Remote Activation Device for Wireless Wake-on-LAN
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Solution Overview
Problem
Mobile computer workstations, which are often not connected to a wired network, especially when powered off or in secure locations, cannot utilize Wake-on-LAN (WOL) functionality for remote activation, and existing solutions for remote power access are not universally applicable across various computer types.
Innovation Solution
A remote activation device comprising a microcontroller and communications controller that simulates a network host computer to send a WOL magic packet to a mobile workstation, enabling it to power on and connect to a wireless network, with optional user-accessible switches, antennas for radio signals, and timers for automated operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If WOL functionality is implemented in mobile computer workstations, then remote activation capability is improved, but the requirement for wired network connection and physical accessibility of power switch creates limitations in mobile environments
Solution Approach 1:
The patent introduces a remote activation device as an intermediary between the user and the computer system. This device includes a communications controller that can establish wireless connections to send activation signals, and a power switch that can be remotely actuated. The intermediary device bridges the gap between the user's need for remote access and the computer's requirement for a physical activation mechanism, making WOL functionality applicable to mobile computers regardless of their network connection status or physical location.
Solution Approach 2:
The remote activation device is designed to be universally applicable across different computer types and configurations. It can work with various operating systems (Windows, Mac OS, Linux) and different computer form factors (desktops, laptops, tablets). The device provides multiple functions including wireless communication for sending activation packets, remote power switching, and compatibility with both wired and wireless network interfaces, making it adaptable to diverse mobile computing environments.
2Reliability
If the computer is placed in a secure location for safety, then security is improved, but the power switch becomes inaccessible to users
Solution Approach 1:
The remote activation device serves as an intermediary that allows users to activate computers from a distance. The device includes a remotely accessible power switch that can be actuated without physical contact with the computer itself. Users can trigger the activation sequence through wireless communication or by pressing a button on the remote device, eliminating the need to physically access the computer's power switch while maintaining security protocols.
Solution Approach 2:
The patent replaces the traditional mechanical power switch located on the computer chassis with a remotely controllable switching mechanism. The remote activation device uses electronic control signals transmitted via wireless communication to activate the power switch, substituting the need for direct mechanical interaction with the computer's power button. This allows secure placement of computers while maintaining user accessibility through electronic remote control.
3Adaptability or versatility
If mobile computers use wireless network connectivity instead of wired connections, then mobility is improved, but WOL functionality cannot be utilized when powered off or disconnected
Solution Approach 1:
The remote activation device acts as an intermediary that restores WOL functionality to mobile computers with wireless connectivity. The device includes a communications controller capable of establishing wireless connections to send activation packets, and it can also interface with the computer's power management system. This intermediary architecture allows the computer to remain mobile with wireless connectivity while still enabling remote activation through the device's communication capabilities.
Solution Approach 2:
The system implements preliminary action by maintaining a persistent wireless connection or communication channel between the remote activation device and the computer even when the computer is in sleep or shutdown mode. The communications controller is designed to remain active or quickly wakeful to receive and process activation signals before the computer fully powers on, ensuring that mobility is maintained without sacrificing remote activation reliability.
Data Source
AI summary
A remote activation device for enabling WOL capability in a target computer that is not connected to a wired network is disclosed. The remote activation device is WOL compatible and simulates a network host computer using WOL technology for “waking-up” the target computer. The remote activation device generally comprises a microcontroller and a communications controller. The device is connected to the target computer via the communications controller of the device and a wired network adapter of the target computer. As such, the remote activation device forms a “mini-network” with the target computer. The remote activation device generates and sends a WOL magic packet to the target computer instructing the computer to power ON. Once the computer is powered ON, the computer is able to wirelessly connect to a WLAN in the target computer's work environment. A computer administrator is then able to manage the target computer via network host computer. Alternatively, a computer user is able to commence work on the target computer.