Method and apparatus for determination and display of critical g

Details Method and apparatus for determination and display of critical g Method and apparatus for determination and display of critical g

1989-02-09

1990-05-22

Raevis, Robert R.

Measuring and testing

Human stress limit

G06F 1542

Patent

active

049267035

ABSTRACT:
An apparatus for and method of determining and displaying important information pertaining to the use of breathable bottled gas in a pressurized fixed volume container. The apparatus determines and displays information such as consumption rate, gas requirement for future activity, gas time remaining under present and future conditions, as well as other information about the environment in a form that clearly shows critical parameters in an easily understood and intuitive Pictorial Display. The apparatus comprises transducers for measuring ambient pressures and the pressures of the bottled gas, processors or microprocessors for interpreting and analyzing the data and making the necessary computations, and a display screen for presenting information to the user.

REFERENCES:
patent: 3364476 (1968-01-01), Kahn
patent: 4109140 (1978-08-01), Etra
patent: 4586136 (1986-04-01), Lewis
patent: 4658358 (1987-04-01), Leach
patent: 4753117 (1988-06-01), Osterhout et al.
patent: 4782338 (1988-11-01), Barshinger
patent: 4809550 (1989-03-01), Faulconer

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