PROGRAMMABLE LIGHT EMITTING DIODE (LED) DRIVER TECHNIQUE BASED UPON AN INPUT VOLTAGE SIGNAL
First Claim
Patent Images
1. A light emitting diode (LED) driver, comprising:
- an amplifier configured to receive a negative voltage input signal and produce a positive voltage output signal in response thereto;
a microcontroller configured for sensing a value of the positive voltage output signal;
wherein the microcontroller (i) enters a programming mode when the value exceeds a threshold and (ii) produces an output current responsive to the value.
11 Assignments
0 Petitions
Accused Products
Abstract
Provided is an LED driver including an amplifier configured to receive a negative voltage input signal and produce a positive voltage output signal in response thereto. Also included is a microcontroller configured for sensing a value of the positive voltage output signal. The microcontroller (i) enters a programming mode when the value exceeds a threshold and (ii) produces an output current responsive to the value.
18 Citations
20 Claims
-
1. A light emitting diode (LED) driver, comprising:
-
an amplifier configured to receive a negative voltage input signal and produce a positive voltage output signal in response thereto; a microcontroller configured for sensing a value of the positive voltage output signal; wherein the microcontroller (i) enters a programming mode when the value exceeds a threshold and (ii) produces an output current responsive to the value. - View Dependent Claims (2, 3, 4, 5, 6, 7)
-
-
8. A method of programming a light emitting diode (LED) driver including an amplifier and a microcontroller configured for sensing an output of amplifier, the method comprising:
-
receiving a negative voltage signal as an input to the amplifier, the amplifier producing a positive voltage output signal in response thereto; and sensing, in the microcontroller, a value of positive voltage output signal; wherein the microcontroller (i) enters a programming mode when the value exceeds a threshold and (ii) produces an output current responsive to the value. - View Dependent Claims (9, 10, 11, 12, 13)
-
-
14. A tangible computer readable media storing instructions wherein said instructions when executed are configured to execute processes within a computer system, with a method comprising:
-
receiving a negative voltage signal as an input to the amplifier, the amplifier producing a positive voltage output signal in response thereto; and sensing, in the microcontroller, a value of positive voltage output signal; wherein the microcontroller (i) enters a programming mode when the value exceeds a threshold and (ii) produces an output current responsive to the value. - View Dependent Claims (15, 16, 17, 18, 19, 20)
-
Specification