The present invention is directed towards a front cover for a portable electronic device as well as a portable electronic device including such a front cover. The front cover comprises a bottom layer of stiff plastic material having a first opening where at least one input key is to be provided, and
The present invention is directed towards a front cover for a portable electronic device as well as a portable electronic device including such a front cover. The front cover comprises a bottom layer of stiff plastic material having a first opening where at least one input key is to be provided, and a top layer of flexible plastic film that covers the bottom layer including said first opening. These two layers are furthermore bonded to each other. In this way a keypad is provided where dirt cannot enter between keys. The mounting process for the device is furthermore much simplified. It is furthermore possible to produce a waterproof keypad.
대표청구항▼
What is claimed is: 1. Front cover for a portable electronic device comprising: a bottom layer of stiff plastic material comprising a first opening where at least one input key is to be provided, a top layer of flexible plastic film, said top layer covering said bottom layer including said first op
What is claimed is: 1. Front cover for a portable electronic device comprising: a bottom layer of stiff plastic material comprising a first opening where at least one input key is to be provided, a top layer of flexible plastic film, said top layer covering said bottom layer including said first opening, wherein the top and bottom layers are bonded to each other, and a patch layer in said first opening adjacent the top layer, wherein an outer surface of the patch layer in said first opening is coplanar with an outer surface of the bottom layer, the top layer extends across the planar surface formed by the coplanar outer surfaces of the patch layer and the bottom layer, and wherein the patch layer comprises flexible thermo elastic or silicon material that is bonded at least to the top layer. 2. Front cover according to claim 1, wherein the top layer has a thickness in the range of 0.05-0.25 mm. 3. Front cover according to claim 1, wherein the bottom layer has a thickness in the range of 0.5-2.0 mm. 4. Front cover according to claim 1, wherein the patch layer has a thickness in the range of 0.3-1.0 mm. 5. Front cover according to claim 1, wherein the patch layer comprises protrusions extending in a direction away from the top layer. 6. Front cover according to claim 1, wherein all layers have been moulded to each other. 7. Front cover according to claim 1, wherein the bottom layer comprises a second opening where a display is to be provided and the top layer covers also said second opening. 8. Front cover according to claim 1, wherein the bottom layer has a thickness in a range of 1.0-1.5 mm. 9. Front cover according to claim 1, wherein the patch layer has a thickness in a range of 0.4-0.9 mm. 10. Portable electronic device with a front cover, said front cover comprising: a bottom layer of stiff plastic material comprising a first opening where at least one key is to be provided, and a top layer of flexible plastic film, said top layer covering said bottom layer including said first opening, wherein the top and bottom layers are bonded to each other, and a patch layer in said first opening adjacent the top layer, wherein an outer surface of the patch layer in said first opening is coplanar with an outer surface of the bottom layer, and the top layer extends across the planar surface formed by the coplanar outer surfaces of the patch layer and the bottom layer, wherein the patch layer comprises flexible thermo elastic or silicon material that is bonded at least to the top layer. 11. Portable electronic device according to claim 10, wherein the top layer has a thickness in the range of 0.05-0.25 mm. 12. Portable electronic device according to claim 10, wherein the bottom layer has a thickness in the range of 0.5-2.0 mm. 13. Portable electronic device according to claim 10, wherein the patch layer has a thickness in the range of 0.3-1.0 mm. 14. Portable electronic device according to claim 10, wherein the patch layer comprises protrusions extending in a direction away from the top layer. 15. Portable electronic device according to claim 10, wherein all layers have been moulded to each other. 16. Portable electronic device according to claim 10, wherein the bottom layer comprises a second opening where a display is to be provided and the top layer covers also said second opening. 17. Portable electronic device according to claim 10, wherein the portable electronic device comprises a portable communication device. 18. Portable communication device according to claim 17, wherein the portable electronic device comprises a cellular phone. 19. Portable electronic device according to claim 10, wherein the bottom layer has a thickness in a range of 1.0-1.5 mm. 20. Portable electronic device according to claim 10, wherein the patch layer has a thickness in a range of 0.4-0.9 mm.
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