baber/WOPTO huggingface dataset:
Patent DE-4034590-A1 (DE)
Title: Electro-optical LC system
Inventor: FINKENZELLER ULRICH DR
IPC: G02F1/1334
Filed: 1990-10-31
Abstract: (+1.11.89(2), 9.12.89, 10.1.90(2), 12.1.90, 16.1.90, 19.1.90(3), 22.1.90, 23.1.90, 25.1.90-DE-936307/8, 940788, 000470/1, 000723, 001023, 001539, 001540/1, 001683, 001843, 002146) Electro-optical LC system comprises a dielectrically positive LC mixt. (LCM) and another optically transparent medium (M2) between 2 electrodes which may be mounted on substrate plates; the LC mols. have an irregular orientation in the "off" state one of the refractive indices of LCM matches that of the matrix (nM) and/or the ratio of the masses (LCM):(M2) is 1.5 or above, and the system shows reduced transmission in one of the switching states w.r.t. the other state, irrespective of the polarisation of the incident light; the novelty is that LCM contains cpd(s).  of formula (I). In (I), Q1 = A1-Z1-(Z2-Z2)m- (with A1, A2 = trans-1,4-cyclohexylene (Cyc), 1,4-phenylene (Phe), 2-fluoro-Phe or 3-fluoro-Phe; one of the gps. A1 and (if present) A2 can also = pyridine-, pyrimidine-, 1,3-dioxan- or tetrahydropyran-2,5-diyl, or naphthalene-2,6-diyl; Z1, Z2 = single bond, CH2CH2, COO, OCO, -CC-, and/or CH2O; m = 0, 1 or 2); Y, X = H or F; one gp. X or Y can also = Cl; W = CN, Cl, F, CF3, OCF3, OCHF2, NCS or R2 (with R2 = as for R1 below); R1 = 1-12C alkyl, opt. with 1 or 2 non-adjacent CH2 gps. replaced by O or CH=CH.
Patent DE-4040767-A1 (DE)
Title: Transformation hardware equipment for graphical symbols - uses shift register process to change symbol orientation
Inventor: WANG ALEX
IPC: G06T3/60
Filed: 1990-12-19
Abstract: Graphics processing equipment is used with a computer system to change the format and orientation of symbols. The equipment includes a transfer buffer (10), multiple shift register stages (20), a second group of transfer buffers (30) and a control counter (40). The input transfer buffer receives the output of the computer, the following stage (12) having the inverted values. The multiple shift register stages (20) receive sequential data from the transfer buffer. A unit (40) controls the data movement to the output buffer such that a 90 deg. orientation of the symbol can be obtained. USE - Allows graphical symbol orientation to be transformed.
Patent DE-4041380-A1 (DE)
Inventor: MARTIN WALTER J DIPL ING
IPC: B01D47/00
Filed: 1990-12-21
Abstract: For the recovery or disposal of ammonia or ammonium compounds from dust mixtures which are produced in combustion processes, the subsequent gas cooling and/or gas purification, the dusts produced are mixed batchwise with water in a closed system at a temperature which is lower than or the same as the temperature at which the dusts leave the combustion, cooling or purification process, and the resulting vapours are withdrawn under vacuum.
Patent DE-4105742-A1 (DE)
Title: 2,6-Di:fluoro-tolan derivs. - useful as components of liq. crystal media for electro=optical displays
Inventor: REIFFENRATH VOLKER
IPC: C07C43/225
Filed: 1991-02-23
Abstract: 2,6-Difluorotolans of formula (I) are claimed. R1, R2= 1-18C alk(en)yl, opt. with 1 or 2 non-adjacent CH2 gps. replaced by O, S, COO or OCO; one of these gps. can also = F, Cl, CN, CF3, OCF3 or OCF2H; A1, A2= 1,4-cyclohexylene, 1,4-phenylene, 2- or 3-fluoro-1,4-phenylene, 2,3-difluoro- 1,4-phenylene, 2,6- or 3,5-difluorophenylene, dioxan-2,5-diyl, pyridine-2,5-diyl or pyrimidine-2,5-diyl; Z1, Z2= -CH2CH2-, -(CH2)4-, -CH2O-, -OCH2-, -CC- or a single bond; m, p = 0, 1 or 2; o= 0, 1 or 2. USE/ADVANTAGE - (I) are useful as components of liq. crystal (LC) media for electro-optical displays. Also claimed are LC media with at least 2 components, at least one of which contains a 2,6-difluorotolan gp. as in (I), pref. a cpd. of formula (I), and electro-optical displays contg. such LC media. The incorporation of (I) gives stable LC media with relatively high optical anisotropy and pronounced positive dielectric anisotropy, useful esp. in TNC-based display elements; cpds. (I) have high chemical, thermal and light stability, and form LC mesophases in the relevant temp. range.
Patent DE-4112391-A1 (DE)
Title: Optimising chemical usage in flocculation process - for removing residual phosphorus and suspended matter from clarification plant discharge
Inventor: GEYER STEPHAN
IPC: C02F3/12
Filed: 1991-04-16
Abstract: Optimisation of the flocculating agent and flocculating aid usage in pptn. of residual phosphrous contents and suspended matter in the discharge from municipal clarification plants is carried out by (a) calculating the phosphorus loading and the solids mass flow from residual phosphorus content and solids concn. measurements; (b) using these two values for controlling dosing of the flocculating agent; (c) mathematically deriving a target value for flocculating agent dosage from the input values of the pptn. stage; (d) comparing the target value with the actual value of the dosage, any difference being used as a correction factor for dosing control. ADVANTAGE - Usage of chemicals (generally a metal salt flocculating agent and a polymeric flocculating aid) is optimised.
Patent DE-4112959-A1 (DE)
Inventor: MAEDER HELMUT
IPC: F41A17/00
Filed: 1991-04-20
Abstract: In a cartridge supply apparatus having a belt supply means (3), a cartridge (27) can be pushed out of the latter into a cartridge bearing (6). The belt supply means (3) can be moved out of the firing position into the safety position. The safety position is to be adjustable by simple and safe actuation. For this, the belt supply means (3) can be pivoted about a spindle (2). A manually displaceable bearing bracket (12) has a control cam (8) acted upon by the belt supply means (3). The control cam (8) pivots the belt supply means (3) into the safety position when the bearing bracket (12) is displaced. Release of a further lever (25) permits the belt supply means to be pivoted further upwards to allow access to the breech for maintenance. (Fig 4). <IMAGE>
Patent DE-4119233-A1 (DE)
Title: Power supply network stabilisation circuit for low voltage computers - has high power supply network connected via transistor to voltage reducing device and to two electromagnetic switches
Inventor: STARGARD SIEGFRIED
IPC: H02J3/14
Filed: 1991-06-07
Abstract: The circuit limits the power to low-voltage computers by reducing the voltage in dependence on a comparison between voltage and current parameters and reference values. The high power supply network (1) is connected via a transistor (6) to a voltage reducing device (3) and also to an electromagnetic switch (5), to which a desired power value is applied via a thyristor (11). When the desired power value is exceeded, the switch applies a pulse to the transistor (6), which connects the supply to the voltage reducing device. When the power falls below the desired power value, a second swtiched (14) applies a pulse to a triac at the output of the voltage reducing device. The pulse is applied until the power at the switch corresponds to the desired value. ADVANTAGE - Keeps current and voltage parameters within upper and lower limits.
Patent DE-4123969-A1 (DE)
Title: Fluid pressure modifying device for e.g. blood - comprises inflatable tubing, wrapped around elastic conduit, to constrict conduit when inflated
Inventor: NAFZ BENNO
IPC: G05D7/00
Filed: 1991-07-19
Abstract: A device, for modifying the pressure of a medium flowing through an elastic conduit (1), consists of an elastic tubing (2) which is wrapped around the conduit (1) and which constricts the conduit (1) when inflated by a pressure medium (pref. compressed air) fed, from a source (4), through an inlet valve (3) and released through an outlet valve (5). The source (4) may be a gas bottle or an electrically operated compressor. The inlet and/or outlet valve (3,5) is pref. electrically (esp. electromagnetically) operated. Detectors (6,7) may be provided for detecting fluid pressure upstream and downstream of the tubing (2). The free end (8) of the tubing (2) is pref. closed by a sewn seam and is tied to the tubing. USE/ADVANTAGE - The device is used e.g. for modifying intravascular (e.g. arterial) blood pressure. It has a simple construction, has rapid response and allows precise adjustment of fluid pressure.
Patent DE-4124505-A1 (DE)
Title: Rain-water seal for lock mechanism in car door - includes water run=off channel beneath movable window pane
Inventor: SCHRADER JUERGEN DIPL ING
IPC: B60J10/75
Filed: 1991-07-24
Abstract: The sealing arrangement has a run-off channel (8) placed under the movable glass pane (2) to protect mechanical parts such as lock components inside the door from the ingress of rainwater. The run-off channel has an extension (8a) with an inward slope (12) which on winding up the window pane engages a sealing strip (10) which swivels about an axis (9) against the force of a spring. USE/ADVANTAGE - Sealing arrangement for a vehicle window which completely closes off the window cavity against water entry when the window is fully up.
Patent DE-4124708-A1 (DE)
Inventor: BECK CHRISTOPH DIPL ING
IPC: G01R31/319
Filed: 1991-07-25
Abstract: Units, e.g. printed circuit boards (LP), containing a very wide variety of components, e.g. digital, analog and sensor components, are tested for faults by the use of a microprocessor or microcontroller fitted in the unit in any case. This microprocessor contains a test program permitting the generation of test vectors and the checking of the test reply given on the basis of the test vectors. In order to be able to use the test vectors to check the components in the unit, the microprocessor makes it possible for the components to be checked to be interconnected via measuring loops formed using the available electrical connections in logical arrangements and to be able to supply test signals to the unit's inputs which correspond to the signals applied to the unit in actual use. A self-test adapter (AD) which connects outputs of the unit to its inputs is used for this purpose. The components of the unit can be logically interconnected via the measuring loops and thus a check can be made to discover whether there are any faults in the components or their connections.
Patent DE-4126588-A1 (DE)
Title: Switching trigger for electronically controlled power switch, e.g. lithging dimmer - has coupling stage with input operating at low voltage level and isolated from mains voltage output
Inventor: SCHULTE HANS JOCHEM
IPC: H05B37/02
Filed: 1991-08-12
Abstract: The light dimming circuit (C) has a control stage (3) that can be a solid state unit, e.g. transistor or triac, coupled to a power stage (A) connected to the light bulb (LA). The control unit receives inputs from an actuator (A) via a coupling circuit (2). The coupling circuit has an input stage (AK) that operates with relatively low voltages, e.g. 10V, and this is electrically isolated from the mains side (WK) to provide safe operation. In an alternative version the coupler and power stages are combined in a single unit. ADVANTAGE - Isolates mains supply from dimmer switch.
Patent DE-4130874-A1 (DE)
Title: Circular carcass flaying blade - has structured cutters round the circumference to remove delicate hides without damage
IPC: A22B5/16
Filed: 1991-09-17
Abstract: The rotary cutting blade, to flay carcasses, has a number of cutting edges round the circumference with a cutting radius about constant over the whole cutting length. The ratio of the cutting radius to the radius of the circular cutter is about 0.3-1. The circular cutter thickness is 0.2-0.8 mm, and pref. 0.3-0.5 mm. ADVANTAGE - The cutter removes the hide safely and without damage, even from young animal carcasses with delicate hides.
Patent DE-4134947-A1 (DE)
Title: Automatic application of labels - using shaft, for pivoted or non-rotating holding of adhesive part, connected rigidly to central shaft, supported on cam
Inventor: KOERTGE LUTZ
IPC: B65C9/16
Filed: 1991-10-23
Abstract: The labelling machine has a pivoted carrier with a turnable adhesive part (8). Turning of the carrier moves the part past a gluing station, a stationary label container, and a label remover. The label holder surface moves over an adhesive roller. A shaft (38) prevents rotation of the adhesive part, and also forms its pivot axis (P). This shaft is rigidly connected to a shaft (39), which extends coaxially to the central axis (M) of the label holder surface. The second shaft supports itself on a guide cam (20), which is stationary relative to the carrier, and is in constant engagement with it. USE/ADVANTAGE - Application of labels with simple adjustment of rolling movement of label holding surface to form of processing station.
Patent DE-4139427-A1 (DE)
Title: Photosensitive drum for copier - has closure fitting opening to maintain tension on exchangeable photosensitive film placed over its circumferential surface
Inventor: NISHINO OSAMU
IPC: G03G15/00
Filed: 1991-11-29
Abstract: An opened section (7) is provided in the axial direction along the outer circumferential surface of the cylindrical, pipe-shaped drum element (1). A drum closure (8) corresp, in shape to the opening (7) is applied to the drum element near the latter. A photosensitive film (1) is fixed to the outer circumferential surface of the drum element. The film has a cylindrical shape of o.d. somewhat larger than that of the drum element. The film is applied and held through the force of the closure. One end of the latter is mounted on the drum element. USE/ADVANTAGE - As part of electrophotographic system, photosensitive component can be exchanged by user, reducing operating costs.
Patent DE-4139910-A1 (DE)
Title: Sliver canal of spinning prepn. machine - has shape of helical line with changing pitch
Inventor: MAHRT GUENTER
IPC: B65H57/12
Filed: 1991-12-04
Abstract: A sliver canal (2) of a spinning preparation machine is for depositing sliver in a container. The canal (2) takes the shape of a helical line with a changing pitch. The end (6) facing the container has an increasing pitch towards the end.
Patent DE-4140173-A1 (DE)
Title: DRAM cells with improved miniaturised structure - formed in a monocrystalline silicon@ layer on the surface of a silicon@ substrate
Inventor: SHIMIZU MASAHIRO
IPC: H01L21/822
Filed: 1991-12-05
Abstract: A DRAM is disclosed, with memory cells which each have a transistor and a capacitor, with: 1) a silicon substrate (2) of a first conductivity type with a major surface; 2) a single crystal Si layer (21) formed on the above major surface; 3) a transistor (15) with a first and a second impurity region (7a,7b), of a second conductivity type, which are sepd. from each other in the surface of the monocrystalline Si layer (21), a gate insulating layer (4) on the surface of the monocrystalline Si layer (21) and a gate electrode (5) on the gate insulating layer between the first and the second impurity regions (7a,7b); 4) a capacitor (16) with a first electrode layer (8) attached to the first impurity region (7b) of the transistor (15), a dielectric layer (9) formed on the surface of the first electrode layer (8), and a second electrode layer (10) formed on the surface of the dielectric layer; 5) a first conducting layer (17b) in contact with the gate electrode (5); and 6) a bit line (14b) having a second conducting layer made of polycrystalline Si, which is formed as a common layer with the monocrystalline Si layer (21), which bit line is in contact with the second impurity region (7a) of the transistor (15). A process for mfg. the above DRAM comprises: a) forming an element separating and insulating layer (3) in a predetermined region on the major surface of a silicon substrate (2); b) forming a monocrystalline Si layer (21) on the above major surface, and a conducting layer (18), extending to the monocrystalline Si layer (21), on the surface of the layer (3); c) patterning the conducting layer (18) to form a bit line (14b) extending in a predetermined direction above the layer (3); d) forming a gate insulating layer (4) and a gate electrode (5) on the surface of the monocrystalline Si layer (21); e) implanting impurity regions in the monocrystalline Si layer (21) using the gate electrode (5) as a mask; f) forming first electrode layer (8) and a dielectric layer (9), followed by a second electrode layer (10) on the surface of the dielectric layer (9). USE/ADVANTAGE - The DRAM is used in computers and information processing devices. It has an improved miniaturised structure of the memory cells and bit line structure, and enables access transistors of small dimensions to be constructed using a relatively simple mfg. process.
Patent DE-4204687-A1 (DE)
Title: Mixer assembly with cast blades - shaped to promote radial and vertical mixing esp. of asphalt
Inventor: ROOS RUDOLF
IPC: E01C19/10
Filed: 1992-02-16
Abstract: A mixer assembly, for use in a mixer for coarse material (esp. for asphalt prepn.), has detachable mixer blades fixed to the ends of arms extending from a hub mounted on a drive shaft. Each mixer blade (7,8,9) is a cast blade with an outer contour which is roughly triangular in projection in a plane perpendicular to the rotational axis and which tapers upwardly in projection on a plane including the rotational axis. Each blade has, in the rotational direction (P), a leading edge (10) adjoining two side flanks (11,12) which impart radial and axial movement components to the material being mixed. ADVANTAGE - The assembly provides better and more rapid mixing, esp. of an asphalt mix, with low energy consumption.
Patent DE-4206510-A1 (DE)
Title: Cigarette-paper sleeve with filter tip - has outer cylindrical filter in which coaxial filter core slides axially and protrudes towards the middle
Inventor: CALLIESS JOACHIM
IPC: A24C5/46
Filed: 1992-03-02
Abstract: The sleeve with filter-tip is for cigarette-production by the smoker. It contains a coaxial filter, comprising an outer tubular cylindrical portion (10) in which a coaxial filter core (10') slides, protruding from the cylindrical portion towards the middle of the sleeve (2). The coaxial filter either slides in the sleeve, fitting closely against the latter and acting as a filter plug additional to that on the tip, being moved by light pressure on filling with tobacco; or it forms a coaxial filter fixed to the tip, the outer surface of its cylindrical portion being joined to the inside surface of the sleeve at the mouth end. USE/ADVANTAGE - Cigarette paper sleeve gives easily adjustable ventilation and protects sleeve end furthest from tip from distortion.
Patent DE-4209281-A1 (DE)
Title: Traversable lifting equipment with adjustable platform for laying masonry - has trolley base with two or four rollers individually driven and steerable through 90 deg. from straight traverse position
Inventor: STEINWEG JOSEF
IPC: B66C9/04
Filed: 1992-03-21
Abstract: The platform (3) of the lifting equipment is height adjustable on a trolley base (2) which can be traversed and manoeuvred on four rollers (7,8,9,10). Two of the rollers (9,10) on the other side each have their own drive motor (11,12). Also the driven rollers have individual steering linkages with power cylinders (15,16) which allow the two rollers to be turned through 90 deg. on each side of the straight line traverse position. USE/ADVANTAGE - Traversable lifting equipment can be made to traverse accurate line and is precisely manoeuvrable in confined space.
Patent DE-4210613-A1 (DE)
Title: Substrate coating appts with metal oxide superconductor - comprises coating chamber contg. heater, and laser ablation appts. to provide stream of superconducting material
Inventor: HOLZAPFEL BERNHARD DIPL PHYS
IPC: C23C14/54
Filed: 1992-03-31
Abstract: Appts. for coating at least one flat surface of a substrate with a metal oxide superconducting material of high transition temp. comprises: (a) a coating chamber contg. a heater to heat the substrate; and (b) a laser ablation appts. to produce a partial stream of corresponding superconducting material or a preproduct of this material. The substrate (3) in the chamber (4) is arranged such that the normal (N) is directed vertically onto the flat side (3a, 3b) of the substrate, based on the direction of the partial stream (5). The heater (10) is powered by irradiation heat. ADVANTAGE - Avoids damaging the smooth surfaces of high temp. superconducting layers.
Patent DE-4213666-A1 (DE)
Title: Determining migration characteristics of pollutants in loose soil - by determining grain sizes and moisture content, saturating earth sample, determining porosity, determining filter optimum sieve mesh size and establishing throughput value
Inventor: ENGELMANN FRANK
IPC: G01N33/24
Filed: 1992-04-22
Abstract: In a process to determine the migration characteristics of pollutants in loose rock, the distribution of the grain sizes is determined. The moisture content is determined, the earth sample is saturated and the overall porosity is determined, and the optimum sieve mesh size is determined for the filter. The throughput value is established under stationary flow conditions, and the time characteristics are established for setting the chemical balance at different migration concns., pref. using conductivity measurements using a water-solid ratio of from 2 to 3:1. Isotherm determn. is effect with final balance concn., incorporating original moisture and the water-solid ratio. USE/ADVANTAGE - The process and assembly determines the migration characteristics of pollutants through water-saturated loose soil and earth. The process and assembly provide comprehensive information about storage, breakdown and conversion processes of pollutants in the soil.
Patent DE-4214427-A1 (DE)
Title: Automatic feeding machine for processing of edges of spectacle lenses - has supply unit for lenses held at reception adaptor which is set up on front or rear surface of lens
IPC: B23Q41/00
Filed: 1992-04-30
Abstract: A positioning unit (21) with a manipulating arm (22) guides a gripping unit (23), which grips the respectively supplied lens (7) at the reception adapter (8), and inserts in the appliance (1...6), for processing the lens esp. appliance pref. for machining edge of spectacle glasses. The supply unit (11) has a coding unit which stores the processing data. The coding unit uses a bar coding and has an EEPROM storage memory. ADVANTAGE - Enables feeding of several processing stations which can be designed differently for different lenses.
Patent DE-4214693-A1 (DE)
Title: Gas heating boiler with injector type gas burner - has second has distribution tube with nozzle between first gas distribution tube and burner tubes.
Inventor: WIEDMANN UWE DR ING
IPC: F23D14/78
Filed: 1992-05-02
Abstract: The burner has a gas distribution tube (1) with gas outlet nozzle (5) coupled to burner gas source, and burner tubes (5) forming an intermediate air gap, with the burner tubes mounted in the furnace of the boiler. Their jacket has apertures forming the flames. Between the gas distribution tube and the burner tubes is fitted a second gas distribution tube (12) with gas outlet nozzles (13). The second distribution tube is coupled to the flue gas region behind the boiler (14) heat exchanger (17) and/or to the furnace. The gas outlet nozzles (3) of the first distribution tube open directly into a second distribution tube. USE/ADVANTAGE - Reduced NOx values in flue gas, and increased service life of burner tubes in gas heating boiler.
Patent DE-4216628-A1 (DE)
Inventor: MICHAEL HARALD
IPC: E03F1/00
Filed: 1992-05-20
Abstract: The drainage system operated at subatmospheric pressure is composed of a subatmospheric-pressure source (12), of a collection line (14, 16) connected thereon and of a plurality of connection lines (22) which are connected to said collection line and can be respectively shut off by a scavenging valve (24). In order to stabilise the subatmospheric pressure available at the connection lines and thus to ensure the function of scavenging valves controlled in dependence on pressure, the invention provides that the collection line (14, 16), passing between the connection lines (22) and the subatmospheric-pressure source (12), is laid in an inclined manner and is dimensioned such that part of its inner cross-section remains free, even if it is subjected to peak loading. <IMAGE>