Qi Cai

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Austin, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Class D amplifier circuitry
- Patent number 11,799,426
- Issue date Oct 24, 2023
- Cirrus Logic Inc.
- Johnny Klarenbeek
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Microphone bias apparatus and method
- Patent number 10,674,296
- Issue date Jun 2, 2020
- Cirrus Logic, Inc.
- Anindya Battacharya
- G05 - CONTROLLING REGULATING
Information Patent Grant
Receiver and method of receiving analog and digital television signals
- Patent number 9,036,091
- Issue date May 19, 2015
- Silicon Laboratories Inc.
- Alan F. Hendrickson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
CLASS D AMPLIFIER CIRCUITRY
- Publication number 20230170850
- Publication date Jun 1, 2023
- Cirrus Logic International Semiconductor Ltd.
- Johnny KLARENBEEK
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
MICROPHONE BIAS APPARATUS AND METHOD
- Publication number 20190037327
- Publication date Jan 31, 2019
- Cirrus Logic International Semiconductor Ltd.
- Anindya Bhattacharya
- G05 - CONTROLLING REGULATING
Information Patent Application
Receiver and Method of Receiving Analog and Digital Television Signals
- Publication number 20120176550
- Publication date Jul 12, 2012
- Alan F. Hendrickson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE