Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Interferometric optical position encoder employing spatial filtering of diffraction orders for improved accuracy

Interferometric optical position encoder employing spatial filtering of diffraction orders for improved accuracy

US Patent 7480060 · Granted Jan 20, 2009

Estimated economic value: $813,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Scanned DLP with pixel drift2025
Use of dye-type polarizers in a photopolymer curing device2025
Techniques for contamination detection in additive fabrication and related syste2025
Bone implant device2024
Techniques for generation and direction of light in additive fabrication and rel2024
Techniques for application of light in additive fabrication and related systems 2023
Techniques for contamination detection in additive fabrication and related syste2023
Swappable optics module for additive fabrication devices2023
System and method for automatically attaching a tag and highlight in a single ac2022
Techniques for directing light from a movable stage in additive fabrication and 2022
Techniques for optimizing photopolymer cure energy in additive fabrication2022
Techniques for application of light in additive fabrication and related systems 2022