# US 2021/0243581 A1 · Wireless device and wireless system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0243581 A1 - Document ID: US20210243581A1 - Status: Published application - Kind: A1 - Application number: 16/997,755 - Filed: 2020-08-19 - Published: 2021-08-05 - Earliest claimed: 2020-02-04 - Assignees: Kabushiki Kaisha Toshiba; Toshiba Electronic Devices & Storage Corporation - Applicants: Kabushiki Kaisha Toshiba; Toshiba Electronic Devices & Storage Corporation - Inventors: Kiichiro OYA - Web page: https://patentgrep.com/patent/US20210243581A1 ## CPC - H04W 4/80: Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication - A61B 5/0015: {characterised by features of the telemetry system} - A61B 5/002: {Monitoring the patient using a local or closed circuit, e.g. in a room or building (A61B5/0017 takes precedence)} - A61B 5/022: by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers - A61B 5/6801: {specially adapted to be attached to or worn on the body surface} - H04W 4/38: for collecting sensor information - H04W 56/001: {Synchronization between nodes} - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract A wireless device includes a clock for generating clock cycles, a wireless transmission/reception circuit, a counter configured to count the number of clock cycles output by the clock since a previous point in time, and a controller. The controller is configured to append a first counter value from the counter to transmission data. The first counter value corresponds to a time of transmission for the transmission data from the wireless transmission/reception circuit. The transmission data further includes a measurement value from a sensor device and a second counter value from the counter corresponding to a time of measurement for the measurement value. ## Claims ### Claim 1 A wireless device, comprising: a clock for generating clock cycles; a wireless transmission/reception circuit; a counter configured to count the number of clock cycles output by the clock since a previous point in time; and a controller configured to append a first counter value from the counter to transmission data, the first counter value corresponding to a time of transmission for the transmission data from the wireless transmission/reception circuit, the transmission data further including a measurement value from a sensor device and a second counter value from the counter corresponding to a time of measurement for the measurement value. ### Claim 2 (depends on 1) The wireless device according to claim 1, wherein the controller is configured to output the second counter value to the sensor device, and the transmission data is received from the sensor device including the measurement value and the second counter value in association with each other. ### Claim 3 (depends on 1) The wireless device according to claim 1, wherein when the measurement value is received from the measuring device, the controller is further configured to store the measurement value and the second counter value in a memory before the received transmission data is output from the wireless transmission/reception circuit. ### Claim 4 (depends on 1) The wireless device according to claim 1, wherein the second counter value is based on an elapsed time from when the wireless device was last powered on or reset until the time of measurement for the measurement value, and the first counter value is based on the elapsed time from when the wireless device was last powered on or reset until the time of transmission for the transmission data. ### Claim 5 (depends on 1) The wireless device according to claim 1, wherein the controller is configured to cause the transmission/reception circuit to transmit transmission data including a plurality of measurement values measured by the sensor device and a plurality of second counter values each respectively corresponding to a time of measurement for the plurality of measurement values, the transmission data having the first count value appended thereto. ### Claim 6 (depends on 1) The wireless device according to claim 1, wherein the measurement value is received from the sensor device via Bluetooth Low Energy (BLE) communication. ### Claim 7 A wireless system, comprising: a sensor device configured to acquire measurement values; and a wireless device including: a clock for generating clock cycles; a wireless transmission/reception circuit; a counter configured to count the number of clock cycles output by the clock since a previous point in time; and a controller configured to append a first counter value from the counter to transmission data, the first counter value corresponding to a time of transmission for the transmission data from the transmission/reception circuit, wherein the transmission data further includes a measurement value from the sensor device and a second counter value from the counter corresponding to a time of measurement for the measurement value. ### Claim 8 (depends on 7) The wireless system according to claim 7, wherein the sensor device is a wearable device being worn by a person. ### Claim 9 (depends on 7) The wireless system according to claim 7, wherein the controller is configured to output the second counter value to the sensor device, and the transmission data is received from the sensor device including the measurement value and the second counter value in association with each other. ### Claim 10 (depends on 7) The wireless system according to claim 7, wherein when the measurement value is received from the measuring device, the controller is further configured to store the measurement value and the second counter value in a memory before the received transmission data is output from the wireless transmission/reception circuit. ### Claim 11 (depends on 7) The wireless system according to claim 7, wherein the second counter value is based on an elapsed time from when the wireless device was last powered on or reset until the time of measurement for the measurement value, and the first counter value is based on the elapsed time from when the wireless device was last powered on or reset until the time of transmission for the transmission data. ### Claim 12 (depends on 7) The wireless system according to claim 7, wherein the controller is configured to cause the transmission/reception circuit to transmit transmission data including a plurality of measurement values measured by the sensor device and a plurality of second counter values each respectively corresponding to a time of measurement for the plurality of measurement values, the transmission data having the first count value appended thereto. ### Claim 13 (depends on 12) The wireless system according to claim 12, wherein the measurement value is received from the sensor device via Bluetooth Low Energy (BLE) communication. ### Claim 14 (depends on 7) The wireless system according to claim 7, wherein the measurement value is received from the sensor device via Bluetooth Low Energy (BLE) communication. ### Claim 15 A method of transmitting measurement data obtained from a sensor device without an internal clock, the method comprising: counting a number of clock cycles output by a clock in a wireless device to provide a counter value corresponding to the number of clock cycles since a previous point in time; transmitting a measurement counter value to the sensor device; receiving a measurement value from the sensor device in conjunction with the previously transmitted measurement counter value; and associating the measurement value and the measurement counter value with a current counter value and then transmitting the measurement value, the measurement counter value, and the associated current counter value to an external device. ### Claim 16 (depends on 15) The method according to claim 15, wherein the measurement value is received from the sensor device via Bluetooth Low Energy (BLE) communication. ### Claim 17 (depends on 15) The method according to claim 15, further comprising: receiving a request from the sensor device for the transmission of the measurement counter value to the sensor device before transmitting the measurement counter value to the sensor device. ### Claim 18 (depends on 15) The method according to claim 15, wherein the sensor device is a wearable device, and the measurement values are biological information from a person wearing the sensor device. ### Claim 19 (depends on 15) The method according to claim 15, wherein the sensor device is a sphygmomanometer. ### Claim 20 (depends on 15) The method according to claim 15, wherein a plurality of measurement values measured by the sensor device, and respectively received in conjunction with a plurality of measurement counter values, each respectively corresponding to a time of measurement for the plurality of measurement values is associated with just one current counter value before transmission to the external device.