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US 12,417,670 B2Granted
Touchless computer interfaces
OwnerChristina Lynn Lemons, Matthew Craig Spencerinventors
Life of this patent
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Abstract
This application is directed to touchless interfaces. Some embodiments disclosed are directed to plug and play replacements for casino gaming machine touch-based interfaces on, e.g., slot machines. Existing slot machine interfaces can be replaced with touchless interfaces of the inventive subject matter to enable touchless interaction with gaming machines. This allows people in casinos to minimize contact with gaming machines to stymy the spread of diseases like COVID-19.
Claims14
A touchless user interface comprising:
- a first sensor, comprising a first light emitting diode and a first photodiode;
- a first sensor signal conditioning unit coupled to the first sensor and configured to raise a first sensor output signal HIGH when the first photodiode detects a light pulse of sufficient intensity emitted by the first light emitting diode and reflected off an object;
- a switch;
- a microcontroller comprising a timer, coupled to the first sensor signal conditioning unit and the switch, wherein the microcontroller comprises programmable logic to perform the following operations:
- (1) when the first sensor output signal is HIGH, begin the timer;
- (2) when a pre-specified amount of time has elapsed as indicated by the timer, set the switch to an ON configuration;
- a second sensor comprising a second light emitting diode, a second photodiode, a high-precision timer, and a sensor microcontroller, wherein the sensor microcontroller is configured to determine a distance of an object detected by a light pulse received by the second photodiode after emission by the second light emitting diode using the high-precision timer, wherein the microcontroller is coupled to the second sensor via a second sensor interface and is configured to begin the timer at step 1 when both the first sensor output signal is HIGH and the second sensor interface indicates an object has been detected within a threshold distance.
4 more elements
A touchless user interface comprising:
- a first sensor, comprising a first light emitting diode and a first photodiode;
- a first sensor signal conditioning unit coupled to the first sensor and configured to raise a first sensor output signal HIGH when the first photodiode detects a light pulse emitted by the first light emitting diode and reflected off an object within a range;
- a second sensor, comprising a second light emitting diode, a second photodiode, a high-precision timer, and a sensor microcontroller, wherein the sensor microcontroller is configured to determine a distance of an object detected by a light pulse received by the second photodiode after emission by the second light emitting diode using the high-precision timer;
- a switch;
- a first visual light emitting diode;
- a second visual light emitting diode;
- a microcontroller comprising a timer, coupled to the first sensor signal conditioning unit, the second sensor, the switch, the first visual light emitting diode, and the second visual light emitting diode, wherein the microcontroller is configured to perform the following operations:
- (1) when the first sensor output signal is HIGH and the second sensor output indicates an object has been detected below a pre-specified threshold distance, begin the timer;
- (2) when a pre-specified amount of time has elapsed as indicated by the timer, set the switch to an ON configuration.
6 more elements
A touchless user interface comprising:
- a first sensor, comprising a first light emitting diode, a first photodiode, a high-precision timer, and a sensor microcontroller, wherein the sensor microcontroller comprises programmable logic to determine a distance of an object detected by a light pulse received by the first photodiode after emission by the first light emitting diode using the high-precision timer;
- a switch;
- a microcontroller comprising a timer, coupled to the first sensor and the switch, wherein the microcontroller is configured to perform the following operations:
- (1) when the first sensor output signal indicates the distance of a detected object is below a threshold distance, begin the timer;
- (2) when a pre-specified amount of time has elapsed as indicated by the timer, set the switch to an ON configuration.
2 more elements
Dependencies are inferred from the claim text.