マイクロボロメータ読み出し回路 - University of Electronic Science and Technology of China

Title:

マイクロボロメータ読み出し回路

Document Type and Number:

Japanese Patent JP7133234

Kind Code:

B2

Abstract:

The present disclosure relates to an exponential model based uncooled infrared focal plane array readout circuit, including: a first microbolometer unit and a second microbolometer unit, for obtaining a detection signal and a reference signal; a conversion unit, connected with the first and second microbolometer units, and configured for converting the detection signal and reference signal to obtain a linear detection signal and linear reference signal; a subtraction unit, connected with the conversion unit, and configured for calculating a difference between the detection signal and the reference ratio signal to obtain a difference signal; and an integration unit, connected to the subtraction unit, and configured for integrating the difference signal to obtain an electrical signal for characterizing the infrared light signal of the to-be-detected object.

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Inventors:

Takanari Seki
Dogo Min
Yang Kai
Zhang Yi
Lu Jian
Zhou Yun
Jiang Adong

Application Number:

JP2020133748A

Publication Date:

September 08, 2022

Filing Date:

August 06, 2020

Export Citation:

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Assignee:

University of Electronic Science and Technology of China

International Classes:

G01J5/48; G01J1/42; G01J1/44; H04N5/33

Domestic Patent References:

JP3005527B1
JP2011529572A
JP2010071987A
JP2019095443A

Foreign References:

US20150192472

Attorney, Agent or Firm:

Shin Shin

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