# US 12,216,052 B2 · Turbidity calibration-correction apparatus and method for an automated calibration correction > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,216,052 B2 - Document ID: US12216052B2 - Status: Granted - Kind: B2 - Application number: 17/560,957 - Filed: 2021-12-23 - Published: 2022-04-14 - Granted: 2025-02-04 - Earliest claimed: 2019-06-28 - Assignees: ABB Schweiz AG - Applicants: ABB Schweiz AG - Inventors: Benjamin Carr - Web page: https://patentgrep.com/patent/US12216052B2 ## CPC - G01N 21/4785: {Standardising light scatter apparatus; Standards therefor} - G01N 21/49: within a body or fluid - G01N 21/53: within a flowing fluid, e.g. smoke - G01N: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing apparatus or processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q) ## Abstract A turbidity calibration-correction apparatus is configured for an automated calibration-correction of a turbidity. The calibration-correction apparatus includes: a turbidity calibration standard configured for calibration of the turbidity measurement apparatus, a memory configured to store an attribute-value including at least a correction-value that is a function of a turbidity value of the turbidity calibration standard measured by the turbidity measurement apparatus, where the calibration-correction is based on the correction-value, and a communicator configured to transfer at least an identity of the turbidity measurement apparatus and the correction-value from the turbidity measurement apparatus to the calibration-correction apparatus. ## Claims ### Claim 1 A turbidity calibration-correction apparatus configured for an automated calibration-correction of a turbidity, the turbidity calibration-correction apparatus comprising: a turbidity calibration standard configured for calibration of a turbidity measurement apparatus; a communicator configured to transfer at least an identity of the turbidity measurement apparatus and a correction-value from the turbidity measurement apparatus to the turbidity calibration-correction apparatus; and a memory configured to store an attribute-value comprising at least the correction-value that is a function of a turbidity value of the turbidity calibration standard measured by the turbidity measurement apparatus, wherein the automated calibration-correction is based on the correction-value, wherein the attribute-value is a value-pair representing a relation between the turbidity calibration standard as a first relation-value and the turbidity measurement apparatus as a second relation-value, and wherein the attribute-value further comprises at least one of: a last-calibration value, a minimum-calibration value, a maximum-calibration value, a last-calibration date, and a correction-data of the turbidity measurement apparatus. ### Claim 2 (depends on 1) The turbidity calibration-correction apparatus of claim 1, wherein the turbidity calibration standard is a solid, a gel, a fluid, and/or a glass-ceramic of a lithium, silicon, and aluminum (LAS) system, and/or an inorganic, non-porous Lithium Aluminium Silicon oxide glass-ceramic. ### Claim 3 (depends on 1) The turbidity calibration-correction apparatus of claim 1, wherein the communicator is configured to support an RFID-based protocol. ### Claim 4 (depends on 3) The turbidity calibration-correction apparatus of claim 3, wherein the RFID-based protocol comprises at least one member of a group consisting of an NFC protocol, a Bluetooth protocol, and a proprietary protocol. ### Claim 5 (depends on 1) The turbidity calibration-correction apparatus of claim 1, wherein the correction-value is stored in a data structure in the memory as the attribute-value, the data structure being a pointer to an area in the memory, and wherein the correction value includes an identity of the turbidity calibration-correction apparatus and the identity of the turbidity measurement apparatus. ### Claim 6 A turbidity measurement apparatus, comprising a communicator and configured to transfer at least an identity of the turbidity measurement apparatus and a correction-value from the turbidity measurement apparatus to a turbidity calibration-correction apparatus, wherein an attribute-value comprising at least the correction-value is a function of a turbidity value of a turbidity calibration standard measured by the turbidity measurement apparatus, wherein the attribute-value is a value-pair representing a relation between the turbidity calibration standard as a first relation-value and the turbidity measurement apparatus as a second relation-value, and wherein the attribute-value further comprises at least one of: a last-calibration value, a minimum-calibration value, a maximum-calibration value, a last-calibration date, and a correction-data of the turbidity measurement apparatus. ### Claim 7 A method for an automated calibration-correction of a turbidity of a turbidity measurement apparatus, the method comprising: measuring, by means of the turbidity measurement apparatus, a turbidity value of a calibration standard of a calibration-correction apparatus; determining an attribute-value, wherein the attribute-value comprises at least a correction-value that is a function of the measured turbidity value; storing the attribute-value in a memory of the calibration-correction apparatus; and when calibrating the turbidity measurement apparatus with the calibration standard, reading, by the calibration-correction apparatus, the attribute-value from the memory and performing the automated calibration-correction based on the attribute-value, wherein the attribute-value is a value-pair representing a relation between the turbidity calibration standard as a first relation-value and the turbidity measurement apparatus as a second relation-value, and wherein the attribute-value further comprises at least one of: a last-calibration value, a minimum-calibration value, a maximum-calibration value, a last-calibration date, and a correction-data of the turbidity measurement apparatus. ### Claim 8 (depends on 7) The method of claim 7, further comprising: before determining the combination-value, sending, by means of a communicator, an identity value of the calibration-correction apparatus from the calibration-correction apparatus to the turbidity measurement apparatus; and before storing the attribute-value, sending, by means of the communicator, the attribute-value from the turbidity measurement apparatus to the calibration-correction apparatus. ### Claim 9 (depends on 7) The method of claim 7, further comprising: before determining the combination-value, sending, by means of a communicator, an identity value of the turbidity measurement apparatus from the turbidity measurement apparatus to the calibration-correction apparatus; and before storing the attribute-value, sending, by means of the communicator, the attribute-value from the turbidity measurement apparatus to the calibration-correction apparatus. ### Claim 10 (depends on 7) The method of claim 7, further comprising: before the measuring, calibrating the measurement apparatus with a primary turbidity calibration standard. ### Claim 11 (depends on 7) A computer program product comprising non-transitory computer executable instructions that, when the program product is executed by a processor of the turbidity measurement apparatus, and/or by a processor of the turbidity calibration-correction apparatus, causes the computer, the turbidity measurement apparatus, and/or by the turbidity calibration-correction apparatus, respectively, to carry out the method according to claim 7. ### Claim 12 (depends on 11) A non-transitory computer-readable storage medium that stores the computer program according to claim 11.