Wisconsin Patent of the Month – April 2023
Matrix Product Development Inc., a leading innovator in temperature measurement systems, has patented a new wireless temperature-measurement system that addresses many of the challenges associated with measuring temperatures in high-temperature environments, particularly in cooking applications.
Matrix’s invention, which features multiple temperature probes and a probe-charging station, is a wireless system that uses energy-storage capacitors to supply electrical energy to the probes. The energy-storage capacitors charge before the probes are used to measure temperature. The probes have circuitry to periodically measure and transmit temperature values, and the system includes a reader to receive the temperature values, which can be stored in a programmable computer-based device.
The system is designed to withstand high temperatures and harsh conditions encountered in cooking applications, including commercial rotisserie ovens, grills, sous vide appliances, and other commercial cooking equipment. The probes are designed to keep the electronics and energy source at a temperature below 212°F, the boiling point of water, by housing them in the temperature probe tip that is inserted into the food product.
One of the main benefits of the new system is that it eliminates the need for a lithium-ion battery, which outgases when exposed to temperatures greater than 400°F. This feature prevents the release of toxic gasses into the cooking environment if the probe falls out of the food product.
The system is highly adaptable and can be used in a variety of cooking applications. The ability to transfer data to cloud-hosted servers and connect to smartphones ensures any user can control the system remotely, adjusting temperature and airflow to any grill.
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