Projection device and projection-type video display device
US-9217879-B2 · Dec 22, 2015 · US
Multiple laser drive method, apparatus and system
US9104038B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9104038-B2 |
| Application number | US-201313870169-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 25, 2013 |
| Priority date | Apr 25, 2013 |
| Publication date | Aug 11, 2015 |
| Grant date | Aug 11, 2015 |
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Abstract
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A scanning projector includes a scanning mirror that sweep a beam in two dimensions. The beam is created by multiple laser light sources, at least two of which create light at substantially the same wavelength. A first of the two light sources is driven up to a transition point past which both of the two light sources are driven (equally or unequally).
First claim
Opening claim text (preview).
What is claimed is: 1. A scanning laser projector comprising: a scanning mirror to reflect a light beam in a raster pattern to display an image; a plurality of laser light sources that emit light at substantially the same wavelength to form the light beam; and a controller coupled to receive a commanded light output level and to drive the plurality of laser light sources, the controller configured to drive only a first of the plurality of laser light sources when the commanded…
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Physics · mapped topic
Physics · mapped topic
- G02B27/48Primary
Physics · mapped topic
Electricity · mapped topic
Electricity · mapped topic
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- What does patent US9104038B2 cover?
- A scanning projector includes a scanning mirror that sweep a beam in two dimensions. The beam is created by multiple laser light sources, at least two of which create light at substantially the same wavelength. A first of the two light sources is driven up to a transition point past which both of the two light sources are driven (equally or unequally).
- Who is the assignee on this patent?
- Microvision Inc
- What technology area does this patent fall under?
- Primary CPC classification G02B27/48. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Aug 11 2015 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).