QUDOOR TECHNOLOGIES INC. (20240411273). Method and Apparatus for Measuring Time

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Method and Apparatus for Measuring Time

Organization Name

QUDOOR TECHNOLOGIES INC.

Inventor(s)

Liuping Chen of Beijing (CN)

Yongsheng Fan of Beijing (CN)

Renqing Fu of Beijing (CN)

Guofeng Zhang of Beijing (CN)

Xiangkui Wan of Beijing (CN)

Jian Zhang of Beijing (CN)

Method and Apparatus for Measuring Time

This abstract first appeared for US patent application 20240411273 titled 'Method and Apparatus for Measuring Time



Original Abstract Submitted

a method and apparatus for measuring time, and a programmable controller for a quantum communication device are provided. the method includes: receiving a start signal and a stop signal; sampling the start signal and the stop signal by using a same clock to generate a start bit string corresponding to the start signal and a stop bit string corresponding to the stop signal; extracting a rising edge of the start signal from the start bit string, and extracting a rising edge of the stop signal from the stop bit string; and determining a time interval between the start signal and the stop signal based on a count of bits between the rising edge of the start signal and the rising edge of the stop signal and based on a period of the clock.