36results about How to "Improve oscillation efficiency" patented technology

A nitride semiconductor laser diode has a quantum well layer consisting of a mixed crystal of Alx1Iny1Ga1-x1-y1N (x1≧0.5, y1≧0 and 1−x1−y1≦0.5) in a group III nitride semiconductor multilayer structure having a major growth surface defined by a nonpolar plane. A cavity direction of the laser diode is perpendicular to a c-axis. The major growth surface of the group III nitride semiconductor multilayer structure may be defined by an m-plane. In this case, the cavity direction may be along an a-axis.

A light-emitting device is disclosed as typified by a laser oscillator formed by an electroluminescent material with improved oscillation efficiency of laser light and even reduced power consumption. The disclosed light-emitting device comprises a light-emitting element including a first electrode having a concave portion, an electroluminescent layer serving as a laser medium formed over the first electrode so as to be overlapped with the concave portion, and a second electrode formed over the electroluminescent layer so as to be overlapped with the concave portion, wherein light generated in the electroluminescent layer is resonated between the first electrode and the second electrode and emitted as laser light from the second electrode, an optical axis of the laser light intersects with the second electrode, the first electrode has a curved surface at the concave portion, and a center of curvature of the curved surface is located at the side of the second electrode above the first electrode.

A light-emitting device is disclosed as typified by a laser oscillator formed by an electroluminescent material with improved oscillation efficiency of laser light and even reduced power consumption. The disclosed light-emitting device comprises a light-emitting element including a first electrode having a concave portion, an electroluminescent layer serving as a laser medium formed over the first electrode so as to be overlapped with the concave portion, and a second electrode formed over the electroluminescent layer so as to be overlapped with the concave portion, wherein light generated in the electroluminescent layer is resonated between the first electrode and the second electrode and emitted as laser light from the second electrode, an optical axis of the laser light intersects with the second electrode, the first electrode has a curved surface at the concave portion, and a center of curvature of the curved surface is located at the side of the second electrode above the first electrode.

There is provided a semiconductor laser pumped solid-state laser device for engine ignition that can stably provide optical energy required for ignition across a wide temperature range. In the semiconductor laser pumped solid-state laser device for engine ignition, a plurality of semiconductor lasers 21, 22, 23, and 24 are used that have locking ranges, a temperature width thereof divided into a plurality of temperature ranges corresponding to a variation width of an ambient temperature, and that have the respective wavelengths falling within an absorption wavelength band of a solid-state laser medium 5 of the solid-state laser device in the temperature width of each locking range, to pump the solid-state laser medium 5 by multiplexing emitted lights from the plurality of semiconductor lasers 21, 22, 23, and 24 using a multiplexing mechanism to irradiate the solid-state laser medium 5.

Provided is a high-frequency dielectric heating device for which fine adjustment of inductance is achieved easily and with high precision, while reducing device cost and simplifying device structure.A high-frequency dielectric heating device (10) comprising a high-frequency power source (20), a pair of electrodes (30) disposed facing each other, a reflected power detection means for detecting reflected power occurring due to heating of a substance to be heated, the reflected power detection means being connected between the electrodes (30) and the high-frequency power source (20), and an inductance matching device (40) for adjusting the reflected power, wherein the matching device (40) is provided with a capacitor (C1) connected in parallel to the high-frequency power source (20), and a capacitor (C2) and / or coil (L) with which it is possible to adjust at least reactance, the capacitor (C2) and / or coil (L) being connected in series to the electrodes (30), the high-frequency power source (20) being configured such that frequency can be varied.

A magnetron comprising an anode portion having an anode cylinder and vanes, a cathode portion having a coil-shaped filament, magnetic poles disposed at the upper and lower ends of the filament, ring-shaped permanent magnets made of a Sr ferrite magnet containing La-Co, an input portion and an output portion. The diameter phia of the inscribed circle at the ends of the vanes constituting the anode portion is in the range of 7.5 to 8.5 mm, and the outside diameter phic of the coil-shaped filament 1 constituting the cathode portion is in the range of 3.4 to 3.6 mm.

The invention discloses a chemical reagent oscillator which comprises a box body, wherein the box body is of a hollow structure opened in the top; a supporting block is arranged at the center of the box body; a plurality of uniformly distributed test tube placing holes are formed in the top of the supporting block; a fixing bar and a first convex rod are symmetrically arranged on the two side walls of the supporting block; a chute matched with the fixing bar is formed in the inner wall in one side of the box body; the end, far from the supporting block, of the fixing bar is inserted into the chute, and the fixing bar is connected to the chute in a sliding manner; a first spring is fixedly connected to the bottom of the chute; the end, far from the bottom of the chute, of the first spring is fixedly connected to the fixing bar; the first convex rod penetrates through the side wall of the box body, and the first convex rod is slidably connected to the side wall of the box body; a fixingplate is arranged on the side wall of the box body; and a first driving motor is fixedly connected to the fixing plate. The chemical reagent oscillator disclosed by the invention is simple in structure and convenient to operate, improves the oscillating efficiency of a chemical reagent and improves the oscillating effect of the chemical reagent.

A compact and inexpensive laser apparatus capable of obtaining laser beams of multiple wavelengths from a single solid crystal at the same time and excelling in reliability and efficiency is to be provided. A laser apparatus 1 uses a solid crystal consisting of a Raman effect substance as a laser medium 10, and is equipped with a laser oscillator 12 for exciting the laser medium 10 to generate laser beams, a reflector 16, a laser output mirror 18, for resonating the laser beam generated from the laser medium 10 and a harmonic element 22 for enabling by angle adjustment a single wavelength to be extracted out of multiple oscillation wavelengths.

A wavelength conversion element includes a second harmonic wave generating element provided with an entrance surface and an emission surface, a function of converting an incident fundamental wave into a second harmonic wave with a different wavelength and emitting the second harmonic wave, and a cyclic polarization inversion structure configured so as to be able to match a phase of the second harmonic wave in a pseudo manner, and a first wavelength dispersive optical element disposed on the entrance surface side of the second harmonic wave generating element, having a first diffraction surface for diffracting an incident light beam with a diffraction angle increasing in accordance with a wavelength of an incident light beam to disperse the incident light beam by the wavelength of the incident light beam, and for emitting the light beam dispersed in the first diffraction surface towards the second harmonic wave generating element.

The invention discloses a vertical pulse type electric vibrating and screening machine and a use method thereof. The vertical pulse type electric vibrating and screening machine comprises a supporting frame, a square fixing frame, a vertical pulse driving device and a vibrating and screening device. The square fixing frame is arranged in the supporting frame and fixedly connected with the supporting frame through a plurality of elastic parts. A vertical rack is arranged on the top of the square fixing frame, an incomplete gear engaged with the rack is arranged on the upper portion of the supporting frame, and the incomplete gear, the rack and the elastic parts form the vertical pulse driving device together. The vibrating and screening device and the square fixing frame form an integrated structure and perform periodic vertical pulse movement under the action of the vertical pulse driving device. By the adoption of the structure and the method, screening and vibrating functions can be achieved at the same time, a screen can be prevented from being blocked, and the efficiency of the screen is improved; vibrated samples can be quickly and fully mixed, so that the vibrating efficiency is improved; multiple screening functions can also be achieved through combination of different screens, so that the screening or vibrating effect is improved.

An oscillation device includes an oscillator, an oscillation detection unit that detects oscillation of the oscillator and outputs an oscillation detection signal, and a drive unit that generates a drive signal in keeping with the oscillation detection signal and outputs the drive signal to the oscillator. The drive unit includes a phase shift unit that shifts the phase to provide the drive signal as positive feedback to the oscillator. The phase shift unit includes a disturbance generating unit that outputs the periodic signal, a fluctuation unit that causes the amount of phase shift to fluctuate based on the periodic signal, a drive amplitude detection unit that detects the amplitude of the drive signal and outputs a drive amplitude signal, a product detection unit that outputs a detection signal after performing product detection on the drive amplitude signal based on the periodic signal, and an adjustment unit that adjusts the phase-shift amount based on the detection signal.

A magnetron includes a ring-shaped anode, a cathode, an activating space, at least one permanent magnet and a magnetic flux carrying unit. The ring-shaped anode forms a plurality of resonance circuits. The cathode is disposed at the axial center of the anode to emit thermions. The activating space is formed between the anode and the cathode. The at least one permanent magnet is provided beside the anode. The magnetic flux carrying unit carries magnetic flux generated by the at least one permanent magnet to the activating space. A microwave oven and / or high frequency heating apparatus may utilize the magnetron.

Disclosed herein is a domestic injection-type ultrasonic washing apparatus comprising an oscillator module and an injector module. The oscillator module includes an oscillation circuit unit provided with various elements to generate electric vibration, ultrasonic vibrators located underneath the oscillation circuit unit and electrically connected to the oscillation circuit unit to convert the electric vibration to mechanical vibration, and a radiation plate having vibrator seating openings. The injector module includes a raw water inlet portion, a fluid passage housing having an inner fluid passage to allow inlet raw water to pass while coming into contact with the radiation plate, and injection nozzles to ultrasonically vibrate and inject the raw water. The washing apparatus achieves reduction in the size thereof, and ease of assembly, repair and exchange of damaged modules. Also, the washing apparatus shows improved radiation effect and uniform supply of wash water.

An oscillation device includes an oscillator, an oscillation detection unit that detects oscillation of the oscillator and outputs an oscillation detection signal, and a drive unit that generates a drive signal in keeping with the oscillation detection signal and outputs the drive signal to the oscillator. The drive unit includes a phase shift unit that shifts the phase to provide the drive signal as positive feedback to the oscillator. The phase shift unit includes a disturbance generating unit that outputs the periodic signal, a fluctuation unit that causes the amount of phase shift to fluctuate based on the periodic signal, a drive amplitude detection unit that detects the amplitude of the drive signal and outputs a drive amplitude signal, a product detection unit that outputs a detection signal after performing product detection on the drive amplitude signal based on the periodic signal, and an adjustment unit that adjusts the phase-shift amount based on the detection signal.

It is an object of the present invention to provide a copper-containing silica glass which emits fluorescence having a peak in a wavelength range of from 520 nm to 580 nm under irradiation of ultraviolet light with a wavelength of 400 nm or less, and which is excellent in long term stability even in the high output use. The copper-containing silica glass is made to have copper of from 5 wtppm to 200 wtppm, which emits fluorescence having a peak in a wavelength range of from 520 nm to 580 nm under irradiation of ultraviolet light with a wavelength ranging from 160 nm to 400 nm, and in which an internal transmittance per 2.5 mm thickness at a wavelength of 530 nm is 95% or more.

In a magnetron 41, when a radius of a flat portion 45b of a pole piece 45 is Rp, a radius of the inner circumference of a large-diameter equalizing ring 51 is Rs2, Rp≧Rs2, a radius of the outer circumference of a small-diameter equalizing ring is Rs1, a radius of a circle inscribed in a leading edge of an anode vane is Ra, and a minimum length between the pole pieces in the axial direction is Lg, the values of Ra, Rs1, Rs2, and Lg are set such that the following Expressions 1 and 2 are established: 1.85Ra≦(Rs1+Rs2) / 2≦1.96Ra,  [Expression 1]and2.84Ra≦Lg≦3.0Ra.  [Expression 2]

In a magnetron 41, when a radius of a flat portion 45b of a pole piece 45 is Rp, a radius of the inner circumference of a large-diameter equalizing ring 51 is Rs2, Rp >= Rs2, a radius of the outer circumference of a small-diameter equalizing ring is Rs1, a radius of a circle inscribed in a leading edge of an anode vane is Ra, and a minimum length between the pole pieces in the axial direction is Lg, the values of Ra, Rs1, Rs2, and Lg are set such that the following Expressions 1 and 2 are established: Expression 1u 1.85Ra <= (Rs1 + Rs2) / 2 <= 1.96Ra, and Expression 2u 2.84Ra <= Lg <= 3.0Ra. =Rs 2 , a radius of the outer circumference of a small-diameter equalizing ring is Rs 1 , a radius of a circle inscribed in a leading edge of an anode vane is Ra, and a minimum length between the pole pieces in the axial direction is Lg, the values of Ra, Rs 1 , Rs 2 , and Lg are set such that the following Expressions 1 and 2 are establis.

In a magnetron 41, when a radius of a flat portion 45b of a pole piece 45 is Rp, a radius of the inner circumference of a large-diameter equalizing ring 51 is Rs2, Rp≧Rs2, a radius of the outer circumference of a small-diameter equalizing ring is Rs1, a radius of a circle inscribed in a leading edge of an anode vane is Ra, and a minimum length between the pole pieces in the axial direction is Lg, the values of Ra, Rs1, Rs2, and Lg are set such that the following Expressions 1 and 2 are established:1.85Ra≦(Rs1+Rs2) / 2≦1.96Ra, and[Expression 1]2.84Ra≦Lg≦3.0Ra.[Expression 2]

Provided is a high-frequency dielectric heating device in which fine impedance adjustment can be achieved easily and with high precision while reducing a device cost and simplifying a device structure. A high-frequency dielectric heating device (10) includes a high-frequency power supply (20), a pair of electrodes (30) disposed opposite each other, reflected power detector 60 connected between the electrodes (30) and the high-frequency power supply (20) and detects reflected power generated when a heating subject is heated, and an impedance matching device (40) that adjusts the reflected power, wherein the matching device (40) includes a capacitor (C1) connected in parallel to the high-frequency power supply (20), and at least one of a capacitor (C2) and a coil (L) connected in series to the electrodes (30), at least a reactance of the capacitor or the coil being adjustable, and the high-frequency power supply (20) is configured to have a variable frequency.

The invention discloses a vertical pulse type electric oscillating screening machine and a method for using the same, comprising a support frame, a fixed frame, a vertical pulse driving device and an oscillating screening device. Each elastic part is fixedly connected with the support frame; a vertical gear rack is arranged on the top of the fixed frame; the upper part of the support frame is provided with an incomplete gear that meshes with the gear rack; the incomplete gear, the gear rack and several elastic parts The vertical pulse driving device is formed together; the vibrating screening device and the fixed frame form an integral structure, and under the action of the vertical pulse driving device, periodic vertical pulse motion is carried out. After the above structure and method are adopted, the functions of sieving and oscillation can be realized at the same time, the clogging of the sieve can be avoided, and the efficiency of the sieve can be improved; It can also achieve various screening functions through different combinations of screen meshes to improve the screening or oscillation effect.

The invention discloses a medicine oscillator special for the orthopedics department, and relates to the field of oscillators. The oscillator includes a rack provided with a top plate, a control system arranged in the rack and an oscillating device are arranged in the rack, wherein the oscillating device is electrically connected with the control system; the oscillating device comprises a side plate, a driving assembly, a transmission shaft, a swing assembly, an oscillating assembly and a medicine carrying plate; the swing assembly is connected with the driving assembly through the transmission shaft; the oscillating assembly is connected with the driving assembly through the transmission shaft; the medicine carrying plate is connected with the oscillating assembly; the driving assembly ishinged to the side plate; and the side plate is fixedly connected with the top plate and is perpendicular to the top plate. The swing assembly and the oscillating assembly are driven by one driving device, so that the oscillating box swings in the vertical direction while doing linear reciprocating motion, multi-angle oscillation of medicine is achieved, the uniformity of the medicine is effectively guaranteed, and the situation that medicine liquid is precipitated, and the medicine effect is affected is avoided.

It is an object of the present invention to provide a copper-containing silica glass which emits fluorescence having a peak in a wavelength range of from 520 nm to 580 nm under irradiation of ultraviolet light with a wavelength of 400 nm or less, and which is excellent in long term stability even in the high output use.The copper-containing silica glass is made to have copper of from 5 wtppm to 200 wtppm, which emits fluorescence having a peak in a wavelength range of from 520 nm to 580 nm under irradiation of ultraviolet light with a wavelength ranging from 160 nm to 400 nm, and in which an internal transmittance per 2.5 mm thickness at a wavelength of 530 nm is 95% or more.

A VCO system embodying the features of the present invention includes a frequency tuning circuit, a modulation circuit coupled in a parallel fashion with the frequency tuning circuit, a band tuning circuit coupled with the frequency tuning circuit in a parallel fashion having at least one switching circuit, a core circuit coupled with the frequency tuning circuit, the modulation circuit, and the band tuning circuit, wherein upon asserting a switching signal and upon adjusting a frequency turning signal, a frequency tuning bias signal, and a band tuning signal, the switching circuit is enabled for configuring the band tuning circuit to join the frequency tuning circuit for adjusting a predetermined output frequency based on a total inductance and a total capacitance provided by the core circuit, the frequency tuning circuit, the modulation circuit and the band tuning circuit.

The present invention provides a high-frequency induction heating device capable of reducing the cost of the device and simplifying the structure of the device, and enabling fine adjustment of impedance with high precision and easily. The high-frequency induction heating device (10) includes: a high-frequency power supply (20), a pair of electrodes (30) arranged opposite to each other, connected between the electrodes (30) and the high-frequency power supply (20), and for heating the object to be heated And the reflected power detecting mechanism that the reflected power that produces detects, and the impedance matching device (40) that the reflected power is adjusted, the impedance matching device (40) has: the capacitor (C1) that is connected in parallel with the high-frequency power source (20), And at least one of a capacitor (C2) capable of adjusting reactance or a coil (L) connected in series with the electrode (30), and the high-frequency power supply (20) are configured to be variable in frequency.

The invention discloses a novel oscillating motor based on linear-rotary double degree of freedoms and a control method. The motor comprises a prime mover and a driven machine. The prime mover body is fixed to a prime mover base. A prime mover mover is connected with the prime mover body. A prime mover mover permanent magnet is disposed on the outer surface of the prime mover mover. A driven machine fixed cast body is fixed to a driven machine base. A cylinder is fixed to the driven machine fixed cast body, and is connected with a driven machine mover. A driven machine mover permanent magnet is disposed on the inner surface of the driven machine mover. The prime mover mover is coaxially nested inside the driven machine mover. A gap is arranged between the prime mover mover permanent magnet and the driven machine mover permanent magnet. The prime mover drives the driven machine mover through the prime mover mover such that the driven machine linearly reciprocates and compresses the air through the cylinder. The novel oscillating motor solves the low efficiency, the large noise, the low power, the transmission mechanism wear proneness, and the low energy density of a conventional motor, thereby improving the efficiency and stability of an oscillating motor system.

A method for manufacturing an optical fiber grating that includes first and second gratings that configure an optical resonator, the method including: forming the first grating by radiating ultraviolet light to an optical fiber so that a irradiation intensity Z satisfies the following Equation 1: Z≦(ΔλS / x+0.04556 Y2+1.2225 Y) / (0.05625 Y2+1.6125 Y) . . . Equation 1, where, Z represents an irradiation intensity (mJ / mm2) of the ultraviolet light, ΔλS represents the maximum shift amount of a reflection center wavelength of the first grating that is allowed as long as reflection wavelengths of the first grating and second grating overlap each other, x represents a shift amount of the reflection center wavelength per temperature change of 1° C. (nm / ° C.) in the first grating, and Y represents an intensity (W) of the wave-guided light.

The invention relates to the field of biochemistry equipment, and provides emulsion preparation equipment, which comprises a driving device, a motion device and a sample carrier. The driving device is connected with the motion device and used for supplying driving force for motion, the motion device is connected with the sample carrier and used for controlling motion of the sample carrier, and the sample carrier is used for containing reagent and / or fixing sample holder components. The emulsion preparation equipment is simple in structure, small in vibration and easy to use.