Resources Contact Us Home
Browse by Category: Main > Business
Class Information
Number: 434/186
Name: Education and demonstration > Magnetic or gyro compass
Description: Subject matter relating to a device for determining directions by means of (a) a magnetic needle turning freely on a pivot and pointing to the magnetic north, or (b) a direction indicator controlled by a gyroscope.

Patents under this class:

Patent Number Title Of Patent Date Issued
7862882 Re-positionable magnetic art apparatus Jan. 4, 2011
7543392 Motion estimation method and system for mobile body Jun. 9, 2009
7126262 Piezoelectric vibration gyro element, method for manufacturing the same, and piezoelectric vibration gyro sensor Oct. 24, 2006
5940798 Feedback modification for reducing stuttering Aug. 17, 1999
4078317 Flight simulator system Mar. 14, 1978

  Recently Added Patents
Method for facilitating assessment of a coursework answer and moderating the assessment
Digital broadcast receiver and method for processing caption thereof
Vehicle running control system
Image sensing apparatus and method of controlling the image sensing apparatus
Fixture for camera attachments
Toner cartridge and image forming apparatus including the same
Hydroxyl-terminated thiocarbonate containing compounds, polymers, and copolymers, and polyurethanes and urethane acrylics made therefrom
  Randomly Featured Patents
Decorative syntactic foam products
CMOS integrated semiconductor circuit
Sheet supplying device for two-sided copying
Preparation of recyclate polyols, and the use thereof in the preparation of polyurethanes
Nozzle assembly for trigger sprayer
Aerodynamic lift apparatus
Method for adjusting gap between two objects and exposure method using the same, gap adjusting apparatus, and exposure apparatus
Catalytic reactor
Optic fiber connector secondary latch
Mode-specific method and apparatus for encoding signals containing speech