Tom, et al,
(1) width
the issue I'm talking is one can operate the terminal with one
hand. the rule is you grab a device and the tips of thumb and
middle finger can meet comfortably. I think it's about 60 mm
for a calculator, or 38 mm in diameter for a round object :)
the design limit.
(2) double width
there're some tricks that allow for one-hand-operable PDAs at
nearly double the width. think about the grip of a camera,
a rubber column in the center of the back is a good design that
I'd like to see on Sharp Zarus, with a small stylus attachable
to thumb ... so that Juergen will be able to show his favorite
pictures to a girl while holding her in arm.
(3) thickness
hold a phone and look at the back. you'll find space between
the phone and your palm, the room for thicker designs (such as
the Sony A3014S, which is thick and narrow). for your pocket,
what's the thickness of the wallet? (I think Tom is a rich guy).
(4) girls
maybe I better also include teens and "Napoleons". I'm more
interested in functional studies and think Petri's experience
is quite a flexible one. small size used to be the deciding
factor years ago when the voice call was the only application
and Panasonic dominated the market, but not now any more, as
the market share tells:
DoCoMo handset sales, June 2002
N504i 380k
SH251i 372k
P504i 198k (a far distance third)
btw, I saw again today a girl using J-SH51 with both hands.
J-SH51 is a great phone popular among boys, but the bulky size
doesn't prohibit girls from getting one. does anyone have
sales figure of pink J-SH51?
cheers,
Ken
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Received on Tue Aug 13 19:44:40 2002