LCQ POSITION MARKERS
The present disclosure relates to device tracking. Described is an improved passive marker device (10). The passive marker device (10) comprises a coil element (12), a mechanical resonator (14), and a circuit element (16). The coil element is coupled to the mechanical resonator for producing a respo...
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| creator | GLEICH, Bernhard RAHMER, Juergen Erwin SCHMALE, Ingo |
| description | The present disclosure relates to device tracking. Described is an improved passive marker device (10). The passive marker device (10) comprises a coil element (12), a mechanical resonator (14), and a circuit element (16). The coil element is coupled to the mechanical resonator for producing a response signal having an operating frequency corresponding a mechanical resonating frequency of the mechanical resonator and a signal decay having a decay time constant in response to an excitation pulse, wherein the excitation pulse is a magnetic or electromagnetic excitation pulse. The circuit element is configured to limit a power transferred to the mechanical resonator when the at least one excitation pulse has an excitation amplitude equal to or greater than a threshold value. |
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The passive marker device (10) comprises a coil element (12), a mechanical resonator (14), and a circuit element (16). The coil element is coupled to the mechanical resonator for producing a response signal having an operating frequency corresponding a mechanical resonating frequency of the mechanical resonator and a signal decay having a decay time constant in response to an excitation pulse, wherein the excitation pulse is a magnetic or electromagnetic excitation pulse. 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Described is an improved passive marker device (10). The passive marker device (10) comprises a coil element (12), a mechanical resonator (14), and a circuit element (16). The coil element is coupled to the mechanical resonator for producing a response signal having an operating frequency corresponding a mechanical resonating frequency of the mechanical resonator and a signal decay having a decay time constant in response to an excitation pulse, wherein the excitation pulse is a magnetic or electromagnetic excitation pulse. The circuit element is configured to limit a power transferred to the mechanical resonator when the at least one excitation pulse has an excitation amplitude equal to or greater than a threshold value.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | DIAGNOSIS HUMAN NECESSITIES HYGIENE IDENTIFICATION MEDICAL OR VETERINARY SCIENCE SURGERY |
| title | LCQ POSITION MARKERS |
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