Projector and method for controlling a projector to power on or off
US11803111B2 · kind B2 · utility
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8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 13, 2020 |
| Grant date | Oct 31, 2023 |
| Priority date | — |
| Expiry date | Aug 15, 2040 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/16
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The present application provides a projector, including: a projector cabin; an opto-mechanical lens arranged at one end of the projector cabin; a sliding cover arranged in front of the opto-mechanical lens; a target sensor configured to collect signals from one end of the projector cabin where the opto-mechanical lens is arranged and one end of the projector cabin away from the opto-mechanical lens; and a driving mainboard connected to the target sensor and configured to control a working state of the projector based on the signals, wherein the working state includes a power-on state and a power-off state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.