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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 5867446 | Synchronous semiconductor memory device Memory arrays are divided into banks which can be operated independent from each other. Read data storing registers and write data storing registers operating independent from each other are provided for the banks. The memory array is divided into a plura... | 02/02/1999 |
| 5830910 | Cytochalasins useful in providing protection against nerve cell injury associated with neurodegenerative disorders The present invention relates to novel therapeutic uses of certain compounds to protect nerve cells from injury and death. The compounds include cytochalasin D and related analogs, and cytochalasin E and related analogs.... | 11/03/1998 |
| 5755212 | Air-fuel ratio control system for internal combustion engine An air-fuel ratio control system with a high accuracy for an internal combustion engine which is capable of particularly improving the transient response characteristic irrespective of the occurrence of an air-fuel ratio sensor delay and a fuel attachment... | 05/26/1998 |
| 5728299 | Wound non-woven fabric filter having heat fusible fibers The cartridge filter of the present invention is a filter comprising a wound and laminated composite non-woven fabric containing heat fusible fibers, wherein the delamination strength between layers of the laminated composite non-woven fabric of said filt... | 03/17/1998 |
| 5711296 | Continuous positive airway pressure system A passive continuous positive airway intratracheal pulmonary ventilation system which includes an inspiration limb and an expiration limb which are pressure balanced by inflatable bags. An intratracheal pulmonary ventilation system is provided which inclu... | 01/27/1998 |
| 5707313 | Transmission control apparatus for friction-wheel CVT A transmission ratio control apparatus for a friction-wheel CVT requires no feedback of the offset of a friction wheel and performs stable transmission ratio control. A control circuit is provided for controlling the offsetting of the friction wheel to ch... | 01/13/1998 |
| 5697031 | Image forming apparatus and method for overlaid transfer of images An apparatus having a photosensitive body and intermediate transfer body for successively transferring color toner images formed on the photosensitive body onto the intermediate transfer body to form an overlay transfer image which is transferred in batch... | 12/09/1997 |
| 5696511 | Voltage comparator and pipeline type A/D converter In a pipeline type A/D converter, a sample/hold.cndot.subtracter circuit of an A/D converter block of a first stage samples an analog voltage and outputs an offset voltage at a first phase, and subtracts an output voltage of an A/D converter from the samp... | 12/09/1997 |
| 5678369 | Refractory/heat insulating panels Disclosed is a refractory/heat insulating panel used in buildings and structures which must have a refractory performance. In the refractory/heat insulating panel (801), the mechanical strength and the fireproofing performance at the joint portions, which... | 10/21/1997 |
| 5652723 | Semiconductor memory device A semiconductor memory device includes a DRAM, an SRAM and a bi-direction transfer gate circuit provided between SRAM and DRAM. SRAM array includes a plurality of sets of word lines. Each set is provided in each row of SRAM array and each word line in eac... | 07/29/1997 |
| 5645724 | Rotor-equipped cylindrical screens A cylindrical screen within which rotates a rotor fitted with means causing pressure variations and/or turbulence. The rotor (1) consists of one or several cylindrical surface segments (2) which when geometrically developed are right triangles of which th... | 07/08/1997 |
| 5644658 | Method of and apparatus for compressing image representing signals An image representing input signal is processed so the data therein are filtered in a predetermined manner to derive a filtered signal. The values of the filtered signal are combined at successive time intervals, and the values are combined so there is an... | 07/01/1997 |
| 5636603 | Apparatus for detecting valve lifting characteristic of cam shaft assembly for use in internal combustion engine In an apparatus for detecting a valve lifting characteristic of a cam shaft assembly for use in a multi-cylinder internal combustion engine with a cylinder head to control opening and closure of cylinder valves, a sensor which is so arranged and construct... | 06/10/1997 |
| 5635612 | Method of forming multiple glycosidic linkages in a single step The invention relates to methods that permit the rapid construction of oligosaccharides and other glycoconjugates. Methods for forming multiple glycosidic linkages in solution in a single step are disclosed. The invention takes advantage of the discovery ... | 06/03/1997 |
| 5625595 | Semiconductor memory device allowing selection of the number of sense amplifiers to be activated simultaneously An improved DRAM is disclosed, in which a number of sense amplifiers to be activated simultaneously can be selected by using a bonding option method. An output signal /øA supplied from a bonding option circuit 11 is applied to column interlock... | 04/29/1997 |
| 5619227 | Picture data processing device with preferential selection among a plurality of sources Each display control block processes color pixel data stored in a refresh memory to convert the processed data into 1-bit monochromatic picture signals. At this time, the color information possessed by the respective color pixel data are converted in a fo... | 04/08/1997 |
| 5608974 | Steam drying apparatus, cleaning apparatus incorporating the same, and steam drying process A steam drying apparatus in which a process chamber is fitted at a loading opening with a lid which is closed from above. The inner side wall surface of the process chamber has a first surface formed in the lower part thereof and is substantially in paral... | 03/11/1997 |
| 5602793 | Semiconductor memory device having power line arranged in a meshed shape A semiconductor memory device includes a sense amp band including a plurality of sense amplifiers, and a plurality of operation power supply potential lines and a plurality of ground potential lines arranged in a meshed shape. The operation power supply p... | 02/11/1997 |
| 5602498 | Current switching logic type circuit with small current consumption An emitter-coupled logic circuit having superior drivability, stable operation, and obtaining complementary outputs. A pair of input differential transistors have their emitters coupled to a first current source in common, their bases connected to receive... | 02/11/1997 |
| 5594789 | Transaction implementation in video dial tone network Disclosed is a system and method of implementing purchasing and other transactions in an integrated multimedia communication system by utilizing an intelligent peripheral of an advanced intelligent telephone network which peripheral includes a voice recog... | 01/14/1997 |
| 5589736 | Frequency multiplier including grid having plural segments The frequency of an AC signal is multiplied by a factor N, where N is an integer greater than one, by an electron tube including a cathode for emitting an electron beam and a grid including N segments in proximity to the cathode. The grid is biased and co... | 12/31/1996 |
| 5587950 | Test circuit in clock synchronous semiconductor memory device In order to reduce a test time for a synchronous type memory device, a compression circuit compresses a plurality of memory cell data which are inputted in a plurality of read registers provided for a data output terminal to 1-bit data. A bank selection c... | 12/24/1996 |
| 5585855 | Digital video signal coding circuit, digital signal decoding circuit A digital video signal coding circuit has a first DCT circuit for DCT converting a digital video signal with respect to frame and second DCT circuit for DCT converting the digital video signal with respect to fields which is used to reduce high frequency ... | 12/17/1996 |
| 5582104 | Apparatus and process for screen printing An apparatus and method for vacuum printing inks onto a substrate in which the printing screen is mounted in a pivotable screen holder. The substrate is positioned on a printing platen and adhered to the platen during the printing operation by a vacuum ho... | 12/10/1996 |
| 5580857 | Use of gibberellins for the treatment of prostatitis The use of active gibberellins for the preparation of a pharmaceutical composition for the treatment of prostatitis. The method results in a decrease in prostate mass.... | 12/03/1996 |
| 5578942 | Super VCC detection circuit A transfer gate is provided between an input terminal, receiving voltage Vh of the super Vcc level when a special operating mode is set, and an inverter and an n channel MOS transistor included in a super Vcc detection circuit of a DRAM. The transfer gate... | 11/26/1996 |
| 5576956 | Auxiliary steering angle control system for vehicle An auxiliary steering angle control system for a vehicle comprises a vehicle condition detecting section for detecting a vehicle condition, a desired motion variable calculating section for calculating a desired value of the motion variable actually gener... | 11/19/1996 |
| 5575258 | Apparatus and method for determining engine revolution displacement for multi-cylinder four-stroke internal combustion engine An apparatus and method for determining an engine operation control based engine revolution displacement for a multi-cylinder four-stroke internal combustion engine are disclosed in which a reference crank angle sensor is disposed on an engine crankshaft ... | 11/19/1996 |
| 5569074 | Ventilated workstation with turntable A workstation for cleaning or machining workpieces such as foundry castings includes a rotatable workpiece support positioned above a ventilated surface of the workstation. In operation, a workpiece is mounted to the rotatable support and rotated as neces... | 10/29/1996 |
| 5568432 | Semiconductor memory device including redundancy memory cell remedying defective memory cell A sense amplifier portion provides a predetermined number of data among a plurality of data provided from a bit line pair to a multiplexer. A sense amplifier amplifies data provided from a redundancy bit line pair for output to the multiplexer. The multip... | 10/22/1996 |
| 5566776 | Differential limit torque control apparatus A traction control apparatus for use with an automotive vehicle having an internal combustion engine through which an output drive is transmitted to drive road wheels. A demand for first traction control is produced based on a slippage produced on the dri... | 10/22/1996 |
| 5562427 | Filter arrangement for a refrigerant compressor A porous filter having a pore size of no more than 80 μm is provided in a refrigerant flow passage of a refrigeration system. The filter may be provided in a drier provided in the refrigerant flow passage or in a separate filter casing provided in the re... | 10/08/1996 |
| 5561090 | Dielectric ceramic composition for high frequencies and method for preparation of the same An improved dielectric ceramic composition for high frequencies and a method for preparation of the same, capable of being advantageously used for a dielectric resonator, a material of a substrate for an integrated circuit and the like in high frequency r... | 10/01/1996 |
| 5557945 | Refrigerant compressor and refrigeration system incorporating same A filter formed of a filter material, such as, fluororesin, cellulose ester, polycarbonate or silica fiber is provided in a refrigerant flow passage of a refrigeration system. In the refrigerant flow passage, the filter is sandwiched by porous members, or... | 09/24/1996 |
| 5555535 | Watch dial A watch dial which is made by laminating a cut section of a Tagua nut to a watch dial base plate. The cut section of the Tagua nut has a unique grain pattern which can be enhanced by dying or staining. A wide variety of grain patterns and color combinatio... | 09/10/1996 |
| 5554868 | Non-volatile semiconductor memory device There is a case where a memory cell brought to an over-erase (depletion) state if the erasing time is too long, for example, in an electrically erasable non-volatile semiconductor memory device. In this case, the transistor constituting the memory cell is... | 09/10/1996 |
| 5554489 | Method of forming a fine resist pattern using an alkaline film covered photoresist A forming method of a fine resist pattern improve so as to form a fine pattern of high accuracy can be obtained. A positive-type photoresist 1 including naphthoquinone diazide and novolak resin is applied on a substrate. An anti-reflection film adjusted t... | 09/10/1996 |
| 5554008 | High-pressure pump to feed internal-combustion engine fuel-injections The casing of the high-pressure pump consists of two integral segments. The first segment comprises a cylindrical borehole receiving the pump shaft 5 and its ball bearings 4. The second segment 1b comprises another borehole receiving a swash plate 9 rigid... | 09/10/1996 |
| 5552479 | Gas barrier film and production process thereof Disclosed herein is a gas barrier film formed from a mixture containing polyvinyl alcohol and poly(meth)acrylic acid at a weight ratio of 95:5 to 20:80, and having an oxygen permeability constant of 1.25×10-3 ml(STP).cm/m2.h.atm{Pa}... | 09/03/1996 |
| 5550867 | Complex angle converter A complex angle converter includes a comparing device. The comparing device operates to derive first difference data representing a difference between predetermined reference data and data represented by a first baseband signal. The comparing device furth... | 08/27/1996 |
