baber/WOPTO huggingface dataset:
Patent DE-3912172-A1 (DE)
Title: Mechanically engageable vehicle four-wheel drive
Inventor: BRUSASCO ENZO
IPC: B60K17/35
Filed: 1989-04-13
Abstract: Mechanically engageable four-wheel drive for motor vehicles, the drive system of which has an engine, a manual shift transmission, two wheels directly driven by the latter and two wheels driven by way of an engageable propshaft, a differential and two couplable drive shafts, which latter wheels are each provided with a freewheel device, the propshaft clutch and the clutches of the drive shafts of the engageable driving wheels having drive devices for their actuation, in which the drive devices for the clutches (11, 12) are designed as solenoid drive devices (28a, 28b), which comprise an electric motor (41) for the adjustement of an axially moveable output shaft (52) and a mechanical actuating mechanism (50, 44) preferably in the nature of a recirculating ball screw. <IMAGE>
Patent DE-3915926-A1 (DE)
Title: Patient-intubation method
Inventor: BUMM PETER PROF DR
IPC: A61B1/267
Filed: 1989-05-16
Abstract: The patient-intubation method utilises an endoscope in addition to the tube. The endoscope (11) is inserted into the pharynx before the tube (21) is passed through the nose or mouth. Where a spatula or laryngoscope is used, the endoscope can be fixed to it parallel to its wall before inertion, the fixing device being typically detachable, and allowing limited pivoting movement in the vertical and/or lateral direction.
Patent DE-3918858-A1 (DE)
Title: Simplified security system for vehicle - has immobilising systems operated when thief tries to enter vehicle
Inventor: LOHR ROLF
IPC: E05B77/28
Filed: 1989-06-09
Abstract: The security system is linked to a central locking control and includes sensors which detect any would-be thief. The sensors include intruder monitors (5) inside the vehicle space, which also react if any window is broken. The system is primed either by a key, or by an IR remote control. The servo motors which operate the security locking are only activated when the intruder detection system functions. This enables the system to be activated by a number of different intruder sensors. ADVANTAGE - Simpler and improved security system.
Patent DE-3918924-A1 (DE)
Title: Stacked capacitor type semiconductor dynamic random access memory
Inventor: WAKAMIYA WATARU
IPC: H01L27/108
Filed: 1989-06-09
Abstract: A storage capacitor in a semiconductor dynamic random access memory (DRAM) comprises a semiconductor substrate (1) having a conductive channel region (24), an insulating oxide layer (25) and an electrode (28a) formed on the substrate, a dielectric layer (29) covering the electrode and a second electrode (30) formed on the dielectric layer. Pref. the capacitor (28a, 29, 30) has raised parallel wall protrusions formed over the channel (24), gate electrode (26) and word line (27) of a transistor. A bit line (42), forming a bridge over the device, is fabricated by a sputter process.
Patent DE-3920593-A1 (DE)
Title: Anti-greying agent for washing agents - comprising laminar silicate charged with nonionic surfactant having specified hlb value
Inventor: BERCOVICI GEB SORAGA
IPC: C11D1/72
Filed: 1989-06-23
Abstract: A washing agent for industrial or domestic washing comprises at least one wash-active substance based on anionic and/or non-ionic surfactants, 0.1-20 wt.%, esp. 4-12 wt.% of a greying inhibitor (I) comprising an alkali- or ammonium laminar silicate charged with a nonionic surfactant having an HLB-value of greater than 10, and opt. conventional washing agent ingredients. Pref. the laminar silicate is charged with an ethoxylated and/or propoxylated fatty alcohol, esp. a 12-18C fatty alcohol, an ethoxylated and/or propoxylated carboxylic acid, esp. a 12-18C carboxylic acid, and/or an ethoxylated and/or propoxylated alkylphenol. Pref. the nonionic surfactant has a degree of ethoxylation or propoxylation of 6-30 (6-10) and the laminar silicate contains the nonionic surfactant in an amt. of 100-600 mg, esp. 200-400 mg per g laminar silicate. The laminar silicate pref.  has a particle size of 1-200 mcirometres, esp. where ca. 60% of the silicate has a particle size of less than 10 micrometres.  The laminar silicate is esp. a bentonite. USE/ADVANTAGE - The (I) gives excellent inhibition of reabsorption of the dirt removed from the washing and which has passed into the wash liquor, thus giving good inhibition of greying of the washing. The (I) can be incorporated into liq. or powder washing agents.
Patent DE-3922167-A1 (DE)
Title: Oral diltiazem hydrochloride dosage forms - for admin. once a day, contg. fast- and delayed-release components
Inventor: KLOKKERS-BETHKE KARIN DR
IPC: A61K31/55
Filed: 1989-07-06
Abstract: Diltiazem hydrochloride (I) compsns. for oral admin.  once a day comprise at least two (I)-contg. components.  The 1st component begins to release (I) immediately after admin. The 2nd and any other components release (I) with a predetermined delay during or after release of (I) from the 1st component, the release rate being adapted to suit the particular site of bioabsorption. Specifically (I) is cis-(+)-3-acetoxy-5- (2-dimethyl-aminoethyl) -2,3-dihydro-2-(4-methoxyphenyl) -1,5-benzothiazepin-4 (5H)-one.HCl. The 1st component pref. comprises cores with a (I)-contg.  coating and opt. a release-controlling coating. The 2nd component pref. comprises cores with a (I)-contg. coating, a 1st membrane, an acid layer and a 2nd membrane. The cores comprise (I). The 1st membrane comprises cellulose acetate phthalate (CAP). The 2nd membrane comprises a pH-sensitive polymer and an insol. polymer. The acid layer comprises NaH2PO4 or citric, tartaric,succinic or fumaric acid. USE - (I) is a Ca antagonist useful for treating angina, hypertension and supraventricular tachyarrhythmia.
Patent DE-3922651-A1 (DE)
Title: External RGB signals selector for input to TV receiver - uses priority stage operating with TV and video signals
Inventor: HAN BAIK-HEE
IPC: H04N9/64
Filed: 1989-07-10
Abstract: The priority selection circuit has inputs (I1,I2) for TV signals to a matrix (10) and inputs (I3,I4) for the external signals. AM signals are received by an integrated circuit (IC1) that has switches (SW1,SW2). Scanning signals (I5,I6) are received by a switching stage (50) and a priority generator (60), with diode inputs (D1-D4).  The selector switch outputs are combined to provide a signal for the CRR drive circuit (20). ADVANTAGE - Reduces cost of circuit for selection of signals.
Patent DE-3925382-A1 (DE)
Inventor: SCHEUBLE BERNHARD DIPL PHYS DR
IPC: G02B5/30
Filed: 1989-08-01
Abstract: The invention concerns electro-optical systems containing controllable liquid-crystal films and a device for compensating for the optical path difference d. DELTA n produced by the controllable liquid-crystal films, the compensation device being based on a liquid-crystalline polymer.
Patent DE-3928640-A1 (DE)
Inventor: BERGMANN MARCO
IPC: B41F13/42
Filed: 1989-08-30
Abstract: In order to provide a covering rail for the wide cylinder gap of a sheet-fed rotary offset printing press, which rail in conjunction with the mounted rubber blanket allows the entire region of the cylinder gap to be shielded tightly against penetration of liquids, thereby preventing the rubber blanket from loosening and, at the same time, bringing about improved compensation of imbalances in the rotating blanket cylinder, a covering rail (8) is provided in the cylinder gap (2) of the blanket cylinder, which rail has an approximately mushroom-shaped rail profile in cross-section. The rail head (9) is supported along the cylinder gap (2) via the wound-up rubber blanket (5) on clamping spindles (3, 4). The covering rail (8) is attached to the bottom (11) of the cylinder gap (2) by means of an attachment device (12, 15). A sealing compound (16, 17) is provided between the side walls (13, 14) of the blanket cylinder (1) and the surfaces facing said side walls on the rail head (9). 
<IMAGE>
Patent DE-3928931-A1 (DE)
Title: Optical data reading system - has monitor to warn of data loss due to dirty head by comparing light intensity from disc with reference
Inventor: NAKANE HIROSHI
IPC: G11B7/00
Filed: 1989-08-31
Abstract: The optical data reading system has a signal converter (12) producing electrical signals from  the optical data read from the disc.  A detector (13) determines the level of the electrical signal.  A reference level generator (15) produces a reference signal. A fourth device (14) compares the ref. with the signal level and produces an output if the level is lower than the reference. A warning device (17) responds to the output of the comparator (14). An optical scan head (11) reads the optical data on the disc.  The level of the electrical signal depends on the amount of light entering the head from the disc.  The electrical signal is a main beam signal generted by the signal converter (12) used to produce an electrical signal from the optical data. USE/ADVANTAGE - For DC-ROM player.  Warns of data loss due to dirt covering head.
Patent DE-3929716-A1 (DE)
Title: Window strip with bracket - has distance-piece between frame member and bracket clear of member end
Inventor: OVER HELMUT
IPC: E06B1/60
Filed: 1989-09-07
Abstract: The window strip comprises two or more adjacent frames joined together by a bracket having tow or more parallel ribs spaced apart for each frame member, enclosed by the latter on the inside or outside. At a distance (1, 1') from the end (2) of each member is a distance-piece (3) between member (2) and bracket (4). The distance is such that in the event of an  alteration in length of the member (5) at right angles to it the free member end (2) can bend sufficiently to avoid the member (5) breaking free. USE/ADVANTAGE - Window strip with simple method of allowing the necessary expansion.
Patent DE-3940892-A1 (DE)
Title: Electrical rectifier array with semiconductor rectifiers - uses symmetrical sus bar arrangement to evenly divide current to individual rectifiers
Inventor: BARDAHL NILS DIPL ING DR TECHN
IPC: H01L23/62
Filed: 1989-12-11
Abstract: The electrical rectifier array has conductor rectifiers (H), each with a pole electrically connected to a bus bar (5). In partic. the bus bar (5) includes arms (A) along its length, in at least one plane. Rectifiers (H) are connected to the arms (A). Pref., additional bus bars (5) are added to the form array. US[/ADVANTAGE - Electrical rectifiers. Bus bar shape provides equal current distribution to rectifiers to enable increased power handling.
Patent DE-3941007-A1 (DE)
Title: Collector tub to accommodate solvents, etc. - with steel frame structure with suspended tub that can be drawn out
Inventor: METSCHER RUEDIGER
IPC: B65D90/24
Filed: 1989-12-08
Abstract: A collector tub is for accomoodating solvents and incorporates a strong steel frame structure with a tube that can be drawn out and is suspended. The tub runs in a support, into which runners have been welded. A machine or a similar unit can be mounted on the steel structure and several tubs can be located one after the other or next to each other. These tubs are connected via overflows and the projecting tub parts are covered with stable grates. ADVANTAGE - The tub meets the very stringent criteria laid down in water pollution regulations. It is visible from all sides and can be inspected for corrosion from underneath as well. In the case of several tubs, no hazardous substances can reach the soil as the tubs are connected via overflows.
Patent DE-3941178-A1 (DE)
Title: Quantitative potential measurement using corpuscular probe - by measuring related sec. particle energy distribution displacement with simple drift and instability compensation
Inventor: SCHMITT REINHOLD DIPL ING
IPC: G01R31/305
Filed: 1989-12-13
Abstract: A method of quantitative potential measurement involves directing a corpuscular probe at a measurement point subjected to a potential and measuring the released secondary particle energy distribution displacement which is dependent on the potential. A ratio NSE (ESE greater than or equal to ES):  NSE (ESE less than ES) is held constant independently of each measurement point potential, where the first term is the number of particles whose energy is greater than or equal to a threshold level and the second term is the number with energy less than the threshold. USE/ADVANTAGE - Functional test of micro-electronics. Enables simple compensation of phase dependent measurement system drifts and instabilities.
Patent DE-3942131-A1 (DE)
Title: Uncoated tablets for slow, zero order release of trimebutin - for treating gastrointestinal disorders, contg. hydroxypropyl methylcellulose matrix, tartaric acid and diluent
Inventor: BENKERROUR LOUFTY OMAR
IPC: A61K47/12
Filed: 1989-12-20
Abstract: Uncoated tablets contain 35-45 wt.% 2-dimethylamino-2-phenylbutyl 3,45-trimethoxybenzoate (; trimebutin) or one of its pharmaceutically acceptable salts, homogeneously dispersed in a porous, hydrophilic matrix of hydroxypropylmethyl-cellulose (HPMC) at 15-20 wt.%.  The tablets also include 20-25 wt.% water-soluble and 10-20 wt.% tartaric acid (II). The diluent is pref. lactose or mannitol and the HPMC has viscosity 3000-5000 mPa.s. USE/ADVANTAGE - (I) is known for treating a variety of gastro-enterological disorders, e.g. spasms, coloric disease, oesophagitis, gastritis, reflux, etc.. These compsns. provide, slow, zero-order release of (I) with bioavailablity equal to that  of conventional tablets, and are simple to prepare.  The tablets are hard and do not adhere to punch.
Patent DE-4002361-A1 (DE)
Title: Mechanic or electronic type music teaching aid - shows relationships between keys and scales by visual or audible indication of sequence of major and minor keys
Inventor: KUEFFNER PETER
IPC: G10G1/02
Filed: 1990-01-26
Abstract: A display panel (8) with e.g. seven rows of notes (9) is straddled by a slider (10) in which correspondingly sized windows (11) are arranged in rows and columns. Major and minor keys w.r.t. a selected fundamental (2) are represented by optical and/or acoustic indications (using LEDs or  LCD-display). All of the main and subsidiary stages which belong to the established key (1) can be displayed as harmonic triads in major (4) and minor (5) including seventh (6) modes in the fifth (dominant) stage, either simultaneously or individually. ADVANTAGE - Musician is enabled to find predetermined or freely selected harmonies quickly and clearly. Can be built-in directly into electronic musical instrument.
Patent DE-4006257-A1 (DE)
Title: Sealing assembly for connections between pipes - has sealed sealing ring with sealing edges either side of bore
Inventor: BOEHLER WOLFGANG DIPL ING
IPC: F16L27/087
Filed: 1990-02-28
Abstract: The sealing assembly for the connecting point  between a stationary pipe of a pressure medium and a circulating pipe has a sealing ring (9) which encloses the second machine part (1) and is sealedd from the first machine part (5) by at least one tension ring (26,27) which adjoins the groove base (29). The sealing ring has two sealing edges (16,17)  radially aligned and resting on each side of the radial bore (3) on a contact face (4) of the second  machine part (1). The sealing ring (9) has at least one recess (20) through which the pressure medium enters into a space (19)  between two sealing edges (16,17) from the first machine part (5). USE/ADVANTAGE - The sealing assembly for connections between pipes can be adapted more easily to different groove sizes wherein the groove depths can be compensated by the tension rings.
Patent DE-4008506-A1 (DE)
Title: Electric switch operating mechanism - has spring-biased knee-lever drive acting on pivoted switch arm
Inventor: BRANDHORST WILLEM
IPC: H01H71/52
Filed: 1990-03-16
Abstract: The switch operating mechanism has a knee-lever drive (9) between the switch operating element (25) and the switch arm (5), moving through its dead-point to close the switch arm (5) against the contact (1) upon its rotation. The switch opening is effected after initial rotation about a second point of rotation, e.g. the contact (1). Pref. the switch arm (5) is acted on by a force in the same direction for both the switch closing and opening. ADVANTAGE - Reduced contact wear.
Patent DE-4012966-A1 (DE)
Title: Computer printer with integrated paper cutter - cuts in both directions using rolling knife vertical cutter
Inventor: BARDUTZKY KLAUS
IPC: B41J11/70
Filed: 1990-04-24
Abstract: Continuous paper is fed by a tractor mechanism (2) through a rolling knife vertical cutter (3), rollers (5), a print head and lastly through a horizontal knife (9). This allows forms to be cut to size at source. ADVANTAGE - Allows paper to be cut close to the print head thereby avoiding waste.
Patent DE-4015321-A1 (DE)
Title: Testing correct seating of e.g. vehicle disc brake seal - using under-pressure measurement device with test head in contact with seal, vacuum pump and meter
Inventor: FLUEHR BERND
IPC: G01M13/00
Filed: 1990-05-12
Abstract: The method for testing for the correct seating of a sealing surface involves applying the test head (2) of a reduced pressure measurement device to the sealing surface (27') so that its suction channels (32)- are in contact with the surface. An under-pressure is produced in the connection between the suction channels and a vacuum pump depending on the sealing effect of the surface with respect to the channels. The underpressure is measured and compared with a desired value. USE/ADVANTAGE - For. E.g. testing seals in vehicle disc brakes. Sealing rings of any height can be measured.
Patent DE-4021984-A1 (DE)
Inventor: EILENLEHNER EDUARD DIPL ING
IPC: B66F17/00
Filed: 1990-07-11
Abstract: The invention relates to a load pick-up vehicle, in particular a fork lift truck, which comprises a vehicle chassis (12) with a powered front axle (14) and with a rear-axle subassembly (18) having a steerable rear axle (16), a load pick-up (22) arranged on the vehicle chassis (12) close to the front axle, at least one power lift (24, 52) acting on this load pick-up (22) and influencing the magnitude of a load moment, a driving and control device (36, 38, 59) for this power lift (24, 52), and a safety device (32) to prevent tilting about the front axle (14), the said device being in operative connection with the driving and control device (36, 38, 58) for the power lift (24, 52) and/or with a warning-signal transmitter. The vehicle chassis (12) can here be raised to a limited extent relative to the rear-axle subassembly (18) if a rated load moment is exceeded, and the safety device (32) has a sensor device for detecting the relative motion between the vehicle chassis (12) and the rear-axle subassembly (18). <IMAGE>
Patent DE-4022539-A1 (DE)
Inventor: HOEFER RAINER DR
IPC: C08G18/08
Filed: 1990-07-16
Abstract: The invention concerns the use of special polyurethanes in the priming bath used in leather finishing.
Patent DE-4023791-A1 (DE)
Title: Double rotor electric motor with annular stator winding - induces co-operative currents in short-circuit windings of rigidly coupled internal and external rotors
Inventor: GHOSH SHYAMAL-KRISHNA
IPC: H02K16/02
Filed: 1990-07-26
Abstract: The concentric rotors (5, 6) fixed to a common shaft (4) rotate respectively within and around a stator (7) which is bolted (8) to a bearing plate and has an annular winding laid in grooves around its outer and inner edges. The rotors (5, 6) carrying cage windings (15, 16) in corresp. grooves (14) have equal numbers of poles,a nd their torques are added together. On the edges of the stator (7), poles of opposite polarity are arranged in alternate sequence. USE/ADVANTAGE - Max. power is obtainable at min. cost of material.
Patent DE-4031750-A1 (DE)
Title: Sliding and tilting vehicle sun roof - has interior cover moving with different motion with sun roof slowed just prior to reaching its end closed position
Inventor: SUMITANI MANABU
IPC: B60J7/05
Filed: 1990-10-06
Abstract: A vehicle sliding/tilting sunroof (16) has a mechanism (18) on each side, allowing the sunroof to be either raised above the roof or lowered and slid rearwards. An interior cover (19), which slides with the sunroof, is coupled to an operating lever (22), which allows the cover to move with the sunroof, but with a different motion. The operating lever, together with the sunroof raising mechanism, slow the cover motion just before reaching its end closed position. ADVANTAGE - Noise, caused when shutting the roof is reduced.
Patent DE-4037828-A1 (DE)
Title: Flat seal for internal combustion engines - has graphite ring with carbon fibres for reinforcement
Inventor: PAPENDORF JOERG DIPL ING
IPC: F16J15/12
Filed: 1990-11-28
Abstract: The flat seal for internal combustion engines includes a sealing ring made from a carbon-fibre reinforced graphite ring (4) placed in the passage opening (2). This graphite ring can be made from 10 to 90 percent by weight graphite and 90 to 10 percent by weight carbon fibres wherein the latter are arranged mainly in at least one plane at right angles to the pressure strain direction in the installed state. The carbon fibres can run in the circumferential direction of the graphite ring and the fibre length is pref. larger than 5 mm. ADVANTAGE - Extremely long service life and effective seal.
Patent DE-4038423-A1 (DE)
Title: Wall-cladding impact-damping system - comprises squared-timber planks sliding on suspension bolts on supporting wall
Inventor: WARTENBERG WOLFGANG HEINZ
IPC: E04H3/14
Filed: 1990-12-01
Abstract: The impact-damping system secures suspended wall cladding of profiled wooden planks, particularly in a gymnasium. Spring units being mounted are between the cladding and the supporting wall. The planks are of squared timber (2) and they are fixed in their transverse direction. They have drillings for bolts (3) protruding at right angles from the supporting wall (4), and which suspend them parallel to each other and pref. vertically. They are movable along the bolt shanks (8) for a limited distance between the supporting wall or distance-pieces (10) and the bolt heads (17). USE/ADVANTAGE - Simplicity and ease of installation of impact damping system on gymnasium wall.
Patent DE-4040860-A1 (DE)
Title: Jet engine for aircraft - has partition forming inner combustion chambers and outer free-jet chambers with Laval nozzles
Inventor: WEBER FRANZ-JOSEF
IPC: F02K9/78
Filed: 1990-12-20
Abstract: The jet engine comprises a turbine with additional high-temp. free-jet combustion chambers in the air bypass passage. It has a propulsion unit with a tail ring. The larger combustion chambers (1-1 - 1-4) are divided by a partition (1-2) parallel to the engine axis into inner combustion chambers (1-3) aimed towards the turbine (1-5), and outer free-jet combustion chambers (1-4). These have Laval nozzles (1-6) directly connected to them. USE/ADVANTAGE - The free-jet chambers also can be mounted immediately adjacent to the compressor outlet.
Patent DE-4104324-A1 (DE)
Title: Household washing machine or dishwasher - with cabinet-type housing with groove along wall to collect water leaking from inlet and lead it into collector
Inventor: KENDELL LEOPOLD VON DIPL ING
IPC: D06F39/08
Filed: 1991-02-13
Abstract: A household washing machine or dishwasher incoporates a cabinet-like housing, pipes for fresh and/or used water and a collector device for leak water. The device operates in conjuction with a safety device which blocks the fresh water supply in the event of a leak on the side of the machine. The inside of at least one housing wall incorporates a collecting grove below the guide devices for the fresh water. The groove extends across the whole of the wall width and has a discharge unit leading into the collecting device. ADVANTAGE - The invention guides leak water currents, which run down a housing wall, into the collecting device in a targettted manner irrespective of the design of the inner cabinet space.