Patent application number | Description | Published |
20140088396 | PULSE WAVE SENSOR DEVICE - A light emitter and a light receiver are provided at a side surface of a lever. When a user grips the lever with his hand, the light emitter and the light receiver are positioned close to bases of the middle finger, a ring finger, and a little finger, as a measurement portion of a palm. A blood-flow blockage reducing component protrudes to contact a portion between the index finger and the middle finger, and a thumb, as a contact portion of the palm. | 03-27-2014 |
20140106816 | MOBILE APPARATUS - A smart phone includes photoelectric pulse wave sensing units that obtain photoelectric pulse wave signals from hands holding the smart phone, a touch screen on which a plurality of operation switches that accept operations performed by thumbs are displayed, and a switch arrangement changing unit that changes the arrangement of the displayed plurality of operation switches. The switch arrangement changing unit, when photoelectric pulse wave signals are obtained by the photoelectric pulse wave sensing units, changes the arrangement of the operation switches displayed on the touch screen in such a manner that the operation switches are arranged along a circular arc of a virtual circle whose center is located at a carpometacarpal joint of the thumb of a right hand performing operations and whose radius is the distance from the carpometacarpal joint to the tip of the thumb. | 04-17-2014 |
20140151586 | BIOSENSOR - A biosensor includes light emitting elements and a light receiving element disposed on a principal surface of a wiring board; a light shielding portion disposed between a light-emitting-element sealing portion and a light-receiving-element sealing portion; a base medium having light transmitting properties, disposed in parallel with the wiring board with the light shielding portion therebetween; an adhesion layer having light transmitting properties, configured to bond the base medium with the light-emitting-element sealing portion, the light-receiving-element sealing portion, and the light shielding portion; and a first electrocardiograph electrode attached to a principal surface of the base medium. The refractive index of the base medium is set to be higher than that of the adhesion layer, and a surface of the first electrocardiograph electrode which is adjacent to the base medium is roughened so that stray light passing through the base medium will be scattered. | 06-05-2014 |
20140163342 | BIOSENSOR - A biosensor including light emitting elements and a light receiving element disposed on a principal surface of a wiring board; a light shielding portion disposed between a light-emitting-element sealing portion and a light-receiving-element sealing portion; a base medium having light transmitting properties, disposed in parallel with the wiring board with the light shielding portion therebetween; an adhesion layer having light transmitting properties that bonds the base medium with the light-emitting-element sealing portion, the light-receiving-element sealing portion, and the light shielding portion; and a first electrocardiograph electrode attached to a principal surface of the base medium. Both end portions of the adhesion layer and both end portions of the base medium are disposed such that they overlap neither of the light-receiving-element sealing portion nor the light-emitting-element sealing portion when viewed from a direction normal to the principal surface of the wiring board. | 06-12-2014 |
20140249763 | MOBILE DEVICE - A mobile device including a biosensor for obtaining biological signals in which biological information can be obtained stably while the mobile device is being held with a hand and is used, without providing a sensor specially used for detecting body motion generated by operating the mobile device. | 09-04-2014 |
20150038808 | ELECTROCARDIOGRAPHIC SIGNAL MEASUREMENT APPARATUS AND ELECTROCARDIOGRAPHIC SIGNAL MEASUREMENT METHOD - An electrocardiographic signal measurement apparatus that easily attaches or detaches and can stably measure electrocardiographic signals without obstructing motions of a user. | 02-05-2015 |
20150366473 | PULSE WAVE PROPAGATION TIME MEASUREMENT DEVICE - A pulse wave propagation time measurement device including a first signal processor section that filters an electrocardiographic signal detected by an electrocardiographic sensor, a second signal processor section that filters a photoelectric pulse wave signal detected by a photoelectric pulse wave sensor, peak detectors respectively that detect peaks of the electrocardiographic signal and the photoelectric pulse wave signal, delay time obtaining sections respectively that obtain a delay time of the electrocardiographic signal and of the photoelectric pulse wave signal, peak correctors respectively that correct the peaks of the electrocardiographic signal and the photoelectric pulse wave signal based on the delay time of the electrocardiographic signal and the photoelectric pulse wave signal, and a pulse wave propagation time measurement section that obtains a pulse wave propagation time from a time difference between the corrected peaks of the electrocardiographic signal and the photoelectric pulse wave signal. | 12-24-2015 |
20160106320 | BIOLOGICAL STATE ELIMINATING APPARATUS AND METHOD - A biological state estimating apparatus includes a pair of electrocardiographic electrodes, a photoplethysmographic sensor, and a controller that includes a peak detecting section, a pulse transmission time measuring section, a correlation information storing section, and a biological state estimating section. The electrocardiographic electrodes detect an electrocardiogram signal and the photoplethysmographic sensor, which has light-emitting and light-receiving elements, detects a photoplethysmogram signal. The controller detects peaks of the electrocardiogram and photoplethysmogram signals and determines a pulse transmission time from the time difference between the respective peaks of the photoplethysmogram and the electrocardiogram signal. Memory stores information determined in advance based on the relationship between pulse transmission time and biological state. The controller further estimates the biological state of the user on the basis of the pulse transmission time, and the correlation information stored in the correlation information storing section. | 04-21-2016 |