Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent
1991-07-19
1992-06-30
Fields, Carolyn E.
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
250349, 324248, 324 731, 307306, G01R 33035
Patent
active
051265680
ABSTRACT:
A method and an input circuit are disclosed for interfacing infrared detector elements to signal processing circuitry. The input circuit comprises a current loop for generating a magnetic field and a sensing circuit for measuring the strength of the field. Both the current loop and the sensing circuit are fabricated proximate each other. The current loop is connectable to an infrared detector such that the magnetic field generated by the current loop is proportional to the output of the infrared detector element. The input circuit isolates the detector element from bias voltages generated by the associated input circuitry and therefor reduces 1/f noise.
REFERENCES:
patent: 3665196 (1972-05-01), Macall
patent: 3787668 (1974-01-01), Currie
patent: 3907875 (1976-07-01), Leehan
patent: 3975648 (1976-08-01), Tobey
patent: 4004148 (1977-01-01), Howard
patent: 4007415 (1977-02-01), Toyoda
patent: 4045675 (1977-08-01), Kingsley
patent: 4054797 (1977-10-01), Milton
patent: 4064448 (1977-12-01), Estock
patent: 4109522 (1978-08-01), Thompson
patent: 4115692 (1978-09-01), Balcerak
patent: 4152595 (1979-05-01), Garfinkel
patent: 4179691 (1979-12-01), Keller
patent: 4243885 (1981-01-01), Agouridis
patent: 4255658 (1981-03-01), Hurst
patent: 4257057 (1981-03-01), Cheung
patent: 4303861 (1981-12-01), Ekstrom
patent: 4418335 (1983-11-01), Genahr
patent: 4431920 (1984-02-01), Srour
patent: 4435652 (1984-03-01), Stevens
patent: 4496854 (1985-01-01), Chi et al.
patent: 4499416 (1985-02-01), Koike
patent: 4633086 (1986-12-01), Parrish
patent: 4864237 (1989-09-01), Hoenig
patent: 4875010 (1989-10-01), Yokosawa et al.
Infrared Detectors, Halsted Press Series-IC Regulators Still the Perennial Favorite, "Electronics" 1977.
Dunn Drew A.
Fields Carolyn E.
Grumman Aerospace Corporation
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