IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0750374
(2003-12-31)
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등록번호 |
US-7280340
(2007-10-09)
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발명자
/ 주소 |
- Smith,Patrick W.
- Nerheim,Magne H.
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출원인 / 주소 |
- TASER International, Inc.
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인용정보 |
피인용 횟수 :
27 인용 특허 :
5 |
초록
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Systems and methods for immobilizing a target such as a human or animal with a stimulus signal coupled to the target via electrodes provide the stimulus signal in accordance with a strike stage, a hold stage, and a rest stage. Systems include a launch device and separate projectile, where the projec
Systems and methods for immobilizing a target such as a human or animal with a stimulus signal coupled to the target via electrodes provide the stimulus signal in accordance with a strike stage, a hold stage, and a rest stage. Systems include a launch device and separate projectile, where the projectile includes a battery, a waveform generator, and electrodes. The strike stage and hold stage may include pulses at a pulse repetition rate, for example, from 10 to 20 pulses per second, each pulse delivering a predetermined amount of charge, for example, about 100 microcoulombs at less than about 500 volts peak. The hold stage may continue immobilization at a lesser expenditure of energy compared to the strike stage. Because the strike stage and hold stage may immobilize by interfering with skeletal muscle control by the target's nervous system, a rest stage may allow the target to take a breath.
대표청구항
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What is claimed is: 1. A method, performed by an apparatus, the apparatus for interfering with locomotion of a target by conducting a current through the target, the method comprising: providing a first pulse of the current, the first pulse having a first voltage; monitoring the provision of the fi
What is claimed is: 1. A method, performed by an apparatus, the apparatus for interfering with locomotion of a target by conducting a current through the target, the method comprising: providing a first pulse of the current, the first pulse having a first voltage; monitoring the provision of the first pulse; and providing a second pulse of the current, the second pulse having a second voltage, the second voltage responsive to a result of monitoring and sufficient to ionize air in a gap in series with the target. 2. The method of claim 1 wherein monitoring comprises determining whether a charge greater than a threshold amount was output from the apparatus during provision of the first pulse. 3. The method of claim 1 wherein monitoring further comprises determining whether the current was provided into an impedance having a magnitude less than a threshold amount. 4. The method of claim 1 wherein monitoring further comprises determining whether the current accomplished ionization of air in a gap in series with the target. 5. The method of claim 1 wherein: providing the first pulse comprises storing energy in a capacitance; and monitoring further comprises detecting a decrease in an energy stored in the capacitance. 6. The method of claim 1 wherein providing the first pulse comprises providing the first voltage sufficient to ionize air in a gap in series with the target. 7. The method of claim 1 wherein the first voltage is a peak voltage. 8. A method, performed by an apparatus, the apparatus for interfering with locomotion of a target by conducting a current through the target, the method comprising: using a first voltage to test whether a path exists, the path having an impedance less than a threshold, the path to provide the current; if the path exists, providing the current, the current having a second voltage not greater than the first voltage; and otherwise, using a third voltage to provide at least a portion of the current, wherein the third voltage is sufficient to form the path. 9. The method of claim 6 further comprising propelling a plurality of electrodes toward the target, the electrodes at least for testing the existence of the path. 10. The method of claim 6 wherein using is repeated to obtain an average, the average indicating whether the path exists. 11. The method of claim 6 wherein: the method further comprises storing energy in a capacitance; and using comprises sourcing the first voltage from the energy stored in the capacitance and detecting a decrease in the energy stored in the capacitance. 12. An apparatus for interfering with locomotion of a target by conducting a current through the target, the apparatus comprising: a circuit that provides the current, the current comprising a path testing stage and a first stage, wherein during the first stage the target's voluntary locomotion is halted as a consequence of contractions of the skeletal muscles of the target responsive to the current; and a processor that controls the circuit, wherein at least a portion of the path testing stage is concurrent with at least a portion of the first stage. 13. The apparatus of claim 12 wherein: the current further comprises a path formation stage; and at least a portion of the path testing stage is concurrent with at least a portion of the path formation stage. 14. The apparatus of claim 12 wherein: the current further comprising a second stage; a first power consumption of the first stage is greater than a second power consumption of the second stage; and at least a portion of the path testing stage is concurrent with at least a portion of the second stage. 15. The apparatus of claim 12 wherein the circuit comprises a capacitance, and the current is responsive to a discharge of the capacitance. 16. The apparatus of claim 12 wherein the circuit provides the current at a voltage in a range of about 100 volts to about 50,000 volts. 17. The apparatus of claim 12 wherein path testing stage has a duration in a range of about 10 microseconds to about 500 microseconds. 18. The apparatus of claim 12 wherein the circuit provides the current comprising a plurality of pulses, wherein each pulse of the plurality of pulses comprises a path testing stage. 19. The apparatus of claim 18 wherein a pulse comprises current of both polarities. 20. The apparatus of claim 12 wherein the processor meters a charge of the current. 21. The apparatus of claim 20 wherein the processor interrupts the first stage in response to determining that the path has failed. 22. The apparatus of claim 20 wherein the charge is in a range of about 50 microcoulombs to about 150 microcoulombs. 23. The apparatus of claim 12 wherein the path testing stage is substantially accomplished at a stimulus peak voltage. 24. The apparatus of claim 23 wherein the stimulus peak voltage is in a range of about 100 volts to about 50,000 volts. 25. The apparatus of claim 12 wherein the path testing stage is substantially accomplished at a first voltage and the first stage is substantially accomplished at a second voltage. 26. The apparatus of claim 25 wherein the first voltage is greater than the second voltage. 27. The apparatus of claim 25 wherein the first voltage is less than the second voltage. 28. A method, performed by an apparatus, the apparatus for interfering with locomotion of a target by conducting a current through the target, the method comprising: providing a first pulse of the current, the first pulse having a first voltage; monitoring the provision of the first pulse; and providing a second pulse of the current, the second pulse having a second voltage, the second voltage responsive to a result of monitoring and greater than the first voltage. 29. The method of claim 28 wherein monitoring comprises determining whether a charge greater than a threshold amount was output from the apparatus during provision of the first pulse. 30. The method of claim 28 wherein monitoring further comprises determining whether the current was provided into an impedance having a magnitude less than a threshold amount. 31. The method of claim 28 wherein monitoring further comprises determining whether the current accomplished ionization of air in a gap in series with the target. 32. The method of claim 28 wherein: providing the first pulse comprises storing energy in a capacitance; and monitoring further comprises detecting a decrease in an energy stored in the capacitance.
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