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Protective case for an electronic device and an input method using the same

  • US 10,437,393 B2
  • Filed: 04/17/2015
  • Issued: 10/08/2019
  • Est. Priority Date: 04/17/2014
  • Status: Expired due to Fees
First Claim
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1. A protective case for protecting an electronic device, the protective case comprising:

  • a front cover for covering a touch screen of the electronic device;

    a conductive layer for generating a touch input on the touch screen; and

    a protective layer,wherein the conductive layer comprises at least one first conductive layer disposed at the front cover, and a groove is formed in an internal surface of the front cover,wherein the first conductive layer is disposed between the protective layer and the internal surface of the front cover,wherein the first conductive layer comprises a plurality of conductive regions and a connecting wire for electrically connecting conductive regions adjacent to each other from among the plurality of conductive regions,wherein a support plate is formed on the internal surface of the front cover, and the first conductive layer is formed on the support plate, each of the conductive regions of the first conductive layer comprising a plurality of portions,wherein the front cover comprises a non-conductive material layer, a base layer, and the support plate, the base layer being disposed between the non-conductive material layer and the support plate, andwherein a key is embedded in the non-conductive material layer and the base layer such that at least two portions of the plurality of portions are electronically connected to each other when the key is pressed.

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