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Method and apparatus for determining orientation and position of a moveable object

Inactive Publication Date: 2005-02-10
FORTESCUE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0009] In one aspect, the present invention provides for an intelligent golf club that provides golfers with real-time, precise and dynamically presented data, including swing analysis. A golfer takes a swing and a detailed analysis of club motion, launch conditions, club speed information, as well as contextual feedback is automatically downloaded into a computer system (including PDA, cellular phone, or over a network) for processing and display.

Problems solved by technology

Historically, the use of these sensors have been limited to large devices due to the weight and bulk of the sensors.
Such acceleration sensors can provide rotational information about the golf club, but the accuracy of such rotational information can be problematic.

Method used

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  • Method and apparatus for determining orientation and position of a moveable object
  • Method and apparatus for determining orientation and position of a moveable object
  • Method and apparatus for determining orientation and position of a moveable object

Examples

Experimental program
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example 1

[0031]FIG. 5 is a detailed data flow model of device 110 utilizing the orientation and position tracking system 10 according to one embodiment of the invention. FIG. 6 is a flow chart 200 of the operational software for a motion and position sensing device installed on a moveable object according to the embodiment of the invention. The system is initialized and the LED provides a visual cue that the system is operational. The system software controls the identification of a user, the sampling of inputs and the encoding and sending of data concerning orientation and position information. The hardware device need not have an on-board memory for storing the orientation and position information. Instead, the information is transmitted in real-time to a data reception system, for example a PC, PDA, cellular phone, or network.

[0032] The real time, wireless motion and position sensing system operates in three-dimensional space and over time based on four modules: the sensor module, the mi...

example 2

[0044]FIG. 7 is a flow chart 300 of the operational software installed on a computer system for processing and presenting orientation and position information according to one embodiment of the invention. The operational steps of the software will now be described in detail.

[0045] 1) Initialize Variables

[0046] As soon as the software program starts, a number of variables are named and allocated in memory for the program to store and access information. These initial variables are split into three major categories (with other supporting categories): main class variables, sensor variables, and 3D model variables.

[0047] 2) Receive Packet

[0048] The software program is constantly processing bytes of data as they stream into the computer system. The software program looks for packets of appropriately formatted data, and sends them to the next step in the program.

[0049] 3) Error Check Packet

[0050] Before each packet is passed on to the next step in the program, the software program e...

example 3

[0063] The operational steps for using an iClub system according to the present invention are described below:

[0064] Step 1:

[0065] Take a swing. The iClub does not even need to be manually activated and is smart enough to activate based on the motion of the swing. Waggle or warm-up the golf club as normal; the iClub is intelligent and can sense a real swing versus your warm up.

[0066] Step 2:

[0067] After you have swung the iClub, data is wirelessly transmitted to your hand held laptop, cell phone or other electronic device. There you can view real-time swing properties and gain feedback on your swing. If you would rather wait until later to view your results, go ahead, your feedback will be waiting for you whenever you want it.

[0068] Step 3:

[0069] If you happen to be connected to the Internet while at the golf course, you can gain valuable real-time analysis from our on-line swing engine which, among other things, is capable of correlating your long-term swing history with your...

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PUM

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Abstract

An orientation and position tracking system in three-dimensional space and over a period of time utilizing multiple inertial and other sensors for determining motion parameters to measure orientation and position of a moveable object. The sensors, for example vibrational and angular velocity sensors, generate signals characterizing the motion of the moveable object. The information is received by a data acquisition system and processed by a microcontroller. The data is then transmitted via wireless communication to an external data reception system (locally based or a global network). The information can then be displayed and presented to the user through a variety of means including audio, visual, and tactile.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS [0001] The present application claims priority to U.S. Provisional Application No. 60 / 435,183, filed Dec. 19, 2002, which is incorporated herein by reference.FIELD OF THE INVENTION [0002] The present invention relates to motion tracking systems and more particularly to a method and apparatus for determining position and orientation of one or more moveable object(s). BACKGROUND OF THE INVENTION [0003] Technologies are known for determining and analyzing object motion through transmission of position and orientation information of the object to a processing system. Such technologies are utilized today in a variety of industries including navigation and entertainment. (See, for example, U.S. Pat. Nos. 6,001,014 to Ogata, et al.; U.S. Pat. No. 5,903,228 to Ohgaki, et al.; and U.S. Pat. No. 5,875,257 to Marrin, et al.; the teachings of all of which are incorporated herein by reference). In particular, wireless transmission of object motion data for...

Claims

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Application Information

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IPC IPC(8): A63B24/00A63B69/00A63B69/36G01C21/16G01P15/00
CPCA63B69/00G01P15/00A63B69/36A63B69/3632A63B69/3685A63B69/38A63B2069/0008A63B2220/12A63B2220/16A63B2220/40A63B2220/803A63B2220/833A63B2225/50G01C21/16A63B69/0024
Inventor MAHAJAN, SATAYANGERASIMOV, VADIMMEHTA, ARUNLAVALLEY, ZACHERY
Owner FORTESCUE CORP
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