Composite digital and analogue fluorescent display panel device

Details Composite digital and analogue fluorescent display panel device Composite digital and analogue fluorescent display panel device

1978-09-21

1979-07-24

Demeo, Palmer C.

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

313513, H01J 6302, H01J 6306

Patent

active

041624220

ABSTRACT:
A fluorescent display panel device comprising a casing formed of a base plate and a cover plate bonded airtightly together, a digital display section provided on the base plate and adapted to selectively and digitally display multi-column characters, figures, symbols and the like utilizing light emission of fluorescent substance, and an analog display section provided on the base plate adapted to selectively perform dot-shaped and/or bar-shaped analog display utilizing dot anodes linearly provided and having fluorescent layers thereon.

REFERENCES:
patent: 3325664 (1967-06-01), Buck et al.
patent: 3343155 (1967-09-01), Pahlavan
patent: 3573532 (1971-04-01), Boucher
patent: 3893101 (1974-06-01), Glaser
patent: 4023876 (1977-05-01), Fukunaga et al.

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