| Patents for G04C 13 - Driving mechanisms for clocks by master clocks (402) |
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| 03/03/2015 | US8971154 Synchronization of system time in electronic device |
| 02/24/2015 | US8964510 Systems and methods for signal acquisition using predicted environmental context |
| 02/03/2015 | US8947638 Actuation system and lithographic apparatus |
| 11/25/2014 | US8897097 Satellite signal receiving device, satellite signal receiving method, and electronic device |
| 11/11/2014 | US8884481 Stator for bicycle generator hub |
| 03/26/2014 | CN103676615A Design method of regional clock movement |
| 03/26/2014 | CN103676614A Control design method of regional clock movement |
| 02/06/2014 | WO2014021912A1 Three phase synchronous reluctance motor with constant air gap and recovery of inductive field energy |
| 01/14/2014 | US8630151 Radio-synchronous signal receiver for adjusting a time base, and method for activating the receiver |
| 08/20/2013 | US8514665 Time information acquiring apparatus and radio-controlled timepiece |
| 05/14/2013 | US8441705 Rotary construction laser with stepper motor |
| 04/17/2013 | CN102323737B Control design method of regional clock cassette mechanism |
| 03/21/2013 | DE102009051804B4 Verfahren zur Steuerung eines Uhrensystems und Hauptuhr eines Uhrensystems Method for controlling a clock system master clock and a clock system |
| 03/19/2013 | US8402302 Timer system for maintaining the accuracy of a real time clock when synchronization source is not available |
| 03/12/2013 | US8395969 Virtual real-time clock based on time information from multiple communication systems |
| 11/21/2012 | CN202548554U Master and backup turret clock travel time system |
| 10/03/2012 | CN202472266U High-reliability master clock control system of turret clock |
| 09/05/2012 | CN202421764U 1+N standby system for master turret clock |
| 08/29/2012 | CN202404379U Turret clock system capable of being remotely debugged |
| 08/29/2012 | CN202404378U Horizontal hot-plug master clock system of turret clock |
| 07/11/2012 | CN102576216A Motor end cap positioning element for maintaining rotor-stator concentricity |
| 07/03/2012 | US8213266 Electronic timepiece |
| 05/15/2012 | US8181057 Time synchronization in units at different locations |
| 05/01/2012 | US8169856 Time synchronization in cluster systems |
| 03/21/2012 | CN202171726U 一种带无线遥控和rs-485通讯接口的智能塔钟机芯 Smart tower clock movement with a wireless remote control and a rs-485 communication interface |
| 01/18/2012 | CN102323737A Control design method of regional clock cassette mechanism |
| 09/07/2011 | CN201965440U 手表表芯复位柱装配结构 Watch movement assembly structure column reset |
| 05/05/2011 | DE102009051804A1 Clock system controlling method for use in closing system of entrance door in private residential building, involves automatically accessing server by main clock for accessing time plan dataset, and controlling clock according to dataset |
| 04/19/2011 | US7928822 Bobbin, coil-wound bobbin, and method of producing coil-wound bobbin |
| 03/22/2011 | US7911326 Time updating and load management systems |
| 03/22/2011 | US7911094 Stepping motor |
| 02/22/2011 | US7893571 Stepping motor being conveniently assembled |
| 02/17/2011 | WO2011019508A1 Motor end cap positioning element for maintaining rotor-stator concentricity |
| 11/24/2010 | CN201654493U Local clock mechanism |
| 09/14/2010 | US7796474 Clock diagnostics |
| 09/14/2010 | US7796473 Clock diagnostics |
| 07/20/2010 | US7758261 Light amount adjustment apparatus and image pickup apparatus |
| 05/27/2010 | US20100131954 Electronic device and control method thereof, device and control method thereof, information processing apparatus and display control method thereof, image forming apparatus and operation method thereof, and program and storage medium |
| 10/15/2009 | US20090257730 Video server, video client device and video processing method thereof |
| 08/06/2009 | US20090196123 Collaborative Appointment and Reminder System |
| 06/10/2009 | CN100498593C Piezoelectric actuator, timepiece, and electronic device |
| 05/21/2009 | US20090129208 Apparatus, system and method for keeping time |
| 05/13/2009 | CN101430542A Motor control device |
| 05/12/2009 | US7532547 Clock diagnostics |
| 11/04/2008 | US7446443 Electromagnetic-driving device and light quantity-control device incorporating the same |
| 10/22/2008 | CN201138434Y GPS satellite time service full-automatic tower clock |
| 09/09/2008 | US7423935 Electronic equipment, and reception control method of electronic equipment |
| 08/12/2008 | US7411868 Estimation of time within untrusted time device disconnected from trusted time device |
| 07/01/2008 | US7395448 Directly obtaining by application programs information usable in determining clock accuracy |
| 06/10/2008 | US7385878 Local time adjusting method of mobile communication terminal |
| 06/03/2008 | US7382694 Methods to resolve TSF timer ambiguity of IEEE 802.11e schedule element |
| 05/21/2008 | CN201063099Y Audio voice automatic timer |
| 05/15/2008 | US20080112269 Time Broadcast Receiving Time Clock |
| 04/01/2008 | US7352655 Method and apparatus for automatic time correction of a mechanical clock |
| 01/02/2008 | EP1126335B1 Timepiece device |
| 11/14/2007 | CN101071299A Combined desktop clock |
| 10/11/2007 | DE10006660B4 Zeitinformationswiederholeinrichtung und Zeitinformationssteuerungssystem Zeitinformationswiederholeinrichtung and time information control system |
| 09/06/2007 | US20070206446 Clock diagnostics |
| 09/06/2007 | US20070206445 Clock diagnostics |
| 09/06/2007 | US20070206444 Clock diagnostics |
| 07/03/2007 | US7239581 Systems and methods for synchronizing the internal clocks of a plurality of processor modules |
| 06/12/2007 | US7230884 Clock diagnostics |
| 05/01/2007 | US7212468 Master/slave clock system with automatic protocol detection and selection |
| 04/12/2007 | WO2007041387A2 Electric motor with adjustable timing |
| 03/15/2007 | US20070058491 System and method for calibrating a tod clock |
| 01/24/2007 | CN2862125Y Sub-mother clock system with mobile mother clock |
| 01/10/2007 | CN1892517A Method for synchronizing the analog display means and a volatile time counter in a timepiece |
| 12/06/2006 | EP1729188A1 Small motor, in particular of the watch-type |
| 12/05/2006 | US7145837 Global recovery for time of day synchronization |
| 11/23/2006 | US20060262650 Method and apparatus for automatic time correction of a mechanical clock |
| 11/21/2006 | US7139225 Virtual real-time clock based on time information from multiple communication systems |
| 09/19/2006 | US7109638 Piezoelectric actuator, timepiece, and electronic device |
| 08/03/2006 | US20060171259 Biasing member for securely connecting minute wheel and hour wheel for radio-controlled clocks |
| 07/20/2006 | US20060158963 Time keeping system with automatic daylight savings time adjustment |
| 06/15/2006 | US20060126437 Method of determining a timing offset between a first clock and a second clock in a communications network |
| 05/10/2006 | CN1771645A Rotor for step micromotors for watchmaking and other industrial applications, and method for manufacturing the rotor |
| 04/18/2006 | US7031228 Timepiece with touch-type reading and control of time data |
| 02/16/2006 | US20060034158 Method for position notification |
| 01/18/2006 | CN1237419C Electronically controlled mechanical timepiece |
| 01/18/2006 | CN1237418C Timepiece device |
| 01/17/2006 | US6987709 Device time setting method, program and system |
| 01/11/2006 | EP1614206A1 Rotor for step micromotors for watchmaking and other industrial applications, and method for manufacturing the rotor |
| 12/21/2005 | CN1232891C 2-pole stepper motor for timepiece |
| 12/07/2005 | EP1048990B1 Electronically controlled mechanical timepiece |
| 12/06/2005 | US6973010 Timepiece device |
| 08/25/2005 | US20050184621 Piezoelectric actuator, timepiece, and electronic device |
| 08/24/2005 | EP1566852A2 Piezoelectric actuator, timepiece and electronic device |
| 08/24/2005 | CN1658093A Piezoelectric actuator, timepiece, and electronic device |
| 08/03/2005 | CN2715201Y Clock with satellite timing and auto-control pointer positioning |
| 06/23/2005 | DE19824840B4 Analoge Funkuhr mit Stundenraderkennung Analog clock with hour wheel detection |
| 06/22/2005 | EP1544693A1 Single phase step motor for a wristwatch type mechanism |
| 05/26/2005 | US20050111305 Clock-driving device combined with a conventional core |
| 05/24/2005 | US6898154 Clock-driving device combined with a conventional core |
| 10/28/2004 | WO2004093293A1 Rotor for step micromotors for watchmaking and other industrial applications, and method for manufacturing the rotor |
| 09/16/2004 | US20040179432 Universal clock |
| 08/26/2004 | US20040167739 Clock diagnostics |
| 08/26/2004 | US20040165480 Master/slave clock system with automatic protocol detection and selection |
| 08/10/2004 | US6774513 Two-pole step motor for timepiece |
| 06/17/2004 | WO2003091810A3 Radio controllable clock |
| 06/09/2004 | CN1153332C Monophase electromechanical transducer and electromechanical device including at least one such transducer |