Portable terminal with optical touch pad and method for controlling data in the same
First Claim
Patent Images
1. A portable terminal comprising:
- a housing having a front wall, a rear wall, a sidewall bordering the front wall and the rear wall, and an opening formed at an edge of the housing in both the rear wall and the sidewall;
a display device formed on the front wall;
a touch pad disposed in the opening, the touch pad having an external surface, the external surface having a first portion that is flush with the rear wall and a second portion that is flush with the sidewall, wherein the first portion and the second portion are both depressible in a longitudinal direction relative to the housing; and
a switch member installed within the housing and arranged to be activated when the touch pad is depressed in the longitudinal direction,wherein the first portion of the surface and the second portion of the surface are integrally formed.
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Abstract
Disclosed is a portable terminal having a display device arranged on the front side of the housing of the portable terminal, and an optical touch pad arranged on the rear side of the housing, wherein a user can operate the touch screen with the thumb and operate the touch pad on the rear side of the housing with the index finger or another finger in a state in which the user grasps the portable terminal.
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Citations
16 Claims
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1. A portable terminal comprising:
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a housing having a front wall, a rear wall, a sidewall bordering the front wall and the rear wall, and an opening formed at an edge of the housing in both the rear wall and the sidewall; a display device formed on the front wall; a touch pad disposed in the opening, the touch pad having an external surface, the external surface having a first portion that is flush with the rear wall and a second portion that is flush with the sidewall, wherein the first portion and the second portion are both depressible in a longitudinal direction relative to the housing; and a switch member installed within the housing and arranged to be activated when the touch pad is depressed in the longitudinal direction, wherein the first portion of the surface and the second portion of the surface are integrally formed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A portable terminal comprising:
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a housing having a front wall, a rear wall, a sidewall bordering the front wall and the rear wall, and an opening formed at an edge of the housing in both the rear wall and the sidewall;
a display device formed on the front wall; anda touch pad disposed in the opening, the touch pad having an external surface, the external surface having a first portion that is flush with the rear wall and a second portion that is flush with the sidewall, wherein the touch pad comprises;
a front case having a periphery arranged as part of an outer exterior of the housing, a rear case arranged on an inner periphery of the front case, and an optical sensor received within the rear case, the optical sensor being arranged to face to the inner periphery of the front case. - View Dependent Claims (12, 13, 14, 15)
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16. A portable terminal comprising:
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a housing having a display device on a front side thereof; a touch pad provided at a rear side of the housing, the touch pad being responsive to user input to cause content displayed on the display device to be varied according to a plurality of operation modes of the terminal; and a switch member installed within the housing, wherein the touch pad is rectilinearly movable responsive to the user input so as to operate the switch member via contact with the touch pad; wherein the touch pad comprises; a front case having an outer surface forming part of an exterior surface of the housing, a rear case proximate the front case, and an optical sensor received within the rear case and facing an inner surface of the front case; and an actuation protrusion formed on the rear case, wherein the actuation protrusion comes into contact with the switch member to actuate the switch member as the touch pad is rectilinearly moved.
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Specification