- All sections
- H - Electricity
- H03L - Automatic control, starting, synchronisation or stabilisation of generators of electronic oscillations or pulses
- H03L 7/197 - 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
Patent holdings for IPC class H03L 7/197
Total number of patents in this class: 553
10-year publication summary
58
|
49
|
66
|
56
|
53
|
52
|
41
|
35
|
14
|
7
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Qualcomm Incorporated | 85914 |
38 |
Intel Corporation | 47051 |
24 |
Texas Instruments Incorporated | 19456 |
24 |
Mitsubishi Electric Corporation | 46249 |
18 |
Skyworks Solutions, Inc. | 3735 |
17 |
Marvell Asia PTE, Ltd. | 6532 |
15 |
Samsung Electronics Co., Ltd. | 147003 |
14 |
Infineon Technologies AG | 8235 |
14 |
Xilinx, Inc. | 3991 |
13 |
Seiko Epson Corporation | 19425 |
10 |
Mediatek Inc. | 5143 |
10 |
STMicroelectronics International N.V. | 3223 |
9 |
Cavium International | 5005 |
9 |
Apple Inc. | 55229 |
8 |
NPX B.V. | 2552 |
8 |
Analog Devices, Inc. | 3378 |
8 |
Silicon Laboratories Inc. | 1130 |
8 |
Perceptia IP Pty Ltd | 10 |
8 |
Huawei Technologies Co., Ltd. | 113191 |
7 |
Ciena Corporation | 2034 |
7 |
Other owners | 284 |