164545 ⎘
Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes Sun- or astro-compasses
METHOD AND DEVICE FOR ORIENTING
#2TURBINE ALIGNMENT BY USE OF LIGHT POLARISING COMPASS
#3Three-dimensional slope detection device and slope detection method thereof
#4Determining compass orientation of imagery
#5Systems and methods for northfinding
#6Determining compass orientation of imagery
#7Daytime and nighttime stellar sensor with active polarizer
#8System and method for video surveillance of a forest
#9Determining compass orientation of imagery
#10SUNDIAL COMPASS
#11Systems and methods for northfinding
#12Surveying instrument
#13Surveying instrument
#14Apparatus and method for navigation
#15Antenna attitude measurement sensor and antenna attitude measurement method
#16Forest fire video monitoring system and method
#17System and method for determining orientation relative to earth
#18DIGITAL SOLAR COMPASS
#19Apparatus and method for navigation
#20Celestial compass kit
#21Quasi-uniaxial solar trajectory tracking transit system
#22Portable celestial compass
#23Orientation sensor calibration
#24ELECTRO-OPTIC VISION SYSTEMS
#25METHOD FOR PROVIDING DIGITAL COMPASS FUNCTION AND PORTABLE TERMINAL ADAPTED THERETO
#26Automatic solar compass
#27Omni-directional lens in sundials and solar compasses
#28Electro-optic vision systems
#29Viewing and display apparatus position determination algorithms
#30Celestial compass
#31Insolation Survey Device
#32Measurement device
#33Viewing and display apparatus position determination algorithms
#34Sunniness Indicator
#35Viewing and display apparatus position determination algorithms
#36Laser guided celestial identification device
#3712-D gnomon resonator
#38Mechanical celestial navigation and directional device
#39Polarization optical compass