Abstract: A detection method of a pen signal that is an alternating current signal sent from a pen according to the present disclosure includes setting a first detection period and a second detection period that is the period after the first detection period ends based on a generation cycle of noise, transmitting to the pen an uplink signal requesting transmission of the pen signal in synchronization with the first detection period and transmission of the pen signal, whose phase is inverted with respect to the pen signal transmitted in synchronization with the first detection period, in synchronization with the second detection period, and acquiring the pen signal based on a first received signal received from the pen in the first detection period and a second received signal received from the pen in the second detection period.

Abstract: A door opening device for an access door includes an upper lock device, a lower lock device, and a handle device, the lower lock device has a first bias member for biasing a lower opening lever in an opposite direction to an unlocking direction, the handle device has a handle into which an unlocking operation is inputted, a first lever to which an upper cable and a lower cable are connected, a second lever which rotates in a first direction in response to an unlocking operation and transmits this rotation to the first lever, and a second bias member for restoring the second lever to an initial position, and the second lever has a play stroke defined between a point in time when the second lever starts to rotate from the initial position to a point in time when the second lever transmits the rotation to the first lever.

Abstract: An operation relay device for a motor-vehicle door latch includes a base fixed to a door panel of a door, an operation handle pivotably supported to the base, and a link lever transmitting an opening operation by the operation handle to a door latch. The base includes a plurality of fixing parts, and the operation handle is pivotably supported at a position deviating from a center in a front-rear direction on the base, so that a center of gravity of the operation relay device is in a side of the deviating position. The fixing parts except a specific fixing part are respectively fixed to the door panel by a bolt. The specific fixing part is a temporary fixing piece that is integrally formed on the upper portion of the base to be capable of engaging with an engaging hole formed on the door panel.

Abstract: A detection method of a pen signal that is an alternating current signal sent from a pen according to the present disclosure includes setting a first detection period and a second detection period that is the period after the first detection period ends based on a generation cycle of noise, transmitting to the pen an uplink signal requesting transmission of the pen signal in synchronization with the first detection period and transmission of the pen signal, whose phase is inverted with respect to the pen signal transmitted in synchronization with the first detection period, in synchronization with the second detection period, and acquiring the pen signal based on a first received signal received from the pen in the first detection period and a second received signal received from the pen in the second detection period.

Abstract: A striker on a lower part of a doorway of a vehicle body includes: first and second engagement parts on a metal base and fixed to the vehicle body to be apart from each other to respectively engage with a door latch device on a lower part of a door capable of closing the doorway and a dislocation prevention part adjacent the door latch device; a pair of front and rear engagement pieces on a vehicle interior side of the base respectively opposite the first and second engagement parts; a reinforcing piece between the first and second engagement pieces; and an elastic body fixed to the base by the first and second engagement pieces and the reinforcing piece. The elastic body has a convex portion that abuts against an inner panel of the door when the door is closed. The convex portion is supported by the reinforcing piece.

Abstract: A detection method of a pen signal that is an alternating current signal sent from a pen according to the present disclosure includes setting a first detection period and a second detection period that is the period after the first detection period ends based on a generation cycle of noise, transmitting to the pen an uplink signal requesting transmission of the pen signal in synchronization with the first detection period and transmission of the pen signal, whose phase is inverted with respect to the pen signal transmitted in synchronization with the first detection period, in synchronization with the second detection period, and acquiring the pen signal based on a first received signal received from the pen in the first detection period and a second received signal received from the pen in the second detection period.

Abstract: A door lock device pair includes right and left door lock devices; each of the door lock devices including: a housing; a coupler wall projecting from the housing; a flat portion formed on the housing; and a waterproof seal fixed to the flat portion and being wrapped around the coupler wall, the waterproof seal including: inner and outer peripheral surfaces; and an inclined surface that forms an acute angle with respect to the inner peripheral surface and an obtuse angle at another end of the inclined surface, the inner peripheral surface being in contact with the outer peripheral wall and being in contact with the inclined surface, and the waterproof seals in the door lock devices having the same shape, and the waterproof seals being wrapped around the respective outer peripheral walls in the same direction.

Abstract: A striker on a lower part of a doorway of a vehicle body includes: first and second engagement parts on a metal base and fixed to the vehicle body to be apart from each other to respectively engage with a door latch device on a lower part of a door capable of closing the doorway and a dislocation prevention part adjacent the door latch device; a pair of front and rear engagement pieces on a vehicle interior side of the base respectively opposite the first and second engagement parts; a reinforcing piece between the first and second engagement pieces; and an elastic body fixed to the base by the first and second engagement pieces and the reinforcing piece. The elastic body has a convex portion that abuts against an inner panel of the door when the door is closed. The convex portion is supported by the reinforcing piece.

Abstract: An operation relay device for a motor-vehicle door latch includes a base fixed to a door panel of a door, an operation handle pivotably supported to the base, and a link lever transmitting an opening operation by the operation handle to a door latch. The base includes a plurality of fixing parts, and the operation handle is pivotably supported at a position deviating from a center in a front-rear direction on the base, so that a center of gravity of the operation relay device is in a side of the deviating position. The fixing parts except a specific fixing part are respectively fixed to the door panel by a bolt. The specific fixing part is a temporary fixing piece that is integrally formed on the upper portion of the base to be capable of engaging with an engaging hole formed on the door panel.

Abstract: A door opening device for an access door includes an upper lock device, a lower lock device, and a handle device, the lower lock device has a first bias member for biasing a lower opening lever in an opposite direction to an unlocking direction, the handle device has a handle into which an unlocking operation is inputted, a first lever to which an upper cable and a lower cable are connected, a second lever which rotates in a first direction in response to an unlocking operation and transmits this rotation to the first lever, and a second bias member for restoring the second lever to an initial position, and the second lever has a play stroke defined between a point in time when the second lever starts to rotate from the initial position to a point in time when the second lever transmits the rotation to the first lever.

Abstract: A door lock device pair includes right and left door lock devices; each of the door lock devices including: a housing; a coupler wall projecting from the housing; a flat portion formed on the housing; and a waterproof seal fixed to the flat portion and being wrapped around the coupler wall, the waterproof seal including: inner and outer peripheral surfaces; and an inclined surface that forms an acute angle with respect to the inner peripheral surface and an obtuse angle at another end of the inclined surface, the inner peripheral surface being in contact with the outer peripheral wall and being in contact with the inclined surface, and the waterproof seals in the door lock devices having the same shape, and the waterproof seals being wrapped around the respective outer peripheral walls in the same direction.

Abstract: A pneumatic tire has a tread portion provided with two crown main groove and two shoulder main grooves and divided into a center land zone, two middle land zones and two shoulder land zones. The middle land zone is provided with middle auxiliary grooves. The shoulder land zone is provided with shoulder axial grooves. The width of the shoulder axial groove at the axially outer end is more than the width of the shoulder axial groove at the axially inner end. Through the shoulder main groove, the shoulder axial grooves are continued to the respective middle auxiliary grooves.

Abstract: A pneumatic tire is provided in a tread portion with a center land portion which is defined between center main grooves and whose top surface has a certain area and a maximum axial width of 15% to 19% of a tread width. The center land portion is provided with axial sipes and recesses. The recess extends from the center main groove toward the tire equator, and has a depth of 60% to 80% of the depth of the center main groove. The total area of the recesses is 5% to 9% of the area of the above-mentioned top surface. The center land portion is formed as a substantially continuous rib.

Abstract: A pneumatic tire includes a tread portion provided with a pair of shoulder main grooves adjacent to each tread edge and a pair of center main grooves disposed axially inwardly of the shoulder main grooves to define a pair of middle portions each of which is between the adjacent shoulder main groove and center main groove. The center main grooves have groove widths larger than the groove widths of the shoulder main grooves. The respective middle portions are provided with a plurality of inner middle lug grooves extending axially outwardly of the tire from the center main groove, and a plurality of outer middle lug grooves extending axially inwardly of the tire from the shoulder main groove. The total number of inner middle lug grooves is smaller than the total number of outer middle lug grooves in each middle portion.

Abstract: A pneumatic tire includes a tread portion provided with a pair of center main grooves to define a center portion therebetween, a pair of shoulder main grooves arranged axially outside the center main grooves to define a middle portion between the center and shoulder main grooves, and middle lateral grooves to divide the middle portion into middle blocks. Each center main groove extends in a zigzag manner including inclined long sides and inclined short sides alternately arranged in a circumferential direction of the tire. The center portion is provided with at least six center sipes within a circumferential region corresponding to a pitch of middle lateral grooves. Each middle block has a circumferential length of 85% to 95% the pitch, and is provided with at least one middle sipe. The number of middle sipe on each middle block is five or less.

Abstract: A pneumatic tire includes a tread portion, a pair of sidewall portions, a pair of bead portions, and a protrusion. The protrusion includes a plurality of longitudinal ribs and a low height part. Each rib has a protruding height of 0.5 to 7.0 mm from the normal outer surface of the sidewall. Each low height part has a protruding height from the normal outer surface of the sidewall that is lower than that of the longitudinal ribs. The sidewall portion with the protrusion has a ratio between a total area of the protrusion projected onto the normal outer surface of the sidewall portion and an area between an outer circumferential line on the sidewall portion passing through a radially outmost point of the protrusion and an inner circumferential line on the sidewall portion passing through a radially innermost point of the protrusion in a range of from 50 to 80%.

Abstract: A pneumatic tire includes a tread portion provided with a pair of shoulder main grooves adjacent to each tread edge and a pair of center main grooves disposed axially inwardly of the shoulder main grooves to define a pair of middle portions each of which is between the adjacent shoulder main groove and center main groove. The center main grooves have groove widths larger than the groove widths of the shoulder main grooves. The respective middle portions are provided with a plurality of inner middle lug grooves extending axially outwardly of the tire from the center main groove, and a plurality of outer middle lug grooves extending axially inwardly of the tire from the shoulder main groove. The total number of inner middle lug grooves is smaller than the total number of outer middle lug grooves in each middle portion.

Abstract: A pneumatic tire includes a tread portion provided with a pair of center main grooves to define a center portion therebetween, a pair of shoulder main grooves arranged axially outside the center main grooves to define a middle portion between the center and shoulder main grooves, and middle lateral grooves to divide the middle portion into middle blocks. Each center main groove extends in a zigzag manner including inclined long sides and inclined short sides alternately arranged in a circumferential direction of the tire. The center portion is provided with at least six center sipes within a circumferential region corresponding to a pitch of middle lateral grooves. Each middle block has a circumferential length of 85% to 95% the pitch, and is provided with at least one middle sipe. The number of middle sipe on each middle block is five or less.