Patents for G01J 7 - Measuring velocity of light (39)
02/2014
02/19/2014CN203443673U Light velocity measuring instrument
10/2013
10/23/2013CN103364090A Device and method for measuring propagation phase velocity of ultrashort pulse laser in media
08/2013
08/21/2013CN203148570U Light speed anisotropy measuring device
06/2013
06/19/2013CN103162844A Anisotropism measuring method of light velocity
12/2012
12/26/2012CN202631173U Device for testing active force of photons and speed of light
09/2012
09/19/2012EP2499475A1 Method and system for one-way time transmission
06/2012
06/28/2012DE102011089642A1 Light travel time sensor i.e. photo mixing detector-sensor, for three-dimensional time-of-light camera, has evaluation device determining distance value based on electrical parameters, where additional parameters are used to determine value
06/28/2012DE102011089636A1 Light propagation time camera system, has evaluation unit connected with light propagation time sensor and photosensor and designed to start distance measurement depending on signals of photosensor
05/2011
05/19/2011WO2011059387A1 Method and system for one-way time transmission
01/2011
01/20/2011WO2011006250A1 Interface plasmon polariton waveguide
04/2009
04/29/2009CN100483088C Measuring method and its device for focus gauss light beam phase velosity distribution
10/2007
10/24/2007CN101059373A Method and device for measuring one-way light speed and checking Lorentz transformation
10/11/2007DE102006015146A1 Body translation speed determining device for use in e.g. terrestrial surrounding, has evaluation electronics and measuring system for determining light speed variations between different spatial directions
07/2007
07/18/2007CN101000265A One-way light velocity instrument
04/2007
04/11/2007CN1945245A Method and system for measuring light speed in short optical path using optic and electric signal phase difference
11/2006
11/08/2006CN1858565A Measuring method and its device for focus gauss light beam phase velosity distribution
08/2006
08/03/2006DE19741887B4 Vorrichtung zur Laufzeitmessung von Licht Device at run-time measurement of light
07/2006
07/11/2006US7075627 Device, system and method for measuring Reichenbach clock synchronizations
09/2005
09/22/2005US20050206902 Device, system and method for measuring the dilaton particle
07/2005
07/27/2005EP0882219B1 High spectral resolution fiber optic spectrometer
09/2004
09/07/2004US6788410 Delay time measurement apparatus for optical element
06/2004
06/24/2004US20040119967 Device, system and method for measuring the inverse fine structure constant
04/2004
04/21/2004EP1411339A2 Wavelength dispersion measuring apparatus and polarization dispersion measuring appparatus
11/2003
11/04/2003CA2221176C High spectral resolution fiber optic spectrometer
01/2003
01/09/2003US20030007221 Device, system and method for measuring reichenbach clock synchronizations
06/2000
06/28/2000EP1014033A2 Delay time measurement apparatus for optical element
11/1999
11/30/1999US5995228 Wavelength dispersion measuring apparatus and polarization dispersion measuring apparatus
08/1999
08/25/1999EP0937973A2 Wavelength dispersion measuring apparatus and polarization dispersion measuring apparatus
12/1998
12/09/1998EP0882219A2 High spectral resolution fiber optic spectrometer
04/1998
04/30/1998DE19644791A1 Method for determining light transmission time over measurement path
01/1998
01/02/1998DE19624751A1 Duration time measuring process using continuous light beam
04/1997
04/08/1997US5619332 High spectral resolution fiber optic spectrometer
02/1997
02/13/1997WO1996036858A3 High spectral resolution fiber optic spectrometer
11/1996
11/21/1996WO1996036858A2 High spectral resolution fiber optic spectrometer
10/1994
10/26/1994CN2180986Y 弱光自动报警器 Low-light auto alarm
06/1994
06/23/1994DE4242765A1 Ether drift measurement arrangement
09/1991
09/04/1991CN1054309A Light measurer
01/1986
01/15/1986CN85201060U Multipurpose light velocity mesurement device
10/1983
10/25/1983US4411520 Light dispersion measuring apparatus