1. An ear jack for detecting an earphone plug comprising terminals of at least three poles, the ear jack comprising:
a housing comprising a cavity for inserting the terminals of the earphone plug;
a plurality of pins installed on an inner circumference surface of the housing and being in selective contact with a corresponding terminal of the earphone plug;
a first detection part for detecting an insertion of a first terminal that is an end of the earphone plug;
a second detection part for detecting the insertion of the first terminal, wherein the second detection part comprises a plate spring installed to be pressed upwards in a bottom surface of the housing so as to provide an electrical connection with the controller that is controlled based on the insertion of the first terminal;
a controller for detecting the insertion of the earphone plug when the first detection part and the second detection part both detect the insertion of the first terminal; and
an actuator installed between the second detection part and an end part of the earphone plug such that the actuator is pressed by the end part, and the actuator presses the plate spring to electrically connect and disconnect the plate spring from the controller.
2. The ear jack of claim 1, wherein the first detection part comprises a plate spring protrusively installed in a side surface of the housing and detecting that the spring is pushed by a side surface of the first terminal, and is at least one of opened and shorted with a preset contact point electrically connecting with the controller.
3. The ear jack of claim 2, wherein the plate spring is pushed by an end part of the first terminal and is at least one of opened and shorted with a preset contact point that electrically connects the second detection part with the controller.
4. The ear jack of claim 3, wherein the second detection part comprises a metallic plate spring including a free end and a fixing end formed integrally with the free end, the free end partially protruding inside the housing and being in selective contact at its end with a preset contact point, and the fixing end being fixed to a detection terminal connecting with the controller.
5. The ear jack of claim 3, wherein the actuator presses the plate spring to isolate the plate spring from the contact point.
6. The ear jack of claim 5, wherein the actuator is installed to be fixed to an inner side of a bottom surface of the housing and be supported by an elastic force of a metal dome molded inside.
7. The ear jack of claim 6, further comprising:
a contact protrusion comprising a groove adjacent thereto, wherein the contact protrusion is formed to protrude from the bottom of the actuator, and presses the plate spring downwards when the earphone plug is inserted into the housing.
8. The ear jack of claim 7, wherein, when the earphone plug is uninserted from the housing, the actuator is restored to an original state by the metal dome.
9. The ear jack of claim 8, wherein the actuator is formed of at least one of silicon and elastic rubber material, and the metal dome is insert-molded inside the actuator.
10. The ear jack of claim 9, wherein the first detection part and the second detection part include a vertical distance between thereof that is constructed to be shorter than a vertical length of the first terminal.
11. A portable terminal comprising an ear jack, the ear jack comprising:
a housing comprising a cavity for inserting terminals of at least three poles of an earphone plug;
a plurality of pins installed on an inner circumference surface of the housing and being in selective contact with a corresponding terminal of the earphone plug;
a first detection part for detecting an insertion of a first terminal that is an end of the earphone plug;
a second detection part for detecting the insertion of the first terminal, wherein the second detection part comprises a plate spring installed to be pressed upwards in a bottom surface of the housing so as to provide an electrical connection with the controller that is controlled based on the insertion of the first terminal;
a controller for detecting the insertion of the earphone plug when the first detection part and the second detection part both detect the insertion of the first terminal; and
an actuator installed between the second detection part and an end part of the earphone plug such that the actuator is pressed by the end part, and the actuator presses the plate spring to electrically connect and disconnect the plate spring from the controller.
12. The portable terminal of claim 11, wherein the first detection part comprises a plate spring protrusively installed in a side surface of the housing and detecting that the spring is pushed by a side surface of the first terminal, and is at least one of opened and shorted with a preset contact point electrically connecting with the controller.
13. The portable terminal of claim 12, wherein the plate spring is pushed by an end part of the first terminal and is at least one of opened and shorted with a preset contact point that electrically connects the second detection part with the controller.
14. The portable terminal of claim 13, wherein the second detection part comprises a metallic plate spring including a free end and a fixing end formed integrally with the free end, the free end partially protruding inside the housing and being in selective contact at its end with a preset contact point, and the fixing end being fixed to a detection terminal connecting with the controller.
15. The portable terminal of claim 13, wherein the actuator presses the plate spring to isolate the plate spring from the contact point.
16. The portable terminal of claim 15, wherein the actuator is installed to be fixed to an inner side of a bottom surface of the housing and be supported by an elastic force of a metal dome molded inside.
17. The portable terminal of claim 16, further comprising:
a contact protrusion comprising a groove adjacent thereto, wherein the contact protrusion is formed to protrude from the bottom of the actuator, and presses the plate spring downwards when the earphone plug is inserted into the housing.
18. The portable terminal of claim 17, wherein, when the earphone plug is uninserted from the housing, the actuator is restored to an original state by the metal dome.
19. The portable terminal of claim 18, wherein the actuator is formed of at least one of silicon and elastic rubber material, and the metal dome is insert-molded inside the actuator.
20. The portable terminal of claim 19, wherein the first detection part and the second detection part include a vertical distance between thereof that is constructed to be shorter than a vertical length of the first terminal.
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 ballistic resistant article comprising at least one consolidated composite, wherein
the at least one consolidated composite comprises at least two layers,
each layer comprises a network of fibers,
the fibers have a strength of at least 800 mNtex (1100 MPa) according to ASTM D 7269-07,
the fibers in each layer are impregnated with a matrix material, and
each consolidated composite has a front surface and a rear surface,
wherein
at least the front surface of each consolidated composite is powder coated with partly molten and solidified powder particles to form a powder coated surface.
2. The ballistic resistant article according to claim 1, wherein the article comprises 2 to 100 consolidated composites.
3. The ballistic resistant article according to claim 1, wherein each consolidated composite comprises 2 to 10 layers.
4. The ballistic resistant article according to claim 1, wherein the network of fibers comprised by each layer is a woven fabric or a non-woven fabric.
5. The ballistic resistant article according to claim 4, wherein the non-woven fabric is a unidirectional aligned fiber layer.
6. The ballistic resistant article according to claim 1, wherein the fibers are aramid fibers.
7. The ballistic resistant article according to claim 1, wherein the matrix material comprises an organic polymer and the polymer is a styrene isoprene styrene block copolymer, a styrene butadiene random copolymer, a self-crosslinking acrylic polymer andor a crosslinkable acrylic polymer or a polychloroprene polymer.
8. The ballistic resistant article according to claim 1, wherein a matrix material content in each layer and in each consolidated composite ranges from 5 wt.-% to 30 wt.-% with respect to the weight of the fibers without moisture, and an areal density of each consolidated composite ranges from 50 gm2 to 500 gm2.
9. The ballistic resistant article according to claim 1, wherein the powder particles consist of a thermoplastic polymer, wherein the thermo-plastic polymer is a member selected from one of the groups consisting of low-density polyethylenes (LDPE), linear low-density polyethylenes (LLDPE), high-density polyethylenes (HDPE) and polyvinyl chlorides (PVC).
10. The ballistic resistant article according to claim 1, wherein an areal density of the partly molten and solidified powder particles on a powder coated surface ranges from 0.1 gm2 to 50 gm2.
11. The ballistic resistant article according to claim 15, wherein the islands in the island-in-the-sea coating pattern do not contact one another, and, if looked from above, exhibit a spherical andor elliptical shape.
12. The ballistic resistant article according to claim 11, wherein the spherical shaped islands have an arithmetically averaged diameter ds and the elliptical shaped island have an arithmetically averaged diameter de obtained from arithmetically averaging the lengths of the long axes and of the short axes of the ellipses, so that the islands,
when looked from above, exhibit an average diameter di=(ds+de)2, and di ranges from 10 to 10000 \u03bcm, and
when looked from the side, exhibit an arithmetically averaged height h, and h ranges from 0.5 to 1000 \u03bcm.
13. The ballistic resistant article according to claim 15, wherein the islands cover a fraction of the powder coated surface defined by a cover factor fc={(Acovered(Auncovered+Acovered))}\xb7100 %, wherein Auncovered denotes the uncovered area of the powder coated surface and Acovered denotes the covered area of the powder coated surface, and fc ranges from 1% to 95%.
14. Process to manufacture a ballistic resistant article according to claim 1, wherein the process comprises the following steps:
a) manufacturing at least one consolidated composite which comprises at least two layers, each layer comprises a network of fibers, the fibers have a strength of at least 800 mNtex (1100 MPa) according to ASTM D 7269-07, and the fibers in each layer have been impregnated with a matrix material,
b) powder coating at least one surface of the consolidated composite resulting from step a) with powder particles by
(1) distributing the powder particles on the surface,
(2) partly melting the distributed particles resulting from step b(1) on the surface, and
(3) solidifying the partly molten particles resulting from step b(2) on the surface,
and, if two or more composites have been manufactured in steps a) and b),
c) stacking the two or more powder coated consolidated composites obtained in step b) and fixating the consolidated composites with one another by stitching them.
15. The ballistic resistant article according to claim 1, wherein the partly molten and solidified powder particles form an island in the sea coating pattern on the powder coated surface.
16. Process according to claim 14, wherein the operations (1), (2) and (3) have to be performed in a manner that ensures that an island in the sea coating pattern is obtained on the powder coated surface.