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US 9,854,227 B2Granted
Depth sensor
OwnerDavid G Grossman, Kenneth J Hintzinventors
Life of this patent
Estimating the term…
Abstract
A depth sensor comprises at least one imaging sensor, at least one multifocal lens, and a focus analyzer. The depth sensor analyzes the in-focus status of electromagnetic radiation, directed by the multifocal lens(es) onto sensing zone(s) of the imaging sensor(s) from spatial zone(s) in a measurement field, to detect the presence of object(s) in the spatial zone(s).
Claims20
An apparatus, comprising:
- a. an imaging sensor configured to produce at least one measurement of each of at least two distinct sensing zones on the imaging sensor, wherein each of the at least two distinct sensing zones comprises at least two pixels;
- b. at least one multifocal lens configured to direct electromagnetic radiation, from each of at least two distinct three-dimensional spatial zones, to at least one of the at least two distinct sensing zones;
- and
- c. a focus analyzer configured to process each of the at least one measurement to determine an in-focus status of at least one of the distinct sensing zones independent of the other distinct sensing zones.
1 more element
Dependencies are inferred from the claim text.