Computer graphics processing and selective visual display system – Display peripheral interface input device – Touch panel
Reexamination Certificate
1998-09-30
2001-10-02
Hjerpe, Richard (Department: 2674)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Touch panel
C345S174000, C345S104000
Reexamination Certificate
active
06297810
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to programmable switch arrays for use in aircraft cockpits and other applications. More particularly, the present invention relates to a sunlight readable, color programmable switch array providing a tactical feel indicative of actuation or changes in switch states.
BACKGROUND OF THE INVENTION
In aircraft cockpits and other applications, large numbers of switches are used to control electronics and aircraft functions. It is desirable to utilize programmable switch arrays which can be easily adapted to display a variety of information related to the state of the switches, as well as the functions which these switches control. It is also preferable to have switches which are readable in high ambient light conditions (i.e., sunlight readable), and which can be easily viewed from large viewing angles.
In the prior art, liquid crystal displays (LCDs) having touch sensitive screens have been used to provide switching functions. However, these prior art LCD switch arrays lack a tactical feel. In other words, for a pilot or other user to be certain that the switch has been actuated or changed states, he or she must typically look at the display screen to verify a change in the displayed information. In many applications, it is very undesirable and unsafe for the user of the switch array to have to look at the display screen to make this determination.
SUMMARY OF THE INVENTION
Disclosed are a programmable switch array which provides tactical feel indication of activation to a user. The switch array includes a display device adapted to display switch information. A glass plate is positioned in front of the display device. Multiple switching mechanisms are positioned behind the glass plate. One or more pivot members are positioned behind the glass plate and disposed such that upon the user pushing upon a region of the glass plate, the glass plate pivots about the pivot member and actuates a corresponding one of the multiple switching mechanisms. The pivoting of the glass plate provides the user a tactical feel indication of the activation of the switch.
REFERENCES:
patent: 4771277 (1988-09-01), Barbee et al.
patent: 4822957 (1989-04-01), Talmage, Jr. et al.
patent: 5305017 (1994-04-01), Gerpheide
patent: 5596343 (1997-01-01), Snider
patent: 5815141 (1998-09-01), Phares
patent: 6030267 (1988-09-01), Browning
patent: 6031336 (2000-02-01), Rumbaugh et al.
Eppele Kyle
Hjerpe Richard
Jensen Nathan O.
Nguyen Kimnhung
Rockwell Collins
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