Please select the most similar patent number from A, B, C and D. Which number is?
A time difference pressure distribution and output device comprises a pressure chamber member (1), a time difference chamber member (2), a pressure transmission member (3), and a time difference transmission member (4). The pressure transmission member (3) is slidably disposed on the pressure chamber member (1) and is connected to a first actuator (B3). The time difference transmission member (4) is slidably disposed on the time difference chamber member (2) and is connected to a second actuator (B4). By means of pressure adjustment, the sliding time of the pressure transmission member (3) is ahead of the sliding time of the time difference transmission member (4), thereby allowing the two actuators (B3, B4) to successively act.
A: Provided are an on-line temporary storage device and a control method and control apparatus therefor, and a transmission system. The on-line temporary storage device comprises: a bracket component (11), which is located in a perpendicular direction of an output sheet transmission platform (1C) and is parallel to the output sheet transmission platform (1C), and is used for temporarily storing target objects; and a transmission component (12), which is located on a side of a horizontal direction of the output sheet transmission platform (1C), and is used for putting the target objects into the bracket component (11) and taking the target objects out of the bracket component (11) and transmitting same to the output sheet transmission platform (1C). By means of the on-line temporary storage device and the control method, control apparatus and transmission system therefor, the damage rate during object transmission can be reduced, the transmission reliability is improved, multiple choices are added for a sheet taking mode, and the temporary storage quantity of the on-line temporary storage device can also be increased.
B: A weight sensing device comprises at least one airbag (1) and an object sensing circuit (2). The airbag (1) comprises a space (11) therein. The space (11) is filled with a gas (12). The object sensing circuit (2) is arranged in the space (11) of the airbag (1). The object sensing circuit (2) comprises a microcontroller unit (21), a battery unit (22), a boost converter/voltage regulator loop unit (24), a gravity sensor unit (23), a pressure sensor unit (25), and a data transmission unit (27). When the airbag (1) is squeezed, the gravity sensor unit (23) is configured to sense a displacement and activate the battery unit (22) to provide a power supply to the object sensing circuit (2) for operation. Subsequently, the pressure sensor unit (25) is configured to sense that the space (11) of the airbag (1) is squeezed, generate a pressure change value accordingly, and transmit the pressure change value to the microcontroller unit (21) for further processing. The microcontroller unit (21) is configured to transmit the data via the data transmission unit (27) to a software built-in in electronic equipment (4), to enable to the software built-in in the electronic equipment (4) to receive a pressure change state when the airbag (1) receives a pressure. In doing so, a user holding the electronic equipment (4) can know a weight change state during a movement. The device only activates detection upon the gravity sensor unit (23) senses a displacement, and remains inactivated in a normal state, and is a low-power sensing device.
C: A shelter structure is disclosed. An upper hub (1) is mounted on a guide tube (4). The guide tube (4) is telescopically disposed on a top portion (8) of a support tube (5), and is movable relative to the top portion (8) of the support tube (5). The guide tube (4), and a slider (3), a sleeve or a runner are connected to each other via a flexible traction member (6) to form a flexible traction mechanism. One end of the flexible traction member (6) is securely mounted on the slider (3), and the other end is securely mounted on a counterweight member (7). When the umbrella is to be closed, the slider (3) is moved downward along the support tube (5), and the sliding device pulls the flexible traction member (6) to lift the counterweight member (7) upwards. When an upper end of the counterweight member (7) is brought into contact with a lower end of the guide tube (4), the guide tube (4) is pushed upwards by the counterweight member (7), and the upper hub (1) is lifted. At the same time, the ribs (9a) pivotably connected to the upper hub (1) are driven to be lifted. In a second embodiment, a free pulley system is additionally provided for labor-saving purposes. The pulley system is composed of an additional push rod (11) telescopically disposed in the support tube (5) and the guide tube (4), and operable through a device such as an additional traction member. On closing of the umbrella, the push rod (11) is driven to move by the counterweight member (7), and the guide tube (4) is pushed upwards by the push rod (11).
D: Disclosed are a hydraulic-type time-difference brake apparatus and an assembly thereof, wherein the hydraulic-type time-difference brake apparatus at least comprises a driving mechanism (1) disposed on a push block (10) at the uppermost portion of a chamber (20) of a housing (2). The driving mechanism (1) is activated, via a brake operation module (A1), to enable a set displacement of the push block (10), so as to drive a first piston (30) of a first pump mechanism (3) to be displaced in real time to output a first braking force to a rear wheel brake (50). Once the first piston (30) of the first pump mechanism (3) reaches a point within the time difference from the set displacement, a second piston (40) of a second pump mechanism (4) will be involved and pushed to move, so as to output a second braking force to a front wheel brake (51).
Answer: D