Implementation of Touchpad on Rear Surface of Single-Axis Hinged Device

1. A mobile electronic device, comprising:

a base;

a movable portion operatively connected to the base, said movable portion being selected from the group consisting of a flip and a slide, said movable portion being movable from an open position to a closed position and vice versa;

said base and said movable portion each having an outward surface and an inward surface;

a keypad on the inward or outward surface of said base;

a display on the outward surface of the movable portion; and

a touchpad on the inward surface of the movable portion.

2. A mobile electronic device in accordance with claim 1 wherein said display is a touchscreen display.

3. A mobile electronic device in accordance with claim 1 wherein said flip is pivotably connected by a hinge to said base.

4. A mobile electronic device in accordance with claim 1 wherein said slide comprises a slidable portion and is slidably connected to said base.

5. A mobile electronic device in accordance with claim 1 wherein said touchpad comprises a touchpad sensor.

6. A mobile electronic device in accordance with claim 1 wherein said touchpad comprises a capacitive touchpad for detecting the position of the movable portion.

7. A mobile electronic device in accordance with claim 1 including a printed circuit board in said movable portion containing a pattern of capacitive touch traces embedded within said printed circuit board for detecting a user's finger gestures without increasing the size of the mobile electronic device.

8. A mobile electronic device in accordance with claim 1 wherein:

said touchpad is positioned opposite and operatively connected to said display; and

said touchpad provides functionality for navigating a user interface on said display.

9. A mobile electronic device in accordance with claim 1 wherein said touchpad is positioned to be touched by the user without blocking viewing of said display.

10. A mobile electronic device in accordance with claim 1, wherein:

said mobile electronic device is selected from the group of consisting of: a flip phone, slider phone, portable networking device, internet communications device, clamshell device, radio telephone, cellular phone, mobile phone, smart phone, portable gaming device, personal digital assistant, wireless e-mail device, two-way pager, handheld electronic device, and combinations thereof; and

said mobile electronic device is of a compact size for readily fitting in a shirt pocket, pants pocket, suit pocket, and/or purse.

11. A mobile electronic device in accordance with claim 1 including:

a speaker in said base;

a battery in said base;

a battery door positioned along the inward or outward surface of said base for accessing said battery;

a speaker port hidden underneath said battery door for emitting sound from said speaker; and

an acoustic seal positioned underneath said battery door for sealing said speaker port for audio enhancement.

12. A mobile electronic device comprising:

a base defining a compartment for containing a battery and speaker;

a flip pivotally connected to said base, said flip being pivotable from a closed position, to a partially open position and to a fully open position and vise versa;

said base and said flip each having an outward surface and an inward surface;

a keypad on the outward surface of said base, said keypad being selected from the group consisting of a qwerty keypad, capacitive keypad, keyboard, alpha numeric keys, and a base touchscreen, and said keypad facing downwardly when said flip is in said partially open position;

a display on the outer surface of said flip, said display being positioned opposite said keypad when said flip is in a closed position, said display facing upwardly with and in proximity to said keypad when said flip in a fully open position, and said display being positioned at an angle of inclination when said flip is in a partially open position;

a touchpad on the inward surface of said flip and positioned transversely opposite of said display, and said touchpad being hidden and inaccessible when said flip is in said closed position;

a removable battery door positioned along the inward surface of said base and positioned transversely opposite of said keypad, and said removable battery door being substantially hidden and inaccessible when said flip is in the closed position;

a speaker port hidden underneath said removable battery door, said speaker port providing an acoustical passageway for emitting sound from said speaker; and

an acoustic seal positioned underneath said battery door for sealing said speaker port and directing travel of sound from the speaker underneath said battery door to produce enhanced audio.

13. A mobile electronic device in accordance with claim 12 wherein said display is a touchscreen display.

14. A mobile electronic device in accordance with claim 12 wherein said touchpad is positioned to be touched by the user without blocking viewing of said display, and said touchpad comprises a touchpad sensor.

15. A mobile electronic device in accordance with claim 12 wherein said touchpad comprises a capacitive touchpad for detecting the position of said flip.

16. A mobile electronic device in accordance with claim 12 including a printed circuit board in said flip containing a pattern of capacitive touch traces or wires embedded within said printed circuit board for detecting a user's finger gestures without increasing the size of the mobile electronic device.

17. A mobile electronic device in accordance with claim 12 wherein:

said display comprises a user interface; and

said touchpad comprises a touchpad sensor comprising a navigator which when touched by the user translates to motion within the user interface on said display.

18. A mobile electronic device in accordance with claim 17 wherein said motion is selected from the group consisting of highlighting a web link on said display, scrolling through text on said display, tapping or clicking to enter a command on said display, implementing a mouse cursor on the user interface in response to motion of a user's finger on said touchpad, and combinations thereof.

19. A mobile electronic device in accordance with claim 12, wherein:

said mobile electronic device is selected from the group of consisting of: a flip phone, portable networking device, internet communications device, clamshell device, radio telephone, cellular phone, mobile phone, smart phone, portable gaming device, personal digital assistant, wireless e-mail device, two-way pager, handheld electronic device, and combinations thereof, and

said mobile electronic device is of a compact size for readily fitting in a shirt pocket, pants pocket, suit pocket, and/or purse.

20. A mobile electronic device comprising:

a base defining a compartment for containing a battery and speaker;

a flip pivotally connected to said base, said flip being pivotable from a closed position, to a partially open position and to a fully open position and vise versa;

said base and said flip each having an outward surface and an inward surface;

a keypad on the outward surface of said base, said keypad selected from the group consisting of a qwerty keypad, capacitive keypad, keyboard, alpha numeric keys, and a base touchscreen, and said keypad facing downwardly when said flip is in said partially open position in a media viewing mode;

a display on the outer surface of said flip, said display comprising a touchscreen, said display being positioned opposite said keypad when said flip is in a closed position in a tablet mode, said display facing upwardly with and in proximity to said keypad when said flip in a fully open position in an e-mail/text-entry mode, and said display being positioned at an angle of inclination when said flip is in a partially open position in a media viewing mode;

a touchpad on the inward surface of said flip and positioned transversely opposite of said display, said touchpad comprising a capacitive touchpad for detecting the position of said flip, said touchpad is positioned to be touched by the user without blocking viewing of said display when said flip is in said partially open and fully open positions; and said touchpad being hidden and inaccessible when said flip is in said closed position;

a removable battery door positioned along the inward surface of said base, and positioned transversely opposite of said keypad, and said removable battery door being substantially hidden and inaccessible when said flip is in the closed position;

a speaker port hidden underneath said removable battery door, said speaker port providing an acoustical passageway for emitting sound from said speaker; and

a acoustic seal slidably positioned underneath said battery door for sealing said speaker port and directing travel of sound from the speaker underneath said battery door to produce enhanced audio.

21. A mobile electronic device in accordance with claim 20 including a printed circuit board in said flip containing a pattern of capacitive touch traces embedded within said printed circuit board for detecting a user's finger gestures without increasing the size of the mobile electronic device.

22. A mobile electronic device in accordance with claim 20 wherein:

said display comprises a user interface; and

said touchpad comprises a touchpad sensor comprising a navigator which when touched by the user translates to motion within the user interface on said display; and

said motion is selected from the group consisting of highlighting a web link on said display, scrolling through text on said display, tapping or clicking to enter a command on said display, implementing a mouse cursor on the user interface in response to motion of a user's finger on said touchpad, and combinations thereof.

23. A mobile electronic device in accordance with claim 20, wherein:

said mobile electronic device is selected from the group of consisting of: a flip phone, portable networking device, internet communications device, clamshell device, radio telephone, cellular phone, mobile phone, smart phone, portable gaming device, personal digital assistant, wireless e-mail device, two-way pager, handheld electronic device, and combinations thereof, and

said mobile electronic device is of a compact size for readily fitting in a shirt pocket, pants pocket, suit pocket, and/or purse.