UNIVERSAL SIGNAL PROCESSING SYSTEM AND METHOD

• US 20160226369A1
• Filed: 11/24/2015
• Published: 08/04/2016
• Est. Priority Date: 01/29/2015
• Status: Active Grant

• Current Assignee: Delta Systems Inc.
• Original Assignee: Delta Systems Inc.
• Inventors: McMahon, Michael, Kirbawy, Isaac
• Granted Patent: US 9,917,502 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: B60K 35/00 Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
• CPC Class Codes: F02D 2041/228 Warning displays
• CPC Class Codes: F02D 41/02 Circuit arrangements for generating control signals
• CPC Class Codes: F02N 11/0848 with means for detecting successful engine start, e.g. to stop starter actuation
• CPC Class Codes: H02M 1/0003 Details of control, feedback or regulation circuits
• CPC Class Codes: H02M 1/14 Arrangements for reducing ripples from dc input or output
• CPC Class Codes: H02M 7/219 in a bridge configuration

Abstract

One aspect of the present disclosure can include an electronic signal processing system and method used in a control system (e.g., for hour meter functionality, intelligent start/stop functionality, etc.). The system can include a rectifier component to receive a voltage input from an operation source during use. The voltage input can indicate that an engine is running. The rectifier component to convert the voltage input to a positive voltage input. The system can also include a constant current component to receive the positive voltage input from the rectifier circuit and to control a current based on the positive voltage input. The system can also include an optical component to provide an output based on the current and to communicate the output to a microcontroller during use of the operation source. For example, electronic signal processing methods and apparatuses are also described.

Claims

1. An electronic signal processing system, comprising:

a rectifier component to receive a voltage input from an operation source during use, the voltage input indicating an engine is running, and to convert the voltage input to a positive voltage input;

a constant current component to receive the positive voltage input from the rectifier circuit and to control a current based on the positive voltage input; and

an optical component to provide an output based on the current and to communicate the output to a microcontroller during the use of the operation source.

2. The electronic signal processing system of claim 1, wherein the optical component comprises:

a light emitting diode (LED) to receive the current and to emit light based on the current; and

an optical detector to detect the light emitted by the LED and to communicate the output based on the light emitted by the LED to the microcontroller during use of the operation source.

3. The electronic signal processing system of claim 2, wherein the optical component isolates a battery ground from the intersection between the constant current component and the LED.

4. The system of claim 1, further comprising a filter component to remove noise from the output that is communicated to the microcontroller.

5. The system of claim 1, wherein the rectifier component comprises a bridge rectifier circuit comprising a plurality of diodes.

6. The system of claim 1, wherein the constant current component comprises a Zener diode, at least two resistors, and at least one transistor.

7. The system of claim 1, wherein the operation source further comprises at least one of an electronic fuel pump, an electronic fuel injector, a magneto, and a signal from an electronic control unit.

8. The system of claim 1, wherein the voltage input comprises at least one of a positive high voltage, a negative high voltage, a positive low voltage, and a negative low voltage.

9. The system of claim 1, wherein the voltage input is at least one of a pulsed voltage or a constant voltage.

10. A method comprising:

receiving, at a rectifier component of a circuit, a voltage input from an operation source during use, the voltage input indicating an engine is running;

converting, by the rectifier component, the voltage input to a positive voltage input;

controlling, by a constant current component of the circuit, a current provided to an optical component of the circuit based on the positive voltage input;

providing, by the optical component, an output based on the current; and

communicating, by the optical component, the output to a microcontroller during use of the operation source.

11. The method of claim 10, wherein the communicating further comprises:

receiving, by a light emitting diode (LED) of the optical component, the current;

emitting, by the LED, light based on the current;

detecting, by an optical detector of the optical component, the light emitted by the LED; and

providing, by the optical detector, a signal based on the light emitted by the LED.

12. The method of claim 10, further comprising isolating, by the optical component, a battery ground, from the constant current component.

13. The method of claim 10, further comprising removing, by a filter component of the circuit, noise from the output that is communicated to the microcontroller.

14. The method of claim 10, wherein the voltage input comprises a negative voltage or a positive voltage.

15. An electronic signal processing device comprising:

a rectifier component to receive a voltage input from an operation source during use, the voltage input indicating an engine is running, and when the voltage input is negative voltage, the rectifier component converting the negative voltage to a positive voltage input and when the voltage input indicating the engine is running is a positive voltage input, transferring the positive voltage input a constant current component;

the constant current component to receive the positive voltage input from the rectifier circuit and to control a current based on the positive voltage input; and

an optical component to provide an output based on the current and to communicate the output to a microcontroller during the use of the operation source.

16. The electrical signal processing device of claim 15, wherein the rectifier component comprises a bridge rectifier circuit comprising a plurality of diodes.

17. The electrical signal processing device of claim 15, wherein the constant current component comprises a Zener diode, at least two resistors, and at least one transistor.

18. The electrical signal processing device of claim 15, wherein the optical component comprises:

a light emitting diode (LED) to receive the current and emits light based on the current; and

an optical detector to detect the light emitted by the LED and to send the output based on the light emitted by the LED to the microcontroller during the use of the operation source.

19. The electrical signal processing device of claim 18, wherein the optical component isolates a battery ground from the intersection between the constant current component and the LED.

20. The electrical signal processing device of claim 15, wherein the voltage input comprises at least one of a positive high voltage, a negative high voltage, a positive low voltage, and a negative low voltage.