Navigating device
First Claim
1. A radio navigation device comprising:
- a plurality of display units for continuously providing simultaneous visible bearing indications relative to a plurality of geographically separated radio navigation facilities;
a single radio frequency receiver selectively operable at each of a plurality of different receiving frequencies corresponding to different radio navigation facilities; and
means for repetitively sequencing the receiver between different receiving frequencies at a rate sufficient to maintain a substantially continuously updated display for each bearing indication.
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Accused Products
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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Citations
31 Claims
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1. A radio navigation device comprising:
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a plurality of display units for continuously providing simultaneous visible bearing indications relative to a plurality of geographically separated radio navigation facilities; a single radio frequency receiver selectively operable at each of a plurality of different receiving frequencies corresponding to different radio navigation facilities; and means for repetitively sequencing the receiver between different receiving frequencies at a rate sufficient to maintain a substantially continuously updated display for each bearing indication. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A radio navigation device comprising:
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a single ratio frequency receiver selectively operable at each of a plurality of different receiving frequencies corresponding to different geographically separated omnirange radio navigation facilities; means for repetitively sequencing the receiver between different receiving frequencies; and means for processing received bearing information from each of a number of different geographically separated omnirange navigation facilities to provide navigational data from more than one facility from the single receiver. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A passive airborne radio navigation device including:
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means for receiving radio navigation signals from a plurality of geographically separated navigation installations; processor means for combining navigation information from distinct navigation facilities; and means responsive to the processor means for displaying an indication of the airborne device location in relation to a geographical location distinct from any of the navigation facilities being received. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
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29. A passive airborne radio navigation device including:
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means for receiving radio navigation signals from a plurality of geographically separated omnirange navigation installations; processor means for combining navigation information from distinct navigation facilities; and means responsive to the processor means for providing an indication of the airborne device location in relation to a geographical location distinct from any of the navigation facilities being received. - View Dependent Claims (30, 31)
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Specification