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Class Information
Number: 342/396
Name: Communications: directive radio wave systems and devices (e.g., radar, radio navigation) > Directive > Beacon or receiver > With transmisson of bearing or position determinative signals > Iso-phase type > Omega
Description: Subject matter wherein hyperbolic lines of position are determined by measuring the changes in distances from the transmitters by counting radio-frequency wavelengths in space or lanes (iso-phase lines) as a vehicle moves from a known position, the lanes being counted by phase comparison with a stable oscillator aboard the vehicle.










Patents under this class:

Patent Number Title Of Patent Date Issued
5394332 On-board navigation system having audible tone indicating remaining distance or time in a trip Feb. 28, 1995
4701760 Method for positioning moving vehicles and exchanging communications between the vehicles and a central station Oct. 20, 1987
4680590 Position finding system Jul. 14, 1987
4672383 Craft guidance system Jun. 9, 1987
4276552 Automatic synchronization for receivers of a navigational system Jun. 30, 1981
4191958 Radiolocation with respect to an Own station, using Omega signals or the like Mar. 4, 1980
4138680 Selective sampling method Feb. 6, 1979
4134217 Omega simulation Jan. 16, 1979
4024383 Method and system for navigation employing incremental range difference May. 17, 1977
4015262 Digital filters for obtaining quadrature components of a periodic signal Mar. 29, 1977
3997902 Transmission of radio navigation phase corrections Dec. 14, 1976
3996515 Method for frequency cross-coupling of channels in an Omega Navigation receiver system Dec. 7, 1976
3969727 Position detecting device for omega receiving system Jul. 13, 1976
3950752 Navigation receiver system for synchronizing to noisy, asymmetrical signals Apr. 13, 1976
3941983 OMEGA-VOR/DME positional data computer for aircraft Mar. 2, 1976
3936762 Digital phase-lock loop systems for phase processing of signals Feb. 3, 1976
3936763 Null input OMEGA tracking filter system Feb. 3, 1976











 
 
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