Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1974-10-03
1976-03-02
Jackmon, Edith Simmons
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
58 38R, 340164B, G04C 2100, G04C 1306
Patent
active
039409180
ABSTRACT:
A programmer clock for use with alarm systems in banking and like institutions employs a diode matrix, day and hour stepper switches and a direct current motor driven clock, the positions and controls of all of which are mounted and visible on a single control panel. The condition of the alarm system and the program can be determined at a glance and the program itself can be readily and accurately altered at any time by authorized persons.
REFERENCES:
patent: 3002131 (1961-09-01), Gerosolina
patent: 3025496 (1962-03-01), Schmid et al.
patent: 3603961 (1971-09-01), Duris
Jackmon Edith Simmons
Nemmers James C.
Simmons Haven E.
Walter Kidde & Company, Inc.
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