Abstract: A detection device of a body-worn device including a back cover provided with a protective glass that is a light transmissive transparent section, a holder attached to the back cover and positioned opposing the protective glass, a circuit board arranged between the back cover and the holder, an optical sensor provided on the undersurface of the circuit board opposing the protective glass so as to detect light, and energizing members arranged between the holder and the circuit board so as to force the circuit board and the optical sensor toward the protective glass. By being forced toward the protective glass by the energizing members, the circuit board reliably and favorably presses the optical sensor against the protective glass, whereby the optical sensor reliably and favorably comes in close contact with the protective glass in a stable state.

Abstract: A wireless device includes a circuit board, a communicator disposed on the circuit board, and a casing accommodating the circuit board and the communicator. The casing has a through-hole in a side face. An antenna element is disposed on the exterior of the casing. A feeder extends through the through-hole in the casing and feeds electrical power from the communicator to the antenna element at a predetermined feeding position. A ground terminal extends through the through-hole in the casing and electrically connects the circuit board to the antenna element at a ground position of the antenna element at a predetermined distance from the feeding position.

Abstract: A waterproof electronic device includes a waterproof case in which electronic components are embedded and a display which is able to display and which is placed in an opening of the waterproof case in an air tight manner. The waterproof electronic device includes a space for waterproof testing therein and the waterproof electronic device includes a window for waterproof testing at positions (i) corresponding to the space for waterproof testing and (ii) avoiding the display.

Abstract: An electronic device includes a case with an opening portion; a cover member arranged in the opening portion so as to close the opening portion; a seal member provided between an outer circumferential surface of the cover member and an inner circumferential surface of the opening portion; a reinforcing portion made of a nonconductive material and provided, in the case, on a portion outside the inner circumferential surface in a direction orthogonal to an axial direction of the opening portion; an antenna; and an electronic component arranged in the case and configured to process a radio wave received by the antenna.

Abstract: A wireless device includes a circuit board, a communicator disposed on the circuit board, and a casing accommodating the circuit board and the communicator. The casing has a through-hole in a side face. An antenna element is disposed on the exterior of the casing. A feeder extends through the through-hole in the casing and feeds electrical power from the communicator to the antenna element at a predetermined feeding position. A ground terminal extends through the through-hole in the casing and electrically connects the circuit board to the antenna element at a ground position of the antenna element at a predetermined distance from the feeding position.

Abstract: An electronic device includes a housing and an internal pressure regulator valve. The internal pressure regulator valve includes a valve body of flexible material. The valve body has a valve hole and a hollow. The hollow is continuous with the valve hole and opens into the housing. Through the valve hole, gas is released to outside.

Abstract: An electronic device includes a case with an opening portion; a cover member arranged in the opening portion so as to close the opening portion; a seal member provided between an outer circumferential surface of the cover member and an inner circumferential surface of the opening portion; a reinforcing portion made of a nonconductive material and provided, in the case, on a portion outside the inner circumferential surface in a direction orthogonal to an axial direction of the opening portion; an antenna; and an electronic component arranged in the case and configured to process a radio wave received by the antenna.

Abstract: A waterproof electronic device includes a waterproof case in which electronic components are embedded and a display which is able to display and which is placed in an opening of the waterproof case in an air tight manner. The waterproof electronic device includes a space for waterproof testing therein and the waterproof electronic device includes a window for waterproof testing at positions (i) corresponding to the space for waterproof testing and (ii) avoiding the display.

Abstract: An electronic device includes a housing and an internal pressure regulator valve. The internal pressure regulator valve includes a valve body of flexible material. The valve body has a valve hole and a hollow. The hollow is continuous with the valve hole and opens into the housing. Through the valve hole, gas is released to outside.

Abstract: When external pressure extremely increases, a waterproof vibration membrane tends to be resiliently deformed extremely toward the inside. However, an inward resilient deformation inhibiting member provided on the inner side of the waterproof vibration membrane with a space therebetween inhibits this extreme inward resilient deformation of the waterproof vibration membrane, whereby the waterproof vibration membrane is prevented from being ruptured or plastically deformed. On the other hand, when the internal pressure extremely increases, the waterproof vibration membrane tends to be resiliently deformed extremely toward the outside. However, an outward resilient deformation inhibiting member provided on the outer side of the waterproof vibration membrane with a space therebetween inhibits this extreme outward resilient deformation of the waterproof vibration membrane, whereby the waterproof vibration membrane is prevented from being ruptured or plastically deformed.

Abstract: When external pressure extremely increases, a waterproof vibration membrane tends to be resiliently deformed extremely toward the inside. However, an inward resilient deformation inhibiting member provided on the inner side of the waterproof vibration membrane with a space therebetween inhibits this extreme inward resilient deformation of the waterproof vibration membrane, whereby the waterproof vibration membrane is prevented from being ruptured or plastically deformed. On the other hand, when the internal pressure extremely increases, the waterproof vibration membrane tends to be resiliently deformed extremely toward the outside. However, an outward resilient deformation inhibiting member provided on the outer side of the waterproof vibration membrane with a space therebetween inhibits this extreme outward resilient deformation of the waterproof vibration membrane, whereby the waterproof vibration membrane is prevented from being ruptured or plastically deformed.