Single button control

Details Single button control Single button control

1981-04-24

1983-05-24

Rubinson, G. Z.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340168B, 358198, 455232, H04N 560

Patent

active

043852041

ABSTRACT:
A volume control system includes means responsive to a single push button for reversing the direction of volume level change for each alternate depression of the push button. Specifically, for a first depression of the push button, the volume is continuously increased so long as the push button is held down. For a second depression of the push button, the volume is continuously decreased so long as the push button is held down. The disclosed system saves the cost of an additional push button while providing an easy-to-use system for volume level adjustment.

REFERENCES:
patent: Re30054 (1979-07-01), Ong
patent: 3914698 (1975-10-01), Leuschner
patent: 4229765 (1980-10-01), Sanger
patent: 4263581 (1981-04-01), Okatani et al.
Stanley Model 2000/3000 Residential Garage Door Opener, on sale no later than Fall 1980, Overall Electrical Schematic 360-2305 with Associated Schematic 9366 dated 8-18-78 for Motor Control Board 360-2275 mfgd. by Multi-Elmac Co. and with Associated Schematic 9352 dated 11-22-77 for RCVR Board 1093 also mfgd. by Multi-Elmac Co.

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