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Optical scanner apparatus
US9817230B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9817230-B2 |
| Application number | US-201514887557-A |
| Country | US |
| Kind code | B2 |
| Filing date | Oct 20, 2015 |
| Priority date | Oct 28, 2014 |
| Publication date | Nov 14, 2017 |
| Grant date | Nov 14, 2017 |
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- Title
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- Abstract
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Abstract
Official abstract text for this publication.
An optical scanner apparatus that oscillates a mirror to scan incident light, includes an optical scanner unit that includes a sensor that detects an oscillation angle of the mirror, and an interconnect connected to the sensor; and a shading unit that shades the sensor and the interconnect from stray light of the incident light and ambient light.
First claim
Opening claim text (preview).
What is claimed is: 1. An optical scanner apparatus that oscillates a mirror to scan incident light, comprising: an optical scanner unit that includes a sensor that detects an oscillation angle of the mirror and an interconnect connected to the sensor; and a cover that shades the sensor and the interconnect from stray light of the incident light and ambient light, wherein the cover is provided with an open portion having a shape that does not block the incident light from reaching the mirror and that does not block scanning light from the mirror, the open portion including, in a planar view, a substantially semicircular opening portion at a side through which the incident light passes, and a substantially rectangular opening portion at a side through which the scanning light passes. 2. The optical scanner apparatus according to claim 1 , further comprising: a package on which the optical scanner unit is mounted, and wherein the cover is provided on the package and the optical scanner unit, and covering the optical scanner unit. 3. The optical scanner apparatus according to claim 1 , wherein at the open portion, the substantially semicircular opening portion at the side through which the incident light passes is made smaller than the substantially rectangular opening portion at the side through which the scanning light passes. 4. The optical scanner apparatus according to claim 1 , wherein the incident light is laser light, and the stray light of the incident light is outside light of the half width of the laser light. 5. The optical scanner apparatus according to claim 1 , further comprising: a heat buffer layer provided on the sensor and the interconnect. 6. The optical scanner apparatus according to claim 5 , further comprising: a reflection film provided on the heat buffer layer. 7. The optical scanner apparatus according to claim 1 , further comprising: a reflection film provided on the sensor and the interconnect via an insulating layer. 8. The optical scanner apparatus according to claim 1 , wherein the optical scanner unit includes a beam provided around the mirror, wherein the sensor is provided at the beam, and wherein the cover is provided on the beam, the sensor and the inter connect of the optical scanner unit.
Assignees
Inventors
Classifications
- G02B26/105Primary
with one or more pivoting mirrors or galvano-mirrors (G02B26/101 takes precedence) · CPC title
the reflecting means being moved or deformed by piezoelectric means · CPC title
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Frequently asked questions
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- What does patent US9817230B2 cover?
- An optical scanner apparatus that oscillates a mirror to scan incident light, includes an optical scanner unit that includes a sensor that detects an oscillation angle of the mirror, and an interconnect connected to the sensor; and a shading unit that shades the sensor and the interconnect from stray light of the incident light and ambient light.
- Who is the assignee on this patent?
- Yamada Tsukasa, Sekine Hisamichi, Aga Hisanori, and 2 more
- What technology area does this patent fall under?
- Primary CPC classification G02B26/105. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Nov 14 2017 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).