Invention Grant
US08749897B2 Large-field-of-view lens system for capsule endoscope and capsule endoscope having large-field-of-view lens system
有权
用于胶囊内窥镜的大视场透镜系统和具有大视场透镜系统的胶囊内窥镜
- Patent Title: Large-field-of-view lens system for capsule endoscope and capsule endoscope having large-field-of-view lens system
- Patent Title (中): 用于胶囊内窥镜的大视场透镜系统和具有大视场透镜系统的胶囊内窥镜
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Application No.: US13671350Application Date: 2012-11-07
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Publication No.: US08749897B2Publication Date: 2014-06-10
- Inventor: Ting-Yu Cheng
- Applicant: OmniVision Technologies, Inc.
- Applicant Address: US CA Santa Clara
- Assignee: OmniVision Technologies, Inc.
- Current Assignee: OmniVision Technologies, Inc.
- Current Assignee Address: US CA Santa Clara
- Agency: Lathrop & Gage LLP
- Main IPC: G02B3/02
- IPC: G02B3/02 ; A61B1/002
Abstract:
A lens system and a for a capsule endoscope includes a first lens having a concave aspheric surface having a radius R2 and a second lens having a convex aspheric surface having a radius R3 facing the first lens. A third lens has a convex aspheric surface having radius R6. The lens system satisfies the following conditions: (1) R2/Gap>1 and ABS(R3/R2)>1.28; (2) 1
Public/Granted literature
Information query
IPC分类:
| G | 物理 |
| G02 | 光学 |
| G02B | 光学元件、系统或仪器 |
| G02B3/00 | 简单或复合透镜 |
| G02B3/02 | .具有非球面的（G02B3/10优先） |
