GEP19940065B - Projection Lens - Google Patents

Projection Lens

Info

Publication number
GEP19940065B
GEP19940065B GEAP1992128A GEAP1992000128A GEP19940065B GE P19940065 B GEP19940065 B GE P19940065B GE AP1992128 A GEAP1992128 A GE AP1992128A GE AP1992000128 A GEAP1992000128 A GE AP1992000128A GE P19940065 B GEP19940065 B GE P19940065B
Authority
GE
Georgia
Prior art keywords
lens
projection lens
projection
focus
concave
Prior art date
Application number
GEAP1992128A
Inventor
Jemal Avaliani
Merab Avaliani
Original Assignee
Science Reserch Institute Platani
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Science Reserch Institute Platani filed Critical Science Reserch Institute Platani
Priority to GEAP1992128A priority Critical patent/GEP19940065B/en
Publication of GEP19940065B publication Critical patent/GEP19940065B/en

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Abstract

This invention refers to optical instrument engineering and can be used in projection TV-sets. Technical result to provide simplified construction and increased quality of image. Projection lens comprises concave lens 1 provided with concave aspherical surface, biconvex lens 2 with positive meniscus. All the lenses are made of plastic. Focus distanse of the projection lens is 140 mm, relative hole 1:1. There is indicated correlation for selection of focus distance, radius and thickness of lens. 2 ind. cl., 1 fig.
GEAP1992128A 1992-08-13 1992-08-13 Projection Lens GEP19940065B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GEAP1992128A GEP19940065B (en) 1992-08-13 1992-08-13 Projection Lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GEAP1992128A GEP19940065B (en) 1992-08-13 1992-08-13 Projection Lens

Publications (1)

Publication Number Publication Date
GEP19940065B true GEP19940065B (en) 1994-05-25

Family

ID=81756763

Family Applications (1)

Application Number Title Priority Date Filing Date
GEAP1992128A GEP19940065B (en) 1992-08-13 1992-08-13 Projection Lens

Country Status (1)

Country Link
GE (1) GEP19940065B (en)

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