Method for Determining Spin of a Projectile
US-2024427003-A1 · Dec 26, 2024 · US
US9289670B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9289670-B2 |
| Application number | US-201113100162-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 3, 2011 |
| Priority date | Jul 31, 2009 |
| Publication date | Mar 22, 2016 |
| Grant date | Mar 22, 2016 |
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The present invention relates to a method for conserving battery power during shipping for an impact activated device for transmitting a radiofrequency signal. The method comprises forming an impact activated device for transmitting a radiofrequency signal. The shot tracking device is shipped in commerce and received at a retailer. The shot tracking device is stored at the retailer, wherein the battery has at least 90% of its capacity until paired with a receiver.
Opening claim text (preview).
We claim as our invention the following: 1. A method for conserving battery power during shipping for an impact activated device for transmitting a radiofrequency signal, the method comprising: forming an impact activated device comprising a battery having no more than 225 milli-amp hours of power, a microprocessor in electrical communication with the battery, the microprocessor operating during a sleep mode, a sampling mode, an analysis mode, a monitoring mode and a transmission mode, a motion activation component, and a radiofrequency component in electrical communication with the microprocessor, the radiofrequency component only operable during a transmission mode, wherein the shot tracking device only operates in the sleep mode and the sampling mode until the shot tracking device is paired with a receiver; shipping the shot tracking device in commerce; receiving the shot tracking device at a retailer; and storing the shot tracking device at the retailer, wherein the battery has at least 90% of its capacity until paired with a receiver. 2. The method for conserving battery power according to claim 1 wherein the device further comprises a multi-axis accelerometer for determining movement, monitoring movement and communicating the movement to the microprocessor, the multi-axis accelerometer in electrical communication with the microprocessor, the power for the multi-axis accelerometer drawn from the battery, the multi-axis accelerometer only active during the sampling mode, the analysis mode and the monitoring mode. 3. The method for conserving battery power according to claim 1 wherein the device comprises a housing composed of a polymer material, the housing having a main body and a projection body extending from the main body, the projection body having a length ranging from 1 mm to 5 mm and a diameter ranging from 20 mm to 25 mm. 4. The method for conserving battery power according to claim 1 wherein the radiofrequency component operates at 2.4 giga-Hertz, the power for the radiofrequency component being drawn from the battery. 5. The method for conserving battery power according to claim 1 wherein the sleep mode has a time period ranging from 10 seconds to 30 seconds. 6. The method for conserving battery power according to claim 1 wherein the device consumes less than 600 nano-amps during the sleep mode. 7. The method for conserving battery power according to claim 2 wherein a signal is transmitted from the radiofrequency component during the transmission mode, the signal comprising data related to the movement monitored by the multi-axis accelerometer. 8. A method for conserving battery power during shipping for an impact activated device for transmitting a radiofrequency signal, the method comprising: forming an impact activated device comprising a housing composed of a polymer material, the housing having a main body and a projection body extending from the main body, the projection body having a length ranging from 1 mm to 5 mm and a diameter ranging from 20 mm to 25 mm, a battery having no more than 225 milli-amp hours of power, a microprocessor in electrical communication with the battery, the microprocessor operating during a sleep mode, a sampling mode, an analysis mode, a monitoring mode and a transmission mode, the sleep mode having a time period ranging from 10 seconds to 30 seconds, a motion activation component, and a radiofrequency component in electrical communication with the microprocessor, the radiofrequency component only operable during a transmission mode, wherein the shot tracking device only operates in the sleep mode and the sampling mode until the shot tracking device is paired with a receiver; shipping the shot tracking device in commerce; receiving the shot tracking device at a retailer; and storing the shot tracking device at the retailer, wherein the battery has at least 90% of its capacity until paired with a receiver. 9. The method for conserving battery power according to claim 8 wherein the device consumes less than 600 nano-amps during the sleep mode. 10. The method for conserving battery power according to claim 8 wherein the device consumes less than 50 micro-amps during the analysis mode. 11. The method for conserving battery power according to claim 8 wherein the device consumes less than 200 micro-amps during the monitoring mode. 12. The method for conserving battery power according to claim 8 wherein the device consumes less than 12 milli-amps during the analysis mode. 13. The method for conserving battery power according to claim 8 wherein the radiofrequency component operates at 2.4 giga-Hertz, the power for the radiofrequency component being drawn from the battery. 14. The method for conserving battery power according to claim 8 wherein the device further comprises a multi-axis accelerometer for determining movement, monitoring movement and communicating the movement to the microprocessor, the multi-axis accelerometer in electrical communication with the microprocessor, the power for the multi-axis accelerometer drawn from the battery, the multi-axis accelerometer only active during the sampling mode, the analysis mode and the monitoring mode.
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