Waymo llc (20240275129). LASER PULSER CIRCUIT WITH TUNABLE TRANSMIT POWER simplified abstract
Contents
LASER PULSER CIRCUIT WITH TUNABLE TRANSMIT POWER
Organization Name
Inventor(s)
Joshua Jones of Mountain View CA (US)
Augusto Tazzoli of San Jose CA (US)
Pierre-yves Droz of Los Altos CA (US)
LASER PULSER CIRCUIT WITH TUNABLE TRANSMIT POWER - A simplified explanation of the abstract
This abstract first appeared for US patent application 20240275129 titled 'LASER PULSER CIRCUIT WITH TUNABLE TRANSMIT POWER
The method described in the abstract involves using a switching circuit to apply pulses of an input voltage to an inductor, charging a charge storage device through the inductor, and controlling the timing of the pulses based on parasitic inductance to control the charge voltage.
- The method charges a charge storage device through an inductor using pulses of an input voltage.
- It discharges the charge storage device to apply a portion of the charge voltage to a light emitter and another portion to parasitic inductance.
- A controller controls the timing of the pulses based on parasitic inductance from previous charging cycles to regulate the charge voltage.
Potential Applications: - Power electronics - LED lighting systems - Energy harvesting devices
Problems Solved: - Efficient energy transfer - Control of charge voltage - Reduction of parasitic inductance effects
Benefits: - Improved energy efficiency - Enhanced control over lighting systems - Minimized losses due to parasitic inductance
Commercial Applications: Title: "Advanced Energy Transfer System for LED Lighting" This technology can be utilized in LED lighting systems for homes, offices, and outdoor applications, improving energy efficiency and reducing maintenance costs.
Questions about the technology: 1. How does the method optimize energy transfer efficiency?
- The method optimizes energy transfer efficiency by controlling the timing of pulses based on parasitic inductance, ensuring maximum utilization of the charge voltage.
2. What are the key advantages of using a charge storage device in this system?
- The use of a charge storage device allows for efficient energy storage and controlled discharge, enabling precise application of the charge voltage.
Original Abstract Submitted
a method includes applying, by a switching circuit, pulses of an input voltage to an input of an inductor. the method includes charging, in accordance with an off state of a switch, a charge storage device through the inductor using the pulses of the input voltage such that the circuit node develops a charge voltage that is greater than the input voltage. the method includes discharging, in accordance with an on state of the switch, the charge storage device such that a first portion of the charge voltage is applied to a light emitter and a second portion of the charge voltage is applied to parasitic inductance. the method includes controlling, by a controller, a timing of the pulses of the input voltage applied by the switching circuit based on a parasitic inductance from a previous charging cycle of the charge storage device, so as to control the charge voltage.
