Portable terminal wearable on forearm

Details Portable terminal wearable on forearm Portable terminal wearable on forearm

2001-07-26

2004-06-22

Schuberg, Darren (Department: 2835)

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

C361S689000

Reexamination Certificate

active

06754069

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to a portable terminal wearable on a forearm, such as a portable personal computer having a display unit.
BACKGROUND OF THE INVENTION
A conventional portable terminal wearable on a forearm, such as a portable personal computer, is worn on a wrist or forearm of a user directly via a belt.
The conventional portable terminal wearable on the forearm will be explained with reference to the drawings.
FIG. 4
is a perspective outline view of a portable terminal wearable on a forearm. A display unit
41
incorporates a liquid crystal display
42
. At a back side of a display screen
42
a
of a case
43
of the display unit
41
, a fixing band
44
for being fixed near the wrist of a forearm, and a holding member
45
through which the fixing band
44
is passed, are provided.
When this portable terminal is worn on the forearm, the display unit
41
is fixed and worn by winding the fixing band
44
, passing through the holding member
45
around the wrist of the forearm, and the display screen
42
a
faces outwardly. The user operates the terminal while watching the display screen
42
a.
When watching the display screen
42
a
, the user has to move the arm on which the terminal is worn so that the screen
42
a
may be almost perpendicular to a visual axis of the user. If the hand of this arm is being used at this time to perform an operation, the operation must be interrupted. Further, the display screen
42
a
is not protected from an unexpected external impact.
SUMMARY OF THE INVENTION
A portable terminal has a display screen which can be adjusted to be almost perpendicular to a visual axis of a user without interrupting an operation being performed by the user, and can be protected from an unexpected external impact.
The terminal comprises a display unit having a display screen at a front side, a forearm mounting unit for mounting the display unit on a forearm near a wrist of a user, and a hinge case for rotatably connecting the display unit and forearm mounting unit. The hinge case includes a first rotary mechanism to which the forearm mounting unit is rotatably connected, and a second rotary mechanism to which the display mounting unit is rotatably connected. The first and second rotary mechanisms operate to turn the display screen to a position nearly perpendicular to a visual axis of the user, and to turn the display screen to a position where the screen faces downwardly toward a forearm side.
Thus, the display screen is visible under a condition that the screen is adjusted nearly perpendicular to the visual axis of the user. When not in use, the display screen is faced downwardly, so that the display screen is to be protected from an unexpected external impact.


REFERENCES:
patent: 5398991 (1995-03-01), Smith et al.
patent: 6184804 (2001-02-01), Harrison
patent: 6275376 (2001-08-01), Moon
patent: 6285757 (2001-09-01), Carroll et al.
SanGiovanni (US 2002/0102946 A1), “ModularTwo-Body Design For Integration Of Mobile Computing Device Features With A Wireless Communication Device” Aug. 1, 2002, US patent application Publication, 6 pages and 7 figures.

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