Liquid crystal cells – elements and systems – Particular structure – Holder – support – frame – or housing
Patent
1998-03-31
2000-03-28
Sikes, William L.
Liquid crystal cells, elements and systems
Particular structure
Holder, support, frame, or housing
G02F 11333
Patent
active
06043855&
ABSTRACT:
Disclosed is an avionics display device adapted for insertion into an avionics panel of an aircraft. The avionics display device includes a liquid crystal display having a liquid crystal display element and a bezel surrounding the liquid crystal display element. The avionics display device also includes a low profile rotary switch mounted on the bezel of the liquid crystal display to save avionics panel space in the aircraft. The low profile rotary switch includes a printed circuit board positioned beneath the bezel and having a plurality of electrical pads formed thereon. The switch also includes a contact member positioned adjacent the printed circuit board and having a first contact formed thereon. Rotation of the contact member causes the first contact to be electrically coupled to one of the plurality of electrical pads formed on the printed circuit board. A knob is coupled to the contact member such that rotation of the knob causes rotation of the contact member. The detent mechanism of the switch is positioned in the knob to lower the profile of the switch.
REFERENCES:
patent: 5627531 (1997-05-01), Posso et al.
patent: 5745378 (1998-04-01), Barker et al.
patent: 5870035 (1999-02-01), Bjernulf
Dudek James A.
Eppele Kyle
O'Shaughnessy James P.
Rockwell Science Center Inc.
Sikes William L.
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