LIGHT-BASED TOUCH SCREEN

Number of patents in Portfolio can not be more than 2000

United States of America Patent

SERIAL NO

13683173

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A light-based touch screen, including a housing for a display screen, a plurality of infra-red light emitting diodes (LEDs), fastened on the housing, for generating light beams, at least one LED selector, fastened on the housing and connected with the plurality of LEDs, for controllably selecting and deselecting one or more of the plurality of LEDs, a plurality of photodiode (PD) receivers, fastened on the housing, for measuring light intensity, at least one PD selector, fastened on the housing and connected with the plurality of PD receivers, for controllably selecting and deselecting one or more of the plurality of PD receivers, an optical assembly, fastened on the housing, for projecting light beams emitted by the plurality of LEDs in substantially parallel planes over the housing, and a controller, fastened on the housing and coupled with the plurality of PD receivers, (i) for controlling the at least one LED selector, (ii) for controlling the at least one PD selector, and (iii) for determining therefrom position and velocity of an object crossing at least one of the substantially parallel planes, based on output currents of the plurality of PD receivers.

First Claim

See full text

Other Claims data not available

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
NEONODE INCSANTA CLARA CA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Eriksson, Thomas Stocksund, SE 141 3591
Goertz, Magnus Lidingo, SE 34 2150
Shain, Joseph Rehovot, IL 51 2161

Cited Art Landscape

Load Citation

Patent Citation Ranking

  • 63 Citation Count
  • G06F Class
  • 84.07 % this patent is cited more than
  • 12 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges18132851982126581559240830823918515972501 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 8081 - 9091 - 100100 +020040060080010001200140016001800200022002400260028003000320034003600

Forward Cite Landscape

Load Citation