- All sections
- H - Electricity
- H04N - Pictorial communication, e.g. television
- H04N 5/923 - Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback using preemphasis of the signal before modulation and deemphasis of the signal after demodulation
Patent holdings for IPC class H04N 5/923
Total number of patents in this class: 2
10-year publication summary
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| JVC Kenwood Corporation | 2774 |
1 |
| Industry-Academia Cooperation Group of Sejong University | 129 |
1 |
| Other owners | 0 |