# US 10,480,967 B2 · Signal processing device and signal processing method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,480,967 B2 - Document ID: US10480967B2 - Status: Granted - Kind: B2 - Application number: 15/526,014 - Filed: 2015-11-05 - Published: 2017-11-09 - Granted: 2019-11-19 - Earliest claimed: 2014-11-14 - Assignees: Sharp Kabushiki Kaisha - Applicants: Sharp Kabushiki Kaisha - Inventors: Yoshihisa Adachi; Tetsuya Okumura; Tetsuya Hayashi; Shigemi Maeda - Web page: https://patentgrep.com/patent/US10480967B2 ## CPC - G01D 21/00: Measuring or testing not otherwise provided for - G01K 7/00: Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat (giving results other than momentary value of temperature G01K3/00) {; Power supply therefor, e.g. using thermoelectric elements} - G01K 7/42: Circuits effecting compensation of thermal inertia; Circuits for predicting the stationary value of a temperature - G01D: MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR - G01K: MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR (radiation pyrometry G01J5/00) ## Abstract A signal processing device (100) includes a prediction circuit (20) configured to generate Vb_T2 corresponding to an output signal to be obtained at T2 after T1, in accordance with Va_T1 obtained at the time T1, in a transition response period before Tr or Td elapses, where Tr denotes a time period during which an output signal Va(T) of a sensor (80) changes from a converged value Vc1 corresponding to a parameter P1 representing a certain property of an object to be measured to a converged value Vc2 corresponding to P2, and Td denotes a time period during which Va(T) changes from Vc2 to Vc1. The prediction circuit generates the predicted value so that TrE|1 −TdE/TrE| are satisfied, where TrE denotes a time period during which the predicted value becomes a value corresponding to Vc2, and TdE denotes a time period during which the predicted value becomes a value corresponding to Vc1. ## Claims ### Claim 1 A signal processing device, comprising: an input interface configured to receive an output signal Va(T) from a sensor; and a prediction unit configured to generate, in accordance with a value Va_T1 of an output signal obtained at a time T1, in a transition response period before a response time period Tr or Td elapses, a predicted value Vb_T2 corresponding to a value of an output signal to be obtained at a time T2 after the time T1, where Tr denotes a response time period during which the value of the output signal Va(T) changes from a first converged value Vc1 corresponding to a first value P1 of a parameter representing a certain property of an object to be measured to a second converged value Vc2 corresponding to a second value P2 different from the first value P1 of a parameter representing the certain property of the object to be measured, and Td denotes a response time period during which the value of the output signal Va(T) changes from the second converged value Vc2 to the first converged value Vc1, wherein the prediction unit generates the predicted value so that TrE|1−TdE/TrE| are satisfied, where TrE denotes a response time period during which the predicted value becomes a value corresponding to the second converged value Vc2, and TdE denotes a response time period during which the predicted value becomes a value corresponding to the first converged value Vc1. ### Claim 2 (depends on 1) The signal processing device according to claim 1, wherein the prediction unit generates, when a value of the output signal Va(T) is the first converged value Vc1 for a time period longer than the response time period Tr or Td, a predicted value closer to the first converged value Vc1, and generates, when the value is the second converged value Vc2 for a time period longer than the response time period Tr or Td, a predicted value closer to the second converged value Vc2. ### Claim 3 (depends on 1) The signal processing device according to claim 1, wherein the prediction unit includes a prediction unit corresponding to each of a rising and a falling of the output signal Va(T). ### Claim 4 (depends on 1) The signal processing device according to claim 1, wherein the prediction unit includes a memory configured to store therein a parameter corresponding to each of a rising and a falling of the output signal Va(T). ### Claim 5 (depends on 1) The signal processing device according to claim 1, further comprising: an information generation unit configured to generate information on the basis of the predicted value generated by the prediction unit. ### Claim 6 (depends on 5) The signal processing device according to claim 5, further comprising: a display device configured to display the information. ### Claim 7 (depends on 1) The signal processing device according to claim 1, comprising: a client terminal and a server device connected to each other via a network, wherein the client terminal includes at least the input interface and a communication unit. ### Claim 8 (depends on 1) The signal processing device according to claim 1, further comprising the sensor. ### Claim 9 A signal processing method, comprising: receiving an output signal Va(T)from a sensor; and generating, in accordance with a value Va_T1 of an output signal obtained at a time T1, in a transition response period before a response time period Tr or Td elapses, a predicted value Vb_T2 corresponding to a value of an output signal to be obtained at a time T2 after the time T1, where Tr denotes a response time period during which the value of the output signal Va(T) changes from a first converged value Vc1 corresponding to a first value P1 of a parameter representing a certain property of an object to be measured to a second converged value Vc2 corresponding to a second value P2 different from the first value P1 of the parameter representing the certain property of the object to be measured, and Td denotes a response time period during which the value of the output signal Va(T) changes from the second converged value Vc2 to the first converged value Vc1, the predicted value is generated so that TrE|1−TdE/TrE| are satisfied, where TrE denotes a response time period during which the predicted value becomes a value corresponding to the second converged value Vc2, and TdE denotes a response time period during which the predicted value becomes a value corresponding to the first converged value Vc1. ### Claim 10 (depends on 2) The signal processing device according to claim 2, wherein the prediction unit includes a prediction unit corresponding to each of a rising and a failing of the output signal Va(T). ### Claim 11 (depends on 2) The signal processing device according to claim 2, wherein the prediction unit includes a memory configured to store therein a parameter corresponding to each of a rising and a falling of the output signal Va(T).