Patent ID: 11971505
Assignee: STMICROELECTRONICS (GRENOBLE 2) SAS
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 15:
16. The time-of-flight system of claim 15, further comprising:
a second counter configured to increment a second count each time a second-counter increment command is received, the second counter being configured to decrement the second count each time a second-counter decrement command is received; and
the gate circuit comprising a third state and a fourth state, wherein the gate circuit transmits the second-counter increment command to the second counter in response to receiving the photon-detection alert, and wherein the gate circuit transmits the second-counter decrement command to the second counter in response to receiving the photon-detection alert,
wherein the control signal sets the gate circuit to the third state after a passage of a third-state delay determined in accordance with the second count and the first count, the third-state delay measured from the time of the optical-emission time, and
wherein the control signal sets the gate circuit to the fourth state after a passage of a fourth-state delay determined in accordance with the second count and the first count, the fourth-state delay measured from the time of the optical-emission time.