A New Samsung Patent Turns Smart Rings Into a Stylus for Phone Drawing
Samsung describes a way to draw on a phone with a bare finger while two smart rings stand in for a stylus. One ring tracks how far you bend a finger, and the other tracks how you tilt the finger doing the drawing.
What Samsung's smart-ring drawing patent does
A sketching app sits open on a phone, and the stylus is back at home. Draw with a bare finger and every line comes out the same: same width, same shade, no matter how hard you press or how you lean the finger.
Samsung's patent application tries to fix that with smart rings. In its examples, one ring sits on a finger of your free hand and senses how far you bend it, which the phone treats like pressing harder. A second ring sits on the finger you draw with and senses how that finger tilts.
The phone turns those two readings into line thickness, transparency and how smoothly one tone fades into another, then draws your touch with those settings. The screen doesn't need a special pen-sensing layer.
receive data related to a pressure value from a first wearable device through the wireless communication circuit and receive and data related to a first inclination value from a second wearable device …
Translation: The phone gets data about how hard you press and how the wearable device is tilted.
How finger bend and finger tilt shape each stroke
The claimed setup has a phone with a touch screen plus two wearables, which the filing's examples show as smart rings. The first ring reports a pressure value, from a sensor that feels how hard the ring is squeezed as the finger bends. The second reports an inclination value (tilt), from motion sensors like the ones that tell a phone which way is up.
The phone then maps those readings onto the brush:
- Pressure sets line thickness and/or transparency.
- Tilt sets gradation, meaning how one tone, color or texture shifts into another.
- Your touch on the screen decides where the stroke goes.
The filing gives a sample: at 0 degrees of tilt a stroke has one tone, and at 60 degrees it has four, with a thicker line. Extra claims let the phone subtract its own tilt to find the finger's angle against the screen, factor in the size of the touched patch, and show sliders to weight each setting (the example range is 0.5 to 2 times). A preview of the brush appears when a ring's Bluetooth signal is strong enough, meaning the ring is close.
The description also covers an eraser mode, where the same readings set the eraser's size and strength, and a bleed setting that spreads a stroke like wet ink.
… determine, based on the pressure value, a first attribute value related to a thickness of a drawing and/or a transparency of the drawing, determine a second attribute value related to gradation of the drawing based on the first tilt value …
Translation: The system uses that physical pressure and tilt to control line thickness, transparency, and shading.
Why this matters for drawing without a stylus
If you have ever sketched on a phone with a fingertip, you know the lines come out flat and uniform. This approach would give you pressure and tilt control from gear you might already wear, with no stylus to buy or lose and no pen-sensing layer built into the screen. The sliders would also let you tune how strongly each ring affects the brush.
The catch is the setup. The full effect takes two rings, one on each hand, and many people own none. Pressure comes from bending a finger on your other hand, so it would take some practice. It is also a patent application, so there is no sign yet that a drawing app will ever work this way.
Samsung's 33rd filing we've tracked since June in our wearables reading your body watch, following one on separating heartbeat from arm motion and one on focusing light without lenses, adds to its body-sensing work.
The benefit lands on one person: someone who sketches on a phone and doesn't own a stylus. You would notice it the first time a line gets thicker as you curl a finger on your other hand. That feels quite different from pressing harder on glass, and plenty of people will find it odd at first.
The cost is steep for casual doodling. Two smart rings are a lot of gear, and an ordinary stylus already gives pressure and tilt with a single tool.
The idea earns its place for people who already wear a ring and want to catch a quick sketch on a phone without hunting for a pen. Verdict: a clever workaround with a narrow audience.
Get our take in your Top Stories
Liked this breakdown? Add Patentlyze as a preferred source on Google, and our plain-English take shows up more often in your Top Stories the next time Samsung patent news breaks.
There are more where this came from
We read every patent application Big Tech publishes and send you the ones worth knowing. Plain English, free, every week.
The drawings
33 drawing sheets from US 2026/0358914 A1 · click any drawing to enlarge
Show the other 25 sheets
Want this weekly breakdown for a company we don't cover? Patentlyze Pro →
Be the first to weigh in