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公开(公告)号：US20240420034A1
公开(公告)日：2024-12-19
申请号：US18705913
申请日：2022-11-18
Inventor： Katsuhiko HIRAMATSU
Abstract: A zone assignment system includes a schedule obtainer that obtains usage schedules of users each indicating the intended use of a space by a user; an assigner that assigns each user a zone to use, based on the usage schedules obtained; and an outputter that outputs an assignment result indicating the zone assigned. The assigner assigns a first zone out of the zones to the user, among the users, who has a usage schedule indicating a first intended use as the intended use, and the assigner assigns a second zone out of the zones to the user, among the users, who has a usage schedule indicating a second intended use as the intended use, the second zone being a zone not adjacent to the first zone.
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公开(公告)号：US20200229203A1
公开(公告)日：2020-07-16
申请号：US16629284
申请日：2018-06-08
Inventor： Katsuhiko HIRAMATSU , Takayuki SOTOYAMA , Shutai OKAMURA
Abstract: A transmitter communicates with a receiver via a satellite station that transmits a signal by a multibeam system. The transmitter includes a scheduler and a transmission unit. The scheduler performs scheduling to determine a time and a wireless channel to transmit data addressed to the receiver based on an area where the receiver is present. The transmission unit transmits a signal of the data addressed to the receiver to the satellite station by the wireless channel determined by the scheduler and at the time determined by the scheduler. The signal transmitted from the transmission unit by an i-th (i is an integer of 1 or larger) wireless channel is transmitted from the satellite station to the receiver by an i-th beam. Frequencies of signals transmitted from the satellite station by respective beams are same.
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公开(公告)号：US20230277709A1
公开(公告)日：2023-09-07
申请号：US18019296
申请日：2021-08-11
Inventor： Katsuhiko HIRAMATSU
IPC: A61L9/015
CPC classification number: A61L9/015 , A61L2209/111 , A61L2209/16
Abstract: This control system includes a ventilation device which performs exchange between gas inside a room including an infectious object and gas outside the room, to discharge and remove the infectious object; a supply device which supplies an inactivating substance, for inactivating the infectious object, to inside the room to inactivate and remove the infectious object; and a control device which controls the ventilation device and the supply device. The control device switches between a first mode and a second mode which is different from the first mode. The first mode is for performing at least one of a first operation whereby, on the occasion of increasing the removal capability of one of the ventilation device and the supply device, the removal capability of the other is decreased, and a second operation whereby, on the occasion of decreasing the removal efficiency of one of the ventilation device and the supply device, the removal efficiency of the other is increased.
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公开(公告)号：US20230343471A1
公开(公告)日：2023-10-26
申请号：US18022158
申请日：2021-08-11
Inventor： Katsuhiko HIRAMATSU
Abstract: A proposal system includes an obtainer that obtains user information regarding a user who uses an indoor space; and a proposal unit that proposes a condition of use of the indoor space depending on the user information obtained. The proposal unit calculates an infection probability in transmission of an infectious material to the user based on a total number of users of the indoor space and a period of use of the indoor space which are included in the user information. When the infection probability calculated exceeds an upper infection probability limit, the proposal unit proposes the condition of use under which the infection probability falls below the upper infection probability limit.
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