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| Number | Title | Issue Date |
| 5047340 | LAC+ saccharomyces cerevisiae The invention relates to novel, transformed strains of Lac+ Saccharomyces cerevisiae, capable of utilizing lactose as a sole carbon source, produced by inserting into the Saccharomyces cerevisiae a plasmid containing a lactose permease and a be... | 09/10/1991 |
| 5046828 | Apparatus for reading out a charge latent image An apparatus for reading out a charge latent image from a recording medium includes a photo-modulation member exposed to an electric field from the recording medium and exposed to reading light. The photo-modulation member varies a condition of the readin... | 09/10/1991 |
| 5028867 | Printed-wiring board In a printed-wiring board produced by arranging a plurality of wiring circuit patterns on a printed-wiring board by screen printing and cutting out product regions corresponding to the wiring circuit patterns by punching them along the circumferences of t... | 07/02/1991 |
| 5026669 | Method of eliminating burrs on a lead frame with a thin metal coating A lead frame for a semiconductor device and a method for manufacturing the semiconductor device using the frame, the lead frame comprising a dice pad, inner leads, tie bar, outer leads and a thin metal layer of lead which is hard to melt and is easily tra... | 06/25/1991 |
| 5025384 | Production process control system A system is provided to enable communication between a plurality of terminal devices and a central device connected thereto. The central device includes a communicating element which takes initiative and performs communication with a plurality of terminal... | 06/18/1991 |
| 5023792 | System and method for controlling vehicle speed to cruise at desired speed for vehicle A system and method for automatically controlling a vehicle speed to a desired cruise speed are disclosed in which an operation of the automatic vehicle speed controlling system is inhibited when any one of the following conditions is established. That is... | 06/11/1991 |
| 5015497 | Cathode for electron tube and manufacturing method thereof A cathode for an electron tube in accordance with the present invention comprises: a base (2) containing not only nickel as a major element but also a reducing agent; a layer (3) of an electron-emissive substance which is applied to the base (2) and conta... | 05/14/1991 |
| 5016282 | Eye tracking image pickup apparatus for separating noise from feature portions Characteristic features of images of an object eye are extracted to enable non-contact detection of eye movement. Two images of the eye are focused, and a differential image is generated to eliminate background noise and to permit feature extraction to be... | 05/14/1991 |
| 5016220 | Semiconductor memory device with logic level responsive testing circuit and method therefor A testing circuit for a semiconductor memory device is provided. An AND operation is performed on the data read out from each block of a memory cell array when the bit data written into each block of the memory cell array for testing is "1", and a NOR ope... | 05/14/1991 |
| 5014241 | Dynamic semiconductor memory device having reduced soft error rate Each of sense amplifiers is coupled to two bit lines with another bit line being interposed therebetween. Information stored in a memory cell is read out onto one of the two bit lines coupled to each of the sense ampliers, while a reference potential is r... | 05/07/1991 |
| 5014110 | Wiring structures for semiconductor memory device A semiconductor memory comprises a semiconductor substrate (1), word lines (200) and bit lines (3a, 3b), memory cells and sense amplifier (SA). The semiconductor substrate (1) has a major surface. The word lines (200) and bit lines (3a, 3b) intersect each... | 05/07/1991 |
| 5013561 | Process for recovery of products from waxy barley Waxy barley grain is processed by a series of processing steps to produce beta-glucan solids, a bran residue, a protein concentrate, barley oil and a maltose syrup in uncontaminated form. The process involves steps of mixing a meal produced from waxy barl... | 05/07/1991 |
| 5012679 | Optical sensor An optical sensor uses a beam waveguide embedded in a force or pressure transmitting material, in particular an elastomer. To be used as force measuring sensor, the beam waveguide is mounted on an elastic deformable body and embedded in a material that do... | 05/07/1991 |
| 5012023 | Lubricants comprising novel cyclopentanes, cyclopentadienes, cyclopentenes, and mixtures thereof and methods of manufacture Hydrocarbyl substituted cyclopentadienes, cyclopentenes, and cyclopentanes are synthetic lubricating compositions. The preferred structures contain 1 to 6 alkyl groups which have 4 to 36 carbon atoms and may have different and varying carbon chain structu... | 04/30/1991 |
| 5009103 | Ultrasonic thickness measuring method and apparatus An ultrasonic thickness measuring method and apparatus in which an ultrasonic pulse is transmitted from a probe to a material to be measured and resulting multiple reflection pulses from the material to be measured are detected to obtain a time interval b... | 04/23/1991 |
| 5010338 | Comparator circuit and analog to digital converter A comparator circuit capable of high-speed and accurate operation is disclosed. The comparator circuit includes an amplifier section 4, an inverter 5 connected to the output of the amplifier section 4, and a switching circuit 11 connected across the inver... | 04/23/1991 |
| 5008522 | Device for the selective detection of objects A device for the selective detection of objects, such as aircraft, missiles, helicopters and the like, by detecting outgoing rays emitted from the objects, preferably infrared rays, comprises at least one sensor unit with two optical entrances arranged at... | 04/16/1991 |
| 5008891 | Semiconductor light-emitting devices Configurations of heterostructure semiconductor lasers and LEDs are desribed which enable emission wavelengths in the blue to ultra-violet region to be achieved. The structures are based on an n-type layer formed of a (ZnCd) (SSe) II-VI semiconductor and ... | 04/16/1991 |
| 5008234 | Process for the preparation of catalytic metal clusters Compositions of matter useful as catalysts in heterogeneous reactions and comprising metal atom clusters supported on inorganic supports such as silica, alumina or zeolites are prepared by vaporizing the metal at low temperatures and pressures into an env... | 04/16/1991 |
| 5007056 | Processing circuit having an error detecting and correcting circuit therein A processing circuit for receiving input data having an error detecting and correcting code from a data bus is disclosed, that includes a write data latch circuit connected to the data bus for latching the input data; an error detecting and correcting cir... | 04/09/1991 |
| 5005282 | Method of making an electronic memory card A method of making an electronic memory card and, more particularly an electronic module. A metal strip (10) has a plurality of lead-frames (A) formed therein. An insulating strip (50) is fixed to the outside face (10a) of the strip (10) leaving the exter... | 04/09/1991 |
| 5005199 | Telephone interface circuit A line powered telephone interface circuit answers an incoming call and, responsive to a command tone, routes the call to a selected terminal. If no command tone is received within a predetermined time period, low voltage audio signalling devices located ... | 04/02/1991 |
| 5004457 | Tissue transplantation system The transplantation of donor tissue into the brain is effected by locking the head relative to a stereotaxic unit; penetrating the brain with a first cannula to a predetermined depth to create a transplant site within the brain while the first cannula is ... | 04/02/1991 |
| 5005044 | Automatic masking device A masking device employed for a composer and the like for forming a desired opening portion by covering a glass plate holding an original includes a pair of light intercepting devices for covering the glass plate from the front and rear and left and right... | 04/02/1991 |
| 5003536 | Communication system In cases where a first communication control unit locks a second communication control unit to communicate with the second unit, the first unit stores a data representing a time remaining until the locking of the second unit is released. In these cases, t... | 03/26/1991 |
| 5003542 | Semiconductor memory device having error correcting circuit and method for correcting error In a semiconductor memory device having an error correcting circuit, a pair of bit lines and inverted bit lines are connected to the inputs of first and second inverting amplitude circuits through a first and second N channel MOS transistors, respectively... | 03/26/1991 |
| 5003246 | Monolithic bidirectional switch with power MOS transistors A single-chip solid-state bidirectional switch comprises two power MOS transistors (TP1, TP2) connected by their drains (D1, D2), and the sources of which (S1, S2) constitute the main terminals (A1, A2) of the switch; two auxiliary MOS transistors (T1, T2... | 03/26/1991 |
| 5001575 | Apparatus and method for image reproduction by random selector of interpolation data An apparatus for reproducing an image with a desired magnification other than that expressed in an integer comprises a key switch for inputting the desired magnification. When reproducing the image with the selected magnification, it is necessary to inter... | 03/19/1991 |
| 4999122 | Non-aqueous lamellar liquid crystalline lubricants Non-aqueous lamellar liquid crystalline lubricant compositions comprise an organic acid component or a salt thereof, an organic amine component and a non-aqueous solvent which maintains the liquid crystalline properties of a mixture of the organic acid or... | 03/12/1991 |
| 4998027 | Arbiter circuit Disclosed is an arbiter circuit for arbitrating a contention between two request signals which simultaneously attain the H (logical high) level indicating a "request". In this arbiter circuit, buffer circuits, having different input logic threshold voltag... | 03/05/1991 |
| 4998020 | Electron beam exposure evaluation method In formation of a fine pattern with direct electron beam delineation, disclosed is a method of obtaining parameters on an electron scattering intensity distribution expressed with a double Gaussian distribution obtained when exposing a resist with an elec... | 03/05/1991 |
| 4997990 | Process and composition for stabilization of ar-brominated styrenic monomer A process for stabilizing vinyl monomers in general, and ar-brominated styrene polymer in particular, against polymerization by mixing a vinyl monomer such as an ar-brominated styrene monomer with a stabilizing amount of iodine composition to produce a st... | 03/05/1991 |
| 4995997 | Antibacterial water-soluble cutting fluid resistant to yeast-like fungi A bactericide is added to conventional water-soluble cutting fluids to suppress deterioration by microorganisms. Such fluids are however accompanied by the drawbacks that the bactericide has a narrow antibacterial spectrum and moreover its effects last a ... | 02/26/1991 |
| 4995665 | Sunroof structure for motor vehicle A sliding/tilting sunroof structure whose overall height is kept relatively small by using an actuating linkage with sliding front and rear guides with a pivoting link extending from each guide to the sunroof panel. A rear portion of the front link is add... | 02/26/1991 |
| 4994886 | Composite MOS transistor and application to a free-wheel diode A composite MOS transistor in a substrate of a first conductivity type comprises a gate electrode (G1), a first main electrode (A1) and a second main electrode (A2) in a substrate area (60). An auxiliary switch comprising MOS transistors (52, 53) in the s... | 02/19/1991 |
| 4991535 | Shift lever unit for automotive automatic transmission A shift lever unit is disclosed, which comprises a shift lever; a housing of plastic having an upper cover portion, the upper cover portion being formed with a slot through which the shift lever passes; a position mark plate of transparent plastic mounted... | 02/12/1991 |
| 4992154 | Brush for electrolytic treatment A brush for use in electrolytic treatment having a brush body including an electrode connected to one terminal of a D.C. source and contacting a workpiece connected to the other terminal of the D.C. source. The brush body comprises a forward portion defin... | 02/12/1991 |
| 4990489 | Read only memory device including a superconductive electrode A read only memory device includes a first electrode and a second electrode arranged in an overlapping relation with the first electrode so as to be geometrically in connection at an intersection therewith corresponding to a storage location for one type ... | 02/05/1991 |
| 4988913 | Flat configuration cathode ray tube A flat configuration CRT has a plurality of line cathodes arrayed with a predetermined pitch, a focus electrode section for focusing respective electron beams which are emitted for the line cathodes, and pairs of deflection plates having opposed deflectio... | 01/29/1991 |
| 4989242 | Control device for a hand-free alternate operating telephone set A control device for a hands-free telephone set automatically controls microphone and amplifier gains so that a feedback loop has less than unity gain to avoid circuit instability and resultant self-oscillation. An emission channel includes a microphone, ... | 01/29/1991 |
