Asynchronous state machine for managing deep sleep state
US10884478B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 1, 2018 |
| Grant date | Jan 5, 2021 |
| Priority date | — |
| Expiry date | Mar 23, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02D10/00
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An asynchronous state machine (ASM) for managing deep sleep state of a device and related methods are described. One method includes the ASM automatically detecting a request to wake up the device based on either a change in a status of a power user-interface element associated with the device or upon a detection of an attachment of an external power source to the device. The method further includes the ASM automatically initiating a wake-up sequence including turning on a battery pack associated with the device. The method further includes the ASM automatically detecting whether a power management function associated with the device is enabled and automatically transferring control of a remaining portion of the wake-up sequence to the power management function and the ASM passing the status of the power user-interface element to the power management function as needed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.