Apple inc. (20240161697). SENSING CIRCUIT WITH ENHANCED DYNAMIC RANGE AND ACCURACY simplified abstract

SENSING CIRCUIT WITH ENHANCED DYNAMIC RANGE AND ACCURACY

Organization Name

apple inc.

Inventor(s)

Hasan Akyol of Los Altos CA (US)

Xuebei Yang of Fremont CA (US)

SENSING CIRCUIT WITH ENHANCED DYNAMIC RANGE AND ACCURACY - A simplified explanation of the abstract

This abstract first appeared for US patent application 20240161697 titled 'SENSING CIRCUIT WITH ENHANCED DYNAMIC RANGE AND ACCURACY

Simplified Explanation

The sensing circuit described in the abstract includes a first gain stage with an amplifier, feedback loop, and capacitors controlled by switches to optimize the measurement cycle.

• The first gain stage of the sensing circuit consists of an amplifier with at least one input and one output.
• The feedback loop in the first gain stage includes a first capacitor and a second capacitor connected through switches to control their coupling during different portions of the measurement cycle.

Potential Applications

The technology described in this patent application could be used in various sensing applications where precise measurements are required, such as in medical devices, industrial automation, or environmental monitoring systems.

Problems Solved

This technology solves the problem of accurately measuring signals by optimizing the feedback loop in the gain stage of the sensing circuit, leading to improved performance and reliability in sensing applications.

Benefits

The benefits of this technology include increased accuracy, stability, and efficiency in measuring signals, which can lead to better overall performance of the sensing circuit in various applications.

Potential Commercial Applications

• Medical devices for monitoring vital signs
• Industrial automation systems for process control
• Environmental monitoring systems for measuring air quality

Possible Prior Art

One possible prior art for this technology could be the use of feedback loops in amplifiers for signal processing in various electronic devices. However, the specific configuration of the feedback loop with capacitors controlled by switches as described in this patent application may be a novel innovation.

How does this technology compare to existing sensing circuits in terms of accuracy and efficiency?

The article does not provide a direct comparison between this technology and existing sensing circuits in terms of accuracy and efficiency. Further research or testing would be needed to determine the performance differences between this technology and other sensing circuits.

What are the potential limitations or challenges in implementing this technology in practical applications?

The article does not address potential limitations or challenges in implementing this technology in practical applications. Factors such as cost, complexity, and compatibility with existing systems could be important considerations that are not discussed in the article.

Original Abstract Submitted

a sensing circuit includes at least a first gain stage and a controller for controlling the operation of the first gain stage. the first gain stage includes an amplifier having at least one input and one output, and a feedback loop coupled between the input and the output of the amplifier. the feedback loop includes a first capacitor coupled between the input and the output of the amplifier, and a second capacitor having a first terminal coupled to the input of the amplifier through a first switch and a second terminal coupled to the output of the amplifier through a second switch. the second capacitor is configured to be coupled in parallel to the first capacitor during a first portion of a measurement cycle, and disconnected from the first capacitor during a second portion of the measurement cycle.