CN101986555B - 用于定时模块故障保持的嵌入式自测试的***和方法 - Google Patents
用于定时模块故障保持的嵌入式自测试的***和方法 Download PDFInfo
- Publication number
- CN101986555B CN101986555B CN201010274849.XA CN201010274849A CN101986555B CN 101986555 B CN101986555 B CN 101986555B CN 201010274849 A CN201010274849 A CN 201010274849A CN 101986555 B CN101986555 B CN 101986555B
- Authority
- CN
- China
- Prior art keywords
- oscillator
- mathematical modeling
- time error
- correction signal
- error
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 64
- 238000012360 testing method Methods 0.000 title claims abstract description 20
- 238000012937 correction Methods 0.000 claims abstract description 120
- 238000012549 training Methods 0.000 claims abstract description 39
- 238000013178 mathematical model Methods 0.000 claims abstract description 13
- 230000033228 biological regulation Effects 0.000 claims description 26
- 230000006870 function Effects 0.000 claims description 16
- 230000032683 aging Effects 0.000 claims description 9
- 238000005070 sampling Methods 0.000 claims description 9
- 230000010354 integration Effects 0.000 claims description 8
- 239000013078 crystal Substances 0.000 claims description 7
- 230000000306 recurrent effect Effects 0.000 claims description 4
- 230000009131 signaling function Effects 0.000 claims description 4
- 238000007689 inspection Methods 0.000 description 22
- 238000012423 maintenance Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 10
- 230000014759 maintenance of location Effects 0.000 description 6
- 230000007257 malfunction Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 230000007704 transition Effects 0.000 description 5
- 238000009825 accumulation Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012887 quadratic function Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000474 nursing effect Effects 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 229910052701 rubidium Inorganic materials 0.000 description 1
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
- H04L7/02—Speed or phase control by the received code signals, the signals containing no special synchronisation information
- H04L7/033—Speed or phase control by the received code signals, the signals containing no special synchronisation information using the transitions of the received signal to control the phase of the synchronising-signal-generating means, e.g. using a phase-locked loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
- H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
- H03L1/022—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature
- H03L1/026—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only by indirect stabilisation, i.e. by generating an electrical correction signal which is a function of the temperature by using a memory for digitally storing correction values
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L1/00—Stabilisation of generator output against variations of physical values, e.g. power supply
- H03L1/02—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only
- H03L1/028—Stabilisation of generator output against variations of physical values, e.g. power supply against variations of temperature only of generators comprising piezoelectric resonators
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/0805—Details of the phase-locked loop the loop being adapted to provide an additional control signal for use outside the loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/14—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted
- H03L7/146—Details of the phase-locked loop for assuring constant frequency when supply or correction voltages fail or are interrupted by using digital means for generating the oscillator control signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0685—Clock or time synchronisation in a node; Intranode synchronisation
- H04J3/0688—Change of the master or reference, e.g. take-over or failure of the master
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L7/00—Arrangements for synchronising receiver with transmitter
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Tests Of Electronic Circuits (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Abstract
Description
Claims (20)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/497,980 US7915962B2 (en) | 2009-07-06 | 2009-07-06 | System and method for built in self test for timing module holdover |
US12/497980 | 2009-07-06 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN101986555A CN101986555A (zh) | 2011-03-16 |
CN101986555B true CN101986555B (zh) | 2015-05-13 |
Family
ID=42732048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201010274849.XA Active CN101986555B (zh) | 2009-07-06 | 2010-07-06 | 用于定时模块故障保持的嵌入式自测试的***和方法 |
Country Status (5)
Country | Link |
---|---|
US (3) | US7915962B2 (zh) |
EP (2) | EP2280485B1 (zh) |
JP (1) | JP5681399B2 (zh) |
KR (1) | KR101668491B1 (zh) |
CN (1) | CN101986555B (zh) |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8125279B2 (en) | 2009-06-19 | 2012-02-28 | Rockstar Bidco, LP | System and method for reducing holdover duration |
US8120432B2 (en) | 2009-06-19 | 2012-02-21 | Rockstar Bidco, LP | System and method for selecting optimum local oscillator discipline source |
US7915962B2 (en) * | 2009-07-06 | 2011-03-29 | Nortel Networks Limited | System and method for built in self test for timing module holdover |
US8644438B2 (en) * | 2010-01-30 | 2014-02-04 | Robert Welland | Method and apparatus for providing a synthetic system |
JP5633866B2 (ja) * | 2011-01-21 | 2014-12-03 | 日本電気株式会社 | 基準信号発生装置および基準信号発生方法 |
JP5845340B2 (ja) | 2011-05-20 | 2016-01-20 | アップル インコーポレイテッド | ハイブリッドネットワーク動作における優先度に基づくタスクスケジューリングのための装置及び方法 |
KR101556840B1 (ko) * | 2011-05-20 | 2015-10-01 | 애플 인크. | 하이브리드 네트워크 환경에서 스케줄링된 동작들을 최적화하는 장치 및 방법 |
EP2555431B1 (en) * | 2011-08-03 | 2018-02-28 | BlackBerry Limited | Electronic device including predicted frequency error estimation of a voltage controlled oscillator and related methods |
US8710938B2 (en) | 2011-08-03 | 2014-04-29 | Blackberry Limited | Electronic device including predicted frequency error estimation of a voltage controlled oscillator and related methods |
US9590411B2 (en) | 2011-12-15 | 2017-03-07 | Schweitzer Engineering Laboratories, Inc. | Systems and methods for time synchronization of IEDs via radio link |
US9709680B2 (en) | 2012-09-08 | 2017-07-18 | Schweitzer Engineering Laboratories, Inc. | Quality of precision time sources |
US9599719B2 (en) | 2012-10-19 | 2017-03-21 | Schweitzer Engineering Laboratories, Inc. | Detection of manipulated satellite time signals |
AU2013331191A1 (en) | 2012-10-19 | 2015-04-09 | Schweitzer Engineering Laboratories, Inc. | Time distribution device with multi-band antenna |
US9400330B2 (en) | 2012-10-19 | 2016-07-26 | Schweitzer Engineering Laboratories, Inc. | Manipulation resilient time distribution network |
MX2015004131A (es) | 2012-10-19 | 2015-07-06 | Schweitzer Engineering Lab Inc | Conmutador de distribucion de tiempo. |
US9759816B2 (en) | 2013-01-11 | 2017-09-12 | Schweitzer Engineering Laboratories, Inc. | Multi-constellation GNSS integrity check for detection of time signal manipulation |
US9709682B2 (en) | 2013-05-06 | 2017-07-18 | Schweitzer Engineering Laboratories, Inc. | Multi-constellation GNSS integrity check for detection of time signal manipulation |
JP2014191808A (ja) * | 2013-03-28 | 2014-10-06 | Nippon Dempa Kogyo Co Ltd | 温度制御装置 |
US9541649B2 (en) | 2013-05-02 | 2017-01-10 | The Mitre Corporation | Detecting timing anomalies |
FR3005761B1 (fr) * | 2013-05-15 | 2015-06-05 | Sagemcom Broadband Sas | Dispositif et procede de recalage d'une frequence d'oscillation d'un oscillateur vctcxo |
DE102013106172A1 (de) * | 2013-06-13 | 2014-12-18 | Endress + Hauser Gmbh + Co. Kg | Verfahren zur Kalibration oder zum Abgleich einer beliebigen schwingfähigen Einheit |
US9319100B2 (en) | 2013-08-12 | 2016-04-19 | Schweitzer Engineering Laboratories, Inc. | Delay compensation for variable cable length |
US9270442B2 (en) | 2014-04-29 | 2016-02-23 | Schweitzer Engineering Laboratories, Inc. | Time signal propagation delay correction |
US9425652B2 (en) * | 2014-06-16 | 2016-08-23 | Schweitzer Engineering Laboratories, Inc. | Adaptive holdover timing error estimation and correction |
US9813173B2 (en) | 2014-10-06 | 2017-11-07 | Schweitzer Engineering Laboratories, Inc. | Time signal verification and distribution |
US10729419B2 (en) * | 2014-10-23 | 2020-08-04 | Medos International Sarl | Biceps tenodesis implants and delivery tools |
US10375108B2 (en) | 2015-12-30 | 2019-08-06 | Schweitzer Engineering Laboratories, Inc. | Time signal manipulation and spoofing detection based on a latency of a communication system |
JP6756172B2 (ja) * | 2016-01-06 | 2020-09-16 | セイコーエプソン株式会社 | 回路装置、発振器、電子機器及び移動体 |
JP6753181B2 (ja) * | 2016-01-06 | 2020-09-09 | セイコーエプソン株式会社 | 回路装置、発振器、電子機器及び移動体 |
CN107024915B (zh) * | 2016-02-02 | 2019-10-01 | 同济大学 | 一种电网控制器板卡故障检测***及检测方法 |
US10527732B2 (en) | 2017-02-09 | 2020-01-07 | Schweitzer Engineering Laboratories, Inc. | Verification of time sources |
JP6894740B2 (ja) * | 2017-03-29 | 2021-06-30 | シチズン時計株式会社 | 歩度補正システム及び携帯端末 |
CN109661027B (zh) * | 2017-10-10 | 2020-10-16 | 大唐移动通信设备有限公司 | 一种网络设备工作状态确定方法及装置 |
CN107994968B (zh) * | 2017-12-21 | 2019-09-06 | 北京无线电计量测试研究所 | 使用高精度同步以太网频率驯服本地低精度频率源的方法 |
US11630424B2 (en) | 2018-07-13 | 2023-04-18 | Schweitzer Engineering Laboratories, Inc. | Time signal manipulation detection using remotely managed time |
US10819727B2 (en) | 2018-10-15 | 2020-10-27 | Schweitzer Engineering Laboratories, Inc. | Detecting and deterring network attacks |
US10912104B2 (en) | 2019-02-01 | 2021-02-02 | Schweitzer Engineering Laboratories, Inc. | Interleaved, static time division multiple access (TDMA) for minimizing power usage in delay-sensitive applications |
CN110212863B (zh) * | 2019-05-31 | 2024-02-13 | Oppo广东移动通信有限公司 | 校准晶体振荡器的方法、装置、电子设备及存储介质 |
GB2596277B (en) * | 2020-05-28 | 2022-06-15 | Nordic Semiconductor Asa | Radio device with resonator |
US11994597B2 (en) | 2021-01-09 | 2024-05-28 | Honeywell International Inc. | Systems and methods using chip-scale atomic clock to detect spoofed GNSS |
US11994596B2 (en) | 2021-01-09 | 2024-05-28 | Honeywell International Inc. | Systems and methods using chip-scale atomic clock to detect spoofed GNSS |
CN115356532B (zh) * | 2022-08-26 | 2024-07-09 | 北京自动化控制设备研究所 | 微处理器多路测频***及其测频方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4582434A (en) * | 1984-04-23 | 1986-04-15 | Heath Company | Time corrected, continuously updated clock |
CN1293494A (zh) * | 1999-10-19 | 2001-05-02 | 财团法人工业技术研究院 | 扩频通讯***的码跟踪***及方法 |
CN1531296A (zh) * | 2003-03-12 | 2004-09-22 | 日本电气株式会社 | 频率校正方法和用于校正长期变化的装置 |
CN101079687A (zh) * | 2006-05-25 | 2007-11-28 | 上海欣泰通信技术有限公司 | 一种基于最小二乘法模型的时钟调整算法 |
US7424069B1 (en) * | 2004-08-19 | 2008-09-09 | Nortel Networks Limited | Reference timing signal apparatus and method |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4864403A (en) * | 1988-02-08 | 1989-09-05 | Rca Licensing Corporation | Adaptive television ghost cancellation system including filter circuitry with non-integer sample delay |
DE19531967C2 (de) * | 1995-08-30 | 1997-09-11 | Siemens Ag | Verfahren zum Training eines neuronalen Netzes mit dem nicht deterministischen Verhalten eines technischen Systems |
JPH11271476A (ja) * | 1998-01-22 | 1999-10-08 | Advantest Corp | 基準周波数発生装置 |
US6307896B1 (en) * | 1998-04-03 | 2001-10-23 | Tektronix, Inc. | Instrumentation receiver for digitally modulated radio frequency signals |
US6259328B1 (en) * | 1999-12-17 | 2001-07-10 | Network Equipment Technologies, Inc. | Method and system for managing reference signals for network clock synchronization |
US20010053176A1 (en) * | 2000-03-31 | 2001-12-20 | Fry Terry L. | Method and apparatus for characterizing and adjusting a crystal oscillator for use in a spread spectrum, frequency hopping transceiver |
US6417801B1 (en) * | 2000-11-17 | 2002-07-09 | Global Locate, Inc. | Method and apparatus for time-free processing of GPS signals |
US6472943B1 (en) * | 2000-12-21 | 2002-10-29 | Telefonaktie Bolaget L.M. Ericsson | Oscillating circuit and method for calibrating same |
US6711230B1 (en) * | 2002-09-27 | 2004-03-23 | Nortel Networks Limited | Reference timing signal oscillator with frequency stability |
US7146146B2 (en) * | 2003-01-31 | 2006-12-05 | Ditrans Ip, Inc. | Systems and methods for coherent adaptive calibration in a receiver |
GB0323936D0 (en) * | 2003-10-11 | 2003-11-12 | Zarlink Semiconductor Inc | Digital phase locked loop with selectable normal or fast-locking capability |
US7015762B1 (en) * | 2004-08-19 | 2006-03-21 | Nortel Networks Limited | Reference timing signal apparatus and method |
US7135933B2 (en) * | 2004-09-29 | 2006-11-14 | Intelliserv, Inc. | System for adjusting frequency of electrical output pulses derived from an oscillator |
JP2006121171A (ja) * | 2004-10-19 | 2006-05-11 | Matsushita Electric Ind Co Ltd | 周波数補正機能付きクロック供給装置 |
US7545228B1 (en) * | 2007-09-12 | 2009-06-09 | Sitime Inc. | Dynamic temperature compensation for a digitally controlled oscillator using dual MEMS resonators |
US7692499B2 (en) * | 2007-12-31 | 2010-04-06 | Integrated Device Technology, Inc. | Digitally compensated highly stable holdover clock generation techniques using adaptive filtering |
US7764131B1 (en) * | 2008-09-23 | 2010-07-27 | Silicon Labs Sc, Inc. | Precision, temperature stable clock using a frequency-control circuit and dual oscillators |
US8125279B2 (en) * | 2009-06-19 | 2012-02-28 | Rockstar Bidco, LP | System and method for reducing holdover duration |
US8120432B2 (en) * | 2009-06-19 | 2012-02-21 | Rockstar Bidco, LP | System and method for selecting optimum local oscillator discipline source |
US7915962B2 (en) * | 2009-07-06 | 2011-03-29 | Nortel Networks Limited | System and method for built in self test for timing module holdover |
-
2009
- 2009-07-06 US US12/497,980 patent/US7915962B2/en active Active
-
2010
- 2010-07-06 CN CN201010274849.XA patent/CN101986555B/zh active Active
- 2010-07-06 EP EP10168545A patent/EP2280485B1/en active Active
- 2010-07-06 EP EP12199359.6A patent/EP2579462B1/en active Active
- 2010-07-06 JP JP2010154195A patent/JP5681399B2/ja active Active
- 2010-07-06 KR KR1020100065101A patent/KR101668491B1/ko active IP Right Grant
-
2011
- 2011-03-25 US US13/072,285 patent/US8884706B2/en active Active
-
2012
- 2012-09-14 US US13/618,387 patent/US8847690B2/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4582434A (en) * | 1984-04-23 | 1986-04-15 | Heath Company | Time corrected, continuously updated clock |
CN1293494A (zh) * | 1999-10-19 | 2001-05-02 | 财团法人工业技术研究院 | 扩频通讯***的码跟踪***及方法 |
CN1531296A (zh) * | 2003-03-12 | 2004-09-22 | 日本电气株式会社 | 频率校正方法和用于校正长期变化的装置 |
US7424069B1 (en) * | 2004-08-19 | 2008-09-09 | Nortel Networks Limited | Reference timing signal apparatus and method |
CN101079687A (zh) * | 2006-05-25 | 2007-11-28 | 上海欣泰通信技术有限公司 | 一种基于最小二乘法模型的时钟调整算法 |
Non-Patent Citations (1)
Title |
---|
BRUCE M. PENROD.ADAPTIVE TEMPERATURE COMPENSATION OF GPS DISCIPLINED QUARTZ AND RUBIDIUM OSCILLATION.《1996 IEEE INTERNATIONAL FREQUENCY CONTROL SYMPOSIUM》.1996, * |
Also Published As
Publication number | Publication date |
---|---|
US20110169577A1 (en) | 2011-07-14 |
EP2280485A1 (en) | 2011-02-02 |
KR20110004331A (ko) | 2011-01-13 |
US20110001567A1 (en) | 2011-01-06 |
US8884706B2 (en) | 2014-11-11 |
EP2579462B1 (en) | 2018-09-26 |
US20130046497A1 (en) | 2013-02-21 |
US8847690B2 (en) | 2014-09-30 |
EP2579462A3 (en) | 2013-07-10 |
EP2579462A2 (en) | 2013-04-10 |
EP2280485B1 (en) | 2013-02-13 |
JP5681399B2 (ja) | 2015-03-04 |
JP2011024207A (ja) | 2011-02-03 |
CN101986555A (zh) | 2011-03-16 |
KR101668491B1 (ko) | 2016-10-28 |
US7915962B2 (en) | 2011-03-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN101986555B (zh) | 用于定时模块故障保持的嵌入式自测试的***和方法 | |
CN109299496B (zh) | 一种高精度同步时钟产生方法 | |
CN104796142B (zh) | 多级/多阈值/多持久性的gps/gnss原子钟监控 | |
CN107026702A (zh) | 高精度守时方法和装置 | |
EP2169417B1 (en) | Method and device method for detecting frequency jumps of a navigation satellite's master clock | |
US8473790B2 (en) | Method for correcting prediction errors of signal values with time variation subjected to interference by various uncontrollable systematic effects | |
CN109100927B (zh) | 无溯源参考条件下时间统一***时间自主同步方法 | |
US20150180480A1 (en) | Method and apparatus for compensating a frequency generator such as an oscillator for frequency inaccuracies | |
CN112969229B (zh) | 一种时钟校正方法、装置以及网络设备 | |
CN116980065B (zh) | 时钟校准方法、装置、终端设备及存储介质 | |
CN115639743B (zh) | 一种基于整网时间比对的天基时间基准建立方法及*** | |
KR20030095124A (ko) | Gps 기반의 정밀 동기클록장치를 이용한 전력계통선로정수 측정장치 및 방법 | |
CN114371489B (zh) | 基于星钟参数线性预测的北斗三号星间链路快速恢复方法 | |
Asadzadeh et al. | A two stage optimization approach for calibrating water distribution systems | |
Koval et al. | Multichannel clock signal monitoring system for infocommunication networks | |
Amelot et al. | Towards timely intelligence in the power grid | |
CN114815571B (zh) | 一种星地时差的测量方法、***、存储介质和电子设备 | |
US20240210899A1 (en) | Synchronization with multiple time sources | |
CN115865251A (zh) | 一种时间校准方法、***、装置、设备及介质 | |
JP2009060315A (ja) | 遠隔時計の位相誤差軽減方法及び装置 | |
WO2017081634A1 (en) | Method and apparatus for a resilient signaling of time | |
KR20230121450A (ko) | 배전 선로 상 계측 및 정정 시스템 | |
PER | P AD-A062 797 NAlAl RESEARCH LAB WASHINGTON OC F/0 Me' | |
CN116782291A (zh) | 一种用于抽取数据的方法及*** | |
CN117880953A (zh) | 一种电力时间同步装置授时精度的远程监测方法及*** |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
ASS | Succession or assignment of patent right |
Owner name: YANXING BIDEKE CO., LTD. Free format text: FORMER OWNER: NORTEL NETWORKS LTD (CA) Effective date: 20130108 Owner name: RESEARCH IN MOTION LTD. Free format text: FORMER OWNER: 2256355 ONTARIO LIMITED Effective date: 20130108 Owner name: 2256355 ONTARIO LIMITED Free format text: FORMER OWNER: YANXING BIDEKE CO., LTD. Effective date: 20130108 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20130108 Address after: Voight, Ontario, Canada Applicant after: RESEARCH IN MOTION Ltd. Address before: Ontario Applicant before: 2256355 Ontario Limited Effective date of registration: 20130108 Address after: Ontario Applicant after: 2256355 Ontario Limited Address before: American New York Applicant before: NORTEL NETWORKS LTD. Effective date of registration: 20130108 Address after: American New York Applicant after: NORTEL NETWORKS LTD. Address before: Quebec Applicant before: NORTEL NETWORKS Ltd. |
|
C53 | Correction of patent of invention or patent application | ||
CB02 | Change of applicant information |
Address after: Voight, Ontario, Canada Applicant after: BlackBerry Ltd. Address before: Voight, Ontario, Canada Applicant before: Research In Motion Ltd. |
|
COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: RESEARCH IN MOTION LTD. TO: BLACKBERRY LTD. |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240605 Address after: Ai Erlandubailin Patentee after: Maliki Innovation Co.,Ltd. Country or region after: Ireland Address before: Voight, Ontario, Canada Patentee before: BlackBerry Ltd. Country or region before: Canada |
|
TR01 | Transfer of patent right |