Abstract: An electronic device is disclosed. An electronic device according to an embodiment includes a housing including a glass plate and a rear case that is combined with the glass plate to form an inner space, a bezel, disposed on at least one edge of the glass plate, including a light passage hole, a camera module disposed in the inner space in which a center of the light passage hole and an optical axis of the lens of the camera module coincide each other and a cover member for opening and closing the light passage hole, wherein the cover member includes a sliding button which includes a rack gear on a first surface and capable of performing a linearly reciprocating movement and a pinion gear that rotates according to the movement of the rack gear, and wherein the pinion gear is disposed on at least a part of the circumference at a position corresponding to the teeth meshing with the rack gear and the light passage hole and includes an open area for transmitting an incident light through the light passage hole.

Abstract: An electronic device is disclosed. An electronic device according to an embodiment includes a housing including a glass plate and a rear case that is combined with the glass plate to form an inner space, a bezel, disposed on at least one edge of the glass plate, including a light passage hole, a camera module disposed in the inner space in which a center of the light passage hole and an optical axis of the lens of the camera module coincide each other and a cover member for opening and closing the light passage hole, wherein the cover member includes a sliding button which includes a rack gear on a first surface and capable of performing a linearly reciprocating movement and a pinion gear that rotates according to the movement of the rack gear, and wherein the pinion gear is disposed on at least a part of the circumference at a position corresponding to the teeth meshing with the rack gear and the light passage hole and includes an open area for transmitting an incident light through the light passage hole.

Abstract: A keyboard includes a circuit board comprising a contact terminal, a key cap, a housing comprising at least one key cap hole configured to penetrate the key cap, an elastic support member configured to support the key cap for moving the key cap and to press the contact terminal while the key cap moves in a downward direction, a link configured to guide an elevation movement of the key cap by connecting a first end of the link to the bottom of the key cap; a rotational support plate configured to be connected to a second end of the link and to rotate on the center of the elastic support member, and a fixing support plate comprising a circular groove configured to internally accommodate the rotational support plate.

Abstract: A keyboard includes a circuit board comprising a contact terminal, a key cap, a housing comprising at least one key cap hole configured to penetrate the key cap, an elastic support member configured to support the key cap for moving the key cap and to press the contact terminal while the key cap moves in a downward direction, a link configured to guide an elevation movement of the key cap by connecting a first end of the link to the bottom of the key cap; a rotational support plate configured to be connected to a second end of the link and to rotate on the center of the elastic support member, and a fixing support plate comprising a circular groove configured to internally accommodate the rotational support plate.