Patents for G04B 49 - Time-pieces using the position of the sun, moon, or stars (206)
03/2015
03/05/2015US20150063077 Timepiece
11/2014
11/18/2014US8891337 Time piece provided with a day/night display and day/night display
05/2014
05/07/2014CN203587983U 十字窥管透明圆柱形时间节气日晷 Cross glimpse of the throttle tube transparent cylindrical sundial time
05/07/2014CN203587982U 十字窥管透明的球体时间节气日晷 Cross glimpse of the throttle tube transparent sphere sundial time
04/2014
04/30/2014CN203573103U Corona scale membrane
04/02/2014CN203520036U Season longitude and latitude sundial
02/2014
02/12/2014CN203433704U Convenient and efficient corona demonstration device
01/2014
01/30/2014DE202012010138U1 Polare Süd-Sonnenuhr aus Karton, die die wahre Ortszeit (WOZ) anzeigt South polar sundial box that shows the true local time (LAT)
01/28/2014DE202012010115U1 Äquatoriale Sonnenuhr, die nur eine Scala besitzt, die das ganze Jahr über die Uhrzeit anzeigt Equatorial sundial, which has only a Scala, which displays all year round the clock
01/15/2014CN103513566A Crossed sighting tube transparent cylindrical time and solar term sundial
01/15/2014CN103513565A Crossed sighting tube transparent spherical time and solar term sundial
09/2013
09/17/2013US8533963 Sundial with elevated gnomon support avoiding shadow eclipse
09/10/2013US8528218 Sundial
08/2013
08/08/2013US20130199050 Sundial
03/2013
03/05/2013US8387265 Sundial
02/2013
02/27/2013CN202758175U Sun clock
02/13/2013CN102289185B Time clock
01/2013
01/31/2013US20130025141 Sundial with elevated gnomon support avoiding shadow eclipse
09/2012
09/27/2012US20120243380 Timepiece movement comprising a running equation of time device
06/2012
06/21/2012US20120151784 Sundial
06/20/2012CN202281915U 一种多用赤道式日晷 A multi-use equatorial sundial
02/2012
02/08/2012CN102346432A Sundial capable of generating electricity with large power at fixed time
01/2012
01/12/2012WO2012004468A1 Urban furniture providing a solar protection aid
01/10/2012US8091245 Sundial
12/2011
12/21/2011CN102289185A 时辰钟表 Hour watch
11/2011
11/29/2011US8065808 Sundial with dome and grid of light
09/2011
09/22/2011US20110225835 Sundial
09/02/2011DE202010005732U1 Äquatoriale Sonnenuhr aus Karton, die wahlweise die Wahre Ortszeit, die Mittlere Ortszeit, die Mitteleuropäische Zeit oder die Mitteleuropäische Sommerzeit anzeigt Equatorial sundial made of cardboard, indicating either the true local time, the mean time, the Central European Time or Central European Summer Time
06/2011
06/29/2011CN101206118B Automatic calculator for automatically computing sun direction
06/07/2011US7954247 Self-orienting platform
05/2011
05/31/2011US7950159 Sundial
05/05/2011DE202010016591U1 Äquatoriale Weltzeit-Sonnenuhr, die gleichzeitig die WOZ, die MOZ, die MEZ, die MESZ, die Zonenzeit in verschiedenen Städten der Welt und das Datum anzeigt Equatorial World Time sundial at the same time the LAT, the MOZ, the MDGs, the EDT, the time zone in different cities of the world and date display
03/2011
03/17/2011US20110061250 Sundial with dome and grid of light
03/16/2011CN201765454U Corona watch
01/2011
01/04/2011US7861422 Skyline imaging system for solar access determination
12/2010
12/08/2010CN101907865A Canonical hour informing method and interactive system
10/2010
10/20/2010CN201611434U 一种有记录功能的球透镜仰仪 A kind of record of the ball lens Yang Instrument
09/2010
09/23/2010US20100236083 Sundial
08/2010
08/18/2010CN201556317U Dynamic sundial demonstrating instrument
05/2010
05/25/2010US7721454 Rock fashionable calendar horologe
05/12/2010EP2183650A2 Rotation-symmetrical refraction sundial
05/12/2010CN201464827U Multifunctional gnomon
04/2010
04/22/2010US20100095538 Rock Fashionable Calendar Horologe
04/20/2010US7698825 Automatic solar compass
04/06/2010US7690123 Skyline imaging system for solar access determination
01/2010
01/28/2010DE102008034718A1 Gnomonic measuring device for use in design of portable armillary sphere after geocentric conception of world, has geographical coordinates, width, length, and position displayed in light of sun or moon
12/2009
12/03/2009DE102008025316A1 Sun-dial has instrument dial, where image of gnomon forms pointer of sun-dial, and image is produced by sunlight on instrument dial, and sensor device is provided for capturing initial position of image
10/2009
10/07/2009CN201322851Y Sundial teaching aid
10/07/2009CN201322850Y North latitude 35-degree sundial teaching aid
07/2009
07/07/2009US7555840 Omni-directional lens in sundials and solar compasses
05/2009
05/28/2009US20090135676 Method and device for celestial time keeping
05/07/2009DE102007051834A1 Equatorial sun clock for illustrating daily and seasonal course of sun, has pivot arm rotatably mounted against pivot mounting and carrying projection screen with time equation curve at ends for absorbing shadow or images of sun
04/2009
04/30/2009WO2009015774A3 Rotation-symmetrical refraction sundial
04/22/2009EP2049953A2 Sundial
04/14/2009US7518956 Planisphere clock
04/14/2009US7516557 Solar site selection apparatus and method
03/2009
03/19/2009DE202008007744U1 Armbanduhr Watch
02/2009
02/05/2009WO2009015774A2 Rotation-symmetrical refraction sundial
12/2008
12/17/2008CN201166784Y Bottle type mean solar time sundial with orientation and locatation function
11/2008
11/19/2008CN201152931Y Multifunctional gnomon
10/2008
10/30/2008DE202008010211U1 Sonnenuhr Sundial
10/29/2008CN201141997Y Upright type mean sun sundial capable of providing sunshine drawing of the whole year
10/22/2008CN201138533Y Principle demonstrator for sundial
08/2008
08/27/2008CN101251746A New type multifunctional gnomon
06/2008
06/25/2008CN101206118A Method for automatically computing sun direction and automatic calculator thereof
06/11/2008CN101196728A Multifunctional plane type sundial
06/11/2008CN101196727A Multifunctional column type sundial
06/11/2008CN101196726A Sundial capable of inferring date
04/2008
04/23/2008CN100383683C Equatorial sundial for time and solar term
04/16/2008CN201047904Y Noontime observer
03/2008
03/13/2008WO2008015004A3 Sundial
02/2008
02/21/2008DE102006004498B4 Ringsonnenuhr Astronomical rings
02/07/2008WO2008015004A2 Sundial
11/2007
11/29/2007DE202007010819U1 Rotationssymmetrische Sonnenuhr Rotosymmetrical sundial
11/08/2007DE102006036313B3 Sundial, has sensor device detecting actual position of image of gnomon, and adjusting unit adjusting position of gnomon based on signal outputted from comparator device
09/2007
09/20/2007US20070214665 Solar site selection apparatus and method
08/2007
08/16/2007DE202007002006U1 Fixier-Schiebevorrichtung aus Karton zum Fixieren und Lösen eines beweglichen Schattenwerfers aus Karton Fixing shifter cardboard for tightening and loosening of a movable gnomon cardboard
08/09/2007DE102006004498A1 Circular sun dial for displaying e.g. real local time, has display device rotatable around pole axis, where dial is aligned by rotation around zenith axis for sun such that image is produced by sun light that falls on display device
07/2007
07/18/2007EP1807676A1 Navigation system and method using modulated celestial radiation sources
04/2007
04/05/2007WO2007008195A8 Navigation system and method using modulated celestial radiation sources
01/2007
01/18/2007WO2007008195A1 Navigation system and method using modulated celestial radiation sources
12/2006
12/28/2006US20060291333 Real time earth clock
12/26/2006US7154815 Astronomical timepiece
10/2006
10/03/2006US7114262 Sundial with standard time display
09/2006
09/12/2006US7106660 Sun dial and method for determining average sunlight
07/2006
07/27/2006US20060164920 System and method for monitoring galactic time
04/2006
04/26/2006CN2775711Y Observation instrument for 24 solar terms
03/2006
03/16/2006DE102004038045A1 Mobile sundial shows accurate time and date directly for all colonisable planets using two grids of straight horizontal and curved vertical lines and elastic cord pointer
02/2006
02/09/2006US20060028921 Clock with luminous hands
01/2006
01/18/2006CN2752822Y U-shape horologe
01/12/2006US20060007787 Method and device for displaying a moon image cycle, in particular for a watch
01/12/2006DE10342348B4 Äquatorialsonnenuhr Equatorial sundial
10/2005
10/27/2005US20050237859 Muslim's portable prayer times calculator
10/06/2005US20050217458 12-D gnomon resonator
09/2005
09/09/2005WO2005081617A2 Device for determining the direction of a pre-determined geographical area from any geographical point
09/07/2005CN2724062Y Sundial made from long focus semicylindrical transparent lens
09/07/2005CN2724061Y 凸透镜式球形日晷 Convex spherical sundial style
09/07/2005CN2724060Y Sundial capable of recording equator plane clock
09/07/2005CN2724059Y Sundial capable of recording horizontal surface
08/2005
08/25/2005DE102004005771A1 Sundial has an imaging arrangement that reproduces light or shadow on a display dependent on the actual position of the sun, whereby the imaging arrangement has one or more light guidance devices
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