18635545. AD CONVERSION CIRCUIT PHOTOELECTRIC CONVERSION APPARATUS, PHOTOELECTRIC CONVERSION SYSTEM, AND MOVING BODY simplified abstract (CANON KABUSHIKI KAISHA)

From WikiPatents
Jump to navigation Jump to search

AD CONVERSION CIRCUIT PHOTOELECTRIC CONVERSION APPARATUS, PHOTOELECTRIC CONVERSION SYSTEM, AND MOVING BODY

Organization Name

CANON KABUSHIKI KAISHA

Inventor(s)

MASANORI Furuta of Kanagawa (JP)

AD CONVERSION CIRCUIT PHOTOELECTRIC CONVERSION APPARATUS, PHOTOELECTRIC CONVERSION SYSTEM, AND MOVING BODY - A simplified explanation of the abstract

This abstract first appeared for US patent application 18635545 titled 'AD CONVERSION CIRCUIT PHOTOELECTRIC CONVERSION APPARATUS, PHOTOELECTRIC CONVERSION SYSTEM, AND MOVING BODY

The abstract describes an AD conversion circuit that consists of multiple first AD converters, voltage holding circuits, a second AD converter, and a selector circuit. Each first AD converter is a delta-sigma AD converter with a first input terminal, while each voltage holding circuit is connected to a corresponding first AD converter. The second AD converter, also a delta-sigma AD converter, includes a second input terminal, and the selector circuit is connected to the voltage holding circuits and the second input terminal to choose a voltage holding circuit to connect to the second input terminal.

  • The circuit includes multiple delta-sigma AD converters for accurate conversion.
  • Voltage holding circuits are connected to the first AD converters for stability.
  • A selector circuit chooses a voltage holding circuit for the second AD converter.
  • The design aims to improve the precision and efficiency of AD conversion.
  • The circuit configuration allows for optimized signal processing.

Potential Applications: This technology can be used in various applications requiring high-precision analog-to-digital conversion, such as sensor systems, communication devices, and instrumentation.

Problems Solved: The circuit addresses the need for accurate and stable AD conversion in complex electronic systems.

Benefits: - Improved accuracy and precision in analog-to-digital conversion. - Enhanced stability and efficiency in signal processing. - Versatile applications in different electronic devices and systems.

Commercial Applications: Title: High-Precision AD Conversion Circuit for Electronic Systems This technology can be commercialized for use in sensor networks, telecommunications equipment, medical devices, and industrial automation systems.

Prior Art: Researchers can explore prior patents related to delta-sigma AD converters, voltage holding circuits, and selector circuits for similar innovations in AD conversion technology.

Frequently Updated Research: Researchers are continually exploring advancements in delta-sigma AD conversion techniques, circuit design for improved signal processing, and applications of high-precision AD converters in various industries.

Questions about AD Conversion Circuits: 1. How does the selector circuit in this AD conversion circuit improve overall performance? The selector circuit optimizes the connection between the voltage holding circuits and the second AD converter, enhancing signal processing accuracy and efficiency.

2. What are the key advantages of using delta-sigma AD converters in this circuit design? Delta-sigma AD converters offer high resolution, low noise, and excellent linearity, making them ideal for precise analog-to-digital conversion in complex electronic systems.


Original Abstract Submitted

An AD conversion circuit includes a plurality of first AD converters, a plurality of voltage holding circuits, a second AD converter, and a selector circuit. Each of the plurality of first AD converters includes a first input terminal. Each of the plurality of first AD converters is a delta-sigma AD converter. Each of the plurality of voltage holding circuits is connected to corresponding one of the plurality of first AD converters. The second AD converter is a delta-sigma AD converter and includes a second input terminal. The selector circuit is connected to the plurality of voltage holding circuits and to the second input terminal. The selector circuit is configured to select, from among the plurality of voltage holding circuits, a voltage holding circuit to be connected to the second input terminal.