Robot equipped with capacitive detection
AssigneeFogale Nanotech
InventorsDidier ROZIERE, Frédéric OSSART
Life of this patent
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Abstract
A robot includes a body on which is mounted a functional head also including a capacitive detector, including: at least one electrical insulator in order to electrically insulate the functional head; at least one apparatus for electrically polarizing the functional head at a first alternating electrical potential (Vg), different from a ground potential; at least one guard polarized at an alternating guard potential (VG) identical to the first alternating electrical potential; and at least one electronics, called detection electronics, for measuring a signal relating to a coupling capacitance, called electrode-object capacitance, between the sensitive part and a surrounding object.
Claims16
A robot comprising:
- a body on which is mounted, in particular in a removable or detachable, or even interchangeable manner;
- a functional head forming a tool, or a tool-holder;
- said robot also comprising capacitive detection means comprising:
- at least one electrical insulator in order to electrically insulate at least one part, called sensitive part, of said functional head from the rest of said robot;
- at least one means for electrically polarizing said sensitive part by a first alternating electrical potential (Vg), different from a ground potential;
- at least one guard polarized at a second alternating potential (VG), called guard potential, identical or substantially identical to the first alternating electrical potential (VG) at a given working frequency, in order to electrically guard said sensitive part;
- and
- at least one electronics, called detection electronics, for measuring a signal relating to a coupling capacitance, called electrode-object capacitance, between said sensitive part and a surrounding object.
Dependencies are inferred from the claim text.