Juhani Tuovinen

Title: Juhani Tuovinen: Inventor of Tactile and Capacitive Keypad Technologies.

Introduction

Juhani Tuovinen is an inventor based in Espoo, Finland. His work includes inventions related to touchscreen interfaces, tactile feedback, and keypad design. He is associated with 7 patents.

Latest Patents

Tuovinen’s patent portfolio includes inventions that address how users interact with electronic keypads.

- **Piezoelectric User Interface.** This invention describes a touchscreen keypad that provides tactile feedback when a user presses a key. Piezoelectric elements generate vibrations that are transmitted to the user, offering a compact way to create a physical response without requiring bulky components.

- **Keypad Apparatus.** This invention concerns implementing different types of keys on a keypad or keyboard. A capacitive sensor detects an object touching or approaching an electrode and generates a signal. When a dome is pressed, it completes an electrical circuit that forms a second capacitor circuit and produces another signal.

Career Highlights

Tuovinen’s professional experience includes work with Nokia Corporation and Nokia Technologies Oy. His inventions reflect an interest in combining capacitive sensing, mechanical key structures, and tactile feedback in user-interface devices.

Collaborations

Tuovinen’s listed coworkers include Marko Karhiniemi and Jari Nousiainen.

Conclusion

Juhani Tuovinen’s patented work focuses on making keypad interactions more responsive through tactile feedback and adaptable sensing technologies.