18416975. MULTIPLEXER simplified abstract (Murata Manufacturing Co., Ltd.)

MULTIPLEXER

Organization Name

Murata Manufacturing Co., Ltd.

Inventor(s)

Norihiko Nakahashi of Nagaokakyo-shi (JP)

MULTIPLEXER - A simplified explanation of the abstract

This abstract first appeared for US patent application 18416975 titled 'MULTIPLEXER

The abstract describes a patent application for a multiplexer with specific filtering and additional circuitry features.

• The multiplexer includes filters with different frequency bands connected to input/output terminals.
• An additional circuit with a resonator and IDT electrodes is connected to the common terminal and part of the path to the first input/output terminal.
• The resonator includes IDT electrodes on a piezoelectric substrate, with the widest electrode finger pitch connected to the common terminal.

Potential Applications: - Telecommunications - Signal processing - Wireless communication systems

Problems Solved: - Efficient signal filtering - Improved signal transmission quality - Enhanced frequency band separation

Benefits: - Higher signal clarity - Reduced interference - Enhanced overall system performance

Commercial Applications: Title: Advanced Multiplexer Technology for Enhanced Signal Processing This technology can be used in telecommunications equipment, wireless communication systems, and signal processing devices, offering improved signal quality and performance.

Questions about the technology: 1. How does the resonator with IDT electrodes improve signal filtering?

  The resonator with IDT electrodes helps to enhance signal clarity and reduce interference by effectively filtering out unwanted frequencies.

2. What are the advantages of using different frequency bands in the filters of the multiplexer?

  Using different frequency bands in the filters allows for better separation of signals, leading to improved overall system performance.

Original Abstract Submitted

A multiplexer includes a common terminal, first and second input/output terminals, a filter connected between the common terminal and the first input/output terminals and having a pass band including a first frequency band, a filter that is connected between the common terminal and the second input/output terminal and having a pass band including a second frequency band lower than the first frequency band, and an additional circuit including a first end connected to the common terminal and a second end connected to portion of a path connecting the common terminal and the first input/output terminal, the portion excluding the common terminal. The additional circuit includes a resonator including IDT electrodes on a piezoelectric substrate, and the IDT electrode with a widest electrode finger pitch is connected to the common terminal.