TW310839U - Flxed-focus triplet projection lens for overhead projectors - Google Patents

Flxed-focus triplet projection lens for overhead projectors

Info

Publication number
TW310839U
TW310839U TW084209904U TW84209904U TW310839U TW 310839 U TW310839 U TW 310839U TW 084209904 U TW084209904 U TW 084209904U TW 84209904 U TW84209904 U TW 84209904U TW 310839 U TW310839 U TW 310839U
Authority
TW
Taiwan
Prior art keywords
flxed
focus
projection lens
overhead projectors
triplet
Prior art date
Application number
TW084209904U
Other languages
Chinese (zh)
Inventor
Stephen K Eckhardt
Original Assignee
Minnesota Mining & Mfg
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 Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Priority to TW084209904U priority Critical patent/TW310839U/en
Publication of TW310839U publication Critical patent/TW310839U/en

Links

TW084209904U 1995-07-15 1995-07-15 Flxed-focus triplet projection lens for overhead projectors TW310839U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW084209904U TW310839U (en) 1995-07-15 1995-07-15 Flxed-focus triplet projection lens for overhead projectors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW084209904U TW310839U (en) 1995-07-15 1995-07-15 Flxed-focus triplet projection lens for overhead projectors

Publications (1)

Publication Number Publication Date
TW310839U true TW310839U (en) 1997-07-11

Family

ID=54620756

Family Applications (1)

Application Number Title Priority Date Filing Date
TW084209904U TW310839U (en) 1995-07-15 1995-07-15 Flxed-focus triplet projection lens for overhead projectors

Country Status (1)

Country Link
TW (1) TW310839U (en)

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