Back to results
US 11,775,253 B2Granted
User-tracking system
OwnerShravan S. Chengalva, Aditya K. Chengalva +1inventors
InventorsShravan S. Chengalva, Aditya K. Chengalva, Anupama Chengalva
Life of this patent
Estimating the term…
Abstract
A system for tracking a user. In some embodiments, the system includes a user-tracking circuit, configured to determine a direction to the user, and a pointing control circuit, for causing a payload to be aimed based on the direction to the user.
Claims18
A system, comprising:
- a user-tracking circuit, configured to determine a direction to a first user;
- and
- a pointing control circuit, for causing a payload to be aimed based on the direction to the first user, wherein the pointing control circuit is configured:
- to cause a clutch to engage and to cause the payload to oscillate when a difference between the direction to the first user and the current direction in which the payload is aimed exceeds a first threshold, and
- to cause the clutch to disengage when the difference between the direction to the first user and the current direction in which the payload is aimed falls below a second threshold.
2 more elements
A system, comprising:
- a fan comprising a fan motor and a fan blade;
- a user-tracking circuit;
- a pointing control circuit;
- a pointing control actuator;
- a clutch;
- a clutch control actuator;
- a worm gear drive;
- and
- a user device;
- wherein:
- the user device is configured to emit a first signal to the user-tracking circuit;
- the user-tracking circuit is configured:
- to detect the first signal from the user device,
- to determine a direction of a first user, and
- to transmit a difference between the direction to the first user and a current direction in which the fan is aimed to the pointing control circuit,
- to adjust a speed of the fan, in increments, based on a distance to the first user, and
- to reduce a level of operation of the fan when no signal is detected from the user device;
- the fan motor is connected, through the clutch, to the worm gear drive;
- an output of the worm gear drive is connected, through a first linkage, to the fan;
- the clutch control actuator comprises a first gear motor connected to the clutch by a second linkage;
- the pointing control circuit is electrically connected to the clutch control actuator and configured:
- to cause the clutch control actuator to cause the clutch to engage and to cause the fan to oscillate when the difference between the direction to the first user and the current direction in which the fan is aimed exceeds a first threshold, and
- to cause the clutch control actuator to cause the clutch to disengage when the difference between the direction to the first user and the current direction in which the fan is aimed falls below a second threshold;
- and
- the pointing control actuator comprises a second gear motor configured rotate the fan in elevation.
22 more elements
Dependencies are inferred from the claim text.