Remote time transfer system with epoch pulse专利检索-时钟偏差微电子学专利检索查询-专利查询网

Remote time transfer system with epoch pulse

阅读：269发布：2023-02-03

专利汇可以提供Remote time transfer system with epoch pulse专利检索，专利查询，专利分析的服务。并且A passive method and equipment for synchronizing time systems, atomic or precision clocks, by transferring both time and frequency information. The time and frequency information are transmitted by a master station to remote stations which record the phase difference between the remote station''s clock and that of the master thereby giving a very accurate measure of the time deviation between the station when the transmission delays are removed.，下面是Remote time transfer system with epoch pulse专利的具体信息内容。

权利要求

1. A one way passive time transfer system having at least one master clock and at least one remote clock to be synchronized with said master clock comprising: a master clock having a high frequency stable output signal and a periodic low frequency tick signal; adder means for combining said high frequency signal with said tick signal to produce a modulated signal; means for communicating said modulated signal to at least one of said remote clocks; phase recording means for comparing the phase of said signal communicated to said remote clock with a similar signal produced by said remote clock to indicate the time difference between said remote and master clocks; phase shifter means for shifting the phase of said remote clock to correspond to said master clock.

2. The one way passive time transfer system of claim 1 further including: counter means for detecting the transmission delay time between said master and remote clocks by counting the delay time between said tick signal produced by said remote clock and said tick signal communicated to said remote clock whereby said detected transmission delay time is used for phase shift synchronization when shifting said phase shifter means to synchronize said master and remote clocks.

3. A passive time transfer system having at least one master timing station and at least one remote station to be synchronized with said master timing station; communication means for transmitting synchronizing signals; and providing a transfer standard; means for receiving said synchronizing signals at said remote station and at said master timing station; means for detecting the phase of said received synchronizing signals as compared with the phase of a locally generated reference signal; means for adjusting the phase of said reference signal; clock means coupled to the adjusted phase of said reference signal for providing a time output which is approximately equal to the time of said master timing station.

4. The passive time transfer system of claim 3, wherein; said clock means is coupled to a counter which begins recording the passing time upon receipt of a pulse from said clock; said synchronizing signal being coupled to said counter to stop the counter upon receipt of a synchronizing pulse of said synchronizing signal such that when the remote clock is on time with said master timing station said counter will indicate the exact transmission time delay between said stations.

5. The passive time transfer system of claim 3, wherein each of said stations, master and remote, are coupled to a computer means; said computer means for subtracting out the transmission delay of the synchronizing signal from said communication means for each station and compares the phase data of the master timing station with each remote statioN; thereby allowing each station to know the exact time that that station''s clock should have read upon the receipt of the synchronizing signal.

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Remote time transfer system with epoch pulse

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