JPS52110645A - Method of molding large fresnel lens - Google Patents
Method of molding large fresnel lensInfo
- Publication number
- JPS52110645A JPS52110645A JP2738076A JP2738076A JPS52110645A JP S52110645 A JPS52110645 A JP S52110645A JP 2738076 A JP2738076 A JP 2738076A JP 2738076 A JP2738076 A JP 2738076A JP S52110645 A JPS52110645 A JP S52110645A
- Authority
- JP
- Japan
- Prior art keywords
- fresnel lens
- molding large
- large fresnel
- molding
- lens
- 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.)
- Pending
Links
Landscapes
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2738076A JPS52110645A (en) | 1976-03-14 | 1976-03-14 | Method of molding large fresnel lens |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2738076A JPS52110645A (en) | 1976-03-14 | 1976-03-14 | Method of molding large fresnel lens |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52110645A true JPS52110645A (en) | 1977-09-16 |
Family
ID=12219433
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2738076A Pending JPS52110645A (en) | 1976-03-14 | 1976-03-14 | Method of molding large fresnel lens |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52110645A (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5463825A (en) * | 1977-10-31 | 1979-05-23 | Touji Kikuchi | Screen |
JPS5674207A (en) * | 1979-11-22 | 1981-06-19 | Ricoh Co Ltd | Plate-form lens array |
JPS58144341U (en) * | 1982-03-24 | 1983-09-29 | 三菱レイヨン株式会社 | large screen |
JPS58144340U (en) * | 1982-03-23 | 1983-09-29 | 三菱レイヨン株式会社 | large screen |
JPS58168042A (en) * | 1982-03-29 | 1983-10-04 | Mitsubishi Rayon Co Ltd | Large-sized screen |
JPS5925530U (en) * | 1982-08-10 | 1984-02-17 | 松下電器産業株式会社 | screen |
JPS59112242U (en) * | 1983-01-17 | 1984-07-28 | 三菱レイヨン株式会社 | large screen |
JPH04158169A (en) * | 1990-10-19 | 1992-06-01 | Masami Kato | Solar light lens heat-collecting device |
CN103963324A (en) * | 2014-04-25 | 2014-08-06 | 成都菲斯特科技有限公司 | Manufacturing method for big size polarizing short focal length Fresnel lens |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3594457A (en) * | 1967-06-12 | 1971-07-20 | Polaroid Corp | Method of press forming birefringent transparent polyethylene terephthalate sheets |
-
1976
- 1976-03-14 JP JP2738076A patent/JPS52110645A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3594457A (en) * | 1967-06-12 | 1971-07-20 | Polaroid Corp | Method of press forming birefringent transparent polyethylene terephthalate sheets |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5463825A (en) * | 1977-10-31 | 1979-05-23 | Touji Kikuchi | Screen |
JPS5674207A (en) * | 1979-11-22 | 1981-06-19 | Ricoh Co Ltd | Plate-form lens array |
JPS635726B2 (en) * | 1979-11-22 | 1988-02-04 | Ricoh Kk | |
JPS58144340U (en) * | 1982-03-23 | 1983-09-29 | 三菱レイヨン株式会社 | large screen |
JPS58144341U (en) * | 1982-03-24 | 1983-09-29 | 三菱レイヨン株式会社 | large screen |
JPS58168042A (en) * | 1982-03-29 | 1983-10-04 | Mitsubishi Rayon Co Ltd | Large-sized screen |
JPS5925530U (en) * | 1982-08-10 | 1984-02-17 | 松下電器産業株式会社 | screen |
JPS59112242U (en) * | 1983-01-17 | 1984-07-28 | 三菱レイヨン株式会社 | large screen |
JPH04158169A (en) * | 1990-10-19 | 1992-06-01 | Masami Kato | Solar light lens heat-collecting device |
CN103963324A (en) * | 2014-04-25 | 2014-08-06 | 成都菲斯特科技有限公司 | Manufacturing method for big size polarizing short focal length Fresnel lens |
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