US 7,242,388 B2 · Data input device

Abstract

A data input device and method including an illuminator (106) operative to illuminate at least one engagement plane (102) by directing light along the at least one engagement plane, a two-dimensional imaging sensor (112) viewing the at least one engagement plane from a location outside the at least one engagement plane for sensing light from the illuminator (106) scattered by engagement of a data entry object (110) with the at least one engagement plane and a data entry processor receiving an output from the two-dimensional imaging sensor (112) and providing a data input to utilization circuitry.

Claims133

Dependent claims

A data input device comprising:

an illuminator operative to illuminate at least one engagement plane by directing light along said at least one engagement plane;
a two-dimensional imaging sensor, including multiple rows of detector arrays, viewing said at least one engagement plane at a non-zero angle from a location outside said at least one engagement plane for sensing light from said illuminator scattered by engagement of a data entry object with said at least one engagement plane;
and
a data entry processor receiving an output from said two-dimensional imaging sensor and providing a data entry input to utilization circuitry.

1 more element

Dependencies are inferred from the claim text.

Facts

Application

10/250,350Filed 26 Nov 2001 · us provisional application

Priority

8 Jan 2001

Published

US 2004/0108990 A110 Jun 2004

Granted

10 Jul 2007

Term ends

Not estimatedThe source records don’t support an estimate.

Classification20 codes

G06F 3/0426
Using a single imaging device like a video camera for tracking the absolute position of a single or a plurality of objects with respect to an…:…
G07F 7/10
By coded identity card or credit card or other personal identification means: together with a coded signal , e.g. in the form of personal…
G07F 7/1041
Details of the PIN pad: pIN input keyboard gets new key allocation at each use
G10H 1/34
Constructional details: switch arrangements, e.g. keyboards or mechanical switches specially adapted for electrophonic musical instruments

Family

Application60/260,436Us provisional application · filed 8 Jan 2001

Application60/263,115Us provisional application · filed 19 Jan 2001

Application60/303,922Us provisional application · filed 6 Jul 2001

Application60/338,365Us provisional application · filed 2 Nov 2001

US 2004/0108990 A1Pre-grant publication · published 10 Jun 2004

US 7,242,388 B2This patent

From the US filing history. Foreign family members aren’t listed.

Data input device

Life of this patent

Data input device

Life of this patent

Abstract

Claims133