Lens focusing device and replaceable chart display module thereof

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9823162
SERIAL NO

15159471

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A lens focusing device includes a lens holding module for clamping at least one test lens to be tested, a replaceable chart display module, and a focal length shortening module. The replaceable chart display module includes a frame structure, a first chart display element detachably disposed on the frame structure, and a plurality of second chart display elements detachably disposed on the frame structure, and each second chart display element is inclined at a predetermined angle relative to the first chart display element. The focal length shortening module includes a first focal length shortening structure and a plurality of second focal length shortening structures. The first focal length shortening structure is disposed between the at least one test lens and the first chart display element, and each second focal length shortening structure is disposed between the at least one test lens and the corresponding second chart display element.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • LITE-ON ELECTRONICS (GUANGZHOU) LIMITED;LITE-ON TECHNOLOGY CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hsu, Wen-Liang Hsinchu County, TW 158 1516

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
7.5 Year Payment $3600.00 $1800.00 $900.00 May 21, 2025
11.5 Year Payment $7400.00 $3700.00 $1850.00 May 21, 2029
Fee Large entity fee small entity fee micro entity fee
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00