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Laser diode drive method and arrangement
US10944239B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10944239-B2 |
| Application number | US-201916528283-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 31, 2019 |
| Priority date | Aug 2, 2018 |
| Publication date | Mar 9, 2021 |
| Grant date | Mar 9, 2021 |
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Abstract
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A method and apparatus to drive a laser diode are disclosed comprising increasing a bias current to the laser diode to a threshold level, wherein the threshold level is below an actuation level of the laser diode and wherein a resistor is placed in parallel to the laser diode, charging a capacitance to a precharge capacitance of a circuit including the laser diode, wherein the precharge capacitance is below a capacitance actuation level of the laser diode; and actuating the laser diode.
First claim
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What is claimed is: 1. A method to drive a laser diode, comprising: increasing a bias current to the laser diode to a threshold level, wherein the threshold level is below an actuation level of the laser diode and wherein a resistor is placed in parallel to the laser diode; charging a capacitance to a precharge capacitance of a circuit including the laser diode, wherein the precharge capacitance is below a capacitance actuation level of the laser diode; and actuating the laser…
Assignees
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Electricity · mapped topic
Physics · mapped topic
Electricity · mapped topic
- H01S5/0428Primary
Electricity · mapped topic
Electricity · mapped topic
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- What does patent US10944239B2 cover?
- A method and apparatus to drive a laser diode are disclosed comprising increasing a bias current to the laser diode to a threshold level, wherein the threshold level is below an actuation level of the laser diode and wherein a resistor is placed in parallel to the laser diode, charging a capacitance to a precharge capacitance of a circuit including the laser diode, wherein the precharge capacit…
- Who is the assignee on this patent?
- Prysm Inc, Prysm Systems Inc
- What technology area does this patent fall under?
- Primary CPC classification H01S5/0428. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Mar 09 2021 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).