Sony Patents a Self-Powered Device That Captures and Displays Images
Sony has filed a patent for an electronic device that runs its camera and screen entirely on power it generates itself, with no plug or external battery needed.
What Sony's self-powered camera display actually does
Imagine picking up a small device to see what's around a corner or monitor a room, and never once worrying about plugging it in or swapping batteries. That's the scenario Sony's new patent is designed for.
The device contains three things working together: something that generates power (the patent doesn't specify exactly what, but think small solar cells or a similar harvesting method), something that stores that power, and then a camera plus a screen that both run off that stored energy. The camera captures whatever is nearby, and the screen shows you the picture, all without a single wire connecting it to the wall.
Sony is essentially patenting the combination of self-generated power with a live camera-and-display loop in one unit. It's a simple idea on the surface, but pulling it off reliably, especially keeping a screen lit, is the hard part.
An electronic device comprising: a power generation section that generates power; a power storage section that stores the power generated by the power generation section; an image sensor that captures an image of a periphery of the electronic device; and a display section that displays an image corresponding to a subject imaged by the image sensor …
Translation: The device includes a built-in power source, a battery, a camera for its surroundings, and a screen to show what it sees.
How the device generates, stores, and uses its own power
The patent covers an electronic device built around four core components that work as a closed loop.
- Power generation section: This part creates electricity. The patent keeps the method open-ended, which means Sony could use solar cells, kinetic energy harvesting, or another source depending on the final product.
- Power storage section: Whatever power gets generated is held here, acting like a small internal reservoir so the device can keep running even when generation dips.
- Image sensor: A camera that photographs the environment around the device, essentially the device's eyes.
- Display section: A screen that shows the image the camera just captured, in real time.
The key legal claim is that both the image sensor and the display are driven exclusively by the power sitting in that internal storage. There is no mention of a connection to an external power source anywhere in the core claim.
This is significant because a display is typically the biggest power draw in any portable device. Sustaining both active image capture and active image display from self-generated power in a compact unit is a real engineering constraint, and this patent stakes out that specific combination.
The image sensor 16 and the display section 12 are driven by the power stored in the power storage section 32.
Translation: The camera and the screen run entirely on the energy collected and saved by the device itself.
What this means for cord-free cameras and displays
For consumers, the most direct effect would be a camera-plus-screen device that never needs to be charged from the wall. That could apply to anything from a small security camera that sits in a window and runs on sunlight, to a toy with a built-in viewfinder, to a wearable with a live-view display.
Sony Interactive Entertainment sits at the intersection of gaming hardware and consumer electronics, so the application space is genuinely wide. The US classification code on this filing (446/460) points toward toys and amusement devices, which suggests Sony may be thinking about something more playful than an industrial sensor. Patentlyze covers plain-English patent summaries across self-powered and energy-harvesting device filings from major consumer electronics companies, and Sony's entry into this space with a display-plus-camera combination is a notable direction.
For the person wearing this headset, the big win is never having to plug it in. A display that gathers and stores its own power becomes something you simply put on and use, not something you babysit.
That said, the patent describes a broad idea, not a finished product. How much of that benefit you actually feel depends on how well Sony builds the power-collecting parts in real life.
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The drawings
8 drawing sheets from US 2026/0241303 A1 · click any drawing to enlarge
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