Abstract: A method of and a device for reducing noises generated at an exhaust grid of an indoor unit of separate type room air conditioner package includes speakers disposed at upper and lower sides of the exhaust grid, a sensor for sensing a noise condition at a main noise source, and a control device for analyzing the noise condition sensed by the sensor and emitting control noises through the speakers.
Abstract: Disclosed is a refrigerator comprising a freezing compartment and a refrigerating compartment in which the freezing compartment can be used as a refrigerating compartment. The two compartments are in close proximity. Means are provided in a cooling-air passage to supply cooling air generated from an evaporator into both of the compartments or selectively only into one compartment.
Abstract: A printing apparatus comprising a printwheel with a hub and spokes extending therefrom, each of the spokes having at least two different types of character slugs thereon; a rotatable printwheel; a motor for shifting the printwheel up or down and for rotating the printwheel, so as to place a selected slug at a desired printing location; and a second motor for driving the printwheel up or down.