Advanced blocking pattern structures, apparatus and methods for a spatial light modulator
US10698290B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | May 11, 2018 |
| Grant date | Jun 30, 2020 |
| Priority date | — |
| Expiry date | Dec 27, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F2203/13
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A system passively images a scene using an antenna for collecting electromagnetic energy from the scene and directing the electromagnetic energy toward a single pixel sensor. A spatial light modulator includes a flexible tape that supports a series of blocking patterns along its length. The tape moves through the electromagnetic energy in an exposure region as the energy travels from the antenna to the sensor and the tape moves on a transport path that is nonlinear outside of the exposure region. A processor captures a set of output values from the sensor to form an image of the scene based on the set of output values. Two blocking pattern structures, either rigid or flexible, can be superimposed in an exposure region between an antenna and a sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.