Retractable face-up LCD monitor with off-monitor power supply and back-EMF braking
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United States of America Patent
Stats
-
Nov 14, 1995
Grant Date -
N/A
app pub date -
Feb 10, 1994
filing date -
Feb 10, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A retractable LCD monitor for use in aircraft and the like is supplied with power from a power supply that is secured in a fixed off-monitor location on the monitor's housing. The power supply also provides power for a motor assembly that controls a pivoting of the monitor between open and retracted positions. This configuration allows for a compact monitor assembly that can be stowed screen up within a restricted space housing, thus protecting the display from damage by passengers and presenting a pleasing appearance, while still pivoting the monitor by more than 90.degree. to its open position. The motor that is used to pivot the monitor to the open position remains coupled to the monitor pivot mechanism during the retraction cycle, providing a back-emf that resists a spring force used to retract the monitor, and thereby cushion its retraction.
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Cited Art Landscape
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