Air conditioning apparatus having audible sound level control fu

Details Air conditioning apparatus having audible sound level control fu Air conditioning apparatus having audible sound level control fu

1990-06-14

1991-04-30

Wayner, William E.

Refrigeration

Automatic control

Time or program actuator

62296, 181175, 417 14, G05D 2332

Patent

active

050107399

ABSTRACT:
An audible sound radiated from an air conditioning apparatus is decreased when the actual audible sound detected by the sound sensor is greater than a predetermined audible sound value which is modified according to changes in the ambient light or the ambient temperature.

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