Patents
US 10247611 B1: Enhanced detector operation made possible by application of a functional plurality of gratings and combination dichroic beam splitter-prisms
- Granted
- 2019-04-02
- Filed
- 2015-12-14 application 14757280
- Type
- Utility · 30 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Application of detectors of electromagnetic radiation and systems for enabling the optimization thereof for application over various specific wavelength ranges, involving functional combinations of gratings and/or combination dichroic beam splitter-prisms, which themselves can be optimized as regards wavelength dispersion characteristics.
Source: PVGPATDIS, file of 2026-04-10 (ipg190402.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| J.A. WOOLLAM CO., INC. 108 patents | US company or organization | Lincoln, NE | J.A. WOOLLAM CO., INC. State business registration EXACT high confidence: identical full name and state | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Martin M. Liphardt | Lincoln, NE | 78 | PVGPATDIS, file of 2026-04-10 | |
| Ping He | Lincoln, NE | 84 | PVGPATDIS, file of 2026-04-10 | |
| Duane E. Meyer | Lincoln, NE | 7 | PVGPATDIS, file of 2026-04-10 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| G01J | Measurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light; colorimetry; radiation pyrometry | G01J4/04 | PVGPATDIS, file of 2026-04-10 |
| G01N | Investigating or analysing materials by determining their chemical or physical properties | G01N21/211 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2016-05-09 | Assignment Assignment of assignor's interest | HE, PING signed 2015-12-07 LIPHARDT, MARTIN M. signed 2015-12-07 MEYER, DUANE E. signed 2015-12-07 | J. A. WOOLLAM CO., INC. LINCOLN, NE | 38662/673 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.