Title:
METHOD AND APPARATUS FOR MEASURING TIME
Document Type and Number:
WIPO Patent Application WO/2023/061071
Kind Code:
A1
Abstract:
A method and apparatus for measuring time, and a programmable controller for a quantum communication device, wherein the measuring method comprises: receiving a START signal and a STOP signal (110); using the same clock to sample the signals to generate a START bit string corresponding to the START signal and a STOP bit string corresponding to the STOP signal (120); 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 (130); and determining a time interval between the START signal and the STOP signal on the basis of a count of bits between the rising edge of the START signal and the rising edge of the STOP signal and the period of the clock (140).
Inventors:
CHEN LIUPING (CN)
FAN YONGSHENG (CN)
FU RENQING (CN)
ZHANG GUOFENG (CN)
WAN XIANGKUI (CN)
ZHANG JIAN (CN)
FAN YONGSHENG (CN)
FU RENQING (CN)
ZHANG GUOFENG (CN)
WAN XIANGKUI (CN)
ZHANG JIAN (CN)
Application Number:
PCT/CN2022/115684
Publication Date:
April 20, 2023
Filing Date:
August 30, 2022
Export Citation:
Assignee:
QUDOOR TECH INC (CN)
International Classes:
G04F10/00; G01J1/44; H04B10/079; H04B10/70
Foreign References:
| CN113641089A | 2021-11-12 | |||
| CN214756366U | 2021-11-16 | |||
| CN110442012A | 2019-11-12 | |||
| CN102193034A | 2011-09-21 | |||
| CN102141772A | 2011-08-03 | |||
| CN103676622A | 2014-03-26 | |||
| CN104216279A | 2014-12-17 | |||
| CN110609463A | 2019-12-24 | |||
| JP2017063350A | 2017-03-30 |
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