RION CO., LTD. Patent applications |
Patent application number | Title | Published |
20160091407 | PARTICLE COUNTER FOR CHEMICAL SOLUTION - A particle counter for chemical solution in this disclosure uses a flow cell through which a chemical solution including particles flows, a laser light, and a light-receiving element array. Scattered light from the particles passing through a detection region on an optical path of the laser light in the flow cell is condensed to the light-receiving element array. The laser light in the center of the detection region has an energy density of 3×10 | 03-31-2016 |
20160064011 | REVERBERATION SUPPRESSION APPARATUS USED FOR AUDITORY DEVICE - A reverberation suppression apparatus includes: an instantaneous value calculation unit that calculates an instantaneous value/instantaneous values in an envelope of values correlating with the absolute value or the square of an input signal; a reverberation estimation unit that calculates an exponential moving average of the instantaneous value(s) as an estimated reverberation component; a gain derivation unit that derives a gain corresponding to the input signal according to the estimated reverberation component and the instantaneous value(s) when the each instantaneous value is larger than the estimated reverberation component, and derives a lower limit of the gain as the gain corresponding to the input signal when the each instantaneous value is smaller than the estimated reverberation component; a smoothing unit that performs a smoothing process on the gain; and a gain processing unit that applies the gain to amplitude adjustment of the input signal thereafter. | 03-03-2016 |
20160007126 | HEARING AID AND FEEDBACK CANCELLER - A hearing aid according to an embodiment of the present disclosure includes: a microphone configured to convert sound into an electric signal and output a first signal; a receiver configured to convert the third signal that is generated by performing predetermined hearing aid processing on a second signal, into sound; a first feedback removal unit having an adaptive filter configured to adaptively estimate a first transfer function of a sound feedback path from the receiver to the microphone; and a second feedback removal unit having a fixed filter configured to receive the third signal and use a fixed filter coefficient based on a second transfer function of a vibration feedback path from the receiver to the microphone. The second signal is generated by removing from the first signal, output signals from the adaptive filter and the fixed filter. | 01-07-2016 |
20150346077 | VIABLE PARTICLE COUNTING SYSTEM AND VIABLE PARTICLE COUNTING METHOD - This invention relates to a viable particle counting system. The system includes: a viable particle counting means that counts viable particles existing in a fluid by irradiating the fluid containing target particles to be detected with light at a predetermined wavelength, separating selectively autofluorescence or phosphorescence emitted from the target particles by the radiated light, receiving the separated autofluorescence or phosphorescence, and determining that the target particles are the viable particles according to the received autofluorescence or phosphorescence; and a pre-stage irradiation means that irradiates the fluid with ultraviolet light in advance before the viable particle counting means irradiates the fluid with the light at the predetermined wavelength. | 12-03-2015 |
20150211977 | PARTICLE COUNTING SYSTEM - A particle counting system includes a collector, a liquid input/output operation executing means, and a particle counter. The collector performs a collecting operation to introduce the surrounding air into a container storing a liquid to collect airborne particles in the liquid. The liquid input/output operation executing means executes a series of liquid input/output operations to supply an additional liquid for the collecting operation to the collector and discharge the liquid after the collecting operation from the collector. The particle counter measures the number of particles contained in the liquid discharged from the collector with the series of liquid input/output operations. | 07-30-2015 |
20150207392 | ELECTROMECHANICAL TRANSDUCER AND ELECTROACOUSTIC TRANSDUCER - An electromechanical transducer of the invention comprises a structural unit, an armature, and two elastic units. The structural unit includes magnets, a yoke and a coil. The armature has an inner portion disposed to pass through inside the structural unit and two outer portions protruding from the inner portion, and the armature constitutes a magnetic circuit with the structural unit via two regions through which components of the magnetic flux flow in reverse directions in the inner region. The elastic units give restoring forces to the outer portions in response to displacement of the armature due to magnetic forces of the magnetic circuit. Each of the elastic units includes a pair of elastic members symmetrically arranged via the armature in a direction of the displacement. Each of the elastic members has one end engaging one of the outer portions and another end engaging one of the elastic member attaching portions. | 07-23-2015 |
20150071454 | HEARING AID, LOUDSPEAKER, AND FEEDBACK CANCELLER - A hearing aid includes: a microphone; a hearing aid processing unit configured to provide a gain to a first signal based on an output signal from the microphone to generate a second signal; a receiver configured to convert the second signal into sound; an adaptive filter configured to adaptively estimate a transfer function corresponding to a pathway from an input side of the receiver to an output side of the microphone; and a feedback removal unit configured to subtract a third signal generated based on the transfer function from the output signal of the microphone to obtain a signal and output the signal as the first signal; and a control unit configured to control the gain setting unit and an adaptive speed of the adaptive filter. | 03-12-2015 |
20140335557 | APPARATUS FOR COUNTING VIABLE PARTICLES IN LIQUID IN REAL TIME, DIALYSIS FLUID MONITORING SYSTEM AND PURIFIED WATER MONITORING SYSTEM USING THE APPARATUS, AND METHOD OF COUNTING VIABLE PARTICLES IN LIQUID IN REAL TIME - A viable particle counting apparatus | 11-13-2014 |
20140285802 | LIGHT SCATTERING PARTICLE COUNTER | 09-25-2014 |
20140270276 | ELECTROMECHANICAL TRANSDUCER AND ELECTROCOUSTIC TRANSDUCER - An electromechanical transducer of the invention comprises a structural unit, an armature, and first and second elastic members. The structural unit includes at least one pair of magnets, a yoke conducting a magnetic flux generated by the magnets, and a coil supplied with an electric signal. The armature has an inner portion disposed to pass through an internal space of the structural unit and first and second outer portions protruding on both sides from the inner portion, and the armature constitutes a magnetic circuit with the structural unit via two regions through which components of the magnetic flux flow in directions opposite to each other in the inner portion. The first and second elastic members connect between the first and second outer portions of the armature and the structural unit, respectively. | 09-18-2014 |
20130085706 | SYSTEM AND METHOD FOR COUNTING AEROSOL PARTICLES IN ATMOSPHERE WITH RESPECT TO EACH PARTICLE SIZE BY APPROPRIATELY SETTING RATIO OF FLOW RATE OF SAMPLE GAS AND SHEATH GAS IN DMA - A maximum number of charges on aerosol particles which are measurement targets is decided as a natural number x equal to or larger than 2. First and second electrical mobility groups are derived based on x. The first group includes electrical mobility Zc(U) and electrical mobilities having voltage values equal to a voltage U multiplied by values from 2 to x respectively, and the second group includes electrical mobilities having respective voltage values equal to voltage U multiplied by irreducible fractions which are coprime to each other among values with regularity. A ratio of flow rate with which range corresponding to the electrical mobilities included in the first group do not interfere with one another and the range corresponding to the electrical mobilities included in the first group and range corresponding to the electrical mobilities included in the mobility group do not interfere with one another is calculated. | 04-04-2013 |
20130060509 | SYSTEM AND METHOD FOR DETECTING AEROSOL PARTICLES IN ATMOSPHERE AND COUNTING AEROSOL PARTICLES WITH RESPECT TO EACH PARTICLE SIZE - A particle size distribution measuring system | 03-07-2013 |
20120133936 | PARTICLE COUNTING METHOD - A particle counting method that can count the number of the particles precisely. The method discriminates a wave pattern of the scattered light from a normal particle (subject of the counting) and a wave pattern of the light scattered by the agitation such as a floating particle, a radiation or changes in the intensity of the light. In one embodiment, a method for counting particles is disclosed which irradiates a light to a sample gas, detects a scattered light from a particle included in the sample gas by a photoelectric conversion device, counts the number of the particles of every particle size division by the output voltage wave pattern of the photoelectric conversion device, calculate a time difference (Ta−T | 05-31-2012 |
20080298616 | IN-THE-EAR HEARING AID - In an in-the-ear hearing aid forming an inner casing space with a shell | 12-04-2008 |
20080279405 | In-The-Ear Hearing Aid - In an in-the-ear hearing aid provided with a pull-out type linear member, a housing section is provided to house a pull-out type linear member | 11-13-2008 |
20080246963 | PARTICLE COUNTING METHOD - A particle counting method is provided whereby a liquid sample is radiated by a laser light, scattered light produced by causing the laser light to hit a particle in the liquid sample is detected by a photoelectric conversion element, and a sample value which is the output of the photoelectric conversion element is sequentially compared to a threshold preset for each particle size range, thereby counting the number of particles for each particle size range, the method comprising: a timer start-up step for starting a timer of a predetermined time when the sample value becomes smaller than a threshold of a minimum particle size for the first time and for sequentially holding the maximum value of the sample value; and a timer extension step for restarting the timer to sequentially hold the maximum value of the sample value when the sample value at the time-out of the timer start-up step is larger than the threshold of the minimum particle size. | 10-09-2008 |
20080223154 | FLOW CELL, FLOW CELL MANUFACTURING METHOD AND PARTICLE MEASUREMENT INSTRUMENT - A flow cell | 09-18-2008 |