National marine electronics association protocol converter
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 6, 2004
Grant Date -
Dec 12, 2002
app pub date -
Apr 6, 2001
filing date -
Apr 6, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A protocol converter for use on board an aircraft with space limitations which converts navigation data from one format to another format for use by the aircraft's moving map display. The navigation data is supplied by an aircraft inertial navigation unit to the protocol converter in the ARINC-429 protocol which converts the data to the NMEA-0183 protocol. The converted data is then supplied to a moving map display on board the aircraft. An interface board receives ARINC navigational data from the aircraft navigation unit and stores the data prior to its transfer to a digital computer. The computer reads the data stored in the interface board including a status word which indicates the validity of the data. A computer software program within the computer converts the ARINC-429 navigational data to NMEA-0183 protocol data. The NMEA-0183 protocol data is transmitted through an RS-232 serial port to the moving map display.
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