| 摘要 |
The optoelectronic clock timer comprises a reference frequency source, an electric power supply, four toggle flip-flops, 5 OR-NOT optoelectronic circuit, an optoelectronic inverter, seven resistors, three light-emitting diodes, 3AND-NOT optoelectronic circuit, 2AND circuit, two electronic switches, two resistors, a sixty-bit ring counter, each bit being comprised three emitting light-activated silicon switches and three light-emitting diodes for time indication. In each ring counter bit there are five light-emitting diodes for time indication. |
