Smart Technologies, Inc.
28Patents
2Active
28Granted
51Portfolio score
Filing activity: Oct 21, 1991 → Mar 31, 2022 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6803906B1 | Passive touch system and method of detecting user input | Physics | 436 | Expired |
| US5448263A | Interactive display system | Electricity | 301 | Expired |
| US6972401B2 | Illuminated bezel and touch system incorporating the same | Physics | 261 | Expired |
| US6337681B1 | Projection display system with pressure sensing at screen, and computer assisted alignment implemented by applying pressure at displayed calibration marks | Electricity | 229 | Expired |
| US6747636B2 | Projection display and system with pressure sensing at screen, and computer assisted alignment implemented by applying pressure at displayed calibration marks | Electricity | 204 | Expired |
| US6141000A | Projection display system with touch sensing on screen, computer assisted alignment correction and network conferencing | Electricity | 200 | Expired |
| US7232986B2 | Apparatus for detecting a pointer within a region of interest | Physics | 137 | Expired |
| US6919880B2 | Calibrating camera offsets to facilitate object position determination using triangulation | Physics | 137 | Expired |
| US7355593B2 | Pointer tracking across multiple overlapping coordinate input sub-regions defining a generally contiguous input region | Physics | 121 | Expired |
| US7236162B2 | Passive touch system and method of detecting user input | Physics | 112 | Expired |
| US6954197B2 | Size/scale and orientation determination of a pointer in a camera-based touch system | Physics | 89 | Expired |
| US7274356B2 | Apparatus for determining the location of a pointer within a region of interest | Physics | 87 | Expired |
| US6215477A | Touch sensitive display panel | Physics | 86 | Expired |
| US7289113B2 | Projection display system with pressure sensing at screen, and computer assisted alignment implemented by applying pressure at displayed calibration marks | Electricity | 86 | Expired |
| US7372456B2 | Method and apparatus for calibrating an interactive touch system | Physics | 85 | Expired |
| US6947032B2 | Touch system and method for determining pointer contacts on a touch surface | Physics | 83 | Expired |
| US7184030B2 | Synchronization of cameras in camera-based touch system to enhance position determination of fast moving objects | Electricity | 82 | Expired |
| US6320597A | Method for editing objects representing writing on an electronic writeboard | Physics | 72 | Expired |
| USD620947S1 | User interface for a display screen | General | 58 | Expired |
| US7283126B2 | System and method for providing gesture suggestions to enhance interpretation of user input | Physics | 56 | Expired |
| US7151533B2 | Keyboard for an electronic writeboard and method | Physics | 52 | Expired |
| US6540366B2 | Overhead projection system | Mechanical Engineering; Lighting; Heating | 50 | Expired |
| US6326954A | Method for erasing on an electronic writeboard | Physics | 38 | Expired |
| US6741267B1 | Keyboard for an electronic writeboard and method | Physics | 23 | Expired |
| US7256772B2 | Auto-aligning touch system and method | Physics | 13 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.