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Class Information
Number: 434/239
Name: Education and demonstration > Radio navigation
Description: Subject matter relating to teaching or demonstrating the operation or characteristics of a means for determining position, course, or distance traveled by use of radio waves.










Sub-classes under this class:

Class Number Class Name Patents
434/240 Light sensor included in simulator of radio navigation equipment 1
434/243 Simulated bearing or position or vehicle relative to radio transmitter or directional beam indicated to trainee by instrument 13
434/242 Simulated radio signal generated by use of data storage means 8
434/244 Simulation of radio directional beam carrying morse code signal 1
434/241 Simulation of upwardly directed airfield or landing approach marker radio beam 2


Patents under this class:

Patent Number Title Of Patent Date Issued
7264584 Method for safely and efficiently navigating magnetic devices in the body Sep. 4, 2007
5833467 VOR flight instructional aid and method of use Nov. 10, 1998
5181250 Natural language generation system for producing natural language instructions Jan. 19, 1993
5033967 ADF wind correction simulator Jul. 23, 1991
4573925 Electronic flight instrument design and evaluation tool Mar. 4, 1986
4263035 Handling of hot articles Apr. 21, 1981
4019183 Apparatus for Loran simulation Apr. 19, 1977











 
 
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