Display with matrix array of elements

Details Display with matrix array of elements Display with matrix array of elements

1983-03-22

1986-04-08

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

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

340715, 340752, 340766, 340802, 343 12A, G09G 300

Patent

active

045816123

ABSTRACT:
An altimeter has four display panels each being a matrix array of light-emitting diodes. An energizing unit energizes selected diodes to produce a representation of a number in each panel indicative of the value of the input. A knob on the altimeter selects input signals from a barometric source or a radar source. When barometric signals are selected, the altitude is represented in the panels by bright numbers against a dark background. When radar signals are selected, the energizing unit changes the format of energization of the display to represent altitude by dark numbers against a bright background. Other formats are also possible.

REFERENCES:
patent: 3896428 (1975-07-01), Williams
patent: 3936797 (1976-02-01), Andresen, Jr.
patent: 3987401 (1976-10-01), Irving
patent: 4028712 (1977-06-01), Kawamura et al.
patent: 4090188 (1978-05-01), Suga
patent: 4240074 (1980-12-01), Gibson et al.
patent: 4381493 (1983-04-01), Mason
patent: 4442424 (1984-04-01), Shirasaki et al.
Larry Blair, "Display Bar With Double Function", Motorola Technical Developments, vol. 2, Jan. 1982.

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