Boots – shoes – and leggings
Patent
1978-07-20
1980-07-08
Wise, Edward J.
Boots, shoes, and leggings
364448, 343112R, G01S 1100
Patent
active
042120675
ABSTRACT:
A keyboard entry VOR receiver incorporating a phase locked loop frequency synthesizer under processor control is disclosed. In one version a scanning VOR navigation receiver with a multitude of VOR displays operating from that one receiver and under the control of the processor also includes a keyboard for operator entry of information into the processor and a display for viewing frequency and other information during operation of the receiver. The processing means includes a central processing unit, keyboard and display interface circuitry, general input and output circuits and a memory. The display may be a conventional omni bearing selector and course deviation meter arrangement or a plurality of three digit bearing displays may be employed. In another version, an automatic area navigation system and incrementing VOR receiver includes the single radio frequency receiver which is selectively operable at each of a plurality of different receiving frequencies corresponding to different radio navigation facilities, as well as the processing arrangement which includes a central processing unit, keyboard and display interface circuitry, and a hierarchy of memories. These memories provide storage for the current 160 VOR frequencies along with their associated morse code identifiers. The longitude and latitude of each VOR station may also be stored in a read only memory. Display for the area navigation feature may include digital read outs for longitude and latitude of an operator selected way point along with a course deviation meter identifying an azimuth or radial for navigation. The radio navigation device includes a keyboard and a display for viewing frequency and bearing information. In the area navigation automatic mode, a way point coordinate in longitude and latitude is entered into the processor, and the processor selects VOR stations automatically, from which a way point bearing is computed, and presented to the display circuitry for navigation purposes.
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patent: 3994456 (1976-11-01), Post et al.
patent: 4000468 (1976-12-01), Brown et al.
patent: 4048570 (1977-09-01), Sumi
patent: 4069412 (1978-01-01), Foster et al.
patent: 4086632 (1978-04-01), Lions
General Aviation Electronics, Inc.
Wise Edward J.
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