baber/WOPTO huggingface dataset:
Patent DE-4028744-A1 (DE)
Title: Tuning local oscillator to incoming signal - using free running oscillator with frequency dividers on conjunction with comparator circuit
Inventor: HORNUNG UWE DIPL ING
IPC: H04L7/033
Filed: 1990-09-11
Abstract: The system (1) used comprises a control module (4) with a synchronisation (5) and control (6) circuits, a free-running oscillator (2), a frequency divider (3) using a first counter (7), a compacitor (8) and a second counter (9). A synchronisation clock signal (ST) is produced through the synchronisation of received signal (ET) with a free-running clock signal (OT), a comparator compares the state of the first counter (7) which counts signals (OT) with the state of a second counter (9) synchronised counter. USE/ADVANTAGE - Digital transmission systems, e.g. for remote control. Complete circuit can be produced on LSI chip because no crystal is required.
Patent DE-4030740-A1 (DE)
Title: Rear subframe for automobile - as parallel members raised over rear axle and with designed lateral impact support
Inventor: HARASAKI HAYATSUGU
IPC: B60K15/063
Filed: 1990-09-28
Abstract: The rear subframe has two parallel frame members (1a,1b) which run horizontal from the middle section of the chassis and then loop over the rear axle and terminate in a horizontal rear secion. The fuel tank is split into two parts; one section (13) sited between the chassis members above the rear axle and one section (18) as a flat tank between the forward, horizontal sectionss of the frame members. The frame members have a varying lateral rigidity along their lengths. This protects the suspension mountings as well as the fuel tank, in a lateral collision. The vehicle can be moved after such a collision, and could be repaired. ADVANTAGE - Improved safety, less fuel tank rupture risk, improved lateral impact protection.
Patent DE-4100389-A1 (DE)
Title: Slip-control vehicle braking system - incorporates building block principles to create compact design
Inventor: BECK ERHARD
IPC: B60T8/34
Filed: 1991-01-09
Abstract: The vehicle braking system incorporates a slip-dependent control of the braking pressure. It has a dividing valve (1) between the master cylinder (23) and the wheel brake (24). The braking system is constructed on the building block principle and the valve has three effective surfaces: the first and largest (A1) is subject to the master cylinder; the second (A2) is subject to pressure from a pump (22); and the third and smallest (A3) is subject to wheel brake pressure. USE/ADVANTAGE - Braking unit for vehicle in which considerable cost reductions can be achieved by virtue of the building block design.
Patent DE-4100927-A1 (DE)
Title: Aerosol prodn. for mist effect useful in theatres etc. - involves evapn. of concentrate contg. water and/or alcohol(s) and polyethylene glycol(s)
IPC: C06D3/00
Filed: 1991-01-15
Abstract: A process is claimed for the prodn. of aerosols (I) by evapn. or atomisation of a liq. spray concentrate (II) consisting of mono- or poly-hydric alcohol(s), pref. glycol(s) and/or water. (II) contains 0.1-95 wt.% polyethylene glycol(s) (PEG). The PEG has mol.wt. 150-2500, and consists of at least 2 different PEG's or a single pure PEG. USE/ADVANTAGE - The invention provides a relatively low-energy process for the prodn. of mist-like aerosols (e.g. for protecting plants from frost, producing mist effects in theatres and discotheques etc.), using substances which are non-toxic, non-flammable and not potentially suffocating (contrast prior-art systems using dry ice, combustion engines etc.).
Patent DE-4103986-A1 (DE)
Title: Double pump with radial piston and sliding vanes - provides small amount of axial play for cylinder ring
Inventor: MERZ JOHANN
IPC: F04B1/053
Filed: 1991-02-09
Abstract: The double pump consists of a radial piston pump (1) and a sliding vane pump (2) with the rotors of both pumps being mounted on a common shaft (6). The radial pump (1) has a cylinder ring (8) which is fitted in a recess in the housing (4) which is fitted with an end cover (5) which is secured by screws (25). The dimensions of the cover (5), the depth of the recess (17) in the housing (5), and the axial width of the cylinder ring (8) are such that the cylinder ring has a small amount of axial play. The cylinder ring (8) is secured in the housing (4) by a pin (24) and a sealing ring (30) with a backing ring (31) are fitted in the floor of the recess (17) in the housing (4). USE - Double pump.
Patent DE-4103993-A1 (DE)
Inventor: HEIM OTMAR
IPC: B66F7/08
Filed: 1991-02-09
Abstract: Described is a trolley for transporting workpieces (1), in particular bars, the trolley having a main housing or frame (13) which  travels on wheels (14, 15, 17, 18) and the workpieces (1) being held on a bed (4) on the main frame. The bed (4) is connected to the main frame (13) by a scissor-type jack (7) with which it can be raised and lowered.
Patent DE-4108328-A1 (DE)
Title: Therapy treatment radiation appts. - has control circuit determining duration of IR, visible or UV radiation from matrix of elements e.g. LEDs
Inventor: KOTHMEIER GEORG
IPC: A61N5/06
Filed: 1991-03-14
Abstract: The radiation elements (2) can be controlled in sequence and/or frequency, and/or cycles, and /or intensity singly or in groups. Pref., LEDs are used with reflectors so that the transmitted light is brought to a focus point. The LEDs are pref. mounted on a curved carrier (3) so that radiation can occur in a cavity. The carrier has a spherical or cylindrical shape. The LEDs can be i.r. type delivering i.r. pulses at a frequency of from 0.1 to 5 kHz. An audio signal can be delivered in parallel with the radiation of an intensity and frequency set by the control circuit. The control of the radiation elements can be set by the rate of breathing or a pulse sensor in the sense of a bio-feedback. The control can include a quartz regulated microprocessor. A monitor provides an emergency switch-off for non-programmed and unpredicted conditions. ADVANTAGE - Easy, low-loss variation for partial or complete human body radiation through change of intensity, frequency and cycle from short radiation pulses to continuous radiation period.
Patent DE-4108808-A1 (DE)
Title: Analytical sensor comprising silicone membrane on end of fibre optic - held in carrier tube, for measuring oxygen@ concn. in fermentation from quenching of fluorescent dye dissolved in the membrane
Inventor: DREMEL BERND A A
IPC: G01N21/64
Filed: 1991-03-18
Abstract: Sensor arrangement for determn. of an analyte comprises: (1) a light conductor (fibre optic) set in a carrier; and (2) on the front of the conductor, a sensor consisting of a silicone membrane in which is dissolved a fluorescence indicator (I). The membrane is stretched over a transparent holder (pref. convex on its front side) mounted on the front end of the conductor. (I) is pyrene-butyric acid, decacylene or a Ru complex. USE/ADVANTAGE - The sensor is used to monitor the O2 concn. in fermentation processes based on increased quenching of fluorescence emission from (I) as the O2 concn. increases. It can be operated without supervision and the sensor is easily exchanged.
Patent DE-4112702-A1 (DE)
Title: Road reflector stud - is made of glass and is rectangular in plan, having integral reflecting surfaces at steeper angle to base than light receiving surfaces
Inventor: ZIVNY DIETMAR
IPC: E01F9/553
Filed: 1991-04-18
Abstract: A road reflector stud is made of light permeable material, and the light receiving surfaces (2,2') are inclined at an angle of fifteen to seventy five degrees to the base (4). The reflectors (3,3') are inside the stud and inclined at a steeper angle to the base (4) than the light receiving surfaces (2,2'), pref. at an angle of sixty to ninety degrees, or at right angles to the incoming broken light rays. Alternatively the light receiving surfaces (2,2') could be inclined at an angle of thirty to sixty degrees. The stud (1) is rectangular on plan and can be of glass. USE/ADVANTAGE - Has good loadability and high reflecting power even at long range.
Patent DE-4115744-A1 (DE)
Title: Urgent deceleration warning lamp circuit for motor vehicle - alerts following driver by lighting additional rear lamps and flashing direction indicators at different retardation thresholds
Inventor: GOLLNISCH HANS-GERT
IPC: B60Q1/46
Filed: 1991-05-14
Abstract: The prescribed brake warning lamps are augmented with two lamps (12, 13) switched-on by a deceleration sensor (32) in the form of a normally-open switch which closes at a threshold value of e.g. 0.4 g. At a higher threshold (e.g. 0.6 g) another sensor (33) energises a relay (39) with a hold-in contact (42) and an alarm contact (41) which supplies current to the flasher unit (22), so that all four direction indicator lamps (17, 18, 19, 21) respond as to the conventional emergency switch (29). ADVANTAGE - Reliable deceleration-dependent switching of additional lamps is achievable without modification of braking system.
Patent DE-4122157-A1 (DE)
Title: Rotary stove burning wood waste - has rotating drum with which rotates delivery unit feeding material into combustion chamber
Inventor: HOFSTETTER EUGEN MARIA DR
IPC: F23G7/10
Filed: 1991-07-04
Abstract: The combustible material passes into the rotary tube stove (1) via a filler shoot (3), and the rotation of the stove and the scoops which it contains, the material is broken up, and passed axially through the stove longitudinally. At the end (1a) of the stove, the material is burnt. The hot combustion gases produced are partly sucked back through a suction blower (4) to the area of the filler shoot (3), and from there are dispersed via suction conduits. The hot gases dry the combustible material, and the gases emanating from the drying process are sucked away by the suction blower in company with the combustion gases. The part of the combustion gases which is not sucked back into the inner chamber of the stove is re-burnt in the combustion chamber (2). Such gases are fed to a heat exchanger (7) and cooled for the prodn. of steam, hot water or hot gas. USE/ADVANTAGE - To burn wood waste, using a plant which cleans the gases emanating from the wood drying process in company with a part flow of combustion gas without additional derogatory effect on the environment.
Patent DE-4123498-A1 (DE)
Title: Kidney and bladder connecting catheter - is Y-shaped with drainage holes along all three arms and each arm terminating as incomplete loop
Inventor: MUELLER-MARIENBURG H W L DR
IPC: A61F2/04
Filed: 1991-07-16
Abstract: The catheter (1) forms a connection between both kidneys and the bladder, and is Y-shaped, with drainage holes (3) spaced along all three arms, communicating with the hollow interior. The end of each arm is formed as an incomplete loop (6). Drainage holes (5) are included in the straight part of each arm in addition to the holes in the end loops. The catheter is available in three specified sizes. USE/ADVANTAGE - For operations on the urine conveying ducts. Good control of ends by manipulation wires also of removal. Optimum flow control.
Patent DE-4124872-A1 (DE)
Title: Semiconductor component on indium phosphide substrate for DFB laser diode - having no phosphorus in grown layers and relief-like surface of overgrown layer
Inventor: GESSNER ROLAND
IPC: H01S5/12
Filed: 1991-07-26
Abstract: Semiconductor component on an InP substrate (1) is claimed in which all grown layers contain no P and an overgrown surface of the substrate has a relief-like structure. USE/ADVANTAGE - Used for a DFB laser diode. The component is function specific and is easy to mfr.
Patent DE-4125128-A1 (DE)
Title: Gear-pump for molten polymer - has screw-thread delivering to interior between unloading zone and airtight seal
Inventor: HELBING ULRICH
IPC: F04C15/00
Filed: 1991-07-30
Abstract: The gear-type pump for molten polymer has a seal for the driving shaft (7) adjacent to the plain bearing (11). This comprises an unloading zone (12) connected to the pump interior via the plain bearing, which acts as a throttle, and via an unloading passage (14) to the inlet side of the pump; and an airtight seal, which seen from the unloading zone, is at the driving end of the shaft, and remains airtight at a pressure difference of up to 1 bar. Between the zone and the airtight seal is a screwthread (19), delivering towards the pump interior. The seal can be formed by a slipring (26) with an annular grease-storage chamber (27.1). USE/ADVANTAGE - Maintains set pressure, with no damage to air seal.
Patent DE-4125252-A1 (DE)
Title: Connector for two coaxial shafts - consists of axially protruding sections of part circular cross=section, and matching holes
Inventor: KANEHIRA MAKOTO
IPC: F16D1/10
Filed: 1991-07-31
Abstract: The connection for two coaxial shafts (1a,1b) placed end-on to form a continuous structure in a drive-mechanism consists of each shaft possessing at least one section (3a,3b;) protruding axially from the shaft (1a,1b). The section (3a,3b;) have a part-circular cross section matching an axial, part-circular cross section of a hole (4a,4b;) in each shaft (1a,1b). The protruding sections (3a,3b;) and the holes (4a,4b;) form a sleeve (5) with a cylindrical hole (6). At least those parts of the shafts (1a,1b) inside the sleeve are made of ceramic and fit inside with some clearance. USE/ADVANTAGE - Shafts made of friable and brittle material can be coaxially joined.
Patent DE-4131000-A1 (DE)
Title: Jet loom weft cutter - has a hot wire between jet and insertion channel outside jet flow field with facing yarn push unit
Inventor: WAHHOUD ADNAN DR ING
IPC: D03D45/50
Filed: 1991-09-18
Abstract: The appts. to cut the weft, at a jet loom, has an electrically heated and stationary hot wire pref. outside the flow field of the weft jet insertion unit, enclosed within a housing with a yarn guide slit. A yarn push unit is diametrically opposite the yarn guide slit. The yarn push unit is pref. an arm of an angled lever, with a fork-shaped head to grasp the weft between the jet insertion unit and the start of the weft insertion channel. The yarn push unit can also be a swing arm, rotating on an axis parallel to weft line, of it is a push unit sliding axially parallel to the reed movement. The operation of the weft push unit is synchronised with the loom through a kinematic link to the main shaft. The weft can also be moved along a sliding path against the hot wire through the yarn guide slit in the hot wire housing. The weft is severed in the time gap between the beating-in and bonding of the weft into the woven fabric. ADVANTAGE - The appts. gives a rapid and clean cut to the weft yarn, esp. when working with filament yarns, without the complexity of mechanical cutters.
Patent DE-4135114-A1 (DE)
Title: Pivot lever gear for sun blinds - has stop body fitted on guide rail for drop arm movable upwards and downwards
Inventor: GALLMETZER ALOIS
IPC: E06B9/92
Filed: 1991-10-24
Abstract: The drop arm (4) has roller-bearinged and in the folded-in state is movable downwards to the stop body with which is engages, being pivotable outwards in this engaged position around a pivot axis (4.1). Out of engagement with the stop body it is movable upwards only in the folded-in state. The stop body (3) is a bearing shell body fixed to the guide rail (2) with a bearing shell (30) open to the pivot axis (4.1) of the drop arm (4). On the drop arm is at least one control projection (14,14a) which engages behind the bearing shell body (3) in the drawn-in state of the pivot axis. USE/ADVANTAGE - A sun blind movement mechanism in which there is a frictionless working of the drop arm with the stop body.
Patent DE-4140032-A1 (DE)
Title: Polygonal mirror group for precision high-speed scanning device e.g. in laser printer - has polygonal mirror lying at centre of bearing with mirror surfaces symmetrical to axis defined by end faces
IPC: G02B5/09
Filed: 1991-12-05
Abstract: The polygonal mirror group has the mirror surfaces around its periphery lying symmetrical to an axis, defined by the end faces, at least one of which is in the shape of a skull cap. Pref. the polygonal mirror group has a polygonal mirror made of optical glass, a bearing and an electric motor drive, the polygonal mirror lying at the centre of the bearing. The end faces may be bi-convex, plano-convex, or plano-concave. The mirror surfaces pref. have interference coatings with different wavelengths. ADVANTAGE - Ensures high tolerances.
Patent DE-4142434-A1 (DE)
Title: Two=part ski-binding esp. for ski jumping - has base ski-fixed part, and detachable part with release mechanism, tensioning piece, guide jaw, lever, and guide rollers
Inventor: EUGLER NORBERT
IPC: A63C9/085
Filed: 1991-12-20
Abstract: The two-part (1,2) ski binding has a base part (1) fixed to the ski, and a detachable part (2) attached by a release-mechanism (6,9) to the base part, in a position for use. The base (17) of a tensioning-piece (4) is fixed to the detachable part by its U-shaped guide jaw, at right angles to the ski upper surface have a tensioning-shaft on each side turned by a lever. The two sides top edges (20,21) bend partly inwards. The base-part has at least three freely rotating guide-rollers (10) with peripheral grooves (11). USE/ADVANTAGE - The all-purpose ski-binding, especially for ski jumping holds the ski-boot so that the heel can be lifted up, and the front part of the sole is attached to the binding by a tensioning piece.
Patent DE-4203170-A1 (DE)
Inventor: ISAK HEINZ DR
IPC: C07C249/12
Filed: 1992-02-05
Abstract: The present invention relates to a process for the preparation of E-oxime ethers of phenylglyoxylic esters of the general formula I <IMAGE> in which X and Y denote halogen, alkyl, alkoxy, CF3, C(=NOR)R (R = alkyl and alkenyl), by reacting oximes of the formula II <IMAGE> with a methylating agent in an organic diluent, and process for the preparation of E-oximes of phenylglyoxylic esters of the formula II by isomerising the E/Z oximes.
Patent DE-4209305-A1 (DE)
Title: Field oriented control of asynchronous machines - having integrator for U delta -Uref, output with I eta  subtracted and input to proportional amplifier to give Uref.
Inventor: RAPP HOLGER DIPL ING
IPC: H02P21/00
Filed: 1992-03-21
Abstract: The field-oriented control of induction machines with dynamic evaluation of the necessary steady state stator voltages uses a control system that outputs the desired value of the current vectors in the rotating  delta - eta  coordinate system. Either a mathematical relationship exists between the angular speed of the rotor flux space vectors relative to the stator a-b coordinate system and the reference angular speed, or in addition there is a mathematical relationship between the rotor speed and the reference angular speed. The difference between U delta  and a reference voltage, is integrated with a time constant simulating the machine's sub-transient inductance. The output has I eta  subtracted form it portional amplifier whose output is the original reference voltage. ADVANTAGE Improved control strategy.
Patent DE-4209879-A1 (DE)
Title: Front part of motor vehicle bodywork - has side members which also serve to stiffen wheel arches
Inventor: FUJII YOSHIO
IPC: B62D25/08
Filed: 1992-03-26
Abstract: The front part of the bodywork of a motor vehicle is formed separately from the main chassis (C) of the vehicle. The front part of the bodywork has a separate chassis which is foremd by side members (8) which are fastened to the main chassis (C). The side members (8) also serve to stiffen the wheel arches (1) which are formed integrally with the front part. The side members (8) support a sheet metal shell which forms the outer surface of the front part. USE/ADVANTAGE - Motor vehicle bodywork. The side members stiffen the front part without adding excessive weight.
Patent DE-4210532-A1 (DE)
Inventor: MEISNER WOLFGANG
IPC: B62D55/084
Filed: 1992-03-31
Abstract: A variable gauge running gear (1) has a main frame (3) and two auxiliary frames (4) mounted on both sides of the main frame and laterally swingable by means of parallelogram suspensions (5, 6). A hydraulic actuating device which acts on each of the auxiliary frames by means of a coupler (9) is provided to swing the auxiliary frames (4). The couplers (9) engage a pair of opposite parallelogram suspensions (6). The actuating device has a hydraulic cylinder (8) arranged in the longitudinal centre plane (2) of the running gear (1), both couplers (9) being hingedly connected to one end (10) of the hydraulic cylinder (8).
Patent DE-4212134-A1 (DE)
Inventor: BOMBARDELLI EZIO
IPC: A62D5/00
Filed: 1992-04-10
Abstract: Topical cosmetic and pharmaceutical compositions are provided for the external protection of human or animal tissues from contact with heavy metals, and said composition comprising a metal sequestering component capable of binding metal ions and a physiologically inert carrier suitable for topical administration. The said metal sequestering component comprises one or more metal binding peptide having a high proportion of cysteine residues, for example a metallothionein.
Patent DE-4217688-A1 (DE)
Inventor: HAEHNLE HANS-JOACHIM DR
IPC: G03F7/027
Filed: 1992-05-29
Abstract: The invention relates to radiation-crosslinkable mixtures consisting essentially of   (I) at least one carboxyl-containing polymeric precursor of high-temperature-resistant heterocyclic polymers which is soluble in polar organic solvents, (II) at least one copolymerisable ethylenically unsaturated ternary sulphonium salt,   (III) a photoinitiator or photoinitiator system, and   (IV) at least one polar aprotic organic solvent.   These mixtures are suitable for producing high-temperature-resistant relief structures.
Patent DE-4220453-A1 (DE)
Inventor: SCHUELL VOLKER DR
IPC: C08L101/00
Filed: 1992-06-23
Abstract: The invention relates to homogeneous copolymers having a glass transition temperature of above 40 DEG C made from a monomer whose homopolymer has a glass transition temperature of above 65 DEG C and (meth)acrylates having a C8-C22-alcohol component. The invention also relates to moulded compositions comprising a thermoplastic and polymeric processing auxiliary comprising a monomer having a Tg of >/= 65 DEG C and a monomer having a C8-C22-alkyl component, where a ten percent strength solution of the polymeric auxiliary in ethyl acetate causes a maximum transmission of 90%.
Patent DE-4227019-A1 (DE)
Title: Modified amine or amide polymers - prepd. by reaction with functionalising component and crosslinker
Inventor: GECKELER KURT E DR
IPC: C08F8/00
Filed: 1992-08-14
Abstract: New polymeric materials (I) are prepd. by condensing a polymer (II) contg. amino or amide gps. with a component (III) serving to introduce a functional gp. and a component (IV) having a crosslinking function. USE - (I) are useful in analytical, technical, diagnostic and therapeutic applications. (I) may be used for sepn. and enrichment of metal ions and (in)organic anions, since they form complexes with ions of elements of atomic no. 4, 12, 13, 20-29, 31-33, 38, 39, 42-44, 49-52, 56-83 or 89-103, with cations of (in)organic basis, amino acids and amino acid amides, and/or with anions.
Patent DE-4228834-A1 (DE)
Title: Oscillating signal generating stage e.g. PLL balancing method - superimposing signal on oscillator control signal causing control signal value to correspond to neutral value
Inventor: RIEGER MARTIN
IPC: H04N5/44
Filed: 1992-08-29
Abstract: The method is applied to balance a stage which generates an oscillating signal and includes a control stage. The control stage drives an oscillator by a signal (S1) which controls the oscillator output frequency. A signal (S2) is superimposed on the control signal. The value of the superimposed signal is determined such that the value of the control signal corresponds to an essentially neutral value. USE/ADVANTAGE - For use in e.g. TV set. Reduces interference caused by oscillator control signal.