Fitbit has been granted a patent for a computer-implemented method to set RF transmit power of a wireless device. The method involves obtaining power response data, identifying target power detector reading, initializing transmitter gain, and adjusting it based on the difference between readings and target values. GlobalData’s report on Fitbit gives a 360-degree view of the company including its patenting strategy. Buy the report here.

According to GlobalData’s company profile on Fitbit, was a key innovation area identified from patents. Fitbit's grant share as of February 2024 was 58%. Grant share is based on the ratio of number of grants to total number of patents.

Method for setting rf transmit power of a wireless device

Source: United States Patent and Trademark Office (USPTO). Credit: Fitbit Inc

A recently granted patent (Publication Number: US11924656B2) discloses a computer-implemented method for setting RF transmit power of a wireless device. The method involves obtaining power response data for a power detector of the wireless device, identifying a target power detector reading value corresponding to a target transmit power, initializing a transmitter gain, obtaining a power detector reading value, and adjusting the transmitter gain value based on the difference between the actual and target power detector readings. The method also includes configuring the wireless device for wireless communications based on the transmitter gain value, utilizing a power response lookup table, and establishing the power response data during an RF calibration stage.

Furthermore, the patent extends to a wearable device that incorporates a transmitter with a power detector, one or more processors, and nonvolatile memory devices storing computer-readable instructions. The wearable device performs operations such as obtaining power response data, identifying a target power detector reading value, initializing the transmitter gain, obtaining a power detector reading value, and adjusting the transmitter gain value based on predefined tolerance margins. Additionally, the wearable device can be configured for wireless communications based on the transmitter gain value, utilizes a power response lookup table, and establishes the power response data during an RF calibration stage. This innovative method ensures efficient and accurate control of RF transmit power in wireless devices, particularly in wearable technology like LTE transmitters, enhancing overall performance and reliability.

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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.