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Chemistry: Electrical And Wave Energy > Apparatus > Electrolytic > Analysis And Testing > With Significant Electrical Circuitry Or Nominal Computer Device With Significant Electrical Circuitry Or Nominal Computer DeviceWith Significant Electrical Circuitry Or Nominal Computer Device patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.07/19/07 - 20070163881 - Poteniometric sensor with status monitoring A potentiometric sensor for measuring a potentiometric variable of a medium comprises an ISFET whose gate region exhibits an ion-sensitive surface which can be exposed to the medium and which outputs an output signal that depends on the concentration of the ions at the ion-sensitive surface of the gate region. ... 04/26/07 - 20070089988 - Electronic circuit for ion sensor with body effect reduction An electronic circuit for ion sensor with the body effect reduction includes a bridge-type floating source circuit provided with an input terminal, an output terminal reflecting the change in the potential dependent on ion concentration, and an ion-sensitive field effect transistor (ISFET) wherein one terminal of the ISFET is coupled ... 01/11/07 - 20070007134 - Gas concentration measuring apparatus designed to establish quick determination of degree of activation of gas sensor A gas concentration measuring system for use in air-fuel ratio control of motor vehicle engines is provided which is designed to determine the concentrations of oxygen as a function of an air-fuel ratio of a mixture supplied to the engine through a sensor element. The sensor element is activated by ... 12/07/06 - 20060272942 - Electrochemical microfluidic sensor and method of creation of its microchannels by embossing An electrochemical sensor and method of its production comprising a microfluidic channel and an electronic sensing device on a first substrate, and a second substrate bonded to the first substrate so as to close the microfluidic channel, wherein a functional part of the electronic sensing device is exposed at the ... 08/31/06 - 20060191789 - Secure meter A compact multiparameter instrument for electrochemical measurements is described. The instrument facilitates rapid engagement and disengagement of a variety of sensor elements in such a manner as to prevent accidental mismatch of sensor elements and sensor input ports. Positive identification of specific sensors is ensured by including color marking or ... 05/18/06 - 20060102475 - Methods and apparatus for determining organic component concentrations in an electrolytic solution The present invention relates to a method and apparatus for determining organic additive concentrations in a sample electrolytic solution, preferably a copper electroplating solution, by measuring the double layer capacitance of a measuring electrode in such sample solution. Specifically, the present invention utilizes the correlation between double layer capacitance and ... 05/04/06 - 20060091007 - Gas detecting device with self-diagnosis for electrochemical gas sensor A test signal is applied in parallel with an electrochemical gas sensor for about ten seconds, while an amplifying circuit is turned off. After turning off the test signal, the amplifying circuit is turned on. If the gas sensor outputs an waveform of a predetermined shape in a predetermined period ... 04/20/06 - 20060081470 - Electrochemical sensing circuit having high dynamic range An electronic sensing circuit for an electrochemical gas sensor cell providing high dynamic range is described. The electronic circuit utilizes an amplifier with a resistive feedback element to provide high sensitivity linear sensing of low detected gas concentrations. The electronic circuit also provides the ability to source sufficient current to ... 01/19/06 - 20060011476 - Gas concentration measuring apparatus designed to ensuring accuracy of determining resistance of gas sensor element A gas concentration measuring apparatus is provided which works to measure the concentration of a gas using a gas sensor element. The apparatus also works to determine the impedance of the gas sensor element through an arithmetic circuit for use in controlling the activation or diagnosis of the gas sensor ... 09/01/05 - 20050189221 - Circuit configuration for operating a linear exhaust-gas probe A linear exhaust-gas probe has a measuring cell for measuring a gas concentration in a measuring chamber by determining a measuring-cell voltage, and a pump cell for pumping gas by way of a pump current. A circuit configuration for operating the prove has a comparator circuit for comparing the measuring-cell ... ### FreshPatents.com Support |