Reflective video display apparatus for interactive training and demonstration and methods of using same
US-2021379471-A1 · Dec 9, 2021 · US
using a transparent mirror or other light reflecting surface transparent to transmitted light whereby a sign, symbol, picture or other is visible only when illuminated
using a transparent mirror or other light reflecting surface transparent to transmitted light whereby a sign, symbol, picture or other is visible only when illuminated · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G09F13/12 |
| Official title | using a transparent mirror or other light reflecting surface transparent to transmitted light whereby a sign, symbol, picture or other is visible only when illuminated |
| Display label | using a transparent mirror or other light reflecting surface transparent to transmitted light whereby a sign, symbol, picture or other is visible only when illuminated |
| Total patents | 161 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 3 |
| 2017 | 2 |
| 2018 | 7 |
| 2019 | 6 |
| 2020 | 19 |
| 2021 | 49 |
| 2022 | 37 |
| 2023 | 21 |
| 2024 | 9 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Reflective video display apparatus for interactive training and demonstration and methods of using same
US-2021379472-A1 · Dec 9, 2021 · US
Reflective video display apparatus for interactive training and demonstration and methods of using same
US-2021370154-A1 · Dec 2, 2021 · US
Reflective video display apparatus for interactive training and demonstration and methods of using same
US-2021362030-A1 · Nov 25, 2021 · US
Reflective video display apparatus for interactive training and demonstration and methods of using same
US-2021362031-A1 · Nov 25, 2021 · US
Reflective video display apparatus for interactive training and demonstration and methods of using same
US-11173377-B1 · Nov 16, 2021 · US
Reflective video display apparatus for interactive training and demonstration and methods of using same
US-11173378-B2 · Nov 16, 2021 · US
Mirror surface display device and light reflecting and transmitting member
US-2021311358-A1 · Oct 7, 2021 · US
Reflective video display apparatus for interactive training and demonstration and methods of using same
US-11135503-B2 · Oct 5, 2021 · US
Reflective video display apparatus for interactive training and demonstration and methods of using same
US-11135504-B1 · Oct 5, 2021 · US
Reflective video display apparatus for interactive training and demonstration and methods of using same
US-11110336-B2 · Sep 7, 2021 · US
Image display device
US-11086156-B2 · Aug 10, 2021 · US
Reflective video display apparatus for interactive training and demonstration and methods of using same
US-2021228968-A1 · Jul 29, 2021 · US
Reflective video display apparatus for interactive training and demonstration and methods of using same
US-2021205689-A1 · Jul 8, 2021 · US
Display switching device
US-2021209976-A1 · Jul 8, 2021 · US
Reflective video display apparatus for interactive training and demonstration and methods of same
US-11045709-B2 · Jun 29, 2021 · US
Display module and display system
US-2021181869-A1 · Jun 17, 2021 · US
Reflective video display apparatus for interactive training and demonstration and methods of same
US-2021146222-A1 · May 20, 2021 · US
Reflective video display apparatus for interactive training and demonstration and methods of using same
US-2021046374-A1 · Feb 18, 2021 · US
Image display device
US-2020409206-A1 · Dec 31, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G09F13/12?
- CPC G09F13/12 is the Cooperative Patent Classification code for “using a transparent mirror or other light reflecting surface transparent to transmitted light whereby a sign, symbol, picture or other is visible only when illuminated.”
- How many patents are filed under CPC G09F13/12 (using a transparent mirror or other light reflecting surface transparent to transmitted light whereby a sign, symbol, picture or other is visible only when illuminated)?
- Our database includes 161 publications tagged with this CPC code.
- Is patent activity under CPC G09F13/12 growing?
- Publication counts under this code: 9 in 2024 vs 4 in 2025 (latest complete years).