Fluid flow control speaker system

Details Fluid flow control speaker system Fluid flow control speaker system

1978-01-06

1980-03-18

Stellar, George G.

Fluid handling

Flow affected by fluid contact, energy field or coanda effect

Means to regulate or vary operation of device

137837, H04R 2300

Patent

active

041940954

ABSTRACT:
A fluid flow control system has a fluid source and plural flow pipes connected to the fluid source. Each of the pipes has an opening of a specific area corresponding to one of the bit orders of a PCM (Pulse Code Modulated) input signal. The flow-condition of the fluid through each of the pipes is controlled by the PCM signal without changing the PCM signal to an analog signal. The summation of the outflow from each of the pipes combines to produce an analog flow output signal in response to the PCM input signal.

REFERENCES:
patent: 3148691 (1964-09-01), Greenblott
patent: 3339569 (1967-09-01), Bauer et al.
patent: 3563306 (1971-02-01), Osheroff
patent: 3648987 (1972-03-01), Arikawa

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