- All sections
- H - Electricity
- H03L - Automatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses
- H03L 7/199 - Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a time difference being used for locking the loop, the counter counting between numbers which are variable in time or the frequency divider dividing by a factor variable in time, e.g. for obtaining fractional frequency division with reset of the frequency divider or the counter, e.g. for assuring initial synchronisation
Patent holdings for IPC class H03L 7/199
Total number of patents in this class: 22
10-year publication summary
2
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1
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3
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2
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2
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2
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3
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1
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4
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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. | 140622 |
2 |
Fondazione Istituto Italiano di Tecnologia | 564 |
2 |
Analog Devices International Unlimited Company | 1844 |
2 |
Shaoxing Yuanfang Semiconductor Co., Ltd. | 26 |
2 |
Qualcomm Incorporated | 82781 |
1 |
International Business Machines Corporation | 60389 |
1 |
Fujitsu Limited | 18408 |
1 |
Fujitsu Ten Limited | 470 |
1 |
Texas Instruments Incorporated | 19457 |
1 |
Texas Instruments Japan, Ltd. | 1656 |
1 |
Altera Corporation | 2192 |
1 |
Amazon Technologies, Inc. | 26072 |
1 |
Ciena Corporation | 1970 |
1 |
ARM Limited | 4527 |
1 |
Asahi Kasei Microdevices Corporation | 509 |
1 |
Renesas Electronics America Inc. | 317 |
1 |
STMicroelectronics International N.V. | 2894 |
1 |
Changxin Memory Technologies, Inc. | 4926 |
1 |
Other owners | 0 |