- All sections
- H - Electricity
- H03B - Generation of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching mannergeneration of noise by such circuits
- H03B 21/04 - Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies using several similar stages
Patent holdings for IPC class H03B 21/04
Total number of patents in this class: 3
10-year publication summary
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0
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0
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0
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0
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1
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0
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0
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0
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 158442 |
1 |
| Electronics and Telecommunications Research Institute | 9684 |
1 |
| BAE SYSTEMS plc | 2500 |
1 |
| Other owners | 0 |