1. A case for a handheld computer system comprising:
an encasing structure configured to receive said handheld computer system, said encasing structure comprising a length dimension, a width dimension and a height dimension;
a lifting mechanism coupled to said encasing structure for lifting said handheld computer system from a closed position to an open position,
wherein said open position is above said height dimension and within said width and said length dimensions of said encasing structure.
2. The case as recited in claim 1 wherein said encasing structure, in said closed position, protects externally accessible ports of said handheld computer system.
3. The case as recited in claim 1 wherein said encasing structure, in said open position, allows access to external ports of said handheld computer system.
4. The case as recited in claim 1 wherein said lifting mechanism locks said handheld computer system within said height, length and width dimensions of said encasing structure in said closed position.
5. The case as recited in claim 1 wherein said length, width and height dimensions of said encasing structure are slightly larger than height, width and length dimensions of said handheld computer system.
6. The case as recited in claim 1 wherein said lifting mechanism is configured to raise a side of said handheld computer system above said height dimension of said encasing structure while maintaining an opposite side of said handheld computer below said height dimension of said encasing structure.
7. The case as recited in claim 1 wherein said lifting mechanism is configured to raise said handheld computer system entirely above said height dimension of said encasing structure.
8. An encasing structure for a handheld computer system comprising:
a length dimension, a width dimension and a height dimension;
an opening configured to receive said handheld computer system; and
a lifting mechanism for lifting said handheld computer system from a closed position to an open position,
wherein said open position is above said height dimension.
9. The encasing structure as recited in claim 8 wherein in said closed position, said encasing structure protects externally accessible ports of said handheld computer system.
10. The encasing structure as recited in claim 8 wherein in said open position, said encasing structure allows access to external ports of said handheld computer system.
11. The encasing structure as recited in claim 8 wherein said lifting mechanism locks said handheld computer system within said height, length and width dimensions in said closed position.
12. The encasing structure as recited in claim 8 wherein said length, width and height dimensions are slightly larger than height, width and length dimensions of said handheld computer system.
13. The encasing structure as recited in claim 8 wherein said lifting mechanism is configured to raise a side of said handheld computer system above said height dimension of said encasing structure while maintaining an opposite side of said handheld computer below said height dimension of said encasing structure.
14. The encasing structure as recited in claim 8 wherein said lifting mechanism is configured to raise said handheld computer system entirely above said height dimension of said encasing structure.
15. A system for protecting externally disposed ports on a handheld computer system comprising:
enclosing means adapted to receive and have disposed therein said handheld computer system, said enclosing means having length, width and height dimensions; and
lifting means coupled with said enclosing means and configured to couple with said handheld computer system, said lifting means adapted to raise and lower a portion of said handheld computer system above and below said height dimension;
wherein said enclosing means protects said externally disposed ports and wherein said lifting means enables access to said externally disposed ports upon raising said portion of said handheld computer system above the confines of said enclosing means.
16. The system as described in claim 15 wherein said lifting means comprises a first positioning means and a second positioning means for positioning said portion of said handheld computer system in a first position and in a second position.
17. The system as described in claim 15 wherein said lifting means is adapted to raise said handheld computer system entirely above said height dimension of said enclosing means.
18. The system as described in claim 15 wherein said lifting means is activated in response to a push upon a surface of said handheld computer system.
19. A method for protecting and accessing externally disposed ports on a handheld computer system comprising:
raising a portion of said handheld computer system above a height dimension of an enclosing structure for accessing said externally disposed ports of said handheld computer system, said raising performed via a lifting device configured to raise and lower said handheld computer, said lifting device adapted to couple with said handheld computer system, said enclosing structure adapted to receive said handheld computer system wherein said raising positions said handheld computer system within a length dimension and a width dimension of said enclosing structure; and lowering said portion of said handheld computer system, via said lifting device, within said height dimension of said enclosing structure for protecting said externally disposed ports of said handheld computer system.
20. The method as recited in claim 19 wherein said raising elevates said handheld computer entirely above said enclosing structure and wherein said lowering lowers said handheld computer system to entirely within said height dimension of said enclosing structure.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1-58. (canceled)
59. A layered structure comprising a fine fiber layer and a filtration support, the fine fiber comprising a first polymer and a second polymer, the first polymer comprising an aliphatic polyurethane comprising the reaction product of an aliphatic diisocyanate and either an aliphatic polyether polyol or an aliphatic polyester polyol and a second polymer comprising a polyamide polymer comprising a nylon 6, a nylon 66, a nylon 610 or mixtures thereof, or co-polymers thereof; wherein there are about 0.1 to about 0.99 parts of the second polymer per part of the first polymer, and the fiber has a diameter of about 0.001 to about 2 microns.
60. The fiber of claim 59 wherein the aliphatic diisocyanate comprises dicyclohexylmethane-4,4\u2032-diisocyanate.
61. The fiber of claim 59 wherein the polyol consists of a polyether polyol.
62. The fiber of claim 59 wherein the polyurethane comprises a hard aliphatic diisocyanate section and a soft polyol section.
65. The fiber of claim 59 combined with either a particulate or a filtration substrate.
66. The fiber of claim 65 wherein the substrate is a non-woven substrate.
67. The fiber of claim 65 wherein the non-woven substrate comprises a cellulosic medium, a cellulose synthetic medium or a polymeric synthetic medium.
68. The fiber of claim 67 wherein the fine fiber is in the form of a non-woven layer having a thickness of about 1 to about 300 microns.
69. The fiber of claim 59 wherein the fiber is electrospun onto a support layer to form an electrospun fiber layer.
70. The fiber of claim 59 wherein the support layer is a nonwoven web.
71. The fiber of claim 59 wherein the support layer comprises a cellulosic substrate, a cellulosicsynthetic substrate or a polymeric non-woven substrate.
72. The fiber of claim 59 wherein the fiber layer is removed from the support layer after electrospinning.
73. The fiber of claim 59 wherein the fine fiber diameter is about 0.01 to about 2 microns and the thickness of the layer is about 1 to 100 times the diameter of the fine fiber.
74. The fiber of claim 59 wherein the fiber layer thickness is about 1 to 5 times the diameter of the fine fiber.
75. The fiber of claim 59 wherein the fiber layer thickness is about 1 to 30 microns.
76. The fiber of claim 59 wherein the fiber layer is a bilayer of the fine fiber.
77. The fiber of claim 59 wherein the layer is a multilayer of the fine fiber.