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US 11,125,863 B2Granted
Correction device, correction method, and distance measuring device
AssigneeSony Corporation
InventorsToyoharu Oohata, Takahiro Koyama, Tomoki Ono
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Abstract
A correction device including a photon number counting unit that counts a photon number on the basis of an output signal output from a light receiving unit, a correction value acquiring unit that acquires a correction value corresponding to the photon number, and a correction unit that performs correction based on the correction value.
Claims13
A correction device, comprising:
- circuitry configured to:
- count a photon number based on an output signal from a light receiving unit, wherein
- the circuitry includes an integration circuit, and
- the integration circuit is configured to count the photon number based on an integrated value of a peak voltage of the output signal;
- acquire a temporal shift amount corresponding to the photon number, wherein the acquired temporal shift amount is with respect to a timing of the output signal;
- and
- perform a correction process based on the acquired temporal shift amount.
4 more elements
A correction method, comprising:
- counting, by circuitry, a photon number based on an output signal from a light receiving unit, wherein the circuitry includes an integration circuit;
- counting, by the integration circuit, the photon number based on an integrated value of a peak voltage of the output signal;
- acquiring, by the circuitry, a temporal shift amount corresponding to the photon number, wherein the acquired temporal shift amount is with respect to a timing of the output signal;
- and
- performing, by the circuitry, a correction process based on the acquired temporal shift amount.
2 more elements
A distance measuring device, comprising:
- circuitry configured to:
- count a photon number based on an output signal from a light receiving unit, wherein
- the circuitry includes an integration circuit, and
- the integration circuit is configured to count the photon number based on an integrated value of a peak voltage of the output signal;
- acquire a temporal shift amount corresponding to the photon number, wherein the acquired temporal shift amount is with respect to a timing of the output signal;
- perform a correction process based on the acquired temporal shift amount;
- and
- calculate a distance to a distance measurement target based on a result of the correction process.
5 more elements
Dependencies are inferred from the claim text.