Pen-based computer
United States Patent D345346

Alfonso, Pedro M. (Delray Beach, FL)
Ansell, Daniel F. (Coral Spring, FL)
Benck, Jeffrey W. (Delray Beach, FL)
Foy, Hunter T. (Boca Raton, FL)
Sapper, Richard F. (Montagnola, CH)
Wysong, Robert D. (Boca Raton, FL)
Application Number:
Publication Date:
Filing Date:
International Business Machines Corp. (Armonk, NY)
Primary Class:
Field of Search:
340/700, 340/707, 340/706, 364/708, 364/709.04, 361/390, 361/394, 178/18, 178/19, D14/100, D14/101, D14/106, D14/113
View Patent Images:
US Patent References:
D333814Combined electronic drawing stylus and tablet housingMarch, 1993Swanson et al.D14/100
D321172Touch entry terminalOctober, 1991Moore, IV et al.D14/100
D317151Information display and entry unitMay, 1991DalyD14/100
D315549Portable computer with touch screenMarch, 1991Clough et al.D14/100
4972496Handwritten keyboardless entry computer systemNovember, 1990SklarewD14/100
D307134Data entry writing pad for electronic filing systemApril, 1990MakideraD14/100

Foreign References:
JP0803268December, 1990D14/100
Other References:
Grid System on "Dempa Shimbun" Mar. 27, 1989 Pen Style Computer.
Primary Examiner:
Burke, Wallace R.
Assistant Examiner:
Nunn, Freda S.
Attorney, Agent or Firm:
Grosser, George E.
1. The ornamental design for the pen-based computer, as shown and described.


FIG. 1 is a top perspective view of a pen based computer showing our new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is the top plan view thereof;

FIG. 4 is the right side elevation view thereof;

FIG. 5 is the rear elevation view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is the left side elevation view thereof; and,

FIG. 8 is the front elevation view thereof.

The circular elements are partially shown in FIG. 6 for ease of illustration and they are understood to continue uniformly across the indicated surface.