Desk information display device

Details Desk information display device Desk information display device

1979-07-24

1981-12-22

Trafton, David L.

Communications: electrical

Land vehicle alarms or indicators

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

340711, 340771, 340792, G06F 3147

Patent

active

043073913

ABSTRACT:
A portable, electronic, desk-top information display device for office use in recording and selectively displaying information, comprising a keyboard the keys of which are operable to control the operation of electronic circuitry forming part of the device, and a stationary display panel on which the said electronic circuitry is adapted to produce a matrix array of illuminated dots of other discrete display items in a multiplicity of substantially equi-distant columns, with each dot being illuminated independently of all the others, so as to permit a plurality of letters, numbers or other symbols to be displayed simultaneously across the panel with the majority of such symbols having a width of at least two columns.

REFERENCES:
patent: T966005 (1978-01-01), Gillette
patent: 3868673 (1975-02-01), Mau et al.
patent: 3868675 (1975-02-01), Firmin
patent: 3976995 (1976-08-01), Sebestyen
patent: 3979718 (1976-09-01), Umeda et al.
patent: 4024531 (1977-05-01), Ashby
patent: 4107663 (1978-08-01), Morimoto et al.
patent: 4144524 (1979-03-01), Fleming
patent: 4156238 (1979-05-01), Glasson et al.
patent: 4160242 (1979-07-01), Fowler et al.
patent: 4186279 (1980-01-01), Face

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