Thermal-type infrared imaging device

Details Thermal-type infrared imaging device Thermal-type infrared imaging device

1997-04-16

1999-10-12

Westin, Edward P.

Radiant energy

Invisible radiant energy responsive electric signalling

Semiconductor system

2503384, 250349, 250332, 348241, H01L 3109

Patent

active

059658924

ABSTRACT:
A thermal-type infrared imaging device includes a first thermo-electric converting element (101) for generating an electric signal which corresponds to temperature determined according to heat generated by absorbing an incident infrared ray, a first bipolar transistor (102) having its emitted connected to the first thermo-electric converting element (101), and a second bipolar transistor (104) having its collector connected to the collector of the first bipolar transistor (102). The thermal-type infrared imaging device further includes a resistor (103) connected at one end thereof to a power supply and at the other end to the emitter of the second bipolar transistor (104), and an integration capacitor (105) connected to a connecting point of the respective collectors of the first and second bipolar transistors (102 and 104).

REFERENCES:
patent: 5010251 (1991-04-01), Grinberg et al.
patent: 5650622 (1997-07-01), Ookawa et al.
patent: 5698852 (1997-12-01), Tanaka et al.
patent: 5789753 (1998-08-01), Gouch et al.

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