Image projection device and planetarium
US-10824063-B2 · Nov 3, 2020 · US
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Planetaria; Globes
Planetaria; Globes · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G09B27/00 |
| Official title | Planetaria; Globes |
| Display label | Planetaria; Globes |
| Total patents | 6 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be declining based on the most recent years.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Image display apparatus
US-10423059-B2 · Sep 24, 2019 · US
Space flight simulator, planetarium having the same, and space flight simulating program
US-10189585-B2 · Jan 29, 2019 · US
Image Display Apparatus
US-2018356718-A1 · Dec 13, 2018 · US
Image projection device and planetarium
US-2018335686-A1 · Nov 22, 2018 · US
Method and system for producing full motion media to display on a spherical surface
US-9185374-B2 · Nov 10, 2015 · US