baber/WOPTO huggingface dataset:
Patent JP-H08307273-A (JP)
Title: D/a converter circuit
Inventor: NORO MASAO
IPC: H03M1/74
Filed: 1995-05-08
Abstract: PURPOSE: To provide the D/A converter circuit in which number of bits is simply extended without enlarging in scale. CONSTITUTION: The D/A converter circuit is provided with a D/A converter 1 receiving high-order 14-bit data among 16-bit digital data and a current mirror circuit 3 generating constant currents I2, I3 corresponding to digital data of low-order 2-bit. An output of the current mirror circuit 3 is switched by a current changeover circuit 4 and the selected output is added to an output of the D/A converter 1 by a voltage follower circuit 2. The currents I2, I3 corresponding to the low-order 2-bit are set to be I2=2×I3 depending on the size of transistors(TRs) Q2, Q3.
Patent JP-H02312084-A (JP)
Title: Tape cassette
Inventor: HONJO HIRONORI
IPC: G11B23/087
Filed: 1989-05-29
Abstract: PURPOSE:To prevent a tape from damaging by providing a front lid which covers the front surface of the tape and a back lid which covers the back surface of the tape. CONSTITUTION:The front lid 2 which covers the front surface of the magnetic tape 6 is supported pivotally on a cassette case 1 on a couple of front lid rotary support shafts 2a provided on both the right and left side plates 12 of the front lid 2. Further, the front lid 2 is energized in its lid closing direction at all times by a front lid energizing spring 7 provided on one support shaft 2a. The back cover 5 which covers the tape 6 from behind is supported pivotally in holes 2b of a couple of bracket parts 2d of the front lid 2 by both right and left shafts 5a of the back lid 5. Then the back lid 5 is energized toward the front lid by a back lid energizing spring 8. Guide grooves 9 for guiding guide pins 5b almost at both ends of the back lid 5 are formed at both right and left ends of the opening part 4 of the case 1 and a cut 1a is formed in the wall facing the opening part 4. Then when the lid is closed, the projection part 5c of the back lid 5 engages the cut part 1a to inhibit the front lid 2 from rotating. Consequently, the simple constitution improve dust protection for the tape and eliminates tape damage.
Patent JP-S5924424-A (JP)
Title: Magnetic head
Inventor: WATANABE MAKOTO
IPC: G11B5/23
Filed: 1982-08-02
Abstract: PURPOSE:To obtain a magnetic head which has stable recording and reproducing characteristics for a long period, by protecting corner parts of a magnetic body forming a magnetic core by a hard protecting film. CONSTITUTION:An alumina sputtered film 6 is stuck to a conrer part 11 which is a rear part of a ferrite magnetic body 1' in the relative running direction of a magnetic recording medium 5. Alumina is a nonmagnetic body with high hardness. The holding of its shape is very important with regard to functions of a head, and this alumina is stuck to the corner part 11 having the wear and damage with high probability, so even if an external wear or damage factor is applied to the facing surface 4 of the head with a disk medium, the corner part 11 is protected, thereby holding the shape of the corner part 11 of ferrite which is a magnetic body even if the alumina film is damaged.
Patent JP-H10323253-A (JP)
Title: Expansion type stair seat
Inventor: YAMAZAKI RYOKICHI
IPC: E04H3/12
Filed: 1997-05-26
Abstract: PROBLEM TO BE SOLVED: To provide an expansion type stair seat applicable even to floor bases of a small height difference, preventing contamination on a seat surface and capable of using low cost chair. SOLUTION: An expansion type stair seat is provided with plural stages of floor bases 2 which are moved in a horizontal condition between forward positions where they are deflected from each other like stairs and retraction positions where they are vertically set in line, and plural chairs 3 installed on the floor bases 2. In this case, a bracket bearing member 7 is provided on each floor base 2 to connect each chair 3 to the floor base 2 to be rotatable around an axial line of a support shaft 7a extended in parallel to a forward end part around the forward end part of the floor base 2, and the bracket bearing member 7 is connected to the floor base 2 in such a way that each chair 3 is rotatable between a usage position where its seat surface is directed upward and a stand-by position where its seat surface is directed downward as its chair form is maintained. The chair 3 is positioned to be protruded forward the forward end part of the floor base 2 at the stand-by position.
Patent JP-S63299336-A (JP)
Title: Pattern formation
Inventor: ENDO MASATAKA
IPC: G03F7/00
Filed: 1987-05-29
Abstract: PURPOSE:To form a resist pattern with a high aspect ratio and high resolution, by coating a substrate with photosensitive resin, prebaking it, irradiating it with far-ultraviolet rays, performing a desired pattern exposure, and developing it. CONSTITUTION:After a positive photosensitive resin 2 is spread on a semiconductor substrate 1, and subjected to hot plate baking, a resist firm 2 is obtained. The whole part of the resist film 2 is irradiated with far-ultraviolet rays 3. A desired pattern is exposed, via a mask 4, by a reduction projection aligner. A resist pattern 2A is formed, by paddle developing of 60 sec. applying alkali developer. Thereby, the pattern 2A is formed with a high aspect ratio and high resolution.
Patent JP-S5836860-A (JP)
Title: Sorter available for displaying distribution state of sheet
Inventor: IWASAKI SHINICHI
IPC: B65H39/11
Filed: 1981-08-28
Abstract: PURPOSE:To enable readily recognizing the distributing condition of sheets in such a way that display of the displaying part which is installed in response to each bin member is selected while it is done in association with the movement of a moving member which is moved in response to the sheet inserting  part of a bin member. CONSTITUTION:With the progress of duplication, moving members 181, 182 are sent down, and sheets are distributed into all the bins. A protruded part 183 is provided on the moving member 182, which is engaged with a microswitch 21 or 22, by which a light emitting diode 23 or 24 is lighted up. In other words, with the movement of the moving members 181, 182, for example, when the bin 5 becomes distributable, a lamp 24 in response to the bin 5 is lighted up, so that it helps an operator to recognize what ordinal numbered bin he is about to  distribute.
Patent JP-H05336666-A (JP)
Title: System interconnection
Inventor: SAKATA SUEO
IPC: H02J3/38
Filed: 1992-05-27
Abstract: PURPOSE:To realize quick parallel off of power system and power converter in a system interconnection wherein an inverter and a co-generation are interconnected to feed power to loads. CONSTITUTION:Inherent variation frequency of a co-generator 23, appearing on an AC voltage to be fed to a load 8 upon parallel off of a branch switch 6, is extracted by means of a frequency variation detector 24 and a bandpass filter 25 and positive fed back through a phase control circuit 17 to a dead band circuit 26 and an amplifier 27 in order to increase frequency variation of an inverter 12. When a frequency abnormality detector 22 detects that the frequency variation exceeded a prescribed level, an interconnection switch 11 is opened to parallel off a power converter 10 from a power system 1.
Patent JP-H05328369-A (JP)
Title: Beam index tube device
Inventor: TSUCHIYA MICHITOSHI
IPC: H04N9/24
Filed: 1992-05-27
Abstract: PURPOSE:To simplify focus adjustment and adjustment for reducing the distortion of a beam spot shape by forming an adjustment signal for a dynamic focus signal from a dynamic spot shape compensating signal and synthesizing the adjustment signal with the dynamic focus signal. CONSTITUTION:A beam spot shape compensating signal 9 is supplied from a double quadrupole driving circuit 5 to an arithmetic circuit 6 and the circuit 6 forms an adjusting signal for compensating the defocusing of a beam at the time of adjusting the signal and applies the formed signal to an adder 7, which adds the adjustment signal to a dynamic focus signal 8 applied from a dynamic focus circuit 4. When the circuit 5 is adjusted after executing focus adjustment and the spot shape compensating adjustment so that the distortion of a beam spot shape on the whole screen of a CRT 1 is most reduced, all beams on the whole screen are focused.
Patent JP-H10326972-A (JP)
Title: Wiring board for mounting circuit and mounting circuit device
Inventor: OHIRA HIROSHI
IPC: H05K1/18
Filed: 1997-05-26
Abstract: PROBLEM TO BE SOLVED: To provide a wiring board for a mounting circuit wherein effective electromagnetic shielding is enabled by using a simple means of low cost, and a mounting circuit device. SOLUTION: A wiring board for a mounting circuit is provided with the following; a wiring board main body 4 which has a mounting region of a semiconductor element 5 on at least one main surface and is equipped with a ground layer 6, an electromagnetic shielding layer 7 whose mounting region of the semiconductor element 5 is opened and which is correctively laminated and arranged on the one main surface of the wiring board main body 4 via an adhesive insulating resin layer 8, and a conducting part 9 which electrically connects the shielding layer 7 with the ground layer 6.
Patent JP-S5660270-A (JP)
Title: Handy printer
Inventor: HORIE MASANAO
IPC: B41J3/36
Filed: 1979-10-22
Abstract: PURPOSE: To facilitate carrying of the printer by making the same equipped within a case housing a keyboard, an indicator, a printer, a controlling part, etc.  
     CONSTITUTION: An attache case 1 is equipped, inside thereof, with a keyboard 2 provided with an input key, an indicator 3 indicating the input from the keyboard 2, a figure indicator 4 indicating the number of indicated figures of the data indicated by the indicator 3, a printer 5 having larger printing figures than the aforesaid indicator 4 and printing the data inputted from the above-mentioned keyboard and a controlling part 6 which divides the data to be indicated when the figures of the data inputted from the keyboard 2 exceed the figures indicated by said indicator and makes the same indicated by the indicator 3, and these units are constituted so that they can be housed in one case. When the printer 5 is on line, the data indicates the content thereof in the indicators 3 and 4 through the intermediary of the controlling part 6 and makes printing in the printer 5. 
     COPYRIGHT: (C)1981,JPO&Japio
Patent JP-S62290860-A (JP)
Title: Carburizing and hardening apparatus
Inventor: TOMITA HIROSHI
IPC: F27B19/04
Filed: 1986-06-11
Abstract: PURPOSE:To considerably improve the quality of a treated product and the efficiency of treatment by separately placing a plasma carburizing furnace provided with a high frequency coil for diffusion heating and a high frequency hardening furnace side by side so that carburization and hardening can be carried out in parallel with each other. CONSTITUTION:A body W to be treated is conveyend into a plasma carburizing furnace 1 provided with a high frequency coil 14 for diffusion heating. In the furnace 1, the body W is subjected to plasma carburization by high frequency heating. The body W is then taken out of the furnace 1 in a way reverse to the conveying way and conveyed into a high frequency hardening furnace 2 placed separately from the furnace 1 side by side. The body W hardened in the furnace 2 is taken out of the furnace 2 in a way reverse to the conveying-in way.
Patent JP-S63107930-A (JP)
Title: Drug containing 9,10-seco-5,7,10(19)-pregnatriene derivative as active ingredient
Inventor: MIYAMOTO KATSUHITO
IPC: A61P35/00
Filed: 1987-05-29
Abstract: PURPOSE:To obtain an agent for introducing differentiation of tumor cell, having low influence on calcium metabolism in organisms, by adding 9,10-seco-5,7,10(19)- pregnatriene derivative as an active ingredient. CONSTITUTION:A novel 9,10-seco-5,7,10(19)-pregnatriene derivative shown by the formula (R1, R2 and R3 are H or OH; R4 is 4-8C lower alkyl which may be replaced with H or OH) as an active ingredient is pharmaceutically manufactured into the form of oral agent, injection etc., by a conventional procedure to give the aimed substance. A dose is 0.01-10mug, preferably 0.1-5mug per adult daily. An agent for introducing differentiation of tumor cell, to be concrete, is effective for treating tumor such as myelogenic leukemina, etc. The compound shown by the formula, for example, is synthesized from pregnenolone or dehydroepiandrosterone as a raw material.
Patent JP-S5562808-A (JP)
Title: Magnesia clinker
Inventor: TAKAMIYA YOUICHI
IPC: C04B35/04
Filed: 1978-11-02
Abstract: PURPOSE: To provide magnesia clinker having superior corrosion resistance to low basicity slag by specifying the compsn. and physical properties.  
     CONSTITUTION: The magnesia clinker satisfies the following compsn. conditions (a)W(e) and bulk specific gravity condition (f): (a) a MgO content of 90% or more, pref. 92% or more, (b) a CaO to SiO 2 Fe 2 O 3  wt. ratio of 4 of less, pref. 1 or less, (c) a CaO to SiO 2  wt. ratio of 1.4 or more, pref. 3 or more, (d) a Fe 2 O 3  content of 0.5% or more, pref. 2W3.5%, (e) oxides other than MgO, CaO, Fe 2 O 3  and SiO 2  are contained by 1% or less, pref. 0.7% or less, and (f) a bulk specific gravity of 3.3 or more, esp. 3.35 or more. This clinker can be obtd. by adding slaked lime to sea water after which the resulting magnesium hydroxide is component- adjusted in a mill with slaked lime and iron oxide, filtered, and calcined. 
     COPYRIGHT: (C)1980,JPO&Japio
Patent JP-S62291784-A (JP)
Title: Storage device
Inventor: FURUI TOSHIYUKI
IPC: G11C7/00
Filed: 1986-06-11
Abstract: PURPOSE:To improve use efficiency of a data line and the through-put by alternately using a shared action-instruction and an address information interface for reading/writing, and executing two cycles of action with one action- instruction. CONSTITUTION:If a request is transmitted to the unit, and a bank to be started is determined, a start output 123-1 is transmitted. At a timing '0'(T=0), a start signal for reading is already stored in a #0 bank 25. This start signal is received by a start register 252, and transmitted to a timing circuit 254 from an output 262. From the timing circuit 252, a write data WD for a bank write data register 250 and a holding signal 265 to hold an address A in the bank of bank address register 251 during the duration of a cycle are outputted. In a read action(T=1-3), if a read data 263 in an address specified by the output 261 of a memory 251 is outputted at a timing T=3, a set signal 266 to a bank read data register 255 is transmitted from the timing circuit 254.
Patent JP-H05307327-A (JP)
Title: Method and device for detecting developer concentration
Inventor: KIKUCHI SUSUMU
IPC: G03G15/08
Filed: 1992-04-30
Abstract: PURPOSE:To provide a detecting method and the device thereof which always realize measurement with fixed bulk density 50 as to stably detect developer concentration over a long term. CONSTITUTION:The developer concentration at an accumulation part is not measured by a magnetic permeability sensor 10 merely while developer is cyclically stirred under a state that the developer is accumulated. However, the developer concentration is detected by the sensor 10 under the state that only the developer to be detected by the sensor out of the developer housed in a developing container 1 is magnetically held by a means obtained by arranging a pair of magnets 31 by facing the different poles thereof to each other by interposing the developer concentration detecting area of the sensor 10 in a fixed magnetic field where magnetic force is not changed.
Patent JP-H021199-A (JP)
Title: Inside-oven temperature setting method in use of hot air circulation type reflow device
Inventor: HAYASHI KEISUKE
IPC: B23K1/012
Filed: 1988-06-02
Abstract: PURPOSE:To use a device of this design in such a manner that it makes the most of the merit of a VPS method as much as possible and to operate it at a low cost by a method wherein a means, which detects a temperature of a circulating hot air, is provided, and an atmospheric temperature of the hot air is set to a prescribed temperature. CONSTITUTION:Air is made to circulate in each oven by a circulation device 12, and an air circulation speed is variable through a fan motor frequency inverter 16. Air is heated by a heater 13, and its temperature is detected by a temperature sensor 15, which is fed back to a heater output, so that a temperature inside the oven is saturated at a set temperature and a reflow heat is conducted from an atmospheric air to an electric wiring board and an electric component. And, two thing, where a hot air atmospheric temperature is set to a temperature required to melt solder and a speed of an air flow as a thermal medium is made variable to make a heat transfer coefficient large, enable a conventional hot air circulation device to serve as a saturated atmospheric temperature heating device. By these processes, an excellent temperature property of a VPS method can be employed at a low cost.
Patent JP-S5925872-A (JP)
Title: Liquid crystal composition
Inventor: AKIMOTO KAZUHIKO
IPC: G09F9/00
Filed: 1982-08-03
Abstract: PURPOSE:A liquid crystal composition, prepared by incorporating plural types of compounds expressed by specific formulas, having steep threshold value and improved display quality in multiple duty driving, and optionally setting the threshold voltage value while retaining the good angle of visibility. CONSTITUTION:A liquid crystal composition obtained by incorporating one or more compounds selected from the group of compounds expressed by formula I [R is CnH2n+1 (n is an integer 1-10)], e.g. a compound expressed by formula II, with a compound selected from the group of compounds expressed by formula III [R and R' are CnH2n+1 or O-CnH2n+1 (n is an integer 1-10)], e.g. a compound expressed by formula IV. USE:Time-sharing driving type liquid crystal display devices.
Patent JP-H10325310-A (JP)
Title: Drive control device of intake and exhaust valves of internal combustion engine
Inventor: GOTO TETSUAKI
IPC: F01L13/00
Filed: 1997-05-27
Abstract: PROBLEM TO BE SOLVED: To suppress a dispersion of an eccentricity of an annular disk caused by a deflection deformation of a control shaft and secure characteristics of a valve lift uniformly. SOLUTION: This device is equipped with a cylindrical cam shaft 11 divided per every cylinder at the periphery of a driving shaft 1 rotating synchronously with an engine, and the cam shaft 11 rotates at an unequal speed corresponding to an eccentric position of the annular disk 17 linking both motions. The annular disk 17 is fitted into a control housing 18 and kept with a free rotation. The control housing 18 is supported to be able to sway by the support shaft of an adjacent support housing 26 and moves eccentrically by an eccentric cam 36 of a control shaft 33. A bearing part 37 of a control shaft supporting the control shaft 33 is formed integratedly with a cam bracket, being off-set to an axial direction, and is located between the one cam 11a and the control housing 18.
Patent JP-H06345401-A (JP)
Title: Fuel modifying device
Inventor: IWASA NOBUHIRO
IPC: B01J8/02
Filed: 1993-06-08
Abstract: PURPOSE:To provide a smaller fuel modifier capable of exhibiting stable performances for a long period of time. CONSTITUTION:A modifying pipe 40 attached to a fuel modifier is removed while leaving a middle cylinder and the fuel modifier is equipped with plural modifying catalyst storage members 30 which have the top end connected to the left upper part of the middle cylinder and are mutually adjacently arranged along in the peripheral direction on the outside of an inner cylinder 5. Each modifying catalyst storage member 30 is equipped with a pair of end plates 31 having length wherein one side end is fixed to the surface of the inner cylinder 5 or the lower end is positioned apart from the bottom plate and the upper end is reached to the position of the left upper part of the middle cylinder and with a plane side plate 32 having both ends fixed to the other side end of the end plates 31. Space 33 formed between the middle cylinder and the inner cylinder 5 is charged packed with a granular modifying catalyst 14 to constitute the fuel modifier. In operation of the fuel modifying by heating with a heating element flowing inside the inner cylinder 5, heat from the heating medium is transferred from the inner cylinder 5  the end plates 31  the side plate 32 to heat them to an almost uniform temperature.
Patent JP-H01305691-A (JP)
Title: Color picture data recording and reproducing device
Inventor: MOTO TAKASHI
IPC: G11B20/00
Filed: 1988-06-02
Abstract: PURPOSE:To easily insert and detect an identifying signal by inserting a header to partition the picture of color picture data and a separator to partition the line of the color picture data as identifying signals at the time of recording the color picture data and detecting the header and the separator at the time of reproducing the color picture data. CONSTITUTION:When the color picture data are recorded on a magnetic tape 9, the header to partition the picture of the color picture data and the separator to partition the line of the color picture data are generated as the identifying signals and inserted into respective picture data of three primary colors at a header and separator inserting circuit 26. Namely, voice data are recorded on a first track, and respective pieces of information of RGB to be recorded on second through fourth tracks are made into data for one picture while the above-mentioned pieces of information are partitioned by interposing either the header or the separator in them and recorded with a PWM signal. When the recorded data are reproduced, for the picture data of one color out of the reproduced color picture data, the header or the separator inserted into the picture data is detected at a header and separator recognizing circuit 28. Thus, the identifying signal can be inserted and detected with a simple circuit.
Patent JP-H01308101-A (JP)
Title: Position detector
Inventor: MATSUHASHI TOSHIHIKO
IPC: B60L5/00
Filed: 1988-06-02
Abstract: PURPOSE:To enable positional detection of a moving vehicle without requiring an instrument such as a gyrocompass, by calculating positional information of the moving vehicle from the feeding amount and direction of a power cord. CONSTITUTION:A cord reel 2 is driven through a motor 5 to feed or wind a power cord 1. The motor 5 is provided with an encoder for measuring the rotary amount. An operation control section controls the motion of a moving vehicle according to a travel program. Furthermore, rotary amount of the motor 5 is controlled such that a tension measuring mechanism 6 measures a predetermined tension level and a potentiometer 14 detects the rotary angle of a rotary board 11. Then current position of the moving vehicle itself is calculated from the rotary amount of the moor 5 and the rotary angle of the rotary board 11 and programmed traveling of the moving vehicle is carried out according to the positional information.