18151628. OFFSET REDUCTION FOR SILICON MICROPHONES simplified abstract (Infineon Technologies AG)

OFFSET REDUCTION FOR SILICON MICROPHONES

Organization Name

Infineon Technologies AG

Inventor(s)

Hong Chen of Pogöriach (AT)

Benno Muehlbacher of Villach-St. Magdalen (AT)

Michael Reinhold of Erlangen (DE)

Juergen Roeber of Stegaurach (DE)

Andreas Wiesbauer of Pörtschach a. W. (AT)

OFFSET REDUCTION FOR SILICON MICROPHONES - A simplified explanation of the abstract

This abstract first appeared for US patent application 18151628 titled 'OFFSET REDUCTION FOR SILICON MICROPHONES

The abstract describes a microphone with various circuits for bias voltage reception, offset reduction, signal amplification, and capacitor coupling.

• The microphone includes a first resistor circuit for receiving a bias voltage.
• An offset reduction circuit is coupled to the first resistor circuit.
• A second resistor circuit is connected to the offset reduction circuit.
• An amplifier is linked to the second resistor circuit to receive an input signal and produce an output signal.
• A capacitor circuit is attached to the amplifier, the offset reduction circuit, and the second resistor circuit.

Potential Applications: - This technology can be used in various audio recording devices such as microphones, headsets, and audio interfaces. - It can also be implemented in communication systems, voice recognition devices, and sound reinforcement systems.

Problems Solved: - Helps in reducing offset errors in microphone signals. - Improves the overall performance and accuracy of audio recording equipment.

Benefits: - Enhanced signal quality and reduced noise interference. - Improved accuracy in capturing audio signals. - Increased reliability and consistency in audio recording.

Commercial Applications: Title: Advanced Microphone Technology for High-Quality Audio Recording This technology can be utilized in professional recording studios, live sound setups, broadcast stations, and consumer electronics for high-fidelity audio capture.

Questions about the technology: 1. How does the offset reduction circuit improve the performance of the microphone? 2. What are the advantages of using a capacitor circuit in conjunction with the amplifier in this microphone design?

Original Abstract Submitted

A microphone includes a first resistor circuit for receiving a bias voltage; an offset reduction circuit coupled to the first resistor circuit; a second resistor circuit coupled to the offset reduction circuit; an amplifier coupled to the second resistor circuit configured for receiving an input signal and generating an output signal; and a capacitor circuit coupled to the amplifier, the offset reduction circuit, and the second resistor circuit.