Abstract: A multi-functional human interface device includes a control unit and a first multi-functional input button. The first multi-functional input button includes a cover unit configured to receive a touch input of a user's finger, an electrode unit including a transmitter and a receiver to form an electric field, an elastic unit configured to move from a first height to a second height when a first pressure is applied from the cover unit and configured to move back to the first height when the first pressure from the cover unit is released, and a switch unit configured to generate an electric signal representing an input of a predetermined letter.

Abstract: Proposed is an electronic device having a multi-function human interface, the electronic device including a plurality of key caps, wherein the plurality of key caps include a first key cap, a plurality of elastic units, wherein the plurality of elastic units include a first elastic unit, a plurality of conductive materials, wherein the plurality of conductive materials include a first conductive material, and an electrode layer configured to generate key input signals and touch input signals.

Abstract: Proposed is an electronic device having a multi-function human interface, the electronic device including a plurality of key caps, wherein the plurality of key caps include a first key cap, a plurality of elastic units, wherein the plurality of elastic units include a first elastic unit, a plurality of conductive materials, wherein the plurality of conductive materials include a first conductive material, and an electrode layer configured to generate key input signals and touch input signals.

Abstract: Proposed is an electronic device having a multi-function human interface, the electronic device including a plurality of key caps, wherein the plurality of key caps include a first key cap, a plurality of elastic units, wherein the plurality of elastic units include a first elastic unit, a plurality of conductive materials, wherein the plurality of conductive materials include a first conductive material, and an electrode layer configured to generate key input signals and touch input signals.

Abstract: A multi-functional human interface device includes a control unit and a first multi-functional input button. The first multi-functional input button includes a cover unit configured to receive a touch input of a user's finger, an electrode unit including a transmitter and a receiver to form an electric field, an elastic unit configured to move from a first height to a second height when a first pressure is applied from the cover unit and configured to move back to the first height when the first pressure from the cover unit is released, and a switch unit configured to generate an electric signal representing an input of a predetermined letter.

Abstract: A multi-functional human interface device includes a control unit and a first multi-functional input button. The first multi-functional input button includes a cover unit configured to receive a touch input of a user's finger, an electrode unit including a transmitter and a receiver to form an electric field, an elastic unit configured to move from a first height to a second height when a first pressure is applied from the cover unit and configured to move back to the first height when the first pressure from the cover unit is released, and a switch unit configured to generate an electric signal representing an input of a predetermined letter.

Abstract: Proposed is an electronic device having a multi-function human interface, the electronic device including a plurality of key caps, wherein the plurality of key caps include a first key cap, a plurality of elastic units, wherein the plurality of elastic units include a first elastic unit, a plurality of conductive materials, wherein the plurality of conductive materials include a first conductive material, and an electrode layer configured to generate key input signals and touch input signals.

Abstract: Proposed is a cover device including a first body including a hole in which a camera module of a target electronic device is positioned and including a magnetic material, and a second body including a first plate, a second plate, a third plate and provided in a size corresponding to the first body, wherein the second plate is rotatably connected to the first plate and the third plate is rotatably connected to the second plate, and an auxiliary plate rotatably connected to the second body.

Abstract: A multi-functional human interface device includes a control unit and a first multi-functional input button. The first multi-functional input button includes a cover unit configured to receive a touch input of a user's finger, an electrode unit including a transmitter and a receiver to form an electric field, an elastic unit configured to move from a first height to a second height when a first pressure is applied from the cover unit and configured to move back to the first height when the first pressure from the cover unit is released, and a switch unit configured to generate an electric signal representing an input of a predetermined letter.

Abstract: A multi-functional human interface device includes a control unit and a first multi-functional input button. The first multi-functional input button includes a cover unit configured to receive a touch input of a user's finger, an electrode unit including a transmitter and a receiver to form an electric field, an elastic unit configured to move from a first height to a second height when a first pressure is applied from the cover unit and configured to move back to the first height when the first pressure from the cover unit is released, and a switch unit configured to generate an electric signal representing an input of a predetermined letter.

Abstract: A multi-functional human interface device includes a control unit and a first multi-functional input button. The first multi-functional input button includes a cover unit configured to receive a touch input of a user's finger, an electrode unit including a transmitter and a receiver to form an electric field, an elastic unit configured to move from a first height to a second height when a first pressure is applied from the cover unit and configured to move back to the first height when the first pressure from the cover unit is released, and a switch unit configured to generate an electric signal representing an input of a predetermined letter.

Abstract: A multi-functional human interface device includes a control unit and a first multi-functional input button. The first multi-functional input button includes a cover unit configured to receive a touch input of a user's finger, an electrode unit including a transmitter and a receiver to form an electric field, an elastic unit configured to move from a first height to a second height when a first pressure is applied from the cover unit and configured to move back to the first height when the first pressure from the cover unit is released, and a switch unit configured to generate an electric signal representing an input of a predetermined letter.

Abstract: A multi-functional human interface device includes a control unit and a first multi-functional input button. The first multi-functional input button includes a cover unit configured to receive a touch input of a user's finger, an electrode unit including a transmitter and a receiver to form an electric field, an elastic unit configured to move from a first height to a second height when a first pressure is applied from the cover unit and configured to move back to the first height when the first pressure from the cover unit is released, and a switch unit configured to generate an electric signal representing an input of a predetermined letter.