CN104714357B - 一种投影仪的降噪结构 - Google Patents
一种投影仪的降噪结构 Download PDFInfo
- Publication number
- CN104714357B CN104714357B CN201510097518.6A CN201510097518A CN104714357B CN 104714357 B CN104714357 B CN 104714357B CN 201510097518 A CN201510097518 A CN 201510097518A CN 104714357 B CN104714357 B CN 104714357B
- Authority
- CN
- China
- Prior art keywords
- acoustical panel
- projector
- sound
- absorption hole
- internal layer
- 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
- 238000010521 absorption reaction Methods 0.000 claims abstract description 22
- 239000010410 layer Substances 0.000 claims abstract description 21
- 230000001413 cellular effect Effects 0.000 claims abstract description 7
- 239000011229 interlayer Substances 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/16—Cooling; Preventing overheating
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/22—Soundproof bodies
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Projection Apparatus (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510097518.6A CN104714357B (zh) | 2015-03-05 | 2015-03-05 | 一种投影仪的降噪结构 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510097518.6A CN104714357B (zh) | 2015-03-05 | 2015-03-05 | 一种投影仪的降噪结构 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104714357A CN104714357A (zh) | 2015-06-17 |
CN104714357B true CN104714357B (zh) | 2016-12-28 |
Family
ID=53413816
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510097518.6A Active CN104714357B (zh) | 2015-03-05 | 2015-03-05 | 一种投影仪的降噪结构 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104714357B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105395066A (zh) * | 2015-11-30 | 2016-03-16 | 刘义芝 | 一种家用静音滚石研磨豆浆机 |
CN110742474A (zh) * | 2019-10-08 | 2020-02-04 | 浙江润阳新材料科技股份有限公司 | 一种地垫及地板 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1602566A (zh) * | 2001-10-05 | 2005-03-30 | 安芬诺尔公司 | 改进型径向弹性电连接器及其制作方法 |
CN200949479Y (zh) * | 2006-09-08 | 2007-09-19 | 广西柳柴动力有限责任公司 | 双层降噪降温油底壳 |
CN101775851A (zh) * | 2010-03-12 | 2010-07-14 | 陈业新 | 格子型消音器及其制备方法 |
CN101819767A (zh) * | 2010-03-12 | 2010-09-01 | 陈业新 | 一种声屏障用板材及其制作方法 |
CN202306110U (zh) * | 2011-11-09 | 2012-07-04 | 上海广擎光电科技有限公司 | 低噪音家用投影机 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1639406B1 (en) * | 2003-06-02 | 2017-04-05 | Seiko Epson Corporation | Noise dampener |
-
2015
- 2015-03-05 CN CN201510097518.6A patent/CN104714357B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1602566A (zh) * | 2001-10-05 | 2005-03-30 | 安芬诺尔公司 | 改进型径向弹性电连接器及其制作方法 |
CN200949479Y (zh) * | 2006-09-08 | 2007-09-19 | 广西柳柴动力有限责任公司 | 双层降噪降温油底壳 |
CN101775851A (zh) * | 2010-03-12 | 2010-07-14 | 陈业新 | 格子型消音器及其制备方法 |
CN101819767A (zh) * | 2010-03-12 | 2010-09-01 | 陈业新 | 一种声屏障用板材及其制作方法 |
CN202306110U (zh) * | 2011-11-09 | 2012-07-04 | 上海广擎光电科技有限公司 | 低噪音家用投影机 |
Also Published As
Publication number | Publication date |
---|---|
CN104714357A (zh) | 2015-06-17 |
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C41 | Transfer of patent application or patent right or utility model | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20161114 Address after: 266000 Licang, Qingdao, No. nine East water road, No. 320, No. Applicant after: QINGDAO YULANXIANG BUSINESS SERVICE Co.,Ltd. Address before: 536000 Beihai Industrial Park, the Guangxi Zhuang Autonomous Region Industrial Park, North Park, North China, 09 Applicant before: BEIHAI HESI TECHNOLOGY Co.,Ltd. |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20181212 Address after: 210000 No. 69 Shitoucheng Road, Gulou District, Nanjing City, Jiangsu Province Patentee after: Li Shulan Address before: 266000 No. nine water East Road, Licang District, Qingdao, Shandong, 320 Patentee before: QINGDAO YULANXIANG BUSINESS SERVICE Co.,Ltd. |
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Effective date of registration: 20191029 Address after: 314511 No.7 pailou Xia, Lishun village, Chongfu Town, Tongxiang City, Jiaxing City, Zhejiang Province Patentee after: Jiaxing worui Technology Co.,Ltd. Address before: 210000 No. 69 Shitoucheng Road, Gulou District, Nanjing City, Jiangsu Province Patentee before: Li Shulan |
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Effective date of registration: 20201223 Address after: 236200 Yangwei village, Chuigang Township, Yingshang County, Fuyang City, Anhui Province Patentee after: Anhui Muzhuang farming technology Co.,Ltd. Address before: 7 pailou Xia, Lishun village, Chongfu Town, Tongxiang City, Jiaxing City, Zhejiang Province Patentee before: Jiaxing worui Technology Co.,Ltd. |
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Effective date of registration: 20230118 Address after: 236200 No. 266, Zhengzheng South Road, Shencheng Town, Yingshang County, Fuyang City, Anhui Province Patentee after: Yingshang Xiangsheng Construction Management Co.,Ltd. Address before: 236200 Yangwei village, Chuigang Township, Yingshang County, Fuyang City, Anhui Province Patentee before: Anhui Muzhuang farming technology Co.,Ltd. |
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