Communications: electrical – Continuously variable indicating – With meter reading
Patent
1983-10-19
1986-12-09
Yusko, Donald J.
Communications: electrical
Continuously variable indicating
With meter reading
34087024, 244190, H04Q 700
Patent
active
046283129
ABSTRACT:
Pulse position coding is used to transmit several channels of data from a ground radar transmitter to a receiver in an airborne, remotely-piloted vehicle. The system is designed to ignore interfering pulses, especially those which are synchronized with the transmitter's PRF, by combining a number of noise reduction devices. These include the redundant transmission of address and channel information, the transmission of true and complemented data, the tracking of channels transmitted in a predetermined order, developing an interference count to recognize synchronous pulses, comparing data received for a given channel with data subsequently received for that channel, the use of windows around the expected positions of pulses, and the use of parity. There is also a novel programming arrangement which enables several programs to be stored in a reduced amount of memory space.
REFERENCES:
patent: 3495077 (1970-02-01), Hiltz et al.
patent: 3530435 (1970-12-01), Magnin
patent: 3987447 (1976-10-01), Lockhart, Jr. et al.
patent: 4327441 (1982-04-01), Bradshaw
patent: 4344180 (1982-08-01), Cummiskey
Fleming, III Robert F.
Hayworth Robert G.
Hwang James G.
Vega Precision Laboratories, Inc.
Yusko Donald J.
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