Yokogawa Meters & Instruments Corporation Patent applications |
Patent application number | Title | Published |
20150115875 | CHARGING CIRCUIT - A charging circuit for charging a rechargeable battery, the charging circuit includes: a switching element connected to a power supply; a pulse width controller configured to control open and close of the switching element; and a MOSFET arranged between the switching element and the rechargeable battery. The charging circuit may further include a thermistor connected between a gate and a source of the MOSFET. | 04-30-2015 |
20150057977 | OPTICAL MEASURING APPARATUS AND OPTICAL MEASURING METHOD - An optical measuring apparatus includes a measuring device configured to measure, by a shot unit, data in a predetermined wavelength range, a controller configured to analyze the measured data, a storage storing the measured data of a plurality of shots and the analysis results of the measured data, and a display configured to display the analysis results and waveform data based on the measured data on a single display screen. | 02-26-2015 |
20140125984 | OPTICAL WAVELENGTH METER - An optical wavelength meter includes: an interferometer; a reference optical source unit with a laser configured to oscillate in a multi-longitudinal mode; and a signal processor configured to calculate a wavelength of a input beam with reference to interference fringe information of reference beam and interference fringe information of the input beam obtained from the interferometer. | 05-08-2014 |