baber/WOPTO huggingface dataset:
Patent JP-H11274328-A (JP)
Title: Nonvolatile semiconductor storage device and its manufacture
Inventor: KAWAKAMI KAZUYUKI
IPC: H01L21/8247
Filed: 1998-03-26
Abstract: PROBLEM TO BE SOLVED: To suppress the malfunctions of a nonvolatile semiconductor storage device, which occurs when data are written in the storage device. SOLUTION: A nonvolatile semiconductor storage device is provided with a floating gate 4 formed on a silicon substrate 1 with a first silicon oxide film 32A in between, a tunnel oxide film 32 which covers the floating gate 4, and a control gate 33 formed to overlap one end section of the floating gate 4. The bottom section of the control gate 33 is in contact with the lower end section of the floating gate 4 in a recessed section 31 formed into the silicon substrate 1.
Patent JP-H01251226-A (JP)
Title: Display system
Inventor: SHIBAYAMA SHIGEKI
IPC: G06F3/048
Filed: 1988-03-31
Abstract: PURPOSE:To reduce a response time by constituting the title system so that when a response result is derived by a displayable quantity of a response display area, the response result is displayed on a response display area, and also, an input from a user which has used an input display area can be received. CONSTITUTION:An input from a user is received by an operation receiving part 5, and displayed on a window A by a display control part 6. When an instruction from the user shows a retrieval of a data base 1, the instruction is sent to an operation executing part 7. The operation executing part 7 inquires the number of displayable lines of the displayed window, and when a result of retrieval is displayed on a window B, the display control part 6 sends a value of, for instance, 40 lines to the operation executing part 7. When a result of retrieval of a 40 line portion is derived, the operation executing part 7 suspends once the retrieval of the data base, sends the result of retrieval to the display control part 6 and displays it on the window B, and also, outputs immediately an instruction for receiving the next input to the operation receiving part 5. In such a way, the response time can be reduced.
Patent JP-H05243861-A (JP)
Title: Wide band amplifier circuit
Inventor: NISHIYAMA SEIICHI
IPC: H03F3/30
Filed: 1992-02-29
Abstract: PURPOSE:To effectively avoid deterioration of a frequency characteristic caused by a phase shift by constituting the circuit so that phases of a first or a second differential output and an inversion output signal or a same phase output signal inputted to a single end push-pull output stage become an opposite in phase relation to each other. CONSTITUTION:A Gilbert amplifier 11 outputs the same phase output signal V3 and an inversion output signal V4 subjected to gain G multiple obtained by an expression I with respect to an input signal Vin, to a push-pull output stage 12. The output stage 12 is cascade-connected to a differential pair of transistors(TR) Q13, Q14, and constituted of NPN TRs Q15, Q16 for constituting the differential pair 15 and an NPN TR 17 cascaded to the TR Q15. To the TR Q15 and Q17, an idling current Iout is given from a current source 18, and they are push-pull-driven by the inversion output signal V1 and the same phase output signal V3 whose phases are opposite to each other. That is, the TR Q15 drives the load capacity C attached to the output stage by a voltage output, and an the other hand, the TR Q17 drives the load capacity C by a current output whose phase is opposite to the signal V1. Accordingly, deterioration of a phase shift frequency characteristic is avoided.
Patent JP-S61237554-A (JP)
Title: Multiplex transmission equipment
Inventor: KINOSHITA IKURO
IPC: H04L12/42
Filed: 1985-04-12
Abstract: PURPOSE:To simplify the circuit by making the primary station connected in loop to plural secondary stations issue polling signal and data signal and making the secondary station receive that data only when it is polled then polle the low-order station. CONSTITUTION:Plural number of secondary stations 2-5 are connected in loop to a primary station 1 by two-core transmission line 6. The primary station outputs polling signal from its output terminal 1-0, and then sends out data signal sequentially. The secondary station 2 takes in the poling signal, and if it is designated, it receives the data signal. If it is not designated, it transfers the polling signal and data sent from the high-order station to the low-order station. In such a way, the multiplex transmission is executed by a simple circuit.
Patent JP-H10250826-A (JP)
Title: Fruit and vegetables rotating device
Inventor: ISHII TORU
IPC: B65G15/12
Filed: 1997-03-12
Abstract: PROBLEM TO BE SOLVED: To change the direction of fruits and vegetables without changing the number and layout of conveying means by imparting rotation to the peripheral surface of the fruits and vegetables placed on a conveying means, in a direction changing direction, above the conveying means for conveying the fruits and vegetables. SOLUTION: Fruits and vegetables A placed between rotors 25... of a sorting conveyor 4 are direction-changed by a longitudinal rotating machine 56 and a horizontal rotating machine 57 of a fruits and vegetables rotating device. The nearly whole peripheral surface of the fruits and vegetables A can therefore be inspected, and inspection work and sorting work by grades of the fruits and vegetables A can be performed accurately so as to improve judging accuracy and sorting accuracy. The fruits and vegetables rotating device can therefore be used as a device for changing the direction of the fruits and vegetables conveyed by a roller conveyor, a belt conveyor, or the like, or used for a fruits and vegetables sorting device for sorting the fruits and vegetables A by grades. The device can be installed easily without changing the number of layout of sorting conveyors 4.
Patent JP-2000274389-A (JP)
Title: Self-priming pump
Inventor: KONO HARUHIKO
IPC: F04D9/02
Filed: 1999-03-24
Abstract: PROBLEM TO BE SOLVED: To miniaturize the device with a small circulating quantity and energy saving by providing a circulating water passage for circulating a gas-liquid separated fluid to the suction port of an impeller, and providing a flow regulating means thereon. SOLUTION: This self-priming pump has a flow regulating means 13 for regulating the flow rate of the water carried into a circulating hole 10 from a gas-liquid separation chamber 6. The flow rate is set to zero so a to eliminate the clearance between a movable valve 14 and the inlet of the circulating hole 10 to the pressure difference generated in the transfer from a self-priming operation state to an ordinary operation state, whereby the wasteful circulation is eliminated, and the deterioration of performance in the ordinary operation can be suppressed. The flow regulating means 13 can be constituted by use of a part of a seal member 12, the self-priming pump can be constituted with a small size at a low cost without increasing the number of components.  Further, since the quantity of only the liquid component passing the circulating hole 10 is regulated according to self-priming operation and ordinary operation, the shortening of self-priming time and the improvement of the efficiency in ordinary operation can be reconciled.
Patent JP-H05242453-A (JP)
Title: Magnetic recording medium
Inventor: ECHIZEN KENJI
IPC: G11B5/735
Filed: 1992-02-29
Abstract: PURPOSE:To smoothen the surface of a back coat layer and to obtain a magnetic recording medium having low frictional property and stable running property by incorporating spherical monodisperse fine titanium oxide particles produced by a sol-gel process and carbon black into the back coat layer. CONSTITUTION:This magnetic recording medium has a magnetic layer 2 on one side of the nonmagnetic substrate 1 and a back coat layer 3 on the other side. The back coat layer contains spherical monodisperse fine titanium oxide particles produced by a sol-gel process and carbon black. Since the fine titanium oxide particles have almost perfect monodispersibility and is satisfactorily dispersed in a coating material for the back coat layer 3, the surface of the back coat layer 3 is smoothened and the falling of powder from the surface is suppressed.
Patent JP-S58196714-A (JP)
Title: Tuning circuit
Inventor: TADOKORO KENJI
IPC: H03J5/00
Filed: 1982-05-13
Abstract: PURPOSE:To integrate a control circuit by using a transistor (TR) switch for the selection of capacitors to be connected to an inductance element in parallel. CONSTITUTION:MOS Transistors (TR)30-37 are provided corresponding to capacitors 20-27. The capacity of each capacitor is weighted according to P- scale notation (P; natural number greater than 2) and capacitors to be connected to the inductance in parallel are selected by a control signal applied to control terminals 40-47.
Patent JP-S62236384-A (JP)
Title: Driving apparatus
Inventor: SOYA TAKASHI
IPC: H02P8/00
Filed: 1986-04-08
Abstract: PURPOSE:To smoothly raise a motor from the starting time to a normal rotation time by intermittently supplying power to a stepper motor, and variably setting the ON time of the power supplied on the basis of a load state. CONSTITUTION:A stepper motor 1 has 4-phase exciting coils. An MPU 2 is connected through drivers 3-6 with transistors 7 10 for exciting the phases of the motor 1, and further connected with switching transistors 17, 18 for intermittently supplying power through drivers 15, 16 to the motor 1. The ON times of the transistors 17, 18 are variably set on the basis of a load state applied to the motor 1.
Patent JP-H05282632-A (JP)
Title: Formation of round shape
IPC: B21D28/14
Filed: 1992-04-01
Abstract: PURPOSE:To provide the method for forming a round shape which can form the edge part of a window part provided on the upper drum of a magnetic recording and reproducing device constituted by using a rotary head to the round shape with good accuracy and a stable shape. CONSTITUTION:The upper drum 1 is positioned by inserting a positioning shaft 9 provided on a holding jig 7 into a positioning hole provided in the upper drum 1. The upper drum 1 is fixed to the holding jig 7 by a retaining disk 11 and a lock screw 12. A punch 6 is fixed to the moving side of a press device and the holding jig 7 is fixed onto the table of the press device. The punch 6 is press fitted to the window part 2 of the upper drum 1 by the press device and transfers the round shape 4 previously formed on the punch 6 to the edge part of the window part 2 of the upper drum 1. The edge part of the window part provided on the upper drum is formed to the round shape with the good accuracy and the stable shape according to this method.
Patent JP-H09243850-A (JP)
Title: Optical fiber array
Inventor: MATSUMURA FUMIO
IPC: G02B6/24
Filed: 1996-03-07
Abstract: PROBLEM TO BE SOLVED: To make it possible to produce fixing members for optical fiber arrays only by simple machining and chemical etching alone and to produce the low- cost optical fiber arrays in a large quantity by forming the fixing members of the two independent fixing members. SOLUTION: A fixing plate is divided to a fixing plate 1 and a fixing plate 2. The fixing plates 1, 2 are formed by simple flat plate working to have the accuracy of the plate thickness and are then subjected to grooving according to the diameters of an optical fiber 3 and a coated optical fiber 4, respectively. The grooving may be machining or chemical etching. The fixing plates 1, 2 are joined by using a jig b-1, and the optical fiber 3 and the coated optical fiber 4 are placed on the joined fixing plate to assemble an optical fiber assembly. Namely, the optical fiber 3 and the coated optical fiber 4 are placed respectively on the fixing plates 1, 2 and the respective end faces are joined by an adhesive. The entire part is fixed by using an adhesive 5 while the entire part is retained by an optical fiber retaining plate 6.
Patent JP-S556878-A (JP)
Title: Semiconductor luminous device
Inventor: MATSUI KAZUTO
IPC: H01S5/00
Filed: 1978-06-29
Abstract: PURPOSE: To obtain output lights in flat strength distribution, by preventing the reflection of lights for control to the output light side by forming a light receiving surface of a light transmission portion material, which guides the lights for control emitted from an active range of a semiconductor luminous element to a controller, in a convex-surface shape.  
     CONSTITUTION: A light receiving surface of a photo-fiber 1a is hemispherical. Output lights 7 and reflected lights 8c are not stacked because the reflected lights 8c are not reflected in the output light 7 direction even if one portion of lights 8 for control is reflected by a hemispherical end surface of the photo-fiber 1a and changed into the reflected lights 8c. The quantity of lights introdueced into the photo-fiber 1a also increases as compared to the case when the light receiving surface is flat because the light receiving surface is hemispherical. Thus, the strength of the output lights 7 can easily be controlled because the output lights 7 show flat strength distribution. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-H08251244-A (JP)
Title: Carrier regenerating circuit
Inventor: CHIBA KENICHIRO
IPC: H04L27/227
Filed: 1995-03-11
Abstract: PURPOSE: To reduce a tap updating arithmetic processing amount in an adaptive filter, to improve noise resistance characteristics and to perform high-speed leading-in in a carrier regenerating circuit provided with an adaptive bright line emphasizing device. CONSTITUTION: The tap of the adaptive filter 12 of the adaptive bright line emphasizing device 1 is divided into plural blocks, the switches of a switching circuit 4 corresponding to the respective blocks are selected by a coefficient updating control circuit 3 and the tap updating of the selected block is executed by an adaptive algorithm circuit 13. Since only the tap of the selected block is updated without always simultaneously updating all the taps for respective symbol cycles, even though the adaptive speed of the adaptive bright line emphasizing device is lowered, the adaptive bright line emphasizing device of a narrower band is constituted. Also, by changing the number of blocks to be selected based on frame synchronization information, the number of blocks to be selected is reduced before establishing frame synchronization and the high-speed leading-in is realized.
Patent JP-2000274251-A (JP)
Title: Plate fin type heat exchanger
Inventor: NOGUCHI MASAHIRO
IPC: F28F1/12
Filed: 1999-03-24
Abstract: PROBLEM TO BE SOLVED: To provide a plate fin type heat exchanger satisfactory in heat conduction efficiency allowing improvement in heat exchange efficiency without a change in size of the heat exchanger. SOLUTION: In this plate fin type heat exchanger, plural heat transmission plates 5a, 5b are stacked opposite to each other to form gaps 5c, 6c provided with fin plates 5f, 6f, while a first fluid Ah and a second fluid Ac to exchange heat are alternately communicated the gaps 5c, 6c to exchange heat. The fin plate 5f provided in the gap 5c, through which at least the first fluid Ah of the first and second fluids Ah, Ac passes is formed with wide connection parts 5p brought into face-to-face contact with the heat transmission plates 5a, 5b, and slant fin parts connecting with the wide connection parts 5p, parallel to each other, and slant to the heat transmission plates 5a, 5b, while the slant fin parts form the sidewalls of the communicating flow cell (gap) 5c.
Patent JP-S564941-A (JP)
Title: Transmission frequency control system
Inventor: YAMAMOTO ITSUROU
IPC: H03J7/02
Filed: 1979-06-26
Abstract: PURPOSE:To attain utilization for a transmitter of the microwave band, etc., by making it possible to stabilize a trasmission frequency with simple circuit constiution by providing a phase comparator for control over the oscillation frequency of a modulating oscillator. CONSTITUTION:The 2nd oscillator 10-2 generating fixed difference frequency fd is provided and its reference frequency output is supplied to one input of phase comparator 11. On the other hand, the 1st oscillator 10-1 generating local oscillation frequency f1 is also provided. Difference frequency fd=ft-f1 (provided that ft is a transmission frequency) is extracted by modulator 9 and amplified at 4-2 and its output is applied to the other input of comparator 11, which generates a comparison output according to a phase difference between both the inputs, thereby controlling the oscillation frequency of oscillator 2 directly. Namely, the oscillation frequency of oscillator 2 is controlled with a DC voltage obtained from comparator according to the fluctuations of frequency ft to obtain a center frequency, so that the stabilization of frequency ft will be secured.
Patent JP-S61238538-A (JP)
Title: Vehicle running control device
Inventor: FUJII MASAHIKO
IPC: B60W10/10
Filed: 1985-04-15
Abstract: PURPOSE:To make possible to forcibly select an auxiliary transmission to a high-speed range when a low-speed range where engine brake is ineffective is selected, by providing a manual switch for switching the auxiliary transmission from an automatic mode to a manual mode by manual operation. CONSTITUTION:A vehicle running control device 31 includes a high-speed range selecting circuit 32 for switching an auxiliary transmission to a high-speed range irrespective of a condition of a control circuit 8. The circuit 32 includes a manual switch 33 adapted to be closed so as to switch the auxiliary transmission from an automatic mode to a manual mode, a vehicle speed switch 34 adapted to be closed when a vehicle speed exceeds a predetermined speed, and an OR gate circuit 35 through which the switches 33 and 34 are connected to one of input terminals of a NAND gate circuit 36 interposed between a control circuit 8 and an amplifier 17. If the control circuit 8 is troubled, and a low-speed range where engine brake is ineffective is selected, the manual switch 33 is operated to forcibly switch the auxiliary transmission to a high- speed range.
Patent JP-H02256508-A (JP)
Title: Vehicle fluid pressure supplier
Inventor: FUKUNAGA YUKIO
IPC: B60G17/015
Filed: 1989-03-30
Abstract: PURPOSE:To get flow quantity required for the maintenance of vehicle-height by increasing discharge flow from a pump when a predetermined low temperature condition and a stoppage condition or an extremely slow speed travelling condition is judged, in a fluid pressure supplier for an active suspension. CONSTITUTION:An active suspension 6 is provided with a hydraulic cylinder 10 and a pressure control valve 12 provided between a car body 2 and a wheel 3. The pressure control valve 12 controls the rolling and pitching of the car body calculated in a posture control circuit 16 to which an output of an acceleration sensor is input and also the pressure of pressurized oil supplied to the hydraulic cylinder 10 from a hydraulic pressure supplier 8 and controlled according to a command value for damping up-and-down vibration. The hydraulic pressure supplier 8 has two hydraulic pumps 34A, 34B, the secondary hydraulic pump 34B having relatively small capacity is connected to a supplying pipe 38a via an electromagnetic directional control valve 40 controlled by a discharge quantity control circuit 42 at the time of a predetermined low temperature and stoppage or extremely slow travelling.
Patent JP-H03278519-A (JP)
Title: Chemical detection mechanism of chemical applicator
Inventor: IWAMI SATOSHI
IPC: B05C5/00
Filed: 1990-03-28
Abstract: PURPOSE:To enable sensing the defective discharge of chemicals, i.e., defective application thereof and as a result to obtain a detection mechanism, which can reduce a product fraction defective in a semiconductor device, by having an optical detector for detecting the discharge rate of chemicals directly under the chemical discharge nozzle of a chemical application part. CONSTITUTION:Directly under the chemical discharge nozzle 2 of the application part 3 of a chemical applicator for applying chemicals 1 to a semiconductor substrate 4, an apparatus has optical detectors 5, 6 for detecting the discharge rate of the chemicals 1. For example, optical detector light-emitting part 5 and light-receiving part 6 for chemicals detection with the chemicals 1 discharged from the chemical nozzle 2 between are installed directly under the chemical nozzle 2, respective two types are provided for both light-emitting part 5 and light-receiving part 6 so that laser light 7 can be applied from the light-emitting part 5 with the space of width L, and the width L is a diameter at the time of regarding the chemicals 1 discharged normally from the chemical nozzle 2 as a cylinder. Further, the light of the detector is shielded when the discharge operation of chemicals is performed normally. Therefore, it is confirmed by the use of electric information that light-shielding of the detector is performed for the expected chemical discharge period.
Patent JP-S60222747-A (JP)
Title: Method for testing roll angular corugation forming processability of film on coated metal plate
Inventor: TAKAYASHIKI TAKESHI
IPC: G01N19/00
Filed: 1984-04-19
Abstract: PURPOSE:To make it possible to quantitatively grasp the scratch generation degree on the film when the roll angular corugation forming is subjected to processing, by bringing a rotary metal wheel different in a peripheral speed into tangental contact with one point of the film surface on a metal plate during rotation so as to apply required load thereto. CONSTITUTION:The test piece 3 of a coated metal plate is placed on and fixed to the turntable 2 rotated by a motor 1 so as to upwardly direct the film surface 3a thereof. The chromium plated metal wheel 6 rotated by a motor 5 so as to provided required peripheral speed difference from the rotary peripheral speed of the test piece 3 is brought into tangential contact with one point on the rotary circumference of the film surface 3a so as to apply press load W thereto. The damage degree in the film surface 3a, when the turntable 2 is rotated in said state predetermined times, is inspected to test the roll square wave forming processability of the film. By this method, the scratch generation degree can be quantitatively and well grasped even to a small test piece.
Patent JP-S60224132-A (JP)
Title: Focus detector
Inventor: KOBAYASHI SHIYOUHEI
IPC: G11B7/09
Filed: 1984-04-23
Abstract: PURPOSE:To detect the focusing error amounts symmetrical between front and rear focuses based on a focused position by distributing four photodetecting elements forming a photodetector approximately in proportion to the lengths of long and short axes of an oval beam spot whose photoelectric output is projected on the photodetector. CONSTITUTION:The luminous flux given from a laser diode 21 is projected in the form of microspots on a recording medium 25 where information pits are formed via a polarized beam splitter 22, etc. The reflected light of the medium 25 is made incident on a cylindrical lens 26 serving as an astigmatic element from the splitter 22 and then receives a lens function in the direction X vertical to a cylinder axis Y of the lens 26 to be turned into an oval beam. This oval beam is made incident on a photodetector 27. The detector 27 contains four rectangular photodetecting elements 27a-27d. A circular beam spot 30 is projected on the detector 27 when the medium 25 is set in a focused state; while oval beam spots 32 and 31 are projected on the detector 27 in the front and rear focus states respectively.