Double-folded flexible printed circuit board for slider-type mobile devices
A sliding mechanism comprising a double-folded flexible printed circuit board (FPC); a stiffener coupled to the double-folded FPC; first pins; second pins; and an opening defined by a first cover, wherein when the double-folded FPC and the stiffener move, within the opening, in synchronization along a first range of motion to an open position of the slider mechanism, the stiffener makes contact with the first pins at the open position, and when the double-folded FPC and the stiffener move, within the opening, in synchronization along a second range of motion to a closed position of the slider mechanism, the stiffener makes contact with the second pins at the closed position.
1. A slider mechanism of a slider-type mobile device comprising:
a double-folded flexible printed circuit board (FPC);
a stiffener coupled to the double-folded FPC;
first pins;
second pins; and
an opening defined by a first cover of the slider-type mobile device, wherein when the double-folded FPC and the stiffener move, within the opening, in synchronization along a first range of motion to an open position of the slider mechanism, the stiffener makes contact with the first pins at the open position, and when the double-folded FPC and the stiffener move, within the opening, in synchronization along a second range of motion to a closed position of the slider mechanism, the stiffener makes contact with the second pins at the closed position, wherein a first folding of the double-folded FPC includes a first portion of the double-folded FPC above the first cover and a second portion of the double-folded FPC below the first cover, and wherein the second portion of the double folded FPC is coupled to the stiffener.
2. The slider mechanism of claim 1 , wherein the first cover comprises a display.
3. The slider mechanism of claim 1 , wherein the stiffener includes one or more holes, wherein the one or more holes reduce a weight of the stiffener.
4. The slider mechanism of claim 1 , wherein a second folding of the double-folded FPC includes a first portion of the double-folded FPC above a second cover of the slider-type mobile device and a second portion of the double-folded FPC below the second cover.
5. The slider mechanism of claim 1 , wherein the stiffener includes bumps to couple the stiffener to the double-folded FPC.
6. The slider mechanism of claim 5 , wherein the bumps reside on a first side of the stiffener and an opposite side, relative to the first side.
7. The slider mechanism of claim 1 , wherein the double-folded FPC has an “S” configuration.
8. The slider mechanism of claim 1 , wherein the first pins and the second pins extend from the first cover.
9. The slider mechanism of claim 1 , wherein a portion of the stiffener extends beyond the double-sided FPC in a direction that is perpendicular to the first range of motion and the second range of motion.
10. The slider mechanism of claim 1 , wherein the slider-type mobile device includes a radio telephone.
11. A slider-type mobile device comprising:
a double-folded flexible printed circuit board (FPC);
a stiffener coupled to the double-folded FPC;
first pins;
second pins; and
an opening defined by a first cover, wherein when the double-folded FPC and the stiffener move, within the opening, in synchronization along a first range of motion to an open position of the slider mechanism, the stiffener makes contact with the first pins at the open position, and when the double-folded FPC and the stiffener move, within the opening, in synchronization along a second range of motion to a closed position of the slider mechanism, the stiffener makes contact with the second pins at the closed position, wherein the stiffener includes bumps that couple the stiffener to the double-folded FPC and act as a spacer, and wherein the bumps reside on a first side of the stiffener and an opposite side, relative to the first side.
12. The slider-type mobile device of claim 11 , wherein a first folding of the double-folded FPC includes a first portion of the double-folded FPC above the first cover and a second portion of the double-folded FPC below the first cover.
13. The slider-type mobile device of claim 12 , wherein the second portion of the double folded FPC is coupled to the stiffener.
14. The slider-type mobile device of claim 11 , wherein a second folding of the double-folded FPC includes a first portion of the double-folded FPC above a second cover and a second portion of the double-folded FPC below the second cover.
15. The slider-type mobile device of claim 11 , wherein a distance between the first pins and the second pins is approximately 21 mm.
16. The slider-type mobile device of claim 11 , wherein the stiffener includes one or more holes, wherein the one or more holes reduce a weight of the stiffener.
17. The slider-type mobile device of claim 11 , wherein the double-folded FPC has an “S” configuration.
18. The slider-type mobile device of claim 11 , wherein the first pins and the second pins extend from the first cover.
19. The slider-type mobile device of claim 11 , wherein a portion of the stiffener extends beyond the double-sided FPC in a direction that is perpendicular to the first range of motion and the second range of motion.
20. The slider-type mobile device of claim 11 , wherein the slider-type mobile device comprises a wireless telephone.
21. A slider-type mobile device comprising:
a double-folded flexible printed circuit board (FPC);
a stiffener coupled to the double-folded FPC;
first pins;
second pins; and
an opening defined by a first cover, wherein when the double-folded FPC and the stiffener move within the opening and along a first range of motion to an open position of the slider mechanism, the stiffener makes contact with the first pins at the open position, and when the double-folded FPC and the stiffener move within the opening along a second range of motion to a closed position of the slider mechanism, the stiffener makes contact with the second pins at the closed position, wherein the stiffener includes bumps that couple the stiffener to the double-folded FPC and act as a spacer, and wherein the bumps reside on a first side of the stiffener and a second side of the stiffener, which is an opposite side relative to the first side.
22. The slider-type mobile device of claim 21 , wherein the first pins and the second pins extend from the first cover.
23. The slider-type mobile device of claim 21 , wherein a portion of the stiffener extends beyond edges of the double-sided FPC.
24. The slider-type mobile device of claim 21 , wherein the double-folded FPC includes holes that receive the bumps.
25. The slider-type mobile device of claim 21 , wherein a second folding of the double-folded FPC includes a first portion of the double-folded FPC above a second cover and a second portion of the double-folded FPC below the second cover.