Integrated low power depth camera and projection device

A video projector device, comprising:

• a light source which emits visible light;
• a driver which drives the light source;
• at least one optical component which projects the modulated visible light in a field of view;
• a sensor which senses visible light, including visible light which is reflected from at least one object in the field of view, the sensor comprises a plurality of pixels;
• and
• at least one control circuit which provides a gated sub-frame in which the light source is driven in a pulsed mode so that pulsed visible light is emitted while the sensor is operated in a gated mode, followed by no visible light being emitted while the sensor is read to obtain light intensity values, where the at least one control circuit derives depth data regarding the at least one object in the field of view based on the light intensity values, using a time-of-flight principle.

A video projector device, comprising:

• a light source which emits visible light;
• a driver which drives the light source;
• at least one optical component which projects the visible light in a field of view;
• a sensor which senses visible light, including visible light which is reflected from at least one object in the field of view, the sensor comprises a plurality of pixels;
• and
• at least one control circuit which provides, at different times:
• (a) a depth-sensing frame in which the at least one control circuit derives depth data regarding the at least one object in the field of view based on light intensity values which are read from the sensor, using a time-of-flight principle, and (b) a non-depth-sensing frame in which the at least one control circuit does not derive depth data regarding the at least one object in the field of view.