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COMPLETELY Wireless Power!!! HOLY S#!T - Wi-Charge Technology

Linus Tech Tips@LinusTechTips1.8M viewsMay 30, 20189:33
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The video introduces and demonstrates an ambitious long-range wireless power concept centered on a ceiling-mounted transmitter that projects a high energy infrared beam. The host explains that conventional wireless charging works only at short distances and requires precise alignment, then shows how a dedicated transmitter can track a moving receiver to supply power across a room. A key demonstration uses trains moving around the space, powered without onboard batteries, as the infrared beam remains targeted and line-of-sight dependent. The system uses a photovoltaic receiver tuned to the transmitter's infrared signature, and the transmitter can resume power delivery within seconds after line of sight is restored, addressing safety concerns by emphasizing non-ionizing infrared light and regulatory approvals. The talk contrasts this long-range approach with conventional Qi wireless charging, highlighting potential applications such as public spaces, cafes, and tables embedded with power capabilities, while acknowledging practical limits like power levels and the need for further productization. The speaker also muses about future integrations, such as receivers built into devices and the possibility of seamless room-wide charging, suggesting a pathway toward a cord-free ecosystem that could redefine device usability and mobility. The video closes by noting prototypes, the ongoing development, and the potential for broader adoption once commercial versions are available, inviting excitement about how power delivery could evolve alongside consumer electronics design. The overall takeaway is a promising glimpse into wireless power that challenges traditional charging paradigms while balancing safety, practicality, and user convenience.

Topics · Science & Technology · Technology · Innovation · Mobile & Wireless

Questions answered

Что делает технология беспроводной передачи энергии от Wi-Charge лучше обычной индукционной зарядки ближнего действия?
Она передает энергию на расстоянии за счет направленного инфракрасного луча, который отслеживает приемник и может питать устройства без физического контакта, в отличие от обычной беспроводной зарядки ближнего действия.
Какие ограничения по мощности у демонстрируемой системы и каковы будущие планы по коммерциализации?
На данный момент демонстрируются варианты на примерно 1 ватт и до 3 ватт с разными приемниками; производственная версия ориентирована на более практичные решения, такие как интеграция в столы и бытовые устройства, с дальнейшей разработкой для большего диапазона и мощности.