Abstract: A phase shifter and a wireless communication device are provided. The phase shifter includes a first substrate, a radio frequency transmission line arranged on a side of the first substrate, and a bias line connected to the radio frequency transmission line. The bias line includes a first wire and a second wire. A sheet resistance of the second wire is greater than a sheet resistance of the radio frequency transmission line. The first wire and the radio frequency transmission line are connected and form an integrated structure. A line width of the first wire is less than a line width of the radio frequency transmission line. The second wire and the first wire form a lapping region in an extension direction of the first wire. In the lapping region, the second wire is arranged on a side of the first wire away from the first substrate.

Abstract: A display panel, a driving method thereof, and a display apparatus. The display panel includes a shift register circuit including shift units. The shift unit includes a first output circuit, a control circuit, and a first node. In a first mode, a display region includes a first sub-region refreshed with a first frequency and a second sub-region refreshed with a second frequency. The shift register circuit includes a first unit group and a second unit group. In some frames, the first and second unit groups output an active scanning level, and in some frames, the control circuit in a first shift unit supplies a non-enabling level to the first node at least after the first unit group outputs the active scanning level. The first shift unit is located in the second unit group and is adjacent to the first unit group.

Abstract: A sensor interface circuit includes: an RF switch having a control node; a bias circuit electrically connected to the control node and applying, to the control node, a voltage at a first level or a second level corresponding to a linear region of a reflection characteristic; a first variable oscillation circuit electrically connectable to a first sensor; a second variable oscillation circuit electrically connectable to a second sensor; and a difference circuit electrically connected between the first variable oscillation circuit and the bias circuit, and between the second variable oscillation circuit and the bias circuit.

Abstract: A heat pipe capable of being remarkably increased in service life by surely exerting sealing effect even under high temperature, and a method of manufacturing the heat pipe. A heat pipe remarkably reduced in cost by increasing productivity and capable of being increased in service life. In the heat pipe (1), an upper plate reinforcement part (50), intermediate plate reinforcement parts (52), reinforcement parts (55) with slits, and a lower plate reinforcement part (60) are fitted to each other in a steam diffusing flow passage (44) facing the peripheral areas of a refrigerant filling hole (4) and an air exhaust hole (5) to form a column structure.

Abstract: A fully-automatic cutting and welding apparatus for stepped steel plate, comprising a multi-function motion module (1), an automatic feed library turntable (2), a product flip platform (3), a steel plate bearing module (4), a pedestal (5), and a base (6). The multi-function motion module (1) is capable of performing motion in a Y-axis direction on the pedestal (5); the pedestal (5) is fixed on a surface edge of the base (6);the automatic feed library turntable (2) is fixed at one end of the base (6); the product flip platform (3) is disposed between the automatic feed library turntable (2) and the steel plate bearing module (4), and the steel plate bearing module (4) is fixed at the other end of the base (6) for bearing and fixing a steel plate, and is used as a welding platform for the final steel plate step part.

Abstract: A fully-automatic cutting and welding apparatus for stepped steel plate, comprising a multi-function motion module (1), an automatic feed library turntable (2), a product flip platform (3), a steel plate bearing module (4), a pedestal (5), and a base (6). The multi-function motion module (1) is capable of performing motion in a Y-axis direction on the pedestal (5); the pedestal (5) is fixed on a surface edge of the base (6);the automatic feed library turntable (2) is fixed at one end of the base (6); the product flip platform (3) is disposed between the automatic feed library turntable (2) and the steel plate bearing module (4), and the steel plate bearing module (4) is fixed at the other end of the base (6) for bearing and fixing a steel plate, and is used as a welding platform for the final steel plate step part.

Abstract: A mechanical pencil incrementally rotates a lead by operation of a touch button. The pencil has a barrel in which is disposed a holder. A rotatable pipe having a writing mechanism assembly incorporated therein is attached rotatably to the holder. Around the periphery of the holder, a slide member is disposed to undergo forward and rearward movement, and the slide member is moved forward by pressing the touch button disposed on the barrel. The holder houses a sleeve which is moved forward by the slide member and which turns in a circumferential direction. A rotation-transmitting cam face is provided on each of a front end face of the sleeve and a rear end face of the rotatable pipe. By the forward movement of the sleeve, the cam faces are engaged with each other to incrementally rotate the rotatable pipe, whereby the lead is incrementally rotated.

Abstract: A heatsink is provided with a base body opposed to a heat generating body and absorbing heat from the heat generating body. Thermal resistance of that opposed portion of the base body which is opposed to the heat generating body is higher than thermal resistance of a surrounding portion surrounding the opposed portion.

Abstract: A mechanical pencil has a main body inserted into a tubular main body cover to undergo forward and rearward movement and rotational movement within the main body cover. The main body feeds a lead and holds the lead during writing. A gear mechanism incrementally rotates the main body based on the presence or absence of writing pressure occurring during writing to thereby incrementally rotate the lead. Protection collars are rotatably mounted on the outer periphery of the main body at locations where the main body is exposed from the main body cover. The protection collars rotatably idle on the main body to prevent a person from gripping and rotating the main body thereby preventing damage to the gear mechanism.

Abstract: A pressurizing-type pen has a compression cylinder fitted to a rear portion of a refill holder which holds an ink-containing refill. A return spring holder holding an elastic airtight member is inserted inside the refill holder. When the compression cylinder advances, the refill holder also advances and presses the airtight member to bring the inner face of the airtight member into close contact with the refill to close a vent path. When the compression cylinder further advances, the rear space of the refill is pressurized by a compression chamber provided within the compression cylinder. Then, following the advance movement of the compression cylinder, the airtight member and the return spring holder advance together with the refill holder and the refill, and the refill is thereby maintained at the writing position. The elastic member does not make sliding contact with the refill and therefore is not abraded.

Abstract: A heat pipe for cooling an exothermic body by the vaporization and condensation of an enclosed cooling medium is disclosed. The heat pipe comprises a flat plate-like upper plate, a flat plate-like lower plate opposed to the upper plate, and a plurality of flat plate-like intermediate plates overlaid on each other between the upper plate and the lower plate and having internal through-holes. The internal through-holes formed in each of a plurality of the intermediate plates are adapted such that only part of each through-hole is overlapped on each other to form capillary tube paths, each having a cross-sectional area smaller than the cross-sectional area of the through-hole in the flat surface direction.

Abstract: A heat pipe for cooling an exothermic body by the vaporization and condensation of an enclosed cooling medium is disclosed. The heat pipe comprises a flat plate-like upper plate, a flat plate-like lower plate opposed to the upper plate, and a plurality of flat plate-like intermediate plates overlaid on each other between the upper plate and the lower plate and having internal through-holes. The internal through-holes formed in each of a plurality of the intermediate plates are adapted such that only part of each through-hole is overlapped on each other to form capillary tube paths, each having a cross-sectional area smaller than the cross-sectional area of the through-hole in the flat surface direction.

Abstract: The present invention provides a direct liquid-writing instrument without ink leakage from the pen-tip even after a long period of use. Specifically, it provides a direct liquid-writing instrument having an ink-retaining part in a bellows-like shape, in which at least the ink-retaining part in a bellows-like shape is made of: 20 to 95% by mass of (A) a polyamide-based resin; and 80 to 5% by mass of (B) at least one resin selected from a styrene-based resin, an olefin-based resin, and a polyphenylene ether resin.

Abstract: A heatsink is provided with a base body opposed to a heat generating body and absorbing heat from the heat generating body. Thermal resistance of that opposed portion of the base body which is opposed to the heat generating body is higher than thermal resistance of a surrounding portion surrounding the opposed portion.

Abstract: A writing instrument has a writing refill slidably disposed in a tubular casing. A rotary cam mechanism extends and retracts the writing refill in response to knocking of a knocking member at a rear end of the casing. The rotary cam mechanism includes a cam cylinder inserted axially into the rear end of the casing, and projections on the cam cylinder engage with apertures in the casing to prevent axial movement of the cam cylinder inside the casing. Rotational movement of the knocking member rotates the cam cylinder and disengages the projections from the apertures, thereby permitting withdrawal of the cam cylinder from the casing and replenishment of the writing refill.

Abstract: A small and thin heat pipe with enhanced heat conductivity. Between an upper member having a grid-like upper concave portion on an inside lower surface and a lower member having a grid-like lower concave portion on an inside upper surface are provided intermediate plate members. The members are each formed with multiple vapor diffusion flow paths extending in a planar direction, communicating with the concave portions of the members, respectively. Thus, a sealed space is defined therebetween so that a refrigerant is enclosed therein. Capillary flow paths are formed through a portion of the members except where the vapor diffusion flow paths are formed such that the capillary flow paths extend vertically or both vertically and horizontally, communicating with the concave portions of the members.

Abstract: A hand-held instrument has a variable contour grip, a main body having a grip-attaching portion, and a tubular grip body made of a resilient material and mounted around the grip-attaching portion of the main body for undergoing rotation relative thereto. Each of an outer circumferential surface of the grip-attaching portion and an inner circumferential surface of the grip body has a non-circular cross-sectional shape so that when the grip-attaching portion and the grip body are rotated relative to one another, the grip body undergoes deformation so that portions thereof or contracted and other portions thereof are expanded to thereby change an outer configuration or contour of the grip body.

Abstract: An automatic mechanical pencil has a tubular piece removably connected to a barrel cylinder, and a slider for frictionally holding a lead and being movably disposed in a front portion of the tubular piece. A lead chuck is disposed in the barrel cylinder for releasably holding the lead so as to allow forward movement of the lead but prevent backward movement thereof. A first spring urges the slider forward and the lead chuck backward so that when a writing front end of the writing instrument is released from a writing surface, the lead is automatically fed by urging the slider forward. A lead reservoir is disposed rearwardly of the lead chuck to supply the lead to the lead chuck. The lead reservoir has a reservoir main body, a pipe holder connected to a front end of the reservoir main body and having a guide projection, and a stopper disposed around an outer periphery of the pipe holder and having a receiving groove engageable with the guide projection.

Abstract: A writing instrument is capable of functioning both as an automatic mechanical pencil and as a shaking-type mechanical pencil. The writing instrument has a barrel cylinder constituted by a front cylinder detachably connected to a rear cylinder. A slider is disposed at the front end of the barrel cylinder, and a lead chuck, such as a ball chuck, is disposed rearwardly of the slider. A slider spring urges the slider forward and urges the lead chuck rearward. A lead reservoir is movably disposed rearwardly of the lead chuck. Around the outer periphery of the lead reservoir, a weight is disposed to undergo back-and-forth movement in an axial direction. On the outer periphery of the lead reservoir is disposed a weight-receiving cylinder against which the rear end of the weight abuts when the writing instrument is shaken. A knocking spring urges the weight-receiving cylinder forward and urges the lead reservoir rearward.

Abstract: A writing instrument has a tubular member having a longitudinal axis and an aperture at an end thereof. A writing component is mounted in the tubular member and has a writing tip at an end portion thereof. The tubular member and the writing component are movable relative to one another in an axial direction along the longitudinal axis of the tubular member between a writing position at which the writing tip protrudes from the aperture of the tubular member and a housed position at which the writing tip is disposed in the tubular member. An airtight sleeve is connected to the end portion of the writing component for movement between an advanced position and a retracted position. The airtight sleeve has a bore through which the end portion of the writing component passes during movement of the writing component between the writing position and the housed position.