1. A multi-layer cable having a unsaturated outer layer, usable as a reinforcing element for a tire carcass reinforcement, comprising a core (C0) of diameter d0 surrounded by an intermediate layer (C1) of four or five wires (M4 or 5) of diameter d1 wound together in a helix at a pitch p1, this layer C1 itself being surrounded by an outer layer (C2) of N wires of diameter d2 wound together in a helix at a pitch p2, N being less by 1 to 3 than the maximum number Nmax of wires which can be wound in one layer about the layer C1, this cable having the following characteristics (d0, d1, d2, p1 and p2 in mm):
0.08<d0<0.28; (i) 0.15<d1<0.28; (ii) 0.12<d2<0.25; (iii) for M4: 0.40<(d0d1)<0.80; (iv) for M5: 0.70<(d0d1)<1.10; 4.8 (d0d1)<p1<p2<5.6 (d02d1d2); (v) the wires of layers C1 and C2 are wound in the same direction of twist. (vi)
2. A cable according to claim 1, of construction 1MN, the core of which is formed of a single wire.
3. A cable according to claim 2, selected from the group consisting of cables of the constructions 148, 149, 1410, 159, 1510 and 1511.
4. A cable according to claim 2, of construction 15N.
5. A cable according to claim 4, of construction 1510.
6. A cable according to claim 1, characterised in that the pitches p1 and p2 are within a range from 5 to 15 mm.
7. A cable according to claim 1, which satisfies the following relationship:
0.15<d2<0.25.
8. A cable according to claim 7, which satisfies the following relationships:
0.14<d0<0.25; d2>0.17; d10.26.
9. A cable according to claim 1, characterised in that it is a steel cable.
10. A cable according to claim 9, characterised in that the steel is a carbon steel.
11. A cable according to claim 1, which satisfies the relationship:
5.0 (d0d1)<p1<p2<5.0 (d02d1d2).
12. A cable according to claim 11, which satisfies the relationship:
5.3 (d0d1)<p1<p2<4.7 (d02d1d2).
13. A cable according to claim 1, in which the ratio (d1d2) is between 1.05 and 1.30.
14. A cable according to claim 13, in which the ratio (d1d2) is between 1.10 and 1.20.
15. A truck tire having a carcass reinforcement comprising a multi-layer cable having a unsaturated outer layer, comprising a core (C0) of diameter do surrounded by an intermediate layer (C1) of four or five wires (M4 or 5) of diameter d1 wound together in a helix at a pitch p1, this layer C1 itself being surrounded by an outer layer (C2) of N wires of diameter d2 wound together in a helix at a pitch p2, N being less by 1 to 3 than the maximum number Nmax of wires which can be wound in one layer about the layer C1, this cable having the following characteristics (d0, d1, d2, p1 and p2 in mm):
0.08<d0<0.28; (i) 0.15<d1<0.28; (ii) 0.12<d2<0.25; (iii) for M4: 0.40<(d0d1)<0.80; (iv) for M5: 0.70<(d0d1)<1.10; 4.8 (d0d1)<p1<p2<5.6 (d02d1d2); (v) the wires of layers C1 and C2 are wound in the same direction of twist. (vi)
16. A tire according to claim 15, wherein the multi-layer cable, of construction 1MN, has a core formed by a single wire.
17. A tire according to claim 16, wherein the multi-layer cable is selected from among the group consisting of cables of the constructions 148, 149, 1410, 159, 1510 and 1511.
18. A tire according to claim 16, wherein the multi-layer cable has a construction 15N.
19. A tire according to claim 18, wherein the multi-layer cable has a construction 1510.
20. A tire according to claim 15, wherein the pitches p1 and p2 are within a range from 5 to 15 mm.
21. A tire according to claim 15, wherein the following relationships are satisfied:
0.15<d2<0.25.
22. A tire according to claim 21, wherein the following relationships are satisfied:
0.14<d0<0.25; d2>0.17; d10.26.
23. A tire according to claim 15, characterised in that the multi-layer cable is a steel cable.
24. A tire according to claim 23, characterised in that the steel is a carbon steel.
25. A tire according to claim 15, wherein the following relationships are satisfied:
5.0 (d0d1)<p1<p2<5.0 (d02d1d2).
26. A tire according to claim 25, which satisfies the relationship:
5.3 (d0d1)<p1<p2<4.7 (d02d1d2).
27. A tire according to claim 15, in which the ratio (d1d2) is between 1.05 and 1.30.
28. A tire according to claim 27, in which the ratio (d1d2) is between 1.10 and 1.20.
29. A composite fabric usable as a carcass reinforcement ply for a truck tire, comprising a matrix of rubber composition reinforced by a multi-layer cable having a unsaturated outer layer, comprising a core (C0) of diameter d0 surrounded by an intermediate layer (C1) of four or five wires (M4 or 5) of diameter d1 wound together in a helix at a pitch p1, this layer C1 itself being surrounded by an outer layer (C2) of N wires of diameter d2 wound together in a helix at a pitch p2, N being less by 1 to 3 than the maximum number Nmax of wires which can be wound in one layer about the layer C1, this cable having the following characteristics (d0, d1, d2, p1 and p2 in mm):
0.08<d0<0.28; (i) 0.15<d1<0.28; (ii) 0.12<d2<0.25; (iii) for M4: 0.40<(d0d1)<0.80; (iv) for M5: 0.70<(d0d1)<1.10; 4.8 (d0d1)<p1<p2<5.6 (d02d1d2); (v) the wires of layers C1 and C2 are wound in the same direction of twist. (vi)
30. A fabric according to claim 29, wherein the multi-layer cable, of construction 1MN, has a core formed by a single wire.
31. A fabric according to claim 30, wherein the multi-layer cable is selected from the group consisting of cables of the constructions 148, 149, 1410, 159, 1510 and 1511.
32. A fabric according to claim 30, wherein the multi-layer cable has a construction 15N.
33. A fabric according to claim 32, wherein the multi-layer cable has a construction 1510.
34. A fabric according to claim 29, wherein the pitches p1 and p2 are within a range from 5 to 15 mm.
35. A fabric according to claim 29, wherein the following relationships are satisfied:
0.15<d2<0.25.
36. A fabric according to claim 35, wherein the following relationships are satisfied:
0.14<d0<0.25; d2>0.17; d10.26.
37. A fabric according to claim 29, characterised in that the multi-layer cable is a steel cable.
38. A fabric according to claim 37, characterised in that the steel is a carbon steel.
39. A fabric according to claim 29, wherein the following relationships are satisfied:
5.0 (d0d1)<p1<p2<5.0 (d02d1d2).
40. A fabric according to claim 39, which satisfies the relationship:
5.3 (d0d1)<p1<p2<4.7 (d02d1d2).
41. A fabric according to claim 29, in which the ratio (d1d2) is between 1.05 and 1.30.
42. A fabric according to claim 41, in which the ratio (d1d2) is between 1.10 and 1.20.
43. A fabric according to claim 29, further comprising wherein its cable density is between 40 and 100 cables per dm of fabric.
44. A fabric according to claim 43, the cable density being between 50 and 80 cables per dm of fabric.
45. A fabric according to claim 29, further comprising wherein the width l of the bridge of rubber composition, between two adjacent cables, is between 0.35 and 1 mm.
46. A fabric according to claim 45, wherein the width l of the bridge of rubber composition, between two adjacent cables, is between 0.4 and 0.8 mm.
47. A fabric according to claim 29, further comprising wherein the rubber composition has, in the vulcanized state, a secant tensile modulus M10 which is less than 8 MPa.
48. A fabric according to claim 47, wherein the rubber composition has, in the vulcanized state, a secant tensile modulus M10 which is between 4 and 8 MPa.
49. A fabric according to claim 29, the rubber being natural rubber.
50. A truck tire having a carcass reinforcement comprising, as reinforcing ply, a composite fabric according to claim 29.
51. A truck tire having a carcass reinforcement comprising, as reinforcing ply, a composite fabric according to claims 30 or 31.
52. A truck tire having a carcass reinforcement comprising, as reinforcing ply, a composite fabric according to claims 32 or 33.
53. The cable of claim 1, further comprising wherein the core is comprised of L wires, wherein L is equal to or greater than 2.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A voltage compensation circuit of a display device, the display device comprising a direct-current voltage converter, a voltage level shifter and a gate driving circuit disposed on a panel of the display device, the voltage compensation circuit comprising:
a voltage divider, coupled to the gate driving circuit and providing a divided voltage;
a comparing unit, coupled to the voltage divider and receiving the divided voltage and a first predetermined reference voltage and a second predetermined reference voltage to provide at least one comparison result, wherein the comparing unit comprises:
a first comparator, having a first input terminal, a second input terminal and a first output terminal, the first input terminal receiving the divided voltage and the second input terminal receiving the first predetermined reference voltage; and
a second comparator, having a third input terminal, a fourth input terminal and a second output terminal, the third input terminal receiving the second predetermined reference voltage and the fourth input terminal receiving the divided voltage;
a time counting unit, coupled to the voltage divider and providing a plurality of timing control signals at different time points according to the divided voltage; and
a processing unit, coupled to the comparing unit and the time counting unit, and providing a voltage reference signal to the direct-current voltage converter according to the plurality of timing control signals and the comparison result, and accordingly, the direct-current voltage converter adjusting an output voltage relating to the gate driving circuit.
2. The voltage compensation circuit as claimed in claim 1, wherein the first predetermined reference voltage is less than the second predetermined reference voltage.
3. The voltage compensation circuit as claimed in claim 1, wherein the processing unit comprises:
a first D-type flip-flop, coupled to the first output terminal and the time counting unit to provide a first comparing signal; and
a second D-type flip-flop, coupled to the second output terminal and the time counting unit to provide a second comparing unit.
4. The voltage compensation circuit as claimed in claim 3, wherein the time counting unit respectively provides a first timing control signal and a second timing control signal among the plurality of timing control signals to the first D-type flip-flop and the second D-type flip-flop.
5. The voltage compensation circuit as claimed in claim 3, wherein the processing unit further comprises:
a control logic circuit, receiving the first comparing signal and the second comparing signal, and accordingly, providing a first logic control signal and a second logic control signal;
an adder-subtracter, coupled to the control logic circuit;
a latch circuit, coupled to the adder-subtracter and the time counting unit to provide a digital signal; and
a digital-to-analog converting circuit, coupled to the latch circuit and generating the voltage reference signal according to the digital signal;
wherein the adder-subtracter performs a calculation according to the first logic control signal, the second logic control signal and the digital signal.
6. The voltage compensation circuit as claimed in claim 5, wherein the latch circuit comprises a plurality of D-type flip-flops.
7. The voltage compensation circuit as claimed in claim 5, wherein the latch circuit generates the digital signal according to a third timing control signal among the plurality of timing control signals and an output signal of the adder-subtracter.