Matsudo, Japan
Matsudo, Japan

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Patent
Seiko Instruments Inc. and University of Tokyo | Date: 2017-01-18

The present invention relates to a pressure sensor (1) which detects variation in pressures, the pressure sensor including a cantilever (4) which is bent according to a pressure difference between the inside and the outside of a cavity in a sensor main body, and an intra-lever gap (21) which is formed on a proximal end portion (4a) of the cantilever. The proximal end portion is partitioned into a first support portion (22) and a second support portion (23) by an intra-lever gap in a second direction (L2) orthogonal to a first direction (L1) in which the proximal end portion and a distal end portion (4b) are connected to each other in plan view. A doped layer (24) which is provided on a portion of the first and second support portions forms a first displacement detection portion (25) and a second displacement detection portion (26). Lengths of the first and second displacement detection portions are shorter than those of the first and second supports along the second direction.


Patent
Seiko Instruments Inc. and University of Tokyo | Date: 2017-01-18

The present invention provides a pressure sensor (1) which detects variation in pressure, the pressure sensor including a cantilever (4) which bends according to a pressure difference between the inside and the outside of a cavity in a sensor main body, and a first gap (21), a second gap (22), and a third gap (23) which are formed on a proximal end portion (4a) of the cantilever. The first to third gaps electrically partition the proximal end portion of the cantilever into a first support portion (24), a second support portion (25), a first displacement detection portion (26), and a second displacement portion (27) in a second direction (X2) orthogonal to a first direction (X1) in which the proximal end portion and a distal end portion (4b) of the cantilever are connected to each other in plan view. The first and second displacement detection portions detect displacement according to the bending of the cantilever between the first and second support portion.


Patent
Seiko Instruments Inc. | Date: 2016-11-08

A thermal printer includes: a housing having a roll sheet receiving portion; a thermal head printing on a recording paper drawn out from the roll sheet; a platen roller feeding the recording paper and held in abutment against the thermal head; a delivery slot through which the recording paper having been subjected to printing by the thermal head is delivered to an outside of the housing, the delivery slot being formed in the housing; a retaining portion for retaining liquid having entered the housing in an assumed carriage posture assumed as a posture during carriage, the retaining portion being formed below the delivery slot in a gravitational direction; and a flow path for guiding the liquid having entered the housing to the retaining portion.


Patent
Seiko Instruments Inc. | Date: 2017-05-10

A thermal printer (1) includes: a housing (2) having a roll sheet receiving portion (21); a thermal head (31) printing on the recording paper (P) drawn out from a roll sheet (R); a platen roller (36) feeding the recording paper (P) and held in abutment against the thermal head (31) ; a delivery slot (24) through which the recording paper (P) having been subjected to printing by the thermal head (31) is delivered to an outside of the housing (2), the delivery slot (24) being formed in the housing (2); a retaining portion (61, 71) for retaining liquid having entered the housing (2) in an assumed carriage posture assumed as a posture during carriage, the retaining portion (61, 71) being formed below the delivery slot (24) in a gravitational direction; and a flow path (80) for guiding the liquid having entered the housing (2) to the retaining portion (61, 71).


A stepping motor includes a rotor that is used in rotating an indicating hand, and a stator that configures a magnetic path, that is made of an alloy containing Fe, Ni, and Cr, and in which a Cr-diffusion region whose Cr-concentration is 14 mass % or greater is disposed in a portion whose cross-sectional area in the magnetic path is smaller than a cross-sectional area of other portions.


Patent
Seiko Instruments Inc. | Date: 2017-05-03

An arithmetic processing unit (30) included in a pressure change measuring apparatus (1) includes: a differential pressure calculation unit configured to obtain a pressure difference between an inner pressure of a cavity (10) and a pressure to be measured based on an output signal of a differential pressure measuring cantilever (4); a pressure-to-be-measured calculating unit configured to calculate the pressure to be measured based on a set inner pressure of the cavity (10) and the differential pressure calculated by the differential pressure calculation unit; a flow rate calculating unit configured to calculate a flowing quantity of a pressure transmission medium flowing into and out of the cavity (10) for every unit of a predetermined time period based on the differential pressure calculated by the differential pressure calculation unit; and an inner pressure updating unit configured to calculate the inner pressure of the cavity (10) after the predetermined time period based on the flowing quantity calculated by the flow rate calculating unit and a volume of the cavity (10), and to update, to the calculated inner pressure, a set value of the inner pressure of the cavity (10) to be used by the pressure-to-be-measured calculating unit.


Patent
Seiko Instruments Inc. | Date: 2016-11-17

A printing mechanism has: a head mechanism including a printing head configured to print on a recording paper; a platen mechanism including a platen roller configured to nip the recording paper with the printing head to feed the recording paper; a fixed blade arranged in one mechanism of the head mechanism and the platen mechanism; and a movable blade arranged in another mechanism of the head mechanism and the platen mechanism in a slidable manner and configured to cut the recording paper with the fixed blade, the another mechanism comprising: a movable blade guide wall arranged upstream of the movable blade in a paper path direction of the recording paper; a first rib protruding from the movable blade guide wall to downstream of the paper path direction; and a second rib formed at a position on the movable blade guide wall, which is separated from the fixed blade with respect to the first rib in a movement direction of the movable blade.


Patent
Seiko Instruments Inc. | Date: 2017-05-24

A printing mechanism (1) has: a head mechanism (3) including a printing head (13) configured to print on a recording paper (P); a platen mechanism (2) including a platen roller (21) configured to nip the recording paper (P) with the printing head (13) to feed the recording paper (P); a fixed blade (14) arranged in one mechanism of the head mechanism (3) and the platen mechanism (2); and a movable blade (22) arranged in another mechanism of the head mechanism (3) and the platen mechanism (2) in a slidable manner and configured to cut the recording paper (P) with the fixed blade (14), the another mechanism (2) comprising: a movable blade guide wall (31) arranged upstream of the movable blade (22) in a paper path direction of the recording paper (P); a first rib (53) protruding from the movable blade guide wall (31) to downstream of the paper path direction; and a second rib (54) formed at a position on the movable blade guide wall (31), which is separated from the fixed blade (14) with respect to the first rib (53) in a movement direction of the movable blade (22).


Patent
Seiko Instruments Inc. | Date: 2017-06-28

A thermal printer (1) includes a thermal head (31); a platen roller (36) arranged so as to be opposed to the thermal head (31); a platen frame (35) configured to support the platen roller (36); and a housing (2) for receiving the thermal head (31), the platen roller (36), and the platen frame (35), characterised in that the platen frame (35) has: an opposing surface (51) formed below the platen roller (36) in a gravitational direction in an assumed carriage posture, the opposing surface (51) being opposed to the platen roller (36); and a liquid absorbing sheet (60) arranged on the opposing surface (51).


Patent
Seiko Instruments Inc. | Date: 2017-01-05

A battery includes: an electrode body; and an external body which is formed by overlapping a first sheet and a second sheet, and in which the electrode body is accommodated. The external body includes an accommodation portion which is formed in the first sheet, and which accommodates the electrode body therein, and a circumferential edge portion in which the first sheet and the second sheet overlap each other around the accommodation portion. The inside of the accommodation portion is sealed in a state where the first sheet and the second sheet are welded to each other in the circumferential edge portion.

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