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Class Information
Number: 342/390
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-chronic type > Loran > Loran-c > With cycle selection
Description: Subject matter providing cycle tracking of received master an slave transmissions on a predetermined cycle identified from a predetermined Loran pulse envelope point.

Patents under this class:

Patent Number Title Of Patent Date Issued
4821038 Method of and apparatus for Loran-C message communication with reduced skywave navigation location errors and the like Apr. 11, 1989
4814771 Apparatus and method for receiving and proessing Loran signals Mar. 21, 1989
4812852 Locating system and method Mar. 14, 1989
4804964 Loran-C signal receiving apparatus Feb. 14, 1989
4800391 Method of and apparatus for message communication on Loran-C navigational signal broadcasts and the like with reduced navigation errors Jan. 24, 1989
4789864 Low elevation guidance system Dec. 6, 1988
4743912 Method of and apparatus for reducing cycle slippage errors in Loran-C and similar radio-frequency signal reception, particularly in vehicles undergoing acceleration May. 10, 1988
4631543 Method and apparatus for reducing the effects of impulse noise in Loran-C receivers Dec. 23, 1986
4595927 Loran C cycle slip reduction technique Jun. 17, 1986
4591860 Loran-C receiver May. 27, 1986
4482896 Differential ECD detector for Loran C receiver Nov. 13, 1984
4224623 Loran-C cycle detector Sep. 23, 1980
4161696 Pulse transmitter reference networks supplying ECD capability Jul. 17, 1979
3934254 Reliable cycle selection in LORAN-C system Jan. 20, 1976

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