Mark Schmidt
135Patents
31h-index
98Co-inventors
93Inventor score
Filing activity: Mar 12, 1996 → Oct 13, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7128266B2 | Hand-supportable digital imaging-based bar code symbol reader supporting narrow-area and wide-area modes of illumination and image capture | Physics | 688 | Expired |
| US6913202B2 | Planar laser illumination and imaging (PLIIM) engine | Electricity | 83 | Expired |
| US6976626B2 | Wireless bar code symbol driven portable data terminal (PDT) system adapted for single handed operation | Physics | 80 | Expired |
| US7086595B2 | METHOD OF AND APPARATUS FOR PROCESSING CAPTURED DIGITAL IMAGES OF OBJECTS WITHIN A SEMI-AUTOMATIC HAND-SUPPORTABLE IMAGING-BASED BAR CODE SYMBOL READER SO AS TO READ 1D AND/OR 2D BAR CODE SYMBOLS GRAPHICALLY REPRESENTED THEREIN | Physics | 71 | Expired |
| US6283375A | Automatically-activated hand-supportable laser scanning bar code symbol reading system with data transmission activation switch | Physics | 66 | Expired |
| US6286760A | Automatic hand-supportable laser projection scanner for omni-directional reading of bar code symbols within a narrowly confined scanning volume | Physics | 62 | Expired |
| US7240844B2 | Hand-suportable imaging-based bar code symbol reader employing an automatic light exposure measurement and illumination control subsystem for measuring illumination exposure on CMOS image sensing array and controlling LED illumination array driver circuitry | Physics | 62 | Expired |
| US7490774B2 | Hand-supportable imaging based bar code symbol reader employing automatic light exposure measurement and illumination control subsystem integrated therein | Physics | 58 | Expired |
| US7281661B2 | Hand-supportable digital imaging-based bar code symbol reading system employing a method of intelligently illuminating an object so as to generate a digital image thereof which is substantially free of noise caused by specular-type reflection | Physics | 55 | Expired |
| US6978936B2 | Method of and system for automatically producing digital images of moving objects, with pixels having a substantially uniform white level independent of the velocities of the moving objects | Electricity | 53 | Expired |
| US5942743A | Portable automatic hand-supportable omnidirectional laser projection scanner with power conserving control system | Physics | 52 | Expired |
| US5796091A | Automatic hand-supportable omnidirectional laser projection scanner with handle-controllable projection axis | Physics | 49 | Expired |
| US6918541B2 | Object identification and attribute information acquisition and linking computer system | Electricity | 45 | Expired |
| US7185817B2 | Hand-supportable digital imaging-based bar codes symbol reader employing multi-mode subsystems | Physics | 44 | Expired |
| US7237722B2 | Hand-supported imaging-based bar code symbol reader employing a multi-mode image-processing based bar code reading subsystem with modular image-processing architecture | Physics | 40 | Expired |
| US6146090A | Cooling/heating augmentation during turbine startup/shutdown using a seal positioned by thermal response of turbine parts and consequent relative movement thereof | Mechanical Engineering; Lighting; Heating | 39 | Expired |
| US7490778B2 | Method of reading code symbols using a hand-supportable digital image capturing and processing device employing a micro-computing platform supporting an event-driven multi-tier modular software architecture | Physics | 39 | Active |
| US7775436B2 | Method of driving a plurality of visible and invisible LEDs so as to produce an illumination beam having a dynamically managed ratio of visible to invisible (IR) spectral energy/power during object illumination and imaging operations | Physics | 39 | Active |
| US6860427B1 | Automatic optical projection scanner for omni-directional reading of bar code symbols within a confined scanning volume | Physics | 39 | Expired |
| US6190127A | Tuning thermal mismatch between turbine rotor parts with a thermal medium | Mechanical Engineering; Lighting; Heating | 39 | Expired |
| US6182898A | Bar code scanner with intuitive head aiming and collimated scan volume | Physics | 38 | Expired |
| US7320431B2 | Digital imaging-based bar code symbol reading system employing a multi-mode illumination subsystem with far-field and near field led-based illumination arrays | Physics | 38 | Expired |
| US5767501A | Mass-balanced automatic hand-supportable laser projection scanner for fatigue-free omnidirectional scanning of bar code symbols | Physics | 38 | Expired |
| US7357325B2 | Hand-supportable imaging-based bar code symbol reader employing a CMOS-type image sensor using global exposure techniques | Physics | 37 | Expired |
| US7520433B2 | Method for intelligently controlling the illumination and imagine of objects as they are moved through the 3D imaging volume of a digital image capturing and processing system | Physics | 37 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.