Stefan M. APELQVIST

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Vaggeryd, SE

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Patents Grantslast 30 patents

Information Patent Grant
Voice-activated sound encoding for headsets using frequency domain...
- Patent number 11,418,866
- Issue date Aug 16, 2022
- 3M Innovative Properties Company
- Stefan M. Apelqvist
- G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

Information Patent Application
SYSTEM AND METHOD FOR USE WITH ARTICLE OF PERSONAL PROTECTIVE EQUIP...
- Publication number 20240121577
- Publication date Apr 11, 2024
- 3M Innovative Properties Company
- Abel Gladstone Mangam
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VOICE-ACTIVATED SOUND ENCODING FOR HEADSETS USING FREQUENCY DOMAIN...
- Publication number 20210014599
- Publication date Jan 14, 2021
- 3M Innovative Properties Company
- Stefan M. Apelqvist
- G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information Patent Application
COMMUNICATION DEVICE AND NETWORK USING TDMA RADIO COMMUNICATION PRO...
- Publication number 20200413399
- Publication date Dec 31, 2020
- 3M Innovative Properties Company
- Roger KIHLBERG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION DEVICE AND NETWORK USING TDMA RADIO COMMUNICATION PRO...
- Publication number 20180167940
- Publication date Jun 14, 2018
- 3M Innovative Properties Company
- Roger KIHLBERG
- H04 - ELECTRIC COMMUNICATION TECHNIQUE