The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 08, 2004
Filed:
Oct. 10, 2001
Akio Tanaka, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
A thermal-type infrared imaging device includes a first thermo-electric converting element ( ) for generating an electric signal which corresponds to temperature determined according to heat generated by absorbing an incident infrared ray, a first bipolar transistor ( ) having its emitted connected to the first thermo-electric converting element ( ), and a second bipolar transistor ( ) having its collector connected to the collector of the first bipolar transistor ( ). The thermal-type infrared imaging device further includes a resistor ( ) connected at one end thereof to a power supply and at the other end to the emitter of the second bipolar transistor ( ), and an integration capacitor ( ) connected to a connecting point of the respective collectors of the first and second bipolar transistor ( and ).