Abstract: A vehicle is capable of efficient autonomous driving by changing the detection range and power consumption of a sensor according to the speed of the vehicle. The vehicle includes: an information acquirer configured to acquire vehicle surround information; a speed sensor configured to acquire vehicle speed; and a controller configured to determine a vehicle stopping distance based on the vehicle speed and to determine a detection area for acquiring the vehicle surround information by the information acquirer based on the stopping distance and a risk level for each sensor channel The detection area includes the stopping distance relative to the vehicle.

Abstract: The casing of a condenser microphone in accordance with the present invention comprises a groove at a bottom surface of the casing along an outer circumference of the bottom surface for preventing a deformation of a component during a curling process of an open end portion of the casing, wherein the casing for housing the component therein consists of a metallic material, the casing having an acoustic hole at the bottom surface thereof, the open end portion of the casing being at an opposite side of the bottom surface.

Abstract: The casing of a condenser microphone in accordance with the present invention comprises a groove at a bottom surface of the casing along an outer circumference of the bottom surface for preventing a deformation of a component during a curling process of an open end portion of the casing, wherein the casing for housing the component therein consists of a metallic material, the casing having an acoustic hole at the bottom surface thereof, the open end portion of the casing being at an opposite side of the bottom surface.

Abstract: The present invention describes an electret condenser microphone having a dual base structure wherein a metal ring and an insulation ring are bonded. The electret condenser microphone includes a metal ring having a shape of a spool wherein a center portion is concaved and end portions extrude, an insulation ring surrounding the center portion and extruding with respect to the extruding end portions of the metal ring to form an insulation space between a casing and the metal ring.