Abstract: A blood pressure measurement device that enables checking of measurement information on an information terminal in a short time, and a control method and a control recording medium for the blood pressure measurement device. A blood pressure measurement device includes a communication unit, a processor, a pressure sensor, and an adjustment mechanism that adjusts the pressure of a cuff. The processor performs measurement processing including main processing of acquiring an output of the pressure sensor while changing the pressure of the cuff by controlling the adjustment mechanism, and deriving blood pressure information based on the output, and post-processing of decreasing the pressure of the cuff to a threshold or less by controlling the adjustment mechanism, performs transmission processing of establishing a connection of near-field wireless communication with a smartphone, and transmitting information obtained in the main processing from the communication unit to the smartphone.

Abstract: A measurement device, a control method, and a control recording medium that can improve usability in measurement of biological data. A measurement device according to one aspect of the present invention includes a control unit that performs measurement using a sensor that acquires biological data, and a nonvolatile memory. Then, the control unit starts measurement and data erasure of the nonvolatile memory upon receiving an instruction for measurement, and writes, into the nonvolatile memory, biological data obtained in the measurement upon completing the data erasure.

Abstract: To provide a measurement device and a control program that can perform data transfer with a plurality of applications in one information terminal. A data storage unit of a measurement device stores a first identifier for identifying the measurement device in wireless communication by a wireless communication unit and a second identifier for identifying the measurement device in the wireless communication by the wireless communication unit. A controller of the measurement device performs a first control that causes the wireless communication unit to perform the wireless communication with a first application using the first identifier. The controller also performs a second control that causes the wireless communication unit to execute the wireless communication with a second application using the second identifier.

Abstract: A non-wearable measurement apparatus includes: a wireless communication interface configured to execute wireless communication with an information terminal; a sensor configured to detect a change in a surrounding environment when the measurement apparatus is not in use; and a controller configured to, in response to the sensor detecting the change in the surrounding environment, cause the wireless communication interface to transmit an advertisement signal for the wireless communication before use of the measurement apparatus.

Abstract: A measurement device includes: a short-range wireless communication interface; a processor; and a storage. In a state where a communication connection with an information terminal using short-range wireless communication is established, the processor receives, from the information terminal, user information specifying a user of the information terminal, shares, with the information terminal, encryption information for performing encryption communication using short-range wireless communication, and stores the encryption information and the user information in the storage in association with each other.

Abstract: According to one aspect of the present invention, an information processing apparatus includes a determination unit that determines whether an identifier extracted from a one-way communication packet received from a sensor includes a first value indicating another information processing apparatus as a legitimate destination, a second value indicating a user different from a user of the information processing apparatus as the legitimate destination, or a third value indicating a sensor different from a sensor associated with the information processing apparatus as an origination, and a transmission unit that transmits, to a server, a second packet in which the first, the second, or the third value is stored, if the identifier includes the first, the second, or the third value.

Abstract: A material for a hot melt extrusion method contains at least a cellulose derivative and an additive. The cellulose derivative is cellulose acetate propionate and when a degree of substitution of an acetyl group is X and a degree of substitution of a propionyl group is Y, the cellulose derivative satisfies the following Expression (1) and Expression (2); and the additive contains a plasticizer and a compound A containing a partial structure having a NICS value in the range of ?14 or more and ?10 or less, 2.0 ? X + Y ? 3.0 Expression ? ? ( 1 ) 0.5 ? Y ? 2.6 .

Abstract: According an aspect of the present invention, a data receiving apparatus includes a calculator. The calculator (1) stores a date and time indicated by the clock unit in association with a first local date and time in the memory as a reference date and time, when the packet includes first date-and-time data indicating the first local date and time and information indicating that the first date-and-time data can be used for date and time association, and (2) calculates, when the packet includes sensor data and second date-and-time data indicating a second local date and time associated with the sensor data, a third date and time based on a difference between the first local date and time and the second local date and time, and on the reference date and time.

Abstract: An information processing device according to one aspect of the present invention includes a receiver configured to receive a packet for one-way communication including data from an external device, an application execution unit configured to execute an application which processes the data, and an intermittent reception parameter adjustment unit configured to adjust an intermittent reception parameter for controlling an intermittent reception operation of the receiver so that when the application is operating in a background, a duty ratio of the intermittent reception operation is smaller than when the application is operating in a foreground.

Abstract: According to the first aspect of the present invention, a data transmission apparatus includes a transmission control unit which generates a packet for one-way communication including first difference sensor data, and a transmission unit which transmits the generated packet. The first difference sensor data is a difference between first sensor data measured by a sensor and a reference value associated with the first sensor data.

Abstract: A data transmitting apparatus include a measurement control unit to measure an amount relating to biological information; an encryption key generation control unit to generate, as an encryption key, information calculated from first shared information and second shared information that is shared with a receiving apparatus; an encryption control unit to encrypt the biological information with the encryption key and generate encryption data; a packet generation control unit to generate a one-way transmission packet that includes the first shared information and the encryption data; and a transmitter to transmit the packet.

Abstract: According to an aspect of the invention, a data transmitting apparatus includes a transmitting unit that transmits a first packet through a unidirectional communication based on an instruction to transmit the first packet, and that transmits a second packet through a unidirectional communication based on an instruction to transmit the second packet.

Abstract: According to an aspect of the present invention, a data receiving apparatus includes a receiver configured to receive a one-way communication packet transmitted from a data transmitting apparatus; a calculator configured to calculate a reception signal strength of the packet at the receiver; a comparison unit configured to compare the calculated reception signal strength with a threshold value; a generation unit configured to generate assistance information relating to transmission power of the data transmitting apparatus if the reception signal strength exceeds a threshold value as a result of the comparison; and an output unit configured to output the assistance information.

Abstract: A measuring device according to one aspect of the present invention includes a processor configured to acquire, from a sensor, a first, a second, a third and a fourth measurement result obtained by measuring a value related to information at time intervals using the sensor, transmit the first measurement and the second measurement result in a one-way communication packet during a first period from when the second measurement result is obtained until the third measurement result is obtained, and transmit the second and the third measurement result in the one-way communication packet during a second period from when the third measurement result is obtained until the fourth measurement result is obtained.

Abstract: A data transmitting apparatus include a measurement control unit to measure an amount relating to biological information; an encryption key generation control unit to generate, as an encryption key, information calculated from first shared information and second shared information that is shared with a receiving apparatus; an encryption control unit to encrypt the biological information with the encryption key and generate encryption data; a packet generation control unit to generate a one-way transmission packet that includes the first shared information and the encryption data; and a transmitter to transmit the packet.

Abstract: An information processing device according to one aspect of the present invention includes a receiver configured to receive a packet for one-way communication including data from an external device, an application execution unit configured to execute an application which processes the data, and an intermittent reception parameter adjustment unit configured to adjust an intermittent reception parameter for controlling an intermittent reception operation of the receiver so that when the application is operating in a background, a duty ratio of the intermittent reception operation is smaller than when the application is operating in a foreground.

Abstract: According an aspect of the present invention, a data receiving apparatus includes a calculator. The calculator (1) stores a date and time indicated by the clock unit in association with a first local date and time in the memory as a reference date and time, when the packet includes first date-and-time data indicating the first local date and time and information indicating that the first date-and-time data can be used for date and time association, and (2) calculates, when the packet includes sensor data and second date-and-time data indicating a second local date and time associated with the sensor data, a third date and time based on a difference between the first local date and time and the second local date and time, and on the reference date and time.

Abstract: According to one aspect of the present invention, an information processing apparatus includes a determination unit that determines whether an identifier extracted from a one-way communication packet received from a sensor includes a first value indicating another information processing apparatus as a legitimate destination, a second value indicating a user different from a user of the information processing apparatus as the legitimate destination, or a third value indicating a sensor different from a sensor associated with the information processing apparatus as an origination, and a transmission unit that transmits, to a server, a second packet in which the first, the second, or the third value is stored, if the identifier includes the first, the second, or the third value.

Abstract: According to the first aspect of the present invention, a data transmission apparatus includes a transmission control unit which generates a packet for one-way communication including first difference sensor data, and a transmission unit which transmits the generated packet. The first difference sensor data is a difference between first sensor data measured by a sensor and a reference value associated with the first sensor data.

Abstract: A measuring device according to one aspect of the present invention includes a measurement control unit configured to acquire a measurement result obtained by measuring a quantity related to information on a user using a sensor, a packet generation unit configured to generate a one-way communication packet including the acquired measurement result, an action determination unit configured to determine whether or not the user is taking a specific action, a transmission interval adjusting unit configured to adjust a transmission interval based on a result of a determination by the action determination unit, and a packet transmission unit configured to transmit the packet at the adjusted transmission interval.