Medar, Inc.
31Patents
0Active
31Granted
38Portfolio score
Filing activity: Feb 22, 1982 → Nov 9, 2000
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5742504A | Method and system for quickly developing application software for use in a machine vision system | Physics | 176 | Expired |
| US5751450A | Method and system for measuring color difference | Physics | 122 | Expired |
| US5636025A | System for optically measuring the surface contour of a part using more fringe techniques | Physics | 111 | Expired |
| US5646733A | Scanning phase measuring method and system for an object at a vision station | Physics | 91 | Expired |
| US5940296A | Method and system for interactively developing a graphical control-flow structure and associated application software for use in a machine vision system | Physics | 77 | Expired |
| US5821993A | Method and system for automatically calibrating a color camera in a machine vision system | Electricity | 57 | Expired |
| US5969753A | Method and system for detecting errors in a sample image | Physics | 35 | Expired |
| US5753903A | Method and system for controlling light intensity in a machine vision system | Physics | 30 | Expired |
| US6016161A | Method and system for automatically calibrating a color-based machine vision system | Electricity | 24 | Expired |
| US5764386A | Method and system for automatically monitoring the colors of an object at a vision station | Electricity | 23 | Expired |
| US5715051A | Method and system for detecting defects in optically transmissive coatings formed on optical media substrates | Physics | 21 | Expired |
| US5701179A | Method and system for measuring dimensions of an edge of a part | Physics | 19 | Expired |
| US4849873A | Active snubber for an inverter | Electricity | 18 | Expired |
| US4885451A | Automatic stepper for resistance welding | Performing Operations; Transporting | 13 | Expired |
| US6225590A | Method for determining a condition of a resistance spotwelding system or a workpiece in the system | Performing Operations; Transporting | 10 | Expired |
| US6342686B1 | Method for determining a condition of a resistance spotwelding system or a workpiece in the system | Performing Operations; Transporting | 9 | Expired |
| US5757176A | Method and system for controlling output current of a large, low-voltage, DC power supply and obtaining diagnostic information from the operation thereof | Electricity | 8 | Expired |
| US4804819A | Structure and method for resistance welding with an inductively coupled power source | Performing Operations; Transporting | 8 | Expired |
| US4851635A | Method and apparatus for determining the power factor of a circuit | Performing Operations; Transporting | 7 | Expired |
| US5793243A | Method of stabilizing an electronic signal integrator | Physics | 6 | Expired |
| US5757978A | Method and system for detecting localized birefringence defects in a dynamic global birefringence field | Physics | 6 | Expired |
| US5128507A | Weld control structure for and method of delaying initiation of a weld | Performing Operations; Transporting | 5 | Expired |
| US5815255A | Method and system for measuring deflection angle of a beam of light reflected from a disk to determine tilt of the disk | Physics | 5 | Expired |
| US5694384A | Method and system for measuring Kerr rotation of magneto-optical medium | Physics | 4 | Expired |
| US5589088A | Method of regulating DC current in resistance welders | Performing Operations; Transporting | 3 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.