- All sections
- H - Electricity
- H03G - Control of amplification
- H03G 9/10 - Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers having discharge tubes for tone control and volume expansion or compression
Patent holdings for IPC class H03G 9/10
Total number of patents in this class: 3
10-year publication summary
0
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1
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0
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1
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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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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Dolby Laboratories Licensing Corporation | 3883 |
3 |
Other owners | 0 |