TW484728U - Optical key button input device - Google Patents

Optical key button input device

Info

Publication number
TW484728U
TW484728U TW89219763U TW89219763U TW484728U TW 484728 U TW484728 U TW 484728U TW 89219763 U TW89219763 U TW 89219763U TW 89219763 U TW89219763 U TW 89219763U TW 484728 U TW484728 U TW 484728U
Authority
TW
Taiwan
Prior art keywords
input device
key button
button input
optical key
optical
Prior art date
Application number
TW89219763U
Other languages
Chinese (zh)
Inventor
Ming-Jr Huang
Original Assignee
Umax Data Systems Inc
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 Umax Data Systems Inc filed Critical Umax Data Systems Inc
Priority to TW89219763U priority Critical patent/TW484728U/en
Publication of TW484728U publication Critical patent/TW484728U/en

Links

TW89219763U 2000-11-15 2000-11-15 Optical key button input device TW484728U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW89219763U TW484728U (en) 2000-11-15 2000-11-15 Optical key button input device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW89219763U TW484728U (en) 2000-11-15 2000-11-15 Optical key button input device

Publications (1)

Publication Number Publication Date
TW484728U true TW484728U (en) 2002-04-21

Family

ID=21674959

Family Applications (1)

Application Number Title Priority Date Filing Date
TW89219763U TW484728U (en) 2000-11-15 2000-11-15 Optical key button input device

Country Status (1)

Country Link
TW (1) TW484728U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10186540B2 (en) 2013-07-30 2019-01-22 Heptagon Micro Optics Pte. Ltd. Optoelectronic modules that have shielding to reduce light leakage or stray light

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10186540B2 (en) 2013-07-30 2019-01-22 Heptagon Micro Optics Pte. Ltd. Optoelectronic modules that have shielding to reduce light leakage or stray light
TWI651561B (en) * 2013-07-30 2019-02-21 新加坡商海特根微光學公司 Optoelectronic modules that have shielding to reduce light leakage or stray light, and fabrication methods for such modules

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Legal Events

Date Code Title Description
GD4K Issue of patent certificate for granted utility model filed before june 30, 2004
MM4K Annulment or lapse of a utility model due to non-payment of fees