Dolch Introduces Touch Screen to Overhead Projection
Multimedia Presentations at the Touch of a Finger

New York, New York, June 29, 1993 -- At today's opening of PC EXPO, Dolch
Computer Systems, a leader in high performance portable multimedia
computers, is showing interactive touch sensitivity for overhead
multimedia presentations. Incorporated into the brand new PRISM
(PRojection and Integrated Stand-alone Monitor) family of 16 million color
TFT overhead panels, interactive touch capability not only enhances
audience participation, it makes corporate presentations as easy as
pointing a finger. And the value of these brilliant projection panels is
further enhanced with the addition of an optional backlight, transforming
the PRISM into a stand-alone monitor that outperforms most CRT displays.

Touch Sensitivity 

Touch sensitivity on an overhead projection panel is truly the next step in
the evolution of multimedia presentations. Animation, video, sound and
graphics are brought together in order to win an audiences attention.
Interactive touch not only takes the audience and the presenter into the
presentation, it does it simply with the pointing of a finger. Graphical
buttons can be used to navigate the multimedia story in any manner the
audience chooses, and presenters can easily pace the entire show to gain
maximum response and interest. "There is no mystery, an audience will pay
more attention when they can interact with the presentation," according to
Volker Dolch, Company President.

Dazzling Overhead Projection 

State of the art TFT panels and controllers in Dolch's PRISM family offer
presenters the very best of this exciting new medium. Well beyond the
ordinary CRT in picture quality and brilliance, the new 16 million color
panels bring a vibrance and beauty to overhead projection that can only be
described as enchanting. Animation, graphics and full motion video truly
come alive on the big silver screen.

Stand-alone Monitor 

Out on the road, the double duty PRISM can be a monitor for small audiences
or for work back at the hotel room. Snap on the backlight, and PRISM
becomes a high performance stand-alone color monitor. The high contrast
640x480 VGA/SVGA desktop display is crisp, clear and fast. In fact, visual
performance of a PRISM surpasses all but the very best of CRT displays.

Versatility 

The versatility of the PRISM overhead and desktop viewing system allows
input of the broadest range of multimedia presentation materials of any
other device on the market. Standard cables and connectors are available
for RGB input from PC-VGA or Apple Macintosh. Live video can be input in
NTSC, SECAM, or PAL formats. A separate video input is provided for the
higher performance S-video signal. Further versatility is provided by the
standard infrared remote control that places all adjustments of the panel
in the presenter's hands. An RS-232 port even allows control of the
presentation program computer with the remote device. In addition, the
user is given the choice of front or rear screen projection.

Dolch Computer Systems 

Dolch Computer Systems is the world leader in expandable high performance
portable computers. The company's products are marketed to a broad range
of corporate, scientific, and industrial users in two major market
segments-- multimedia presentations and industrial systems. Dolch Computer
Systems strives to be the leader, not only in performance, but in service
and support. All Dolch computers carry a two-year on-site warranty at no
extra charge. Founded by Volker Dolch, a pioneer in the development of
microprocessor instrumentation, the company is privately held and located
in Milpitas, California, with subsidiaries in England, Germany and the
Netherlands.

Price and Availability 

The 10.4-inch PRISM PR 1650 is priced at $6995. The Touch & Show version is
priced at $7995. The smaller 8.5-inch PRISM PR 1150 is priced at $5495.
Delivery is stock to 4 weeks.

DOLCH COMPUTER SYSTEMS; 372 TURQUOISE ST, MILPITAS, CA 95035
408.957.6575;    FACSIMILE:  408.263.6305

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