Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1977-06-01
1980-01-22
Curtis, Marshall M.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
340709, 340711, G06F 314
Patent
active
041852818
ABSTRACT:
A display arrangement having a plurality of data display areas in which data is entered via manual controls is provided with a visual indication of the display element or area addressed. A first control knob selects the area addressed and a second control knob allows alteration of the data at the addressed area. The invention is primarily intended for "one handed" operation in which the manual controls are out of the line of sight of the operator.
REFERENCES:
patent: 1054336 (1913-02-01), Brown
patent: 3526887 (1970-09-01), Erni
patent: 3684870 (1972-08-01), Nelson
Curtis Marshall M.
Elliott Brothers (London) Limited
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