Abstract: It is an object of the present invention to provide a rotary cutting tool that can divide chips at an appropriate size, suppress the incidence of edge chipping and damage attributed to chips to the cutting tool and a workpiece, extend the tool service life with regard to the machining of hard, brittle materials, and improve machining efficiency. The rotary cutting tool includes a hard coat film 3 coated onto a tip end section of a tool body 1 having a chip discharge groove 2. A rake face 6 is concavely provided in a cutting edge-side chip discharge groove formation surface 4 constituting the chip discharge groove 2 of the tool body 1, from a cutting edge 5 and along the cutting edge 5.

Abstract: It is an object of the present invention to provide a rotary cutting tool that can divide chips at an appropriate size, suppress the incidence of edge chipping and damage attributed to chips to the cutting tool and a workpiece, extend the tool service life with regard to the machining of hard, brittle materials, and improve machining efficiency. The rotary cutting tool includes a hard coat film 3 coated onto a tip end section of a tool body 1 having a chip discharge groove 2. A rake face 6 is concavely provided in a cutting edge-side chip discharge groove formation surface 4 constituting the chip discharge groove 2 of the tool body 1, from a cutting edge 5 and along the cutting edge 5.

Abstract: An object of the present invention is to provide an atrial fibrillation detection system in which: the extent of irregularity in measured pulse intervals is calculated; even in cases where an extrasystole has occurred, detection of a false positive is reduced even when the extrasystole is not excluded; and highly reliable assessment results are obtained.

Abstract: Provided is a rotary milling tool capable of finishing a milled surface to produce a smooth and glossy surface. A rotary milling tool in which a plurality of chip discharge grooves (2) are provided to the outer periphery of a tip part of a tool body (1), the plurality of chip discharge grooves (2) extending from the tool tip toward the tool base, and bottom blades (5, 6) are provided to an intersection ridge part at the intersection of a rake surface (3) of the chip discharge grooves (2) and a tip flank surface (4) of the tool body (1), each of the bottom blades (5, 6) being formed integrally with the tool body (1), wherein a convex edge (7) that is convex toward a tool-axis-direction tip is formed on at least one of the bottom blades (5, 6), and the convex edge (7) is formed by the connection of a plurality of linear edges that are substantially linear.

Abstract: The present invention provides a more practical hard-coated cutting tool having improved cutting performance during finishing so as to obtain a better finished surface. Provided is a hard-coated cutting tool including a tool body (7) coated with a hard coating (4) and having a cutting edge (3) formed on a ridge line intersecting a flank face (1) and a rake face (2). In the hard-coated cutting tool, the thickness h1 of the hard coating (4) on the flank face (1) side and the thickness h2 of the hard coating (4) on the rake face (2) side near the cutting edge (3) satisfies conditions 8 ?m?h1?30 ?m and 0?h2/h1?0.5 in a cross-section perpendicular to the cutting edge (3) in a range equal to or less than 0.3 times the tool diameter in the axial direction from the tip of the tool.

Abstract: Provided is an atrial fibrillation detection system which can reduce the burden on a test subject, with which it is possible to detect even paroxysmal atrial fibrillation, and which can be used in the home, contributing to early detection of atrial fibrillation.

Abstract: The method for determining a depression state of the present invention comprises the steps of: measuring a pulsation interval of a subject, and an acceleration or an angular velocity associated with a movement of the subject (that is hereinafter referred to as an “activity”); and determining the subject to be a depression state when at least one of the following conditions [A] and [B] is satisfied: [A] In an awaking time zone of the subject, at least one of the following formulas is calculated and satisfied; the pulsation interval×the activity<C1, HF×the activity<C2, (LF/HF)/the activity>C3; [B] In a sleeping time zone of the subject, at least one of the following formulas is calculated and satisfied: the pulsation interval/the activity<C4, HF/the activity<C5, (LF/HF)×the activity>C6.

Abstract: The present invention provides a mobile electrocardiograph (ECG) apparatus in which: there is no need to provide a monitor or other display unit to an ECG unit, allowing the apparatus to be commensurately reduced in size and weight; the cost of operation is reduced through the use of a handheld electrode unit; and a body-surface-adhering electrode can be used in only cases when low-noise tests are required, thus promoting ease of handling.

Abstract: A method for preventing dozing off, comprising the steps of: a measurement step measuring human heartbeats; a decision step (S4 to S8) generating a trigger, hereinafter referred to as a “drowsiness trigger”, for indicating occurrence of drowsiness when a state in which a time interval between adjacent heartbeats, hereinafter referred to as a “heartbeat interval”, is longer than the previous heartbeat interval consecutively occurs; and a warning step (S9) giving a warning to prevent dozing off when the drowsiness trigger is generated.

Abstract: Provided is an atrial fibrillation detection system which can reduce the burden on a test subject, with which it is possible to detect even paroxysmal atrial fibrillation, and which can be used in the home, contributing to early detection of atrial fibrillation.

Abstract: Provided is a practical biological information measuring apparatus that is compact, provides minimal inconvenience worn on the body, and has an extended battery life, the biological information measuring apparatus being capable of instantly displaying a heartbeat interval.

Abstract: Provided is a rotary milling tool capable of finishing a milled surface to produce a smooth and glossy surface. A rotary milling tool in which a plurality of chip discharge grooves (2) are provided to the outer periphery of a tip part of a tool body (1), the plurality of chip discharge grooves (2) extending from the tool tip toward the tool base, and bottom blades (5, 6) are provided to an intersection ridge part at the intersection of a rake surface (3) of the chip discharge grooves (2) and a tip flank surface (4) of the tool body (1), each of the bottom blades (5, 6) being formed integrally with the tool body (1), wherein a convex edge (7) that is convex toward a tool-axis-direction tip is formed on at least one of the bottom blades (5, 6), and the convex edge (7) is formed by the connection of a plurality of linear edges that are substantially linear.

Abstract: A method for preventing dozing off, comprising the steps of: a measurement step measuring human heartbeats; a decision step (S4 to S8) generating a trigger, hereinafter referred to as a “drowsiness trigger”, for indicating occurrence of drowsiness when a state in which a time interval between adjacent heartbeats, hereinafter referred to as a “heartbeat interval”, is longer than the previous heartbeat interval consecutively occurs; and a warning step (S9) giving a warning to prevent dozing off when the drowsiness trigger is generated.

Abstract: There is provided a diamond film for cutting-tools which has high toughness, excellent adhesiveness, high hardness, and in which tool service life is considerably improved in relation to cutting ultra-hard alloys and other very hard work materials. A diamond film for cutting-tools formed on a base material, in which at least one or more multilayered film layers [A] are included in which the layers are constituted by layering a film layer [?] having a film thickness of 1 ?m or more and 15 ?m or less and a film layer [?] having a film thickness of 1 ?m or more and 20 ?m or less so that the film layer [?] is disposed on the base material side and the film layer [?] is disposed on the surface layer side; the film thickness of the entire film body is set to 4 ?m or more and 30 ?m or less; and the film layer [?] and the film layer [?] have predetermined film compositions.

Abstract: The present invention provides a more practical hard-coated cutting tool having improved cutting performance during finishing so as to obtain a better finished surface. Provided is a hard-coated cutting tool including a tool body (7) coated with a hard coating (4) and having a cutting edge (3) formed on a ridge line intersecting a flank face (1) and a rake face (2). In the hard-coated cutting tool, the thickness h1 of the hard coating (4) on the flank face (1) side and the thickness h2 of the hard coating (4) on the rake face (2) side near the cutting edge (3) satisfies conditions 8 ?m?h1?30 ?m and 0?h2/h1?0.5 in a cross-section perpendicular to the cutting edge (3) in a range equal to or less than 0.3 times the tool diameter in the axial direction from the tip of the tool.

Abstract: To provide a rotary cutting tool in which a satisfactory cut state in which burrs and uncut portions are absent is obtained, even when counterboring is applied to a composite honeycomb member.

Abstract: There is provided a diamond film for cutting-tools which has high toughness, excellent adhesiveness, high hardness, and in which tool service life is considerably improved in relation to cutting ultra-hard alloys and other very hard work materials. A diamond film for cutting-tools formed on a base material, in which at least one or more multilayered film layers [A] are included in which the layers are constituted by layering a film layer [?] having a film thickness of 1 ?m or more and 15 ?m or less and a film layer [?] having a film thickness of 1 ?m or more and 20 ?m or less so that the film layer [?] is disposed on the base material side and the film layer [?] is disposed on the surface layer side; the film thickness of the entire film body is set to 4 ?m or more and 30 ?m or less; and the film layer [?] and the film layer [?] have predetermined film compositions.

Abstract: To provide a rotary cutting tool in which a satisfactory cut state in which burrs and uncut portions are absent is obtained, even when counterboring is applied to a composite honeycomb member.

Abstract: There is provided an exceptionally practical rotary cutting tool allowing the life of the tool to be prolonged. The rotary cutting tool has a plurality of helically shaped swarf discharge flutes (2) formed on a periphery of a tool body (1) from a leading end towards a trailing end, and a peripheral blade (4) formed on an intersecting ridgeline of a rake surface (3) of the swarf discharge flutes (2) and the peripheral surface of the tool body (1). A back taper part (B), on which an outside diameter (D1) of the peripheral blade (4) and an inside diameter (D2) of the tool body (1) gradually decrease from the leading end of the tool towards the trailing end, is provided to the leading end of the tool body (1).

Abstract: There is provided an exceptionally practical rotary cutting tool allowing the life of the tool to be prolonged. The rotary cutting tool has a plurality of helically shaped swarf discharge flutes (2) formed on a periphery of a tool body (1) from a leading end towards a trailing end, and a peripheral blade (4) formed on an intersecting ridgeline of a rake surface (3) of the swarf discharge flutes (2) and the peripheral surface of the tool body (1). A back taper part (B), on which an outside diameter (D1) of the peripheral blade (4) and an inside diameter (D2) of the tool body (1) gradually decrease from the leading end of the tool towards the trailing end, is provided to the leading end of the tool body (1).