Photoelectric conversion device, photodetection system, movable object, and equipment
AssigneeCanon Kabushiki Kaisha
InventorYASUHARU OTA
Life of this patent
Estimating the term…
Abstract
A photoelectric conversion device includes a photon detection circuit configured to output a pulse signal in response to incidence of a photon, and a signal processing circuit connected to the photon detection circuit and including a plurality of counters configured to count the pulse signal. The signal processing circuit is configured to output a threshold value reaching signal when a count value of each of the plurality of counters reaches a predetermined threshold value, and the photon detection circuit is configured to stop outputting the pulse signal when receiving the threshold value reaching signal from each of the plurality of counters.
Claims19
A photoelectric conversion device comprising:
- a photon detection circuit configured to output a pulse signal in response to incidence of a photon;
- and
- a signal processing circuit connected to the photon detection circuit and including a plurality of counters configured to count the pulse signal,
- wherein the signal processing circuit is configured to output a threshold value reaching signal when a count value of each of the plurality of counters reaches a predetermined threshold value, and
- wherein the photon detection circuit is configured to stop outputting the pulse signal when receiving the threshold value reaching signal from each of the plurality of counters.
A photoelectric conversion device comprising:
- a plurality of photon detection circuits each configured to output a pulse signal in response to incidence of a photon;
- and
- a signal processing circuit including a plurality of counters provided corresponding to the plurality of photon detection circuits and each configured to count the pulse signal output from the corresponding photon detection circuit,
- wherein the signal processing circuit is configured to output a threshold value reaching signal when a count value of any of the plurality of counters reaches a predetermined threshold value, and
- wherein each of the plurality of photon detection circuits is configured to stop outputting the pulse signal in response to the threshold value reaching signal.
Dependencies are inferred from the claim text.