CN205301690U - 一种超短焦投影镜头 - Google Patents
一种超短焦投影镜头 Download PDFInfo
- Publication number
- CN205301690U CN205301690U CN201521143862.6U CN201521143862U CN205301690U CN 205301690 U CN205301690 U CN 205301690U CN 201521143862 U CN201521143862 U CN 201521143862U CN 205301690 U CN205301690 U CN 205301690U
- Authority
- CN
- China
- Prior art keywords
- lens
- face
- curvature
- radius
- refractive index
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000005499 meniscus Effects 0.000 claims abstract description 36
- 230000003287 optical effect Effects 0.000 claims abstract description 28
- 239000011521 glass Substances 0.000 claims abstract description 7
- 238000003825 pressing Methods 0.000 claims abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 2
- 230000000007 visual effect Effects 0.000 description 9
- 238000003384 imaging method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 208000013201 Stress fracture Diseases 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Lenses (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201521143862.6U CN205301690U (zh) | 2015-12-31 | 2015-12-31 | 一种超短焦投影镜头 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201521143862.6U CN205301690U (zh) | 2015-12-31 | 2015-12-31 | 一种超短焦投影镜头 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN205301690U true CN205301690U (zh) | 2016-06-08 |
Family
ID=56470410
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201521143862.6U Active CN205301690U (zh) | 2015-12-31 | 2015-12-31 | 一种超短焦投影镜头 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN205301690U (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107300753A (zh) * | 2017-08-18 | 2017-10-27 | 广东北创光电科技股份有限公司 | 焦距为85mm的光学镜头 |
CN107300754A (zh) * | 2017-08-18 | 2017-10-27 | 广东北创光电科技股份有限公司 | 焦距为25mm的光学镜头 |
CN107422458A (zh) * | 2017-09-08 | 2017-12-01 | 杭州有人光电技术有限公司 | 一种低f数的l型短焦全高清投影镜头 |
CN110737069A (zh) * | 2018-07-20 | 2020-01-31 | 上旸光学股份有限公司 | 投影系统 |
-
2015
- 2015-12-31 CN CN201521143862.6U patent/CN205301690U/zh active Active
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107300753A (zh) * | 2017-08-18 | 2017-10-27 | 广东北创光电科技股份有限公司 | 焦距为85mm的光学镜头 |
CN107300754A (zh) * | 2017-08-18 | 2017-10-27 | 广东北创光电科技股份有限公司 | 焦距为25mm的光学镜头 |
CN107300753B (zh) * | 2017-08-18 | 2023-03-10 | 广东北创光电科技股份有限公司 | 焦距为85mm的光学镜头 |
CN107300754B (zh) * | 2017-08-18 | 2023-03-24 | 广东北创光电科技股份有限公司 | 焦距为25mm的光学镜头 |
CN107422458A (zh) * | 2017-09-08 | 2017-12-01 | 杭州有人光电技术有限公司 | 一种低f数的l型短焦全高清投影镜头 |
CN110737069A (zh) * | 2018-07-20 | 2020-01-31 | 上旸光学股份有限公司 | 投影系统 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN205301690U (zh) | 一种超短焦投影镜头 | |
CN105652421B (zh) | 一种用于数字投影仪的镜头 | |
JP2013190742A5 (zh) | ||
CN103246047A (zh) | 大视场角低投射比的数字投影机镜头 | |
CN107167992B (zh) | 一种广角小投射比的远心数字投影机镜头 | |
CN109407288B (zh) | 一种折反式超短焦投影镜头系统 | |
CN100492090C (zh) | Dlp变焦投影镜头 | |
CN108227155B (zh) | 一种超星光级高清大像面定焦镜头 | |
CN211402902U (zh) | 投影镜头 | |
CN105403981A (zh) | 一种高像质光学镜头 | |
CN210666175U (zh) | 镜头的镜片组合、镜头及3d打印装置 | |
CN103913825B (zh) | 一种超短焦投影镜头 | |
CN203858407U (zh) | 一种超短焦投影镜头 | |
CN109298584B (zh) | 投影镜头及投影机 | |
CN107121767B (zh) | 用于dlp工程投影机的高分辨率投影镜头 | |
CN108535836B (zh) | 一种全高清投影镜头 | |
CN206387951U (zh) | 一种高清投影镜头 | |
CN110873955A (zh) | 一种投影机用超短焦镜头 | |
CN109633868A (zh) | 一种中焦高清微投投射镜头 | |
CN114509860B (zh) | 一种投影镜头及投影设备 | |
CN110908225B (zh) | 投影镜头及投影设备 | |
CN209070188U (zh) | 一种投影镜头 | |
CN208937804U (zh) | 一种投影机用超短焦镜头 | |
CN208847941U (zh) | 一种增倍视场角物镜 | |
CN205450427U (zh) | 一种高像质大光圈光学镜头 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170519 Address after: 510000 Guangdong Province, Guangzhou city Whampoa District Po Industrial District East tablets Kangda Road No. 12 Patentee after: GUANGZHOU JINGHE PHOTOELECTRIC TECHNOLOGY CO.,LTD. Address before: 510000 Guangdong Province, Guangzhou city Whampoa District Po Industrial District East tablets Kangda Road No. 12 Patentee before: GUANGZHOU JINGHUA PRECISION OPTICS Co.,Ltd. |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Ultra-short-focus projection lens Effective date of registration: 20190320 Granted publication date: 20160608 Pledgee: China Co. truction Bank Corp Guangzhou economic and Technological Development Zone sub branch Pledgor: GUANGZHOU JINGHE PHOTOELECTRIC TECHNOLOGY CO.,LTD. Registration number: 2019440000106 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200515 Granted publication date: 20160608 Pledgee: China Co. truction Bank Corp Guangzhou economic and Technological Development Zone sub branch Pledgor: GUANGZHOU JINGHE PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Registration number: 2019440000106 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Ultra-short-focus projection lens Effective date of registration: 20200521 Granted publication date: 20160608 Pledgee: China Co. truction Bank Corp Guangzhou economic and Technological Development Zone sub branch Pledgor: GUANGZHOU JINGHE PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Registration number: Y2020980002382 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210727 Granted publication date: 20160608 Pledgee: China Co. truction Bank Corp Guangzhou economic and Technological Development Zone sub branch Pledgor: GUANGZHOU JINGHE PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Registration number: Y2020980002382 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An ultra short focus projection lens Effective date of registration: 20210728 Granted publication date: 20160608 Pledgee: China Co. truction Bank Corp Guangzhou economic and Technological Development Zone sub branch Pledgor: GUANGZHOU JINGHE PHOTOELECTRIC TECHNOLOGY Co.,Ltd. Registration number: Y2021980006979 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220919 Granted publication date: 20160608 Pledgee: China Co. truction Bank Corp Guangzhou economic and Technological Development Zone sub branch Pledgor: GUANGZHOU JINGHE PHOTOELECTRIC TECHNOLOGY CO.,LTD. Registration number: Y2021980006979 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A kind of ultra short focal projection lens Effective date of registration: 20221019 Granted publication date: 20160608 Pledgee: China Construction Bank Corporation Guangzhou Development Zone Branch Pledgor: GUANGZHOU JINGHE PHOTOELECTRIC TECHNOLOGY CO.,LTD. Registration number: Y2022980018854 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231123 Granted publication date: 20160608 Pledgee: China Construction Bank Corporation Guangzhou Development Zone Branch Pledgor: GUANGZHOU JINGHE PHOTOELECTRIC TECHNOLOGY CO.,LTD. Registration number: Y2022980018854 |
|
PC01 | Cancellation of the registration of the contract for pledge of patent right |