Seiko Epson Corporation

Yoshio Arai

Nozomu Inoue

Yujiro Nomura

Kanechika Kiyose

Kiyoshi Tsujino

Tomohide Onogi

Tomoe Aruga

Naoyuki Okumura

Ryoki Watanabe

Akira Nakajima

Kazuki Yoshida

Masayoshi Yamada

Hikaru Iwai

Masaki Hayashi

Mitsuru Miyasaka

Kenji Murakami

Mio Sasaki

Masahiro Onoda

Ippo Kimura

An ultrasonic thickness measurement device includes ultrasonic probe including eight or less ultrasonic elements each including a transmission element and a receiving element, the transmission element and the receiving element being an ultrasonic elements, and a controller configured to determine a thickness of target body tissue from tomographic image data of a body of a subject acquired based on a received signal that is received by each of the receiving elements of each of the ultrasonic elements. The controller determines the thickness from the tomographic image data based on each of the received signals that is received by each of the ultrasonic elements.

Ultrasonic thickness measurement device and ultrasonic thickness measurement

An ultrasonic device includes an ultrasonic sensor, a wiring member, and a housing, in which the wiring member has a covered wire that covers a signal line coupled to the ultrasonic sensor via an insulating layer, and a conductive member that is electrically coupled with the covered wire, the housing has a plurality of housing components having conductivity, and covers the ultrasonic sensor with the plurality of housing components, and the conductive member is electrically coupled to and held by the plurality of housing components.

Ultrasonic device and manufacturing method of ultrasonic device

An ultrasonic wave measuring device including an ultrasonic wave device and a processor. The ultrasonic wave device transmits transmission ultrasonic waves toward an object, receives reflected ultrasonic waves, and outputs reception signals. The processor is configured to: detect a transmission time; detect zero-crossing points of the reception signals; detect zero-crossing times; calculate periods of time between the transmission time and each of the zero-crossing times; compare a reference period of time with each of the calculated periods of time so as to generate difference values therebetween; determine a minimum value among the difference values; and set a corresponding zero-crossing point having the minimum value as a reception zero-crossing point. The ultrasonic wave measuring device is configured to measure a distance toward the object based on the period of time between the zero-crossing time corresponding to the reception zero-crossing point and the transmission time.

Ultrasonic wave measuring device and ultrasonic wave measuring method

An ultrasonic sensor includes a transmission unit that is disposed on a first axis which is inclined with respect to a normal line of a surface of an object, a reception unit that is provided on a side opposite to the transmission unit of the object, on the first axis, and a transmission control unit that controls drive of the transmission unit. The transmission unit includes a plurality of transmission elements that transmit ultrasonic waves, and the plurality of transmission elements are arranged in a first direction that intersects the first axis in a plane including the normal line and the first axis. The transmission control unit delay-drives the plurality of transmission elements to align a direction of the ultrasonic wave that is transmitted from the transmission unit with the first axis.

Ultrasonic sensor, electronic apparatus, and method of driving ultrasonic sensor

An ultrasonic diagnostic apparatus includes: a plurality of receiving elements that receive an ultrasonic wave, convert the ultrasonic wave into an electric signal, and output a receiving signal; a first detecting amplifier that detects noise and outputs a noise signal; a second detecting amplifier that amplifies the noise signal and outputs an amplified noise signal; a subtraction amplifier that receives the receiving signal and the amplified noise signal and subtracts the amplified noise signal from the receiving signal; and a plurality of circuit substrates that each include the second detecting amplifier and subtraction amplifier.

Ultrasonic diagnostic apparatus

An ultrasonic module includes a reception circuit adapted to receive a reception signal from an ultrasonic device, which receives an ultrasonic wave, to generate an echo signal, switching power supplies driven with a predetermined switching cycle, and adapted to supply the reception circuit with electrical power, and a phasing addition circuit adapted to perform an addition process on a first echo signal output when driving the reception circuit at a first drive timing in the switching cycle, and a second echo signal output when driving the reception circuit at a second drive timing delayed as much as a half cycle of a switching noise in the switching power supplies from the first drive timing.

Ultrasonic module, ultrasonic apparatus, and method of controlling ultrasonic module

An ultrasonic apparatus includes an ultrasonic element substrate that includes an ultrasonic element array transmitting an ultrasonic wave in a first direction, and a first conductive film provided on the first direction side of the ultrasonic element array, a casing portion that has a conductive member provided to surround the ultrasonic element substrate on a side intersecting the first direction of the ultrasonic element substrate, and a support substrate that is provided on an opposite side to the first direction of the ultrasonic element substrate, supports the ultrasonic element substrate, and has conductivity.

Ultrasonic apparatus

An ultrasonic measurement apparatus includes: a first phasing addition circuit that receives electric signals output from a plurality of reception ultrasonic elements, shifts the plurality of electric signals in a time axis direction to combine the plurality of electric signals, and outputs a composite signal; a second electro-optical conversion unit and a second light emitting unit that receive the composite signal, convert the composite signal into an optical signal, and output the optical signal; an optical cable through which the optical signal is transmitted; and a second light receiving unit and a second photoelectric conversion unit that receive the optical signal and converts the optical signal into an electric signal. The second light emitting unit outputs the optical signal after the first phasing addition circuit outputs the composite signal.

Ultrasonic measurement apparatus and ultrasonic probe

A display device includes an illumination unit that delivers a first light, a second light and a third light. The display also includes a driving circuit that supplies a pixel with a first data signal for displaying a first image by illuminating the first light, the driving circuit supplying the pixel with a second data signal for displaying a second image by illuminating the second light, the driving circuit supplying the pixel with a third data signal for displaying a third image by illuminating the third light.

Display device, method for driving display device, and electronic apparatus

An image forming device includes: an exposure head that includes a light emitting element and a light emission controller that causes the light emitting element to emit light on the basis of a control signal; a photoreceptor that is exposed to the light emitted by the light emitting element included in the exposure head so that a latent image is formed on the photoreceptor; a correcting section that corrects the control signal on the basis of the spectral sensitivity of the photoreceptor to a spectral distribution of the light emitting element; and a developing section that develops the latent image formed on the photoreceptor.

Image forming device and image forming method

Provided is a line head including: a light emitting device array in which N (N is an integer of 2 or more) light emitting device groups including a plurality of light emitting devices is arranged; an output unit which sequentially outputs driving signals for driving the light emitting devices of the light emitting device groups to the light emitting device groups; and a delay unit which delays input timings when the driving signals output from the output unit are input to the light emitting devices, wherein the delay unit delays the input timings of the 1 to (N&#x2212;1)th driving signals output from the output unit to the input timings of the Nth driving signals output from the output unit, and allows the light emitting devices of the different light emitting device groups simultaneously to emit light.

Line head, image forming apparatus, image forming method

A display device includes a display body in which a plurality of unit display areas that display images having a parallax therebetween so as to be viewed stereoscopically is arranged and a drive circuit that sequentially displays single-color images of a plurality of color components which constitute a first image and a second image having a parallax therebetween for each one or more of unit display areas among the plurality of unit display areas.

Display device, method of driving display device, and electronic apparatus

An exposure head includes a light emitting segment that emits light; an electrical load that is electrically connected to a circuit in which a current to be supplied to the light emitting segment flows; and a current supply controller that supplies a first current to the light emitting segment to cause the light emitting segment to emit light and supplies a second current to the electrical load during the time when the current supply controller blocks the supply of the first current to the light emitting segment.

Exposure head, image forming apparatus, and image forming method

A magnetic head supporting mechanism supports first and second magnetic heads in relation to a flexible magnetic disk in a manner such that the heads move in a generally perpendicular direction to the plane of the flexible disk. The motion of the heads is constrained by the spring rate of the supporting plates in the generally perpendicular direction to the plane of the flexible disk and the warping of the plates is further constrained by the torsional rigidities of the plates. The spring rate and the torsional rigidities of the supporting plates are set within preferred ranges.

Growing community of inventors

Shiojiri, Japan

Yoshio Arai