Fujimi, Japan
Fujimi, Japan

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An ultrasonic transducer element chip includes a substrate, a plurality of ultrasonic transducer elements and a plate-shaped member. The substrate includes a partition wall section defining a plurality of openings arranged in an array pattern. A wall thickness of the partition wall section is smaller than a wall height of partition wall section. Each of the ultrasonic transducer elements is provided in each of the openings. The plate-shaped member is fixed on a surface of the substrate opposite to a surface of the substrate on which the ultrasonic transducer elements are provided. The plate-shaped member covers at least one of the openings in a plan view seen along a thickness direction of the substrate.


Provided is a pretreatment agent for ink jet textile printing that can provide printed matters on fabric with high color-developing properties and less bleeding. The pretreatment agent includes at least water and (A) a multivalent metal ion and polymer fine particles, (B) a cationic polymer and polymer fine particles, or (C) cationic polymer fine particles.


Patent
Seiko Epson Corporation | Date: 2017-05-17

An image reading apparatus includes a transport section that can transport original documents along a transport path, a reading section configured to read images of the original documents transported by the transport section, an output controller configured to output data of the original documents read by the reading section, a multi-sheet feed detection sensor configured to detect a multi-sheet feed of the original documents transported by the transport section, and an instruction section configured to issue an instruction to disable multi-sheet feed detection by the multi-sheet feed detection section. After a job for sequentially transporting a plurality of original documents to perform a reading operation for reading images is interrupted by multi-sheet feed detection performed by the multi-sheet feed detection sensor, and if the job is restarted in a disabling mode in which the multi-sheet detection is disabled in accordance with an instruction from the instruction section, the output controller outputs first data that is read in the reading operation before the interruption and second data that is read in the reading operation after the restart as a data stream that can be saved as a single file.


Patent
Seiko Epson Corporation | Date: 2017-05-17

An ink composition contains a solid component, a hydrophobic solvent A, a hydrophilic solvent B, and an amphiphilic solvent C, wherein the solvent C is an alcohol having 8 or more carbon atoms.


Patent
Seiko Epson Corporation | Date: 2017-05-17

A printing apparatus includes a base unit (17) that can move in a moving direction (A) and a medium support unit (16) that supports a medium on which printing will be performed and moves in the moving direction (A) along with the base unit (17) by being attached to the base unit (17). When a position of the medium support unit (16) with respect to the base unit (17) during printing is defined as a base position, the medium support unit (16) is slidable with respect to the base unit (17) from the base position in the moving direction (A). By employing such a configuration, it is possible to suppress deterioration of work efficiency when setting a medium.


Patent
Seiko Epson Corporation | Date: 2017-02-01

A biological information detecting device includes: a first light receiving portion and a second light receiving portion which receive light from a subject; a processing portion; and at least one light emitting portion (light emitting portion or the like) which emits light to the subject. When a distance between the light emitting portion and the first light receiving portion is set to L1 and a distance between the light emitting portion and the second light receiving portion is set to L2, L1 (FR)La prsente invention concerne un dispositif de dtection dinformations biologiques qui comprend : une premire partie de rception de lumire et une seconde partie de rception de lumire qui reoivent la lumire provenant dun sujet; une partie de traitement; et au moins une partie dmission de lumire (partie dmission de lumire ou quivalents) qui met de la lumire vers le sujet. Lorsquune distance entre la partie dmission de lumire et la premire partie de rception de lumire est rgle L1 et une distance entre la partie dmission de lumire et la seconde partie de rception de lumire est fixe L2, L1


Patent
Seiko Epson Corporation | Date: 2017-05-17

An ultrasound sensor includes : a substrate which has at least one opening portion 18; a diaphragm 50 which is provided on the substrate so as to block the opening portion 18; a plurality of first electrodes 14 which is provided so as to be opposite to the opening portion 18 of the diaphragm 50 and to be arranged in a Y-direction, and which extends in a X-direction orthogonal to the Y-direction; a plurality of second electrodes 16 which is provided so as to be opposite to the opening portion 18 of the diaphragm 50 and to be arranged in the X-direction, and which extends in the Y-direction; and a plurality of piezoelectric layers 15 which is provided between the first electrode 14 and the second electrode 16 in at least a portion in which the first electrode 14 and the second electrode 16 intersect with each other, in which, in a Z-direction orthogonal to the X-direction and the Y-direction, a portion in which the first electrode 14, the piezoelectric layer 15 and the second electrode 16 are overlapped is referred to as an active portion, and a range to the extent that the diaphragm 50 is oscillatable by driving the active portion is referred to as a movable portion, when a unit including one movable portion and the active portion which is provided within the one movable portion is referred to as one ultrasound element in plan view, two or more types of ultrasound elements in which a dimension of the active portion with respect to a dimension of the movable portion is different from each other in plan view are provided.


Patent
Seiko Epson Corporation | Date: 2017-05-24

An atomic oscillator includes a gas cell having alkali metal atoms sealed therein; a light source that irradiates the gas cell with light; and a light detecting unit that detects the quantity of light transmitted through the gas cell. The light source includes an optical oscillation layer having a first reflective layer, an active layer, and a second reflective layer laminated therein in this order, an electrical field absorption layer having a first semiconductor layer, a quantum well layer, and a second semiconductor layer laminated therein in this order, and a heat diffusion layer that is disposed between the optical oscillation layer and the electrical field absorption layer and has a higher thermal conductivity than that of the second reflective layer.


Patent
Seiko Epson Corporation | Date: 2017-05-24

A light source (41) which has a housing (414) accommodating a light source lamp (411) and having an exhaust port (4151), a duct (7), and a fan (64) are provided. The duct (7) has an inlet (711) facing the exhaust port (4151), a branching part (716) which branches air from the inlet (711), a duct part (717) extending in a first direction (A1) orthogonal to an opening plane of the exhaust port (4151), and a duct part (718) extending in a second direction (A2) intersecting with the first direction (A1). The fan (64) is arranged in a position for sucking the air circulating through the duct part (718). The duct part (717) has a plurality of sidewall parts (7171 to 7174), an opening (7176), and a mesh (7177).


Patent
Seiko Epson Corporation | Date: 2017-02-08

A liquid ejection device includes an ejection tube, a gripping tube, a liquid chamber, a connection channel, and a pulsed-flow generating section. The ejection tube is a tube for ejecting liquid. The gripping section is an instrument attached to the ejection tube and gripped by a user. The liquid chamber is provided on the outside of the gripping section. The connection channel connects the liquid chamber and the ejection tube. The pulsed-flow generating section is provided on the outside of the gripping section and generates a pulsed flow in the liquid in the liquid chamber.

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