Dual purpose, weather resistant data terminal keyboard assembly

Details Dual purpose, weather resistant data terminal keyboard assembly Dual purpose, weather resistant data terminal keyboard assembly

1976-12-08

1978-03-28

Scott, James R.

Electricity: circuit makers and breakers

Multiple circuit control

Multiple switch

200159B, 200340, 181141, 235146, H01H 900, G10K 1000

Patent

active

040816311

ABSTRACT:
An improved data terminal utilizing tactile switch assemblies with specialized sound apertures provide reduced panel space requirements and indirect sound paths for miniature electronic apparatus. A maximum number of switches can be accommodated on the instrument panel with no separate speaker/microphone grille required. Non-aligned sound apertures provide maximal weather protection for speaker and microphone mounted behind the switch assembly panel. The switch assembly design seals off the remainder of the unit from weather or dust damage.

REFERENCES:
patent: 3439568 (1969-04-01), Griffith
patent: 3668356 (1972-06-01), Kekas
patent: 3728509 (1973-04-01), Shimojo
patent: 3879586 (1975-04-01), DuRocher et al.
patent: 3959610 (1976-05-01), Finnegan et al.
patent: 4038502 (1977-07-01), Ambruoso, Sr. et al.

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