baber/WOPTO huggingface dataset:
Patent JP-S63256869-A (JP)
Title: Zero-phase detector
Inventor: HOSOE KATSUHIRO
IPC: G01R15/24
Filed: 1987-04-14
Abstract: PURPOSE:To reduce the number of components in use and to obtain high detection accuracy by splitting and mixing light by beam splitters provided in respective sensors. CONSTITUTION:Light from a light source 9 is made incident on a 1st sensor SR by using an optical fiber 1 and split into P and S polarized light beam by a polarization beam splitter 13 incorporated in the sensor. Then one of the beams is inputted to a Pockels effect element 4 or Faraday effect element 6 and intensity modulation is imposed according to a voltage or magnetic field. The other polarized light is incident on a 2nd sensor SS through the optical fiber 1 and passed through only an incorporated polarization beam splitter 13 and the effect element 4 or 6 imposes intensity modulation on the light which is not modulated; and the resulting light is mixed with the modulated light from the sensor SR. Then similar processing is performed through a 3rd sensor ST and the final composite light is incident on a photodetector 10 by an optical fiber 1' and a condenser lens 14 to detect a zero-phase voltage or current.
Patent JP-H10263249-A (JP)
Title: Sewing machine
Inventor: ITO MINORU
IPC: D05B19/16
Filed: 1997-03-25
Abstract: PROBLEM TO BE SOLVED: To provide a sewing machine in which a holder part between a bed part and an arm part can be constituted so as to be covered at least and can be used as an auxiliary table for expanding a bed surface, further, a sewing machine cover is provided with an integrated driving mechanism for driving an embroidery frame, and a wide work plane at the time of ordinary sewing and the wide moving area of embroidery frame at the time of embroidery sewing can be secured. SOLUTION: A sewing machine cover 2 is composed of a main body 4 of cover and a divided cover 8, a lateral driving mechanism for laterally driving the embroidery frame is integrated into the main body 7 of cover, a notched opening 35 to be engaged with the engage part of bed part 3 is formed on a wall 31, a longitudinal driving mechanism for longitudinally driving the embroidery frame is integrated into the divided cover 8 and in the state of using the sewing machine cover 2 as a cover, the upper surface of bed plane 12 and wall 31 becomes a continuous horizontal working plane.
Patent JP-S5616240-A (JP)
Title: Analog multiplier
Inventor: YAMAUCHI YOSHITOSHI
IPC: G06F7/16
Filed: 1979-07-19
Abstract: PURPOSE:To perform analog multiplication broad in operating range with a simple constitution, by multiplying the input voltage of the voltage impedance converter consisting of two FETs of equal characteristics and operational amplifiers by the input voltage of the impedance current limit circuit. CONSTITUTION:Two FETs Q1, Q2 having equal characteristics are formed on one pellet. Since the FETs can be kept at equal temperature conditions, both the characteristics can be kept equal. Further, the impedance proportional to the input voltage EiA of the voltage impedance converter consisting of FETQ1, Q2 and the operational amplifier OP1 is taken out. Further, to regulate the current flowing to this impedance, the voltage EiB applied to the input circuit having the resistance Ri and the voltage EiA input to the voltage impedance converter are multiplied for output. Thus, with a simple constitution, the analog multiplication in broad operating range can be made with a simple constitution.
Patent JP-S62247379-A (JP)
Title: Method for forming digital image and its image formed body
Inventor: MATSUO SHUNJI
IPC: B41J2/525
Filed: 1986-04-19
Abstract: PURPOSE:To stabilize the formation of image by transferring the multi-colored image, which is formed by repeating a step of forming a color toner image by developing an electrostatic image with a non-magnetic developer composed of one component, and a rotation of the image forming body at a plural times, to a transfer material. CONSTITUTION:The electrostatic image is formed by writing a chrominance signal on the image forming body and the colored toner image corresponding to the chrominance signal is formed by developing the electrostatic image with the non- magnetic developer composed of one component. The multicolored image is transferred to the transfer material by forming the multi-color toner image on the image forming body by repeating a step of forming the color toner, and a rotation of an image forming body at a plural times followed by transferring the multicolor toner to the transfer material. The non-magnetic insulating toner which is the main component of the image forming developer is composed of, for example, particles which disperse a coloring matter, an electrostatic charge controlling agent and an offset-resisting agent in the insulating binder resin. The means particle size of the particle is 1-20mum, preferably, 3-15mum, and if necessary, the particle is granulated by heat treating the particles.
Patent JP-H06285273-A (JP)
Title: Thread-end cutter
Inventor: OE KEIZABURO
IPC: B26B7/00
Filed: 1992-03-17
Abstract: PURPOSE:To provide a thread-end cutter which cuts off the end of thread remaining at the sewing edge of machine-sewed cloth at the roots thereof. CONSTITUTION:An electrically driven cutter 2 comprising a lower fixed comb blade 2a and an upper fixed comb blade 2b is mounted to the underside of a main body 1, and the lower end of an opening of a suction passage 9 communicating with a receiving chamber 5 in the body 1 is located near the upper part of the cutter 2, and further an air blowoff port 17 is opened into the passage 9 on either side of the passage 9 in the forward direction thereof so that the end of thread B attached onto cloth C is removed therefrom by an air stream from the port 17, while the end of thread B is raised from the cloth C by the suction force of air from the passage 9. And the end of thread B is cut off at the root thereof by means of the cutter 2 and put into the chamber 5 through the passage 9.
Patent JP-H06277568-A (JP)
Title: Sprinkler
Inventor: TAKANO TAKEYASU
IPC: B05B3/12
Filed: 1993-03-26
Abstract: PURPOSE:To provide a sprinkler always keeping a suitable spraying state and also having a long life. CONSTITUTION:In the sprinkler, a cylinder 3 is provided rotatably inside a supporting body 1 and a conduit pipe 5 is provided inside the cylinder 3 with a permitted only vertical movement to the cylinder 3. A nozzle 7 is fixed at the upper end of the conduit pipe 5. A motor case 9 is fixed to the supporting body 1 and a motor 11 is provided inside the motor case 9. The motor 11 is engaged with a worm wheel 13 attached to the outer periphery of the cylinder 3.
Patent JP-H03293275-A (JP)
Title: Display device at emergency information for elevator
Inventor: KIYOSUGI HIROSHI
IPC: B66B3/00
Filed: 1990-04-09
Abstract: PURPOSE:To enable a passenger to wait rescue without any anxiety at confinement trouble by constituting the device so that the display content corresponding to rescue condition of confinement is selected from display content data previously memorized and displayed on the display device in a cage, or the display content is rewritten through a signal from a telecommunication line. CONSTITUTION:When a confinement trouble is generated in an elevator, a passenger pushes the call button 2 to call a controller room 4 for rescue, but when a telephone call is impossible in a prescribed time due to absent of the con troller, communication can be automatically performed to the monitor center 7 remote-monitoring the elevator. At the same time, the display content corresponding to confinement trouble is displayed on the display device 3 provided in a cage, by selecting from display content data previously memorized, or by rewriting the display content by a signal transmitted through a telecommunication line 5. Hereby. the passenger can wait rescue without any anxiety.
Patent JP-S59218945-A (JP)
Title: Detector of gas component and humidity
Inventor: YAMAMOTO MINORU
IPC: G01N27/12
Filed: 1983-05-27
Abstract: PURPOSE:To detect simultaneously humidity in atmosphere and the density of a gas component and to correct the influence of the atmospheric humidity exerting upon the detection of gas density by using only one sensor. CONSTITUTION:A gas component and humidity detecting sensor 1 consists of a gas sensitive/humidity sensitive element 11, heater 12, and a thermistor 13, etc. The gas sensitive/humidity sensitive element 11 is an element changing its resistance value in accordance with the humidity in the atmosphere and the concentration of the gas component and consists of a metallic oxide semiconductor such as SnO2. A sensor output (a) from the element 11 is guided to a reference voltage operation setting circuit 4, a humidity detecting circuit 5 and a gas detecting circuit 6 respectively. The heater 12 and the thermistor 13 are connected to a heater control circuit 2 respectively and the circuit 2 controls the temperature of the sensor 1 so that time interval between the detection of humidity and the detection of gas is alternately switched. Consequently, the humidity in the atmosphere and the density of the gas component can be simultaneously detected and the influence of the atmospheric humidity exerting upon the detection of the gas density can be corrected.
Patent JP-H04323391-A (JP)
Title: Method for controlling descaling of steel strip
Inventor: IKEZAKI EIJI
IPC: C23G1/08
Filed: 1991-04-23
Abstract: PURPOSE:To shorten the pickling time in total by pickling a steel strip while controlling the generation of bubbles in a pickling soln. CONSTITUTION:The scale of a steel strip 1 is continuously pickled. In this case, a pickling soln. 3 in a pickling tank 2 through which the strip 1 is traveled is heated and boiled to generate bubbles, or high-temp. steam or gas is blown into the tank 2 to generate bubbles. The strip is pickled in the frothed soln. 3 and descaled. A pickling soln. heater 5 is provided on the floor of the tank 2 in the transverse direction of the strip 1. The heating action, heating steam amt. or the gas discharge of a pipeline are changed in the transverse direction of the strip 1 to control the bubbling of the soln. 3 including ebullition, as well and pickling is performed. Consequently, the pickling device is made compact, and the space is saved.
Patent JP-S59222299-A (JP)
Title: Method for controlling aeration tank
Inventor: KOBAYASHI SHIYUICHIROU
IPC: C02F3/12
Filed: 1983-05-27
Abstract: PURPOSE:To control the concn. of dissolved oxygen with minimum energy for feeding air by calculating a target degree of opening of an air amt. control valve of an aeration tank necessary for obtg. necessary flow rate of aerating air in accordance with the present discharge pressure of a blower and controlling the air amt. control valve to the target degree of opening. CONSTITUTION:Air is fed to each aeration tank 1-1-1-K by each air dispersing device 3-1-3-K, and the concn. of dissolved oxygen X1-XK of each aeration tank is detected by each concentration meter 4-1-4-K for dissolved oxygen. Each flow rate g1-gK of aerating air is detected by each flow meter 6-1-6-K. The feed of air for each tank is performed by N sets of blower 2-1-2-N of which the number of blower to be driven is controlled by a controller 10 for controlling the number of blower to be driven. The discharge pressure (h) is controlled by controlling the degree of opening Uh of the suction valve 13-1-13-K in one group by a controller 11 for degree of opening of suction valve. Each condition signal is inputted through an inputting device 7 into an electronic computer 8, and the computer is operated based on a common target value of the dissolved oxygen concn. as the set value.
Patent JP-H11268881-A (JP)
Title: Slinging hook, auxiliary hoisting hook shift device for ladle crane and crane
Inventor: HARUTA YASUSHI
IPC: B66C1/34
Filed: 1998-03-20
Abstract: PROBLEM TO BE SOLVED: To engage a hook section with a hanger section while preventing a hoisting material from interfering with the accessory matter of a conveyed object by providing the hook section at a position apart from the hoisting center line formed in the extending direction of the hoisting material when a slinging hook is hoisted by the hoisting material. SOLUTION: An auxiliary hoisting hook 51 is provided with a hook main body 52, a hook section 53 and a counterweight 54, and the hook section 53 and the counterweight 54 are formed separately from the hook main body 52 via two bolt holes 55a, 56n and an insertion bolt respectively. A hook section 53 to be engaged with the tilt metal of a molten metal pot is protruded outward from the hoisting center line C on the auxiliary hoisting hook 51, the hook section 53 is hooked on the tilt metal after the auxiliary hoisting hook 51 is shifted in advance, and the molten metal pot with a wide range of different shapes and sizes, e.g. the other accessory matter of the molten metal pot having a projection, can be coped with. The auxiliary hoisting hook 51 can keep the balance on the right and left, and the hooking work on the tilt metal is facilitated.
Patent JP-H02273444-A (JP)
Title: Charged particle implanting device
Inventor: OKUDA SOICHIRO
IPC: G21K1/093
Filed: 1989-04-12
Abstract: PURPOSE:To prevent shear of a focusing point so as to obtain a high performance charged particle implanting device with low percent defective by making replaceable the pole pieces of a bipolar electromagnet for bending the orbit of charged particles, and using such pole pieces that their end portions form required curves. CONSTITUTION:The orbit 2 of charged particles sent from a charged particle generating means 1 is bent by a bipolar electromagnet 3 so that it is focused to a focusing point 11 and implanted into a sample 10. The incident focusing position and outgoing focusing position adjusting pole pieces 4, 6 of the electromagnet 3 are replaceable, and each pole 4, 6 the end portion of which has such a horizontal cross section as forming a curve of the second or third order is used to prevent shear of the focusing point. As a result, a high performance charged particle implanting device is obtained with small percent defective.
Patent JP-S60235600-A (JP)
Title: Ultrasonic wave probe and its manufacture
Inventor: KOMORI SHIYOUKOU
IPC: H04R17/00
Filed: 1984-05-08
Abstract: PURPOSE:To reduce crosstalk and to obtain an excellent diagnostic picture by adopting array arrangement finner than pitch interval of piezoelectric elements in array arrangement for a matching layer. CONSTITUTION:The probe 1 is provided with the plural piezoelectric elements 2 arranged in an array. That is, the piezoelectric element 2 are arranged in parallel with a prescribed air gap 4. The piezoelectric elements 2 are formed by foring electrodes 8a, 8b on a major plane opposite to a piezoelectric substrate 6 made of a titanic acid zirconic acid lead PZT. The 1st, 2nd matching layers 10, 12 for acoustic matching and an acoustic lens 14 are laminated sequentially on the surface of the piezoelectric element 2, and a back side layer 16 for absorbing ultrasonic wave is provided at the back side of the piezoelectric elements 2. The thickness of the 1st and 2nd matching layers 10, 12 is formed near 1/4 wavelength. Further, in the 1st matching layer 10, a metallic layer 20 made of nickel, chromium alloy or aluminum is formed in a com line from with a prescribed gap 24 on a glass substrate 18 made of quartz glass group or silicon group and the width (d) of each metallic layer 20 in the array arranging direction is set so as to be sufficiently smaller than a pitch width P of each piezoelectric element 2.
Patent JP-2000286227-A (JP)
Title: Apparatus for etching wafer beveling surface
Inventor: KAGAYA OSAMU
IPC: H01L21/304
Filed: 1999-03-31
Abstract: PROBLEM TO BE SOLVED: To provide wafer beveling apparatus which eliminates foreign matters sticking to a gap forming surface between wafer outer peripheral parts when the parts are wetted, enables uniform wetting of the whole region of the parts, and performs uniform beveling and etching of almost the whole surface of the parts. SOLUTION: When wafer outer peripheral parts are wetted, brush bristles 16a are made to abut against the parts between wafer outer peripheral parts of gathering wafers G, and brushing is performed with a brush 16 in the state of contact with pure water. Thereby foreign object on the gap forming surface between the wafer outer peripheral parts in the case of wetting can be removed almost completely. Trough parts of the gaps are wetted with pure water through the effect of capillary action of the brush bristles 16a. When beveling and etching performed, and generated reaction gas sticks to the gaps between the outer peripheral parts of the respective wafers W, the gas can be swept away by the brush bristles 16a, so that etching irregularity is scarcely generated in each valley part and between the valley parts.
Patent JP-H03289548-A (JP)
Title: Horizontal-sample type x-ray diffraction apparatus and goniometer supporting device used thefore
Inventor: SHIBATA ATSUSHI
IPC: G01N23/207
Filed: 1990-04-06
Abstract: PURPOSE:To use a goniometer as a vertical type or a horizontal sample-fixed type in response to the requirement of a measuring person by attaching the goniometer to a frame so that the goniometer can be attached or removed freely, and rotating and driving the goniometer with a sample axis as the center. CONSTITUTION:A goniometer supporting body 2 having the L-shaped cross section is fixed on a frame 1 with screws 3 so that the body can be attached and removed freely. The rotary shaft of the goniometer is inserted into the supporting body 2 and attached. The shaft is provided so that the shaft is freely rotated with respect to the supporting body 2 and cannot be moved in the axial direction. A supporting device for rotating and driving a goniometer 8 is constituted of the supporting body 2, the rotary shaft, a goniometer rotating motor 6 and gears 5 and 7. The goniometer can be used as a vertical type or a horizontal sample-fixed type depending on whether the entire goniometer 8 is rotated or not rotated. Then, the highly accurate measurement can be performed, and a liquid sample 17 can be measured without trouble.
Patent JP-S62249168-A (JP)
Title: Photosensitive drum
Inventor: SANKOCHI TOSHIO
IPC: G03G5/147
Filed: 1986-04-22
Abstract: PURPOSE:To obtain the titled drum having a long service life by forming a photosensitive layer mounted on the outer circumference of the drum substrate with a thin film of diamond, thereby improving physical and chemical strength of the surface of the photosensitive layer. CONSTITUTION:The surface of the diamond semiconductor 1b is contacted with a developing means 4, a means 5 for transferring and fixing through a paper 8, and a cleaning means 7 in order. The semiconductor 1b has the high antifriction property, as its characteristics of the semiconductor, and does not wear out, even if in case of using for a long period.
Patent JP-H02271785-A (JP)
Title: Automatic intermediate frequency band width variable circuit
Inventor: IDO TOSHIICHI
IPC: H04N5/60
Filed: 1989-04-12
Abstract: PURPOSE:To obtain an excellent picture and voice even when the C/N is low by applying automatic control to the band width of an intermediate frequency based on an output obtained through integration of an error signal representing missing due to noise in a digital voice signal. CONSTITUTION:An audio PCM subcarrier signal separated from a video signal at an IF signal detection circuit 6 enters a PCM decoder 10 via a BPF 8 and a PSK demodulation circuit 9. When the C/N is deteriorated and missing due to noise takes place in a digital audio signal, an error flag signal EF being the result of discriminating the error due to the missing is fed from the decoder 10 to an integration circuit 12. The signal integrated for a prescribed period is subjected to level adjustment, the signal enters the circuit 6 as a band width control signal CN via a switch circuit 14 turned on when the error flag reaches a prescribed level or over, the IF band width is made narrow in response to the quantity of noise thereby eliminating the noise. Thus, the broadcast with high picture quality and high sound quality is obtained automatically.
Patent JP-S62248018-A (JP)
Title: Timing control method
Inventor: MUKAI TOSHIO
IPC: G06F9/46
Filed: 1986-04-22
Abstract: PURPOSE:To make it unnecessary to execute an exclusive control which follows use of a timer, and to minimize a processing overhead by providing a storage means and a registering means on every user, and also, providing a time counting means and a deciding means so as to peculiar to a system. CONSTITUTION:A storage means 1 for storing a time-out time which has been shown by an absolute time, and a registering means 2 for registering the time- out time to the means 1 are provided on every user. Also, a time counting means 4 for managing the absolute time, and a deciding means 4 for subtracting a result of time counting of the means 3 from the time-out time, and deciding an arrival of the time-out time are provided so as to peculiar to a system. In this state, in case a time counting request has been generated in each user, first of all, the time-out time is generated from a result of time counting, and this time-out time is registered to the means 1 through the means 2. Subsequently, the time-out time which has been registered first to the means 1 is read out and inputted to the means 4, and from the means 4, a result of decision is informed. In this way, an exclusive control which follows use of a timer is not required, and also, a processing overhead can be minimized.
Patent JP-S60240023-A (JP)
Title: Sealing device of face plate for electrostatic deflection type image pickup tube
Inventor: ISHIDA MINORU
IPC: H01J9/26
Filed: 1984-05-11
Abstract: PURPOSE:To match the position of a filter and a deflecting electrode with accuracy in a short time by providing a light emitting element in the position of a lower jig corresponding to one side of a through window of an electrode portion in the state of matching the angle of a filter and a deflecting electrode, and providing a light receiving element in the position of the lower jig corresponding to the other side. CONSTITUTION:A deflecting bulb 1 is inserted into a lower jig 8 and an exhaust tube portion 18 is mounted to the output shaft of a motor 19 and the motor 19 is rotated. Whereby the deflecting bulb 1 is rotated. At the time, one through window 12 corresponds to a light emitting element 14 and the other through window 13 corresponds to light receiving elements 15, 16 and the outputs of the two light receiving elements 15, 16 are inputted to a differential amplifier 17 and the difference is inputted to the motor 19 to control the rotation of the motor 19. And the motor 19 stops at the position where the difference of the two light receiving elements 15, 16 become zero. Whereby the angle of the filter provided in the face plate which is held on the upper jig and the deflecting electrode 2 of the deflecting bulb 1 is accurately in accord.
Patent JP-S61250998-A (JP)
Inventor: OKOCHI SADAO
IPC: H05B41/24
Filed: 1985-04-30
Abstract: (57)【要約】本公報は電子出願前の出願データであるた め要約のデータは記録されません。
Patent JP-S5619376-A (JP)
Title: Static switch
Inventor: ICHIKAWA TSUNEO
IPC: H03K17/725
Filed: 1979-07-24
Abstract: PURPOSE:To miniaturize a static switch while decreasing heat loss in case of conduction by a mechanism wherein an arc extinguishing circuit consisting of a capacitor and a reactance connected in common and a pair of thyristors is connected to thyristors connected in reverse-parallel shapes. CONSTITUTION:Thyristors Thl, Th2 are connected between terminals a, b to be switched in reverse-parallel shapes. A capacitor C1 and a reactance L1 are made common, and thyristors Th3, Th4 and diodes Rf1, Rf2 are connected. When supplying ignition signals to the thyristors Th1, Th2, a portion between a and b is short- circuited. In order to break a static switch, the ignition signals to the thyristors Th1, Th2 are interrupted while the thyristor Th3 is ignited, the capacitor C1 is discharged, the thyristor Th1 is arc-extinguished, and the thyristor Th4 is similarly ignited and Th2 is arc-extinguished.