by projection

Follow

Industry

CPC
G01C17/22

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

GPHYSICS G01Measuring instruments G01CMEASURING DISTANCES, LEVELS OR BEARINGS SURVEYING NAVIGATION GYROSCOPIC INSTRUMENTS PHOTOGRAMMETRY OR VIDEOGRAMMETRY G01C17/00Compasses Devices for ascertaining true or magnetic north for navigation or surveying purposes

Current Industry

G01C17/22by projection

Industries

Patents Grantslast 30 patents

Information Patent Grant
Street lamp with direction indicator
- Patent number 7,926,989
- Issue date Apr 19, 2011
- Hon Hai Precision Industry Co., Ltd.
- Chia-Ying Wu
- F21 - LIGHTING
Information Patent Grant
External compass module for night vision devices
- Patent number 5,270,545
- Issue date Dec 14, 1993
- ITT Corporation
- Earle N. Phillips
- F41 - WEAPONS

Patents Applicationslast 30 patents

Information Patent Application
STREET LAMP
- Publication number 20090290357
- Publication date Nov 26, 2009
- HON HAI Precision Industry CO., LTD.
- CHIA-YING WU
- F21 - LIGHTING