Electric charge flow circuit for a time measurement
First Claim
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1. A circuit, comprising:
- a capacitive charge storage element having a first electrode connected to a floating node and a second electrode connected to a first voltage node; and
a charge flow circuit connected to the floating node, the charge flow circuit comprising a plurality of capacitive elements connected in series between the floating node and a second voltage node,wherein the capacitive charge storage element has a larger charge retention capacitance than the charge flow circuit.
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Abstract
A charge flow circuit for a time measurement, including a plurality of elementary capacitive elements electrically in series, each elementary capacitive element leaking through its dielectric space.
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Citations
26 Claims
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1. A circuit, comprising:
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a capacitive charge storage element having a first electrode connected to a floating node and a second electrode connected to a first voltage node; and a charge flow circuit connected to the floating node, the charge flow circuit comprising a plurality of capacitive elements connected in series between the floating node and a second voltage node, wherein the capacitive charge storage element has a larger charge retention capacitance than the charge flow circuit. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A circuit, comprising:
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a capacitive charge storage element having a first electrode connected to a floating node; a charge flow circuit connected to the floating node, the charge flow circuit comprising a plurality of series-connected capacitive elements, wherein the capacitive charge storage element has a larger charge retention capacitance than the charge flow circuit; and a comparator connected to each node connected to two successive ones of the series-connected capacitive elements of the charge flow circuit, wherein each comparator is configured to compare the voltage of the respective node with a threshold value. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A circuit, comprising:
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a capacitive charge storage element having a first electrode connected to a floating node; and a charge flow circuit connected to the floating node, the charge flow circuit comprising a plurality of elementary capacitive elements electrically in series, each elementary capacitive element leaking through its dielectric space, wherein each elementary capacitive element is formed by a stack of a first electrode, a dielectric layer and a second electrode, wherein the dielectric layer is configured to permit charge flow by tunnel effect. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
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Specification