# US 9,364,182 B2 · Pulse measurement devices for bio-signals > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,364,182 B2 - Document ID: US9364182B2 - Status: Granted - Kind: B2 - Application number: 13/846,328 - Filed: 2013-03-18 - Published: 2014-09-18 - Granted: 2016-06-14 - Earliest claimed: 2013-03-18 - Assignees: Maisense Inc. - Applicants: Maisense Inc. - Inventors: Benjamin Chiu - Web page: https://patentgrep.com/patent/US9364182B2 ## CPC - A61B 5/6842: {by marking the skin} - A61B 5/021: Measuring pressure in heart or blood vessels - A61B 5/02416: {using photoplethysmograph signals, e.g. generated by infrared radiation (A61B5/14552 takes precedence)} - A61B 5/681: {Wristwatch-type devices} - A61B 5/08: Measuring devices for evaluating the respiratory organs - A61B 2560/0276: Determining malfunction - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract A measurement device is provided for measuring a vessel pulse signal of a specific position attached by a mark. The measurement device includes a sensor, a plurality of conductive dots, a determination unit, and a measurement unit. The conductive dots are located around the sensor. The determination unit determines whether the plurality of conductive dots are connected to each other through the mark to generate a determination signal to indicate whether the sensor has been disposed in the specific position. ## Claims ### Claim 1 A measurement device for measuring a vessel pulse signal of a specific position of an object, the measurement device comprises: a sensor; a plurality of conductive dots located around the sensor and configured to be coupled to a mark, wherein the mark is configured to be attached to the specific position; and a determination unit determining whether the plurality of conductive dots are connected to each other through the mark to generate a determination signal to indicate whether the sensor has been disposed in the specific position. ### Claim 2 (depends on 1) The measurement device as claimed in claim 1, wherein the sensor is a pressure sensor. ### Claim 3 (depends on 1) The measurement device as claimed in claim 1, wherein the sensor is a photo plethysmograph. ### Claim 4 (depends on 1) The measurement device as claimed in claim 1, wherein the plurality of conductive dots defines a circle, and the plurality of conductive dots are disposed on the circumference of the circle. ### Claim 5 (depends on 1) The measurement device as claimed in claim 1, wherein the plurality of conductive dots are made of a magnetic material. ### Claim 6 (depends on 1) The measurement device as claimed in claim 1 further comprising: a measurement unit receiving the determination signal and controlling the sensor according to the determination signal, wherein when the determination unit determines that the plurality of conductive dots are connected to each other through the mark to generate the determination signal to indicate that the sensor has been disposed in the specific position, according to the determination signal, the measurement unit controls sensor to sense a vessel pulse waveform of the specific position to generate the vessel pulse signal. ### Claim 7 (depends on 6) The measurement device as claimed in claim 6, wherein the determination unit comprises: a detector, coupled to the plurality of conductive dots, detecting voltage levels at the plurality of conductive dots to generate a plurality of detection signals; and a determination circuit receiving the plurality of detection signals and determining whether the voltage levels at the plurality of conductive dots are equal to a voltage level of a reference ground according to the plurality of detection signals to generate the determination signal, wherein when the plurality of conductive dots are connected to each other through the mark, the determination circuit determines that the voltage levels at the plurality of conductive dots are equal to the voltage level of the reference ground. ### Claim 8 (depends on 7) The measurement device as claimed in claim 7, wherein the determination circuit comprises: an OR gate receiving the plurality of detection signals and generating the determination signal according to the plurality of detection signals. ### Claim 9 (depends on 6) The measurement device as claimed in claim 6, wherein when the sensor senses the vessel pulse waveform of the specific position to generate the vessel pulse signal, the measurement unit receives the vessel pulse signal and calculates cardiovascular indexes according to the vessel pulse signal. ### Claim 10 (depends on 9) The measurement device as claimed in claim 9, further comprising: a displayer, coupled to the measurement unit to receive the cardiovascular indexes, displaying the cardiovascular indexes. ### Claim 11 (depends on 10) The measurement device as claimed in claim 10, wherein the displayer is coupled to the determination unit to receive the determination signal, and wherein the displayer shows a notification according to the determination signal to indicate whether the plurality of conductive dots are connected to each other through the mark. ### Claim 12 A measurement system for measuring a vessel pulse signal of a specific position of an object comprising: a mark configured to be attached to the specific position; a sensor; a plurality of conductive dots located around the sensor; a determination unit determining whether the plurality of conductive dots are connected to each other through the mark to generate a determination signal to indicate whether the sensor has been disposed in the specific position. ### Claim 13 (depends on 12) The measurement system as claimed in claim 12, wherein the mark is conductive ink. ### Claim 14 (depends on 12) The measurement system as claimed in claim 12, wherein the mark is a metal film. ### Claim 15 (depends on 12) The measurement system as claimed in claim 12, wherein the mark has a circular shape. ### Claim 16 (depends on 15) The measurement system as claimed in claim 15, wherein the plurality of conductive dots defines a circle with a diameter of the mark with the circular shape, and the plurality of conductive dots are disposed on the circumference of the circle. ### Claim 17 (depends on 12) The measurement system as claimed in claim 12, wherein the mark has a curve shape. ### Claim 18 (depends on 12) The measurement system as claimed in claim 12 further comprising: a measurement unit receiving the determination signal and controlling the sensor according to the determination signal, wherein when the determination unit determines that the plurality of conductive dots are connected to each other through the mark to generate the determination signal to indicate that the sensor has been disposed in the specific position, according to the determination signal, the measurement unit controls the sensor to sense a vessel pulse waveform of the specific position to generate the vessel pulse signal. ### Claim 19 (depends on 18) The measurement system as claimed in claim 18, wherein the determination unit comprises: a detector, coupled to the plurality of conductive dots, detecting voltage levels at the plurality of conductive dots to generate a plurality of detection signals; and a determination circuit receiving the plurality of detection signals and determining whether the voltage levels at the plurality of conductive dots are equal to a voltage level of a reference ground according to the plurality of detection signals to generate the determination signal, wherein when the plurality of conductive dots are connected to each other through the mark, the determination circuit determines that the voltage levels at the plurality of conductive dots are equal to the voltage level of the reference ground. ### Claim 20 (depends on 18) The measurement system as claimed in claim 18, wherein when the sensor senses the vessel pulse waveform of the specific position to generate the vessel pulse signal, the measurement unit receives the vessel pulse signal and calculates cardiovascular indexes according to the vessel pulse signal.