IN2015DN00593A - - Google Patents
Info
- Publication number
- IN2015DN00593A IN2015DN00593A IN593DEN2015A IN2015DN00593A IN 2015DN00593 A IN2015DN00593 A IN 2015DN00593A IN 593DEN2015 A IN593DEN2015 A IN 593DEN2015A IN 2015DN00593 A IN2015DN00593 A IN 2015DN00593A
- Authority
- IN
- India
- Prior art keywords
- clock
- method further
- frequencies
- secondary clocks
- reference clock
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G7/00—Synchronisation
-
- 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
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
- H04J3/0641—Change of the master or reference, e.g. take-over or failure of the master
-
- G—PHYSICS
- G04—HOROLOGY
- G04R—RADIO-CONTROLLED TIME-PIECES
- G04R40/00—Correcting the clock frequency
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Electric Clocks (AREA)
- Synchronisation In Digital Transmission Systems (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261666101P | 2012-06-29 | 2012-06-29 | |
PCT/US2013/048566 WO2014005016A1 (en) | 2012-06-29 | 2013-06-28 | System for maintaining accurate ideal clock time |
Publications (1)
Publication Number | Publication Date |
---|---|
IN2015DN00593A true IN2015DN00593A (de) | 2015-06-26 |
Family
ID=49778030
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IN593DEN2015 IN2015DN00593A (de) | 2012-06-29 | 2013-06-28 |
Country Status (5)
Country | Link |
---|---|
US (2) | US9348321B2 (de) |
EP (2) | EP3282340A1 (de) |
CA (1) | CA2877720C (de) |
IN (1) | IN2015DN00593A (de) |
WO (1) | WO2014005016A1 (de) |
Families Citing this family (51)
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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 |
MX2015004131A (es) | 2012-10-19 | 2015-07-06 | Schweitzer Engineering Lab Inc | Conmutador de distribucion de tiempo. |
US9400330B2 (en) | 2012-10-19 | 2016-07-26 | Schweitzer Engineering Laboratories, Inc. | Manipulation resilient time distribution network |
US9078050B2 (en) * | 2012-12-28 | 2015-07-07 | Elster Solutions, Llc | Techniques for clock recovery in a mobile information collection network following a power outage |
US9709682B2 (en) | 2013-05-06 | 2017-07-18 | Schweitzer Engineering Laboratories, Inc. | Multi-constellation GNSS integrity check for detection of time signal manipulation |
US9759816B2 (en) | 2013-01-11 | 2017-09-12 | Schweitzer Engineering Laboratories, Inc. | Multi-constellation GNSS integrity check for detection of time signal manipulation |
US9490910B2 (en) | 2013-03-15 | 2016-11-08 | Fairfield Industries Incorporated | High-bandwidth underwater data communication system |
US9490911B2 (en) | 2013-03-15 | 2016-11-08 | Fairfield Industries Incorporated | High-bandwidth underwater data communication system |
US9083503B2 (en) | 2013-05-02 | 2015-07-14 | Schweitzer Engineering Laboratories, Inc. | Synchronized clock event report |
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US20150103818A1 (en) * | 2013-10-11 | 2015-04-16 | Qualcomm Incorporated | Transport and error compensation of a globally synchronized time-base |
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US9270442B2 (en) | 2014-04-29 | 2016-02-23 | Schweitzer Engineering Laboratories, Inc. | Time signal propagation delay correction |
US20150316286A1 (en) * | 2014-04-30 | 2015-11-05 | Carrier Corporation | System and method of operating an hvac controller based on a third party calendar event |
US9425652B2 (en) | 2014-06-16 | 2016-08-23 | Schweitzer Engineering Laboratories, Inc. | Adaptive holdover timing error estimation and correction |
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US11157998B2 (en) * | 2014-08-04 | 2021-10-26 | Renaissance Technologies Llc | System and method for executing synchronized trades in multiple exchanges |
US9813173B2 (en) | 2014-10-06 | 2017-11-07 | Schweitzer Engineering Laboratories, Inc. | Time signal verification and distribution |
US20160197669A1 (en) | 2014-12-11 | 2016-07-07 | Tesla Wireless Company LLC | Communication method and system that uses low latency/low data bandwidth and high latency/high data bandwidth pathways |
US11487871B2 (en) * | 2015-01-31 | 2022-11-01 | San Diego Gas & Electric Company | Methods and systems for detecting and defending against invalid time signals |
US10310091B2 (en) * | 2015-01-31 | 2019-06-04 | Southwest Research Institute | GPS-based time stamp system |
US9851449B2 (en) * | 2015-08-28 | 2017-12-26 | Verizon Patent And Licensing Inc. | Robust position determination in communication systems |
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 |
RU2623718C1 (ru) * | 2016-04-11 | 2017-06-28 | Акционерное общество "Институт прикладной астрономии" | Модем сигналов передачи времени по дуплексному каналу спутниковой связи |
US10488537B2 (en) | 2016-06-30 | 2019-11-26 | Magseis Ff Llc | Seismic surveys with optical communication links |
JP6772700B2 (ja) * | 2016-09-15 | 2020-10-21 | カシオ計算機株式会社 | 測位装置、電子時計、測位制御方法、及びプログラム |
US10509434B1 (en) * | 2016-09-27 | 2019-12-17 | Amazon Technologies, Inc. | Oscillator profiling for time synchronization |
US10396922B2 (en) * | 2017-02-07 | 2019-08-27 | Texas Instruments Incorporated | Apparatus and mechanism to support multiple time domains in a single soc for time sensitive network |
US10527732B2 (en) | 2017-02-09 | 2020-01-07 | Schweitzer Engineering Laboratories, Inc. | Verification of time sources |
EP3701663A4 (de) * | 2017-10-24 | 2021-07-28 | Skywave Networks LLC | Taktsynchronisierung beim umschalten zwischen rundfunk- und datenübertragungsmodus |
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 |
US11287532B2 (en) * | 2018-11-13 | 2022-03-29 | Topcon Positioning Systems, Inc. | GNSS receiver with synchronization to external timescale |
CN111258209A (zh) * | 2018-12-25 | 2020-06-09 | 维沃移动通信有限公司 | 一种时间信息的获取方法、发送方法、终端和网络设备 |
EP3677984B1 (de) | 2019-01-07 | 2022-08-10 | ADVA Optical Networking SE | Verfahren zur zeitbereitstellung in einem computersystem und system dafür |
CN109696822B (zh) * | 2019-01-17 | 2021-01-01 | 西安电子科技大学 | 一种时间信号切换***及切换方法 |
GB201900789D0 (en) * | 2019-01-21 | 2019-03-06 | Hoptroff London Ltd | Method for testing time distribution |
WO2020154840A1 (en) * | 2019-01-28 | 2020-08-06 | Telefonaktiebolaget Lm Ericsson (Publ) | Clock distribution method and apparatus in network |
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 |
WO2020236164A1 (en) | 2019-05-22 | 2020-11-26 | Vit Tall Llc | Multi-clock synchronization in power grids |
CN110708060B (zh) * | 2019-08-26 | 2023-04-14 | 西安空间无线电技术研究所 | 一种优化c场电流降低铷钟温度敏感性的方法 |
US11119531B2 (en) | 2019-12-06 | 2021-09-14 | Oracle International Corporation | Parallel pseudo infinite monotonic timeline clock |
CN112748655B (zh) * | 2020-12-16 | 2022-04-19 | 北京无线电计量测试研究所 | 具有减振功能的宽温范围铷钟快速温控装置及使用方法 |
US11994596B2 (en) | 2021-01-09 | 2024-05-28 | Honeywell International Inc. | Systems and methods using chip-scale atomic clock to detect spoofed GNSS |
US11994597B2 (en) | 2021-01-09 | 2024-05-28 | Honeywell International Inc. | Systems and methods using chip-scale atomic clock to detect spoofed GNSS |
CN115639743B (zh) * | 2022-10-19 | 2023-05-30 | 中国科学院国家授时中心 | 一种基于整网时间比对的天基时间基准建立方法及*** |
CN115981135B (zh) * | 2023-03-17 | 2023-06-06 | 深圳市天辰防务通信技术有限公司 | 军用车载时统设备及其控制方法和时统处理板 |
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US4476445A (en) * | 1982-05-18 | 1984-10-09 | Eg&G, Inc. | Methods and apparatus for rapid and accurate frequency syntonization of an atomic clock |
US4899117A (en) * | 1987-12-24 | 1990-02-06 | The United States Of America As Represented By The Secretary Of The Army | High accuracy frequency standard and clock system |
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US5689688A (en) * | 1993-11-16 | 1997-11-18 | International Business Machines Corporation | Probabilistic anonymous clock synchronization method and apparatus for synchronizing a local time scale with a reference time scale |
US5666330A (en) * | 1994-07-21 | 1997-09-09 | Telecom Solutions, Inc. | Disciplined time scale generator for primary reference clocks |
US6115825A (en) * | 1998-09-11 | 2000-09-05 | Nortel Networks Corporation | Method for synchronization distribution in a communications network |
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US20020186619A1 (en) * | 2001-05-07 | 2002-12-12 | Reeves Michael H. | Apparatus, system and method for synchronizing a clock with a master time service |
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CA2757376A1 (en) | 2009-04-03 | 2010-10-07 | Schweitzer Engineering Laboratories, Inc. | Fault tolerant time synchronization |
US8120432B2 (en) * | 2009-06-19 | 2012-02-21 | Rockstar Bidco, LP | System and method for selecting optimum local oscillator discipline source |
US8446896B2 (en) * | 2010-04-21 | 2013-05-21 | Lsi Corporation | Time synchronization using packet-layer and physical-layer protocols |
US20120020191A1 (en) * | 2010-06-17 | 2012-01-26 | Ilan Shemesh | Wireless Clock System |
-
2013
- 2013-06-28 CA CA2877720A patent/CA2877720C/en active Active
- 2013-06-28 WO PCT/US2013/048566 patent/WO2014005016A1/en active Application Filing
- 2013-06-28 EP EP17001444.3A patent/EP3282340A1/de not_active Withdrawn
- 2013-06-28 IN IN593DEN2015 patent/IN2015DN00593A/en unknown
- 2013-06-28 EP EP13810228.0A patent/EP2867740B1/de active Active
- 2013-06-28 US US13/931,149 patent/US9348321B2/en active Active - Reinstated
-
2016
- 2016-04-28 US US15/140,784 patent/US9671761B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP2867740A1 (de) | 2015-05-06 |
US9348321B2 (en) | 2016-05-24 |
EP2867740A4 (de) | 2016-05-25 |
US20160238999A1 (en) | 2016-08-18 |
WO2014005016A1 (en) | 2014-01-03 |
CA2877720C (en) | 2020-09-01 |
EP3282340A1 (de) | 2018-02-14 |
EP2867740B1 (de) | 2017-08-30 |
CA2877720A1 (en) | 2014-01-03 |
US9671761B2 (en) | 2017-06-06 |
US20140003199A1 (en) | 2014-01-02 |
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