Portable GPS velosity/distance meter
First Claim
1. A portable GPS velocity/distance meter comprising:
- a GPS signal receiving section for receiving a GPS signal from a GPS satellite and outputting positional data including movement velocity data of a carrier of the GPS signal receiving section;
a microcomputer having a memory section for controlling the GPS signal receiving section and conducting calculations based on the positional data output by the GPS receiving section in accordance with a stored program;
an input section connected to the microcomputer for setting measurement conditions including a predetermined time interval between consecutive GPS signal receiving operations of the GPS signal receiving section; and
a display for displaying at least one of a movement velocity and a movement distance of the carrier of the GPS signal receiving section under control of the microcomputer;
wherein the microcomputer includes control means for controlling the GPS signal receiving section to intermittently receive the GPS signal and output the positional data at the predetermined time intervals and velocity averaging means for obtaining an average movement velocity of the carrier by averaging consecutive movement velocity data values.
2 Assignments
0 Petitions
Accused Products
Abstract
To provide a portable GPS velocity/distance meter which may seek a suitable movement velocity by removing an affect of arm swing, save power consumption of a device, and to grip a movement condition of a carrier at a remote position, it is composed of a GPS signal receiving portion for measuring the movement velocity from a Doppler frequency, a microcomputer, an input section for setting a control condition or the like and calculation of various data including positional interval data of the GPS signal receiving section, a display section for displaying the movement velocity or the like and a transmit-receive section. Then, the microcomputer is provided with a control unit for controlling the GPS signal receiving section to intermittently perform the positional operation on the basis of the positional measurement interval and a velocity averaging unit for averaging the movement velocity.
74 Citations
20 Claims
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1. A portable GPS velocity/distance meter comprising:
- a GPS signal receiving section for receiving a GPS signal from a GPS satellite and outputting positional data including movement velocity data of a carrier of the GPS signal receiving section;
a microcomputer having a memory section for controlling the GPS signal receiving section and conducting calculations based on the positional data output by the GPS receiving section in accordance with a stored program;
an input section connected to the microcomputer for setting measurement conditions including a predetermined time interval between consecutive GPS signal receiving operations of the GPS signal receiving section; and
a display for displaying at least one of a movement velocity and a movement distance of the carrier of the GPS signal receiving section under control of the microcomputer;
wherein the microcomputer includes control means for controlling the GPS signal receiving section to intermittently receive the GPS signal and output the positional data at the predetermined time intervals and velocity averaging means for obtaining an average movement velocity of the carrier by averaging consecutive movement velocity data values. - View Dependent Claims (4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
- a GPS signal receiving section for receiving a GPS signal from a GPS satellite and outputting positional data including movement velocity data of a carrier of the GPS signal receiving section;
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2. A portable GPS velocity/distance meter comprising:
- a GPS signal receiving section for receiving a GPS signal from a GPS satellite and outputting positional data including movement velocity data of a carrier of the GPS signal receiving section;
a microcomputer having a memory section for controlling the GPS signal receiving section and conducting calculations in accordance with a stored program;
an input section connected to the microcomputer for setting measurement conditions including a predetermined time interval between consecutive GPS signal receiving operations of the GPS signal receiving section; and
a display for displaying at least one of a movement velocity and a movement distance of the carrier of the GPS signal receiving section under control of the microcomputer; and
a transmit-receive section for connecting a remote supervising device and the microcomputer with each other in a wireless manner;
wherein the microcomputer includes control means for controlling the GPS signal receiving section to intermittently receive the GPS signal and output the positional data at the predetermined time intervals and velocity averaging means for obtaining an average movement velocity of the carrier by averaging consecutive movement velocity data values; and
the transmit-receive section includes means for transmitting data including at least one of a velocity and a movement distance of the carrier as calculated by the microcomputer to the remote supervising device. - View Dependent Claims (3, 5)
- a GPS signal receiving section for receiving a GPS signal from a GPS satellite and outputting positional data including movement velocity data of a carrier of the GPS signal receiving section;
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16. A portable GPS velocity/distance meter comprising:
- a GPS signal receiving section for receiving a GPS signal from a GPS satellite and outputting positional data including movement velocity of a carrier of the GPS signal receiving section;
a microcomputer having a memory section for controlling the GPS signal receiving section and calculating an average movement velocity of the carrier throughout a given movement distance or movement time by averaging a predetermined number of contiguous movement velocity data values output by the GPS signal receiving section; and
a display for displaying movement velocity and movement distance of the carrier under control of the microcomputer. - View Dependent Claims (17, 18, 19, 20)
- a GPS signal receiving section for receiving a GPS signal from a GPS satellite and outputting positional data including movement velocity of a carrier of the GPS signal receiving section;
Specification