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Browse by Category: Main > Communications
Class Information
Number: 342/411
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 > Fixed course or bearing indicating > Glide slope transmitter or receiver > Receiver only
Description: Subject matter including only the apparatus to receive the beacon signal.










Patents under this class:

Patent Number Title Of Patent Date Issued
8353791 Tracking balls in sports Jan. 15, 2013
8239077 Method and device for detecting noise on a guide signal of LOC type received by an aircraft Aug. 7, 2012
7636620 Signal distribution device operating in aircraft instrumental landing systems Dec. 22, 2009
7409272 Systems and methods for removing undesired signals in instrument landing systems Aug. 5, 2008
7363043 Passive GSM-based self-locating device Apr. 22, 2008
6570531 Satellite navigation receiver designed for compatibility with aircraft automatic landing systems May. 27, 2003
6348891 Far field monitor apparatus Feb. 19, 2002
6239745 Satellite landing system having instrument landing system look alike guidance May. 29, 2001
5689273 Aircraft surface navigation system Nov. 18, 1997
5610600 Operation verification system and method for navigational instruments Mar. 11, 1997
5483245 ILS signal analysis device and method Jan. 9, 1996
5323332 Instrument landing system calibrator Jun. 21, 1994
5177491 Navigation receiver with beam asymmetry immunity Jan. 5, 1993
4990921 Multi-mode microwave landing system Feb. 5, 1991
4811022 Scanning antenna having phase center diversity Mar. 7, 1989
4623892 Dynamic limiter for MLS receiver Nov. 18, 1986
4609921 Digital modulation depth detector Sep. 2, 1986
4499586 Microprocessor controlled AGC Feb. 12, 1985
4399425 Circuit for operating a flight navigation indicator Aug. 16, 1983
4330827 Aircraft autopilot system May. 18, 1982
4215346 Navigation unit having time shared operation Jul. 29, 1980
4184157 Identification tone reconstitution in a time shared navigational receiver Jan. 15, 1980
4184158 Time shared operation of navigational unit Jan. 15, 1980
4164340 Method and apparatus for determining when a glide slope signal exceeds a predetermined level Aug. 14, 1979
4115777 Aircraft landing systems Sep. 19, 1978
4101893 Aircraft landing aid for zero-zero visibility landings Jul. 18, 1978
3976267 Vertical glide slope control system including complementary filter Aug. 24, 1976
3967278 Low cost microwave receiver for ILS Jun. 29, 1976
3952309 Doppler perspective navigation system employing the comparisons with a reference source of signal phases received on an aircraft by a plurality of sensors Apr. 20, 1976
3947809 Below glide slope advisory warning system for aircraft Mar. 30, 1976
3946358 Aircraft ground proximity warning instrument Mar. 23, 1976
3944171 Glide slope control signal processing system Mar. 16, 1976
3936796 Aircraft ground proximity warning instrument Feb. 3, 1976











 
 
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