Image generator with humidity detection and correction means

Details Image generator with humidity detection and correction means Image generator with humidity detection and correction means

1990-02-23

1991-07-16

Williams, Hezron E.

Measuring and testing

Gas analysis

Moisture content or vapor pressure

G01N 3700

Patent

active

050314548

ABSTRACT:
In the sealed interior of an image-generating recording or transmitting device, for example an endoscope, videoscope, endo-technoscope or the alike, there is provided at least one sensor which responds to minute changes in atmospheric humidity. The actual value of the humidity is compared by an electronic monitoring device with a maximum admissible limit humidity value. If the actual humidity value reaches a preselectable limit value range, an analog signal is displayed and, if the maximum admissible limit value is exceeded, a signal is generated to actuate an air pump to load the interior of the recording and/or transmitting device with excess air pressure.

REFERENCES:
patent: 3522732 (1970-08-01), Bauer
patent: 3557619 (1971-01-01), Hershler
patent: 3886797 (1975-06-01), Bauer
patent: 4894532 (1990-01-01), Peterson et al.

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