Apparatus and method for optimally recording geographical position data
First Claim
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1. An apparatus with a memory device in which is stored a record of selected positional data about a vehicle, wherein the apparatus operates to create said record by:
- a) receiving new data from the vehicle about its position;
b) determining change between the new position of the vehicle and the position of the vehicle last recorded by the apparatus;
c) determining elapsed time between when the vehicle was at the new position and when the vehicle was at the position last recorded by the apparatus;
d) selecting the new data received in step a) for logging in step e) when said change in position in relation to said elapsed time exceeds predetermined parameters;
e) logging data selected in step d) in said memory device; and
f) repeating steps a) through e);
thereby creating said record of selected positional data.
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Abstract
The present invention relates to an apparatus and method for optimally recording or transmitting positional data and events of an object, said apparatus including input means to continuously provide positional data to a microprocessor and a memory device to store selected positional data wherein the microprocessor is programmed to compares new positional data from said input means to previously recorded log of positional data and creates a new log if the new positional data differs from the previously recorded log in accordance with pre-determined parameters.
105 Citations
25 Claims
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1. An apparatus with a memory device in which is stored a record of selected positional data about a vehicle, wherein the apparatus operates to create said record by:
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a) receiving new data from the vehicle about its position; b) determining change between the new position of the vehicle and the position of the vehicle last recorded by the apparatus; c) determining elapsed time between when the vehicle was at the new position and when the vehicle was at the position last recorded by the apparatus; d) selecting the new data received in step a) for logging in step e) when said change in position in relation to said elapsed time exceeds predetermined parameters; e) logging data selected in step d) in said memory device; and f) repeating steps a) through e);
thereby creating said record of selected positional data. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 24)
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13. An apparatus comprising a microprocessor that is programmed to selectively cause positional data for a vehicle to be recorded by repeatedly:
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a) receiving new positional data from a global positioning system (GPS) receiver located in or around the vehicle; b) determining change in position between the new positional data and previous positional data about the vehicle last recorded by the apparatus; c) determining elapsed time between when the new positional data were obtained and when said last recorded positional data were obtained; d) determining change of the vehicle'"'"'s position as a function of the elapsed time; and e) in the event that a change of the vehicle'"'"'s position in relation to the elapsed time exceeds pre-determined parameters, causing such data to be recorded. - View Dependent Claims (14, 15, 16, 17, 18)
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19. An automated method for assembling a record of trip data for a vehicle, wherein said record comprises selected positional information about said vehicle, the method comprising repeatedly:
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a) receiving new positional data from a global positioning system (GPS) receiver located in or around the vehicle; b) having a microprocessor determine change in position between the new positional data and positional data about the vehicle that was last logged in the record; c) having a microprocessor determine elapsed time between when the new positional data and when the last logged positional data were obtained; and d) in the event that a change of the vehicle'"'"'s position in relation to the elapsed time exceeds pre-determined parameters, logging the new positional data in the record of trip data. - View Dependent Claims (20, 21, 22, 23)
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25. An apparatus for autonomously recording vehicular data including vehicular position/time data, said apparatus comprising:
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(a) a memory device for selectively logging a plurality of vehicular data points; and
,(b) a microprocessor that operates to compare a last logged vehicular position/time data point with subsequently received vehicular position/time data to calculate positional change over a corresponding intervening interval of elapsed time between said last logged data point and said subsequently received vehicular position/time data, wherein said memory device selectively logs vehicular data whenever said positional change in relation to said elapsed time exceeds predetermined parameters.
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Specification