the first or second interface unit; a coaxial cable having a first end connected to the connector insertion portion; and a transceiver connected between a second end of the coaxial cable and the optical fiber cable, for converting an electrical signal into an optical signal and transmitting the optical signal via the optical fiber cable, and for converting an optical signal received via the optical fiber cable into the digital electrical signal and transmitting the electrical signal via the coaxial cable wherein the transceiver comprises: at least one light emitting element for converting an electrical signal to be transmitted into an optical signal; at least one light receiving element for converting an optical signal received via the optical fiber sable into an electrical signal; and a transceiving chip for controlling the conversion of an electrical signal to be transmitted or received to or from the first and second interface units, into an optical signal suitable for optical transmission, and for generating a driving signal for driving the light emitting element and the light receiving element; and, wherein the transceiving chip comprises: a light receiving element detection unit for detecting the intensity of an optical signal which is applied to the light receiving element, and for generating a current corresponding to the detected intensity; a duty/level shifter for converting the duty of the current generated by the light receiving element detection unit to a voltage level; a high-speed comparator for converting the level of the output signal of the duty/level shifter on the basis of a predetermined common) signal level, and outputting the converted result via the coaxial cable; a level/duty converter for shifting the output level of a signal received via the coaxial cable into a corresponding duty; a data latch/serialization circuit for latching the output of the level/duty converter and converting the latched result into serial data; and a light emitting element driving unit for receiving the output of the data latch/serialization circuit and generating a driving signal for driving the light omitting element.