- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 9/825 - Transformation of the television signal for recording, e.g. modulation, frequency changingInverse transformation for playback the individual colour picture signal components being recorded simultaneously only the luminance and chrominance signals being recorded in separate channels
Patent holdings for IPC class H04N 9/825
Total number of patents in this class: 9
10-year publication summary
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1
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0
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0
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1
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1
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2
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1
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0
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1
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 145630 |
3 |
| Comcast Cable Communications, LLC | 4700 |
3 |
| LG Electronics Inc. | 72890 |
1 |
| OmniVision Technologies, Inc. | 1559 |
1 |
| Enhanced Visions Systems, Inc. | 62 |
1 |
| Other owners | 0 |