On chip CMOS optical element
First Claim
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1. A method of communicating with a microprocessor, comprising:
- providing an optical receiving device and an optical transmitting device on a substrate with a microprocessor;
receiving light indicative of a serial stream of incoming information for said microprocessor;
converting said light to electrical signals in parallel form, and connecting said signals to said microprocessor;
obtaining a result from said microprocessor in parallel form, and converting said result to serial;
using said serial-converted result to drive said optical transmitting device to produce a serial optical stream indicative of said microprocessor result.
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Abstract
CMOS optical receiver and optical transmitters are described. The optical receiver is formed from a CMOS CCD which is modified to immediately output all information indicative of incoming light, i.e., with no transfer gate. The optical transmitter is formed of a modulation window device. Both the optical transmitter and optical receiver are located on-chip with a microprocessor and form the I/O for the microprocessor. Since the modified I/O is serial, a serial to parallel converter, and parallel to serial converter are provided.
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Citations
3 Claims
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1. A method of communicating with a microprocessor, comprising:
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providing an optical receiving device and an optical transmitting device on a substrate with a microprocessor;
receiving light indicative of a serial stream of incoming information for said microprocessor;
converting said light to electrical signals in parallel form, and connecting said signals to said microprocessor;
obtaining a result from said microprocessor in parallel form, and converting said result to serial;
using said serial-converted result to drive said optical transmitting device to produce a serial optical stream indicative of said microprocessor result. - View Dependent Claims (2, 3)
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Specification