# US 12,222,318 B1 · Mitigating impact of ion buildup on pH sensor > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,222,318 B1 - Document ID: US12222318B1 - Status: Granted - Kind: B1 - Application number: 18/613,266 - Filed: 2024-03-22 - Granted: 2025-02-11 - Earliest claimed: 2017-10-10 - Assignees: Onset Computer Corporation - Applicants: Onset Computer Corporation - Inventors: Jacob Lacourse; Frederick Sonnichsen - Web page: https://patentgrep.com/patent/US12222318B1 ## CPC - G01N 27/4167: {pH (electrodes therefor G01N27/302, G01N27/36)} - B08B 3/00: Cleaning by methods involving the use or presence of liquid or steam (B08B9/00 takes precedence) - B08B 7/02: by distortion, beating, or vibration of the surface to be cleaned {(B08B7/0007 takes precedence)} - B08B 7/028: {Using ultrasounds} - B08B 13/00: Accessories or details of general applicability for machines or apparatus for cleaning - B08B 17/02: Preventing deposition of fouling or of dust - G01N 27/28: Electrolytic cell components - G01N 27/38: Cleaning of electrodes - G01N 27/4165: {for pH meters} - 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) - B08B: CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL ## Abstract A controller for a pH probe having a first interface for controlling a pH probe and a second interface for controlling a source of vibration of the pH probe. The controller for the pH probe has a processor coordinating operation of the source of vibration via the second interface and the pH probe via the first interface. The processor is adapted to determine at least two controllable aspects of the source of vibration selected from a list consisting of amplitude, oscillation frequency, duration, period, start time, stop time, and delay between the stop time and the start time. ## Claims ### Claim 1 A controller for a pH probe comprising: a first interface for controlling a pH probe; a second interface for controlling a source of vibration of the pH probe; and a processor coordinating operation of the source of vibration via the second interface and the pH probe via the first interface, the processor adapted to determine at least two controllable aspects of the source of vibration selected from a list consisting of amplitude, oscillation frequency, duration, period, start time, stop time, and delay between the stop time and the start time. ### Claim 2 (depends on 1) The controller of claim 1, wherein coordinating operation of the source of vibration comprises adjusting a vibration amplitude. ### Claim 3 (depends on 1) The controller of claim 1, wherein coordinating operation of the source of vibration comprises controlling a vibration profile. ### Claim 4 (depends on 1) The controller of claim 1, wherein coordinating operation of the source of vibration and the pH probe comprises coordinating activating the source of vibration relative to sampling a medium by the pH probe. ### Claim 5 (depends on 1) The controller of claim 1, wherein at least one of vibration amplitude, vibration duration, delay between vibration, or sampling is adjusted by the processor using an algorithm for controlling producing vibration by the source of vibration. ### Claim 6 (depends on 1) The controller of claim 1, wherein the source of vibration comprises a piezoelectric device. ### Claim 7 (depends on 1) The controller of claim 1, wherein the source of vibration comprises an offset-weight rotary device. ### Claim 8 (depends on 1) The controller of claim 1, wherein coordinating operation of the source of vibration comprises calculating at least one of a duration, delay time, amplitude, and period for the vibrating. ### Claim 9 A method for use of a pH probe comprising: adjusting via a first interface between a controller and a pH probe, pH sampling; controlling a source of vibration of the pH probe via a second interface between the controller and the source of vibration; and coordinating operation of the source of vibration and the pH probe including determining at least two controllable aspects of the source of vibration selected from a list consisting of amplitude, oscillation frequency, duration, period, start time, stop time, and delay between the stop time and the start time. ### Claim 10 (depends on 9) The method of claim 9, wherein coordinating operation of the source of vibration comprises adjusting a vibration amplitude. ### Claim 11 (depends on 9) The method of claim 9, wherein vibrations produced the source of vibration occur synchronously with pH sampling. ### Claim 12 (depends on 9) The method of claim 9, wherein a delay between producing vibrations with the source of vibration and pH sampling is determined based on a class of a sampling medium. ### Claim 13 (depends on 12) The method of claim 12, wherein the delay between the produced vibrations and pH sampling the medium is greater than a minimum predefined pre-sample delay. ### Claim 14 (depends on 12) The method of claim 12, wherein the delay includes a configurable offset between operation of the source of vibration and pH sampling. ### Claim 15 (depends on 9) The method of claim 9, further comprising determining a vibration control profile based on a class type classification of a sampling medium. ### Claim 16 A system comprising: a first interface for controlling a pH probe; a second interface for controlling a source of vibration that impacts the pH probe; and a processor adapted to determine at least two controllable aspects of the source of vibration selected from a list consisting of amplitude, oscillation frequency, duration, period, start time, stop time, and delay between the stop time and the start time. ### Claim 17 (depends on 16) The system of claim 16, wherein vibrations produced by the source of vibration occur synchronously with sampling of the pH. ### Claim 18 (depends on 17) The system of claim 17, wherein a delay between vibrations produced by the source of vibration and pH sampling is based on a classification of a sampling medium. ### Claim 19 (depends on 16) The system of claim 16, wherein a control profile of the source of vibration is determined based on a class type classification of a sampling medium. ### Claim 20 (depends on 16) The system of claim 16, wherein the processor is further adapted to control the source of vibration based on a minimum predefined pre-sample delay.