Light field display for rendering perception-adjusted content, and dynamic light field shaping system and layer therefor
US-2024305768-A1 · Sep 12, 2024 · US
using varifocal lenses or mirrors
using varifocal lenses or mirrors · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H04N13/322 |
| Official title | using varifocal lenses or mirrors |
| Display label | using varifocal lenses or mirrors |
| Total patents | 243 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 17 |
| 2016 | 24 |
| 2017 | 14 |
| 2018 | 9 |
| 2019 | 17 |
| 2020 | 29 |
| 2021 | 26 |
| 2022 | 29 |
| 2023 | 24 |
| 2024 | 20 |
| 2025 | 26 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Three dimensional display screen
US-2018278912-A1 · Sep 27, 2018 · US
Stereoscopic image display device
US-10061135-B2 · Aug 28, 2018 · US
System, apparatus, and method for displaying an image using focal modulation
US-9995857-B2 · Jun 12, 2018 · US
Content-adaptive multi-focal display
US-9866826-B2 · Jan 9, 2018 · US
Combined light modulation device for tracking users
US-2017357098-A1 · Dec 14, 2017 · US
Multi-view autostereoscopic display and method for controlling optimal viewing distance thereof
US-9838674-B2 · Dec 5, 2017 · US
Autostereoscopic displays
US-9823482-B2 · Nov 21, 2017 · US
Resonant modulation of varifocal liquid membrane lens to provide multiple concurrent focal planes in vr display for realistic focus cues
US-2017301313-A1 · Oct 19, 2017 · US
Display apparatus, display apparatus driving method, and electronic instrument
US-2017264891-A1 · Sep 14, 2017 · US
Combined light modulation device for tracking users
US-9746684-B2 · Aug 29, 2017 · US
Stereoscopic image device
US-9749611-B2 · Aug 29, 2017 · US
Display system and control method thereof
US-9712813-B2 · Jul 18, 2017 · US
Heads up display system for vehicle
US-2017153457-A1 · Jun 1, 2017 · US
Display device
US-9628781-B2 · Apr 18, 2017 · US
Lens element
US-9612445-B2 · Apr 4, 2017 · US
Multifocal representation device and multifocal representation method for the three-dimensional representation of an object
US-9582927-B2 · Feb 28, 2017 · US
Displaying method of stereoscopic display device
US-9568739-B2 · Feb 14, 2017 · US
Three dimensional virtual and augmented reality display system
US-2017023794-A1 · Jan 26, 2017 · US
Display switchable between 2d and 3d modes and control method thereof
US-2016353097-A1 · Dec 1, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H04N13/322?
- CPC H04N13/322 is the Cooperative Patent Classification code for “using varifocal lenses or mirrors.”
- How many patents are filed under CPC H04N13/322 (using varifocal lenses or mirrors)?
- Our database includes 243 publications tagged with this CPC code.
- Is patent activity under CPC H04N13/322 growing?
- Publication counts under this code: 20 in 2024 vs 26 in 2025 (latest complete years).