Class H03B : GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
Subclass 5/06: Generation of oscillations using amplifier with regenerative feedback from output to input (H03B 9/00, H03B 15/00 take precedence) Details Modifications of generator to ensure starting of oscillations
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12261568 | Controlled application of hysteresis in crystal oscillator circuits | Nov 14, 23 | Mar 25, 25 | NXP USA, Inc. |
| 12255584 | Amplitude regulator for crystal oscillator | Nov 19, 21 | Mar 18, 25 | NORDIC SEMICONDUCTOR ASA |
| 12224710 | Low power crystal oscillator | Sep 07, 23 | Feb 11, 25 | STMicroelectronics International N.V. |
| 12206360 | Oscillator acceleration circuit, chip and electronic device | Feb 27, 23 | Jan 21, 25 | SHENZHEN GOODIX TECHNOLOGY CO., LTD. |
| 12155351 | Oscillator circuit, chip and electronic device | Mar 22, 23 | Nov 26, 24 | GigaDevice Semiconductor Inc. |
| 12101060 | Oscillator acceleration circuit, chip and electronic device | Feb 27, 23 | Sep 24, 24 | SHENZHEN GOODIX TECHNOLOGY CO., LTD. |
| 12101090 | Oscillator circuit | May 03, 23 | Sep 24, 24 | EM Microelectronic-Marin SA |
| 12074570 | Oscillation circuit and electronic device | May 07, 21 | Aug 27, 24 | PIEZO STUDIO INC.; INTER-UNIVERSITY RESEARCH INSTITUTE CORPORATION HIGH ACCELERATOR RESEARCH ORGANIZATION; |
| 12040748 | Oscillation circuit and sensor device | Sep 10, 21 | Jul 16, 24 | SEIKO EPSON CORPORATION |
| 12003217 | Oscillator frequency compensation with a fixed capacitor | Oct 13, 22 | Jun 04, 24 | Cypress Semiconductor Corporation |
| 11984849 | Switchover schemes for transition of oscillator from internal-resistor to external-resistor mode | Sep 06, 22 | May 14, 24 | Texas Instruments Incorporated |
| 11973466 | Osciclamp—an electronic circuit to increase low voltage levels of electrical sources | May 17, 22 | Apr 30, 24 | Not available |
| 11901865 | Low power crystal oscillator | Sep 13, 22 | Feb 13, 24 | STMicroelectronics International N.V. |
| 11876486 | Low power crystal oscillator | Jan 16, 23 | Jan 16, 24 | NXP B.V. |
| 11870393 | Semiconductor device and electronic device each having oscillator | May 07, 20 | Jan 09, 24 | SEMICONDUCTOR ENERGY LABORATORY CO., LTD |
| 11848644 | Resistor-capacitor oscillation circuit | Apr 07, 23 | Dec 19, 23 | LANSUS TECHNOLOGIES INC. |
| 11764730 | Oscillator circuits | May 03, 22 | Sep 19, 23 | NORDIC SEMICONDUCTOR ASA |
| 11705861 | Fast startup crystal oscillator circuit with programmable injection time and adaptive startup time to achieve high amplitude oscillation | Jun 29, 22 | Jul 18, 23 | Silicon Laboratories Inc. |
| 11705862 | Method for enhancing the starting of an oscillator of a super-regenerative receiver, and receiver for implementing the method | Jun 30, 22 | Jul 18, 23 | The Swatch Group Research and Develonment Ltd |
| 11699974 | Utilizing the LC oscillator of a frequency synthesizer as an injection source for crystal oscillator startup | Jun 29, 22 | Jul 11, 23 | Silicon Laboratories Inc. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0405,718 | OSCILLATOR CIRCUIT | Aug 16, 24 | Dec 05, 24 | Not available |
| 2024/0275,333 | METHOD FOR OPERATING A FAST START-UP OSCILLATOR SYSTEM, AND FAST START-UP OSCILLATOR SYSTEM | Jan 09, 24 | Aug 15, 24 | The Swatch Group Research and Development Ltd. |
| 2022/0239,255 | FAST STARTUP OF CRYSTAL AND OTHER HIGH-Q OSCILLATORS | Jan 25, 22 | Jul 28, 22 | The Regents of the University of California |
| 2021/0075,403 | RECEIVER | Jan 04, 19 | Mar 11, 21 | Not available |
| 2020/0304,066 | CIRCUIT DEVICE, OSCILLATOR, ELECTRONIC APPARATUS, AND VEHICLE | Mar 19, 20 | Sep 24, 20 | Not available |
| 2020/0177,125 | START-UP CIRCUIT FOR SINGLE-PIN CRYSTAL OSCILLATORS | Nov 30, 18 | Jun 04, 20 | ARM Limited |
| 2020/0099,337 | Clock Circuit And Method For Recalibrating An Injection Oscillator Coupled To Kick-Start A Crystal Oscillator | Sep 20, 18 | Mar 26, 20 | Not available |
| 2020/0007,082 | CLOCK SYNTHESIZER WITH INTEGRATED VOLTAGE DROOP DETECTION AND CLOCK STRETCHING | Jun 29, 18 | Jan 02, 20 | Not available |
| 2019/0363,674 | QUADRATURE CLOCK GENERATION WITH INJECTION LOCKING | May 25, 18 | Nov 28, 19 | Not available |
| 2019/0229,675 | Multi-Stage Sub-THz Frequency Generator Incorporating Injection Locking | Jan 24, 19 | Jul 25, 19 | University College Dublin |
| 2018/0358,925 | SEMICONDUCTOR DEVICE AND ELECTRONIC DEVICE | Jul 26, 18 | Dec 13, 18 | Not available |
| 2016/0218,671 | Fault Detection And Self-Recovery Method For Crystal Oscillator | Jul 31, 15 | Jul 28, 16 | TEXAS INSTRUMENTS INCORPORATED |
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