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Handheld programmable sign with folding screens
| Details |
Inventors: Munyon, Timothy;
Assignee:
Primary Examiner: Crosland; Donnie L.
Assistant Examiner:
Attorney, Agent or Firm: Callahan; Edward
A handheld programmable sign including a sign portion and a hand-grip portion mounted transverse to said sign portion and a keyboard/microprocessor mounted in the hand-grip portion for receiving input data and transmitting the input data to the microprocessor,. At least two display screen units are mounted as representing the sign portion including display screens for displaying the input data to observers, the screen units being foldable relative to one another between an operative open planar mode and an inoperative closed mode wherein the two screens are in parallel facing relationship. In the open mode the display screen units present input data electrically contained therein to an observer. In the inoperative closed mode the first and second display screen units are in a fully aligned parallel folded relationship and no data is transferred to an observer. A computer microprocessor/memory unit and a serial port wired thereto are optionally positioned in the hand-held portion. A computer microprocessor/memory unit and a serial port wired thereto are optionally positioned in the hand-held portion. A three-display screen unit having a center screen unit with two display screen units rotatably attached to the center display screen unit is optional. |
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DETAILED DESCRIPTION It is therefore the object of the present invention to provide a handheld sign that will increase the advantages of my U.
S.
Pat.
No.
5,973,607 and my application Ser.
No.
358,493 by increasing the distances at which the screen can be read.
It is another object of the present invention to provide a handheld sign that will increase the advantages of my U.
S.
Pat.
No.
5,973,607 and my application Ser.
No.
358,493 by increasing the distance at which the screen can be read by increasing the size of the screen while at the same time retaining the portability of the screen when not in use.
It is another object of the present invention to provide a handheld sign that will increase the advantages of my U.
S.
Pat.
No.
5,973,607 and my application Ser.
No.
358,493 by increasing the distance at which the screen can be read by increasing the size of the screen by using an extra wide screen that is foldable to a smaller size screen when not in use so that the basic portability of the handheld screen of my patented handheld screen and of my prior application for a rotatable handheld sign is retained as much as possible.
Yet another object is to provide an easily storable handheld programmable sign that is both small and light enough to be easily handheld and that encloses a complete computer including a keyboard.
In accordance with these and other objects that will become apparent in the course of this disclosure, there is provided in further accordance with my first application Ser.
No.
027,632, now U.
S.
Pat.
No.
5,973,607 and my CIP patent application Ser.
No.
358,493, a handheld programmable sign comprising a hand-grip portion and a sign portion having opposed front and rear sides with the hand-grip portion mounted transverse to the sign portion.
Mounted within the hand-held portion are a miniaturized microprocessor for processing data and a keyboard mounted in said hand-grip portion for receiving input data and transmitting the input data to the microprocessor means, the keyboard including a keyboard miniaturized microprocessor
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