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393 results about "Potential change" patented technology

A potential change order (PCO) can be an item you expect or anticipate might result in extra work, or additional costs. A PCO can also result from owner directives, bulletins, clarifications or changes to the original plans.

Cell potential measurement apparatus having a plurality of microelectrodes

A cell potential measurement apparatus, which uses a planar electrode enabling a multi-point simultaneous measurement of potential change arising from cell activities, is provided which can conduct measurements accurately and efficiently as well as can improve convenience of arranging measurement results. According to the configuration of the cell potential measurement apparatus of this invention, it includes an integrated cell holding instrument 1, which includes a planar electrode provided with a plurality of microelectrodes arranged in a matrix form on the surface of a substrate, a cell holding part for placing cells thereon, drawer patterns from the microelectrodes, and electric contact points for outside connections; an optical observation means 20 for optical observations of cells; a stimulation signal supply means 30 to be connected to the cell holding instrument for providing electric stimulation to the cells; and a signal processing means 30 to be connected to the cell holding instrument for processing an output signal arising from electric physiological activities of the cells. It is preferable that a cell culturing means 40 is also provided for maintaining a culture atmosphere of the cells placed on the integrated cell holding instrument.
Owner:PANASONIC CORP

Wearable brain function regulation and control system

The invention provides a wearable brain function regulation and control system comprising a multichannel EEG record electrode, a DC electrical stimulation electrode, a data acquisition and control module, a wireless communication module, a head wearable supporting device, a cloud platform database and a mobile terminal. The multichannel EEG record electrode acquires potential change signals from the scalp. The DC electrical stimulation electrode stimulates the scalp. The data acquisition and control module is connected with the multichannel EEG record electrode and the DC electrical stimulation electrode and generates user physiological state data according to the potential change signals and outputs the user physiological state data to the cloud platform database through the wireless communication module. A simulation instruction transmitted by the mobile terminal is received through the wireless communication module, and stimulation current is outputted to the DC electrical stimulation electrode according to the stimulation instruction. The cloud platform database stores the potential change signals and the user physiological state data. The mobile terminal analyzes, stores and displays the user physiological state data and outputs the stimulation instruction. The regulation and control system is convenient to carry and can perform accurate regulation and control on the active state of the brain.
Owner:SHENZHEN INST OF ADVANCED TECH CHINESE ACAD OF SCI
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