Communications: electrical – Visual indication – Transparent or translucent indicator with means for blocking...
Patent
1996-10-15
2000-02-01
Hofsass, Jeffery A.
Communications: electrical
Visual indication
Transparent or translucent indicator with means for blocking...
3408154, 34081545, 34081547, 34081548, 34081549, 174 35, 361679, 361796, G09F 304
Patent
active
060208244
ABSTRACT:
A panel instrument apparatus of reduced size, comprising a printed circuit board on which light emitting elements and switches are mounted, and a panel cover to the rear of which the front face of the printed circuit board is attached. The panel cover comprises reflecting holes arranged in positions corresponding to the light emitting elements on the printed circuit board to guide light from the light emitting elements to the surface of the panel cover; and furthermore comprises resilient links and coupled thereto keys which are located in positions corresponding to the switches on the printed circuit board.
REFERENCES:
patent: 4235368 (1980-11-01), Neel
patent: 4267966 (1981-05-01), Neel et al.
patent: 4300199 (1981-11-01), Yoknis et al.
patent: 4749832 (1988-06-01), Schlosser
Hamada Takayuki
Murayama Minoru
Shibasaki Shigeru
Tamura Hiroshi
Hofsass Jeffery A.
Kojima Moonray
Woods Davetta
Yokogawa Electric Corporation
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