Patent · US Active

Low-power-consumption low-voltage digital temperature sensor

US12332126B2 · kind B2 · utility

0Cited by

2References

3Claims

0Family size

Assignee

NANJING UNIVERSITY OF POSTS AND TELECOMMUNICATIONS · CN

Inventors

Zhikuang Cai · 安丰镇, CN
Zixuan Wang · 安丰镇, CN
Chen Li · Zhunan Town, TW
Zushuai Xie · 安丰镇, CN
Jingjing Guo · Tokyo, JP
Lu Liu · Chongqing, CN
Yufeng Guo · 安丰镇, CN

Key dates

Filing date	Mar 22, 2021
Grant date	Jun 17, 2025
Priority date	—
Expiry date	Mar 22, 2041

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02D10/00
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A low-power-consumption low-voltage digital temperature sensor, which acquires temperature information by means of the frequency ratio of a first oscillation signal outputted by a first annular oscillator to a second oscillation signal outputted by a second annular oscillator. The first annular oscillator additionally uses an MOS varactor as a load capacitor, and uses the voltage characteristics of the MOS varactor to lower the power supply voltage fluctuation sensitivity, which is suitable for a low-power-consumption low-voltage environment; meanwhile, the sensor has the advantages of a small size, high digitization, self referencing and the like.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.