Advanced Micro Devices. has been granted a patent for a method and apparatus that manages power consumption in computer systems. The process involves a first device signaling a second device’s controller to change power states, confirming the request, and handling wake events to transition back to the original state. GlobalData’s report on Advanced Micro Devices gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Advanced Micro Devices, Device power optimization was a key innovation area identified from patents. Advanced Micro Devices's grant share as of July 2024 was 71%. Grant share is based on the ratio of number of grants to total number of patents.
Power management method for computer system devices
The patent US12072754B2 outlines a method and system for managing power consumption in computer systems, particularly focusing on the interaction between a first device, such as a system on chip (SoC), and a second device, which is an external device controlled by an embedded controller (EC). The method involves a series of steps where the processor of the first device sends a signal to the EC of the second device, requesting it to transition from a first power state to a second, lower power state. Upon receiving confirmation from the EC, the first device then sends a second signal to effectuate this transition. The first device subsequently enters a sleep mode, with the ability to wake a portion of itself in response to a wake event, which is also communicated to the EC to revert the second device back to the first power state.
Additionally, the claims detail various aspects of the system, including the confirmation signals exchanged between the devices, the preparation of the second device for waking, and the nature of the wakeup signal, which can be a transaction signal. The patent emphasizes the efficiency of power management by allowing the first device to enter a sleep mode while maintaining communication with the second device. It also specifies that the wakeup signal can be transmitted using a portion of the first device, which is determined based on information stored in the EC. This innovative approach aims to enhance power efficiency in interconnected devices, particularly in scenarios where devices need to conserve energy while remaining responsive to events.
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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.
