CN103176262B - 一种全球面的高清lcos投影机镜头 - Google Patents
一种全球面的高清lcos投影机镜头 Download PDFInfo
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- CN103176262B CN103176262B CN201310122062.5A CN201310122062A CN103176262B CN 103176262 B CN103176262 B CN 103176262B CN 201310122062 A CN201310122062 A CN 201310122062A CN 103176262 B CN103176262 B CN 103176262B
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- spherical
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- definition
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CN201310122062.5A CN103176262B (zh) | 2013-04-10 | 2013-04-10 | 一种全球面的高清lcos投影机镜头 |
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CN201310122062.5A CN103176262B (zh) | 2013-04-10 | 2013-04-10 | 一种全球面的高清lcos投影机镜头 |
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CN103176262A CN103176262A (zh) | 2013-06-26 |
CN103176262B true CN103176262B (zh) | 2014-12-24 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4387970A (en) * | 1980-03-24 | 1983-06-14 | Xerox Corporation | Projection lens assembly |
CN101285926A (zh) * | 2007-04-12 | 2008-10-15 | 深圳市科创数字显示技术有限公司 | 用于三片式lcos薄型大屏幕高清晰背投影电视机的镜头 |
CN203178551U (zh) * | 2013-04-10 | 2013-09-04 | 苏州轰天砲光电技术有限公司 | 一种全球面的高清lcos投影机镜头 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2548359B2 (ja) * | 1989-03-01 | 1996-10-30 | 松下電器産業株式会社 | 投影レンズとそれを用いたプロジェクションテレビ |
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- 2013-04-10 CN CN201310122062.5A patent/CN103176262B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4387970A (en) * | 1980-03-24 | 1983-06-14 | Xerox Corporation | Projection lens assembly |
CN101285926A (zh) * | 2007-04-12 | 2008-10-15 | 深圳市科创数字显示技术有限公司 | 用于三片式lcos薄型大屏幕高清晰背投影电视机的镜头 |
CN203178551U (zh) * | 2013-04-10 | 2013-09-04 | 苏州轰天砲光电技术有限公司 | 一种全球面的高清lcos投影机镜头 |
Non-Patent Citations (1)
Title |
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JP平2-228620A 1990.09.11 * |
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CN103176262A (zh) | 2013-06-26 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CP03 | Change of name, title or address |
Address after: 215138 Ishida Road, Yangcheng Lake, Xiangcheng District, Suzhou City, Jiangsu Province, No. 5 Patentee after: Suzhou hongtianpao Photoelectric Technology Co. Ltd. Address before: 215138 Yangcheng Lake Town, Suzhou City, Xiangcheng District, Jiangsu Province, Yangcheng Industrial Park Patentee before: Suzhou HongTianPao Optoelectronic Technology Co., Ltd. |
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CP03 | Change of name, title or address | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: All-spherical-surface high-definition LCOS (liquid crystal on silicon) projector lens Effective date of registration: 20200528 Granted publication date: 20141224 Pledgee: Jiangsu Credit Financing Guarantee Co.,Ltd. Pledgor: HTP OPTOELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2020980002581 |
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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: 20210604 Granted publication date: 20141224 Pledgee: Jiangsu Credit Financing Guarantee Co.,Ltd. Pledgor: HTP OPTOELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2020980002581 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right |