Electronic recording manometer

Details Electronic recording manometer Electronic recording manometer

1985-03-22

1986-12-30

Woodiel, Donald O.

Measuring and testing

Barometer

73712, 340601, 340626, G01L 900, G01W 100

Patent

active

046319603

ABSTRACT:
The electronic recording manometer is intended particularly for the graphical representation of atmospheric pressure and for use aboard ship. A generator element (1,5,6) supplying pressure-equivalent electric pulses is connected to the input of a microprocessor (2). The microprocessor (2) is provided with a clock unit (8) and a memory unit in which a calendar is stored, and which records the measured pressure values for a predetermined length of time. The outputs (4, 7) of the microprocessor (2) are connected to a liquid crystal display (3) to provide digital pressure display and graphic representation of the march of pressure, as well as being connected to a visual and/or acoustic warning device. The warning device is actuated if the pressure rate of the pressure drop exceeds a value between 0.5 and 5 mb/hour. The clock unit (8) and the memory unit can be adjusted and/or called up by means of film keyboard elements (9).

REFERENCES:
patent: 3753117 (1973-08-01), Downing et al.
patent: 3924464 (1975-12-01), Cummins
patent: 4218755 (1980-08-01), Root
patent: 4279028 (1981-07-01), Lowdenslager et al.
patent: 4287762 (1981-09-01), Baer
patent: 4395915 (1983-08-01), Singh

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