baber/WOPTO huggingface dataset:
Patent DE-3924693-A1 (DE)
Title: Small, universal safety arrangement for control circuits - is intermediates port contg. switch, parallel diode, RC element, optical coupler and tests for open and short circuits
Inventor: GROEBE KARLHEINZ
IPC: H01H9/16
Filed: 1989-07-26
Abstract: A safety arrangement for control circuits takes the form of an intermediate port. The control circuit is fitted with a peripheral switch (6) with a parallel diode (7). The port contains at least one RC element (8,9) connected to a Zener diode (10). The port contains an integrated optical coupler (11) providing voltage isolation between the input and output circuits. An additional PTC resistor (12) is connected in series with the RC element's resistor (8). USE/ADVANTAGE - Monitoring protective conductors of unearthed equipment for shorts and/or open circuit using small, universally applicable device which eliminates erroneous fault signals.
Patent DE-3927304-A1 (DE)
Title: Subscriber terminal for limited fuser network - consists of personal computer, data memory and/or data printer
Inventor: KRETZSCHMAR ULRICH
IPC: H04N7/16
Filed: 1989-08-18
Abstract: The terminal contg. transmission system has a TV transmitter, sending a user's signal, a video signal, and a data signal, evaluated on the reception side in decoders for the user's, video, and data signals. The subscriber terminal is a personal computer (15), a data memory (10,11) and/or a data printer (13). Pref. the three decoders (5,6) are combined in an apply (3) coupled by plug connectors to the computer, data memory and/or data printer. The appts. may be fitted in a separate housing, and may have its own time control (19).
Patent DE-3931101-A1 (DE)
Title: Automatic lock for door - extends bolt automatically on entering lock plate
Inventor: SCHONERT FREIMUT
IPC: E05B65/10
Filed: 1989-09-18
Abstract: The automatically-engaging lock is particularly for a door, having a catch and a bolt extended through openings in the housing to engage in holes in the lock plate. The catch is thrust into the engaging position by a resetting mechanism. As the lock enters the lock plate, the bolt (3) extends mey automatically into the engaged position. The mechanism extending the bolt can be actuated by the catch (2). USE/ADVANTAGE - Automatically engaging lock enquires no additional bolt and is usable with a coventional lock plate.
Patent DE-3933680-A1 (DE)
Title: Central heating boiler - has intermediate vessel installed inside cylindrical outer vessel
Inventor: MUELLER WERNER
IPC: F24H1/44
Filed: 1989-10-09
Abstract: A central heating boiler is in the form of a double walled (2,3) cylinder through which the heating liquid is  circulated. An oil burner (20) is fitted to one end of the boiler with the flame (19) extending over the length of the boiler. An intermediate vessel (13) is fitted inside the inner wall (3). This vessel is formed in two parts (14) and (15) which are connected by tubes (25,26) and (32,33). A pump (30) circulates the heating liquid from the outer cylinder through the intermediate vessel (13) and then returns the liquid to the outer cylinder. The intermediate vessel produces a decisive increase in the quantity of heat transferred from the burner to the liquid. USE - Central heating.
Patent DE-3937358-A1 (DE)
Title: Securing component on shoe sole - has retracting and lockable body engaging detachably with pedal of bicycle
Inventor: NAGANO MASASHI
IPC: A43B5/14
Filed: 1989-11-09
Abstract: The component on a shoe underside secures it to a bicycle pedal, and comprises a mounting portion (2) fixed to the sole.  This accommodates a plate-type body (1) engaging detachably with the pedal, and which can be extended from or retracted into it. A holder secures the body in either position as desired. The body can be bent over at the front and rear to form protruding flanges engaging with the pedal. USE/ADVANTAGE - Shoe has securing members on sole to attach it to bicycle pedal gives comfortable walking when dismounted.
Patent DE-3938293-A1 (DE)
Title: Dishwasher with concentric rotary spraying arm and bearing - has mechanically pre-stressed sealing ring between top surface of arm and underside of tube end flange
Inventor: SCHEUERLEIN HANS
IPC: A47L15/22
Filed: 1989-11-17
Abstract: Cleansing liq. is pumped under pressure through a tube (2) within which a twin-bladed spraying arm (3) rotates about the axis of a fixed pin (4) carrying a bearing spigot (5) with a threaded end (6) within a sleeve (7). The internal dia. of the rim (9) of the opening (8) into the arm (3) matches that of the tube (2). A bellows-type sealing ring (11) is compressed between the arm (3) and a skirted flange (14) around the end of the tube (2). ADVANTAGE - Loss of liq. by leakage from transition between fixed tube and rotary arm is reduced.
Patent DE-4000845-A1 (DE)
Title: Sepg. gas-liq. mixt. - using first cyclone chamber to separate liq. from gas and second fine sepn. chamber with fine pored fixed filter
Inventor: ACKER GERHARD
IPC: B01D50/00
Filed: 1990-01-13
Abstract: A gas/liq. mixt. for sepn. tangentially enters the outer chamber of a first cyclone separator (5) horizontally mounted in the prelaminary sepn. chamber (1) of a horizontal drum.  This cyclone terminates at an intermediate partition (3) beyond which is a sepn. chamber (2) for fine residual liq. droplets, operating with a porous cylindrical filter (10). Both areas in the first cyclone are defined by cylinder walls (6,7) whereof the inner wall (6) forms a gas-only connection between the two chambers (1,2). ADVANTAGE - Improves liq. sepn. efficiency in the first separator chamber.
Patent DE-4004540-A1 (DE)
Title: Ferromagnetic multilayer film with uniaxial magnetic anisotropy - has nickel-iron alloy layer and a second ferromagnetic layer contg. carbon or nitrogen on substrate
Inventor: BARTSCH WOLFGANG
IPC: H01F41/20
Filed: 1990-02-14
Abstract: A ferromagnetic multi-layer film (I) with uniaxial magnetic anisotropy, high magnetic saturation induction (Bs) and low magnetostriction (lambda) comprises a thin layer of an NiFe-alloy and a second thin layer of a ferromagnetic material (II) on a substrate. (II) is predominantly made up of Fe with a predetermined amt. of an additive (III). The novelty is that (III) is carbon or nitrogen, present in an amt. of 0.01-1.5 wt. %. Prepn. of (I) is also claimed, in which the uniaxial magnetic anisotropy is impressed using a magnetic constant field (B). The first layer (5i) is an NiFe-alloy contg. 5-20, esp. 15.5 wt. Fe and is of thickness (d1) of 5-50nm. The second layer (6i) has a thickness (d2) and is of the same size as (d1). Ratio V of d2:d1 is V = 2-6. The multi-layer film is deposited on the substrate and the substrate contains TiC. USE - (I) are used in magnetic heads.
Patent DE-4006326-A1 (DE)
Title: Sepg. membrane for heat-transport tank wagons - comprises single-layer lattice of aramid, coated on both sides with elastomer and stable to 200 deg. C.
Inventor: BRUECKNER JOACHIM DIPL ING
IPC: B61D5/00
Filed: 1990-03-01
Abstract: Flexible sepg. membranes (I) for heat-transport tank wagons are claimed. (I) consists of a single-layer tension-carrier (b) coated on both sides with elastomer (a); (b) is a latticework or woven structure with adequate penetration factor, and (a) and (b) are both thermally stable up to 200 deg.C. Pref. (a) is based on EPDM terpolymer rubber, butyl rubber (IIR) or silicone rubber, and (a) is based on aramid, Teflon (RTM) or glass; (I) consists of head pieces and a cylindrical part, and has thickness about 1.3 mm and unit wt. about 1.5 kg/m2. Pref. (I) consists of an aramid lattice coated on both sides with EPDM, and is stable in water up to about 170 deg.C; Fig 1 shows the head pieces (2) and the cylindrical part (3) as several individual parts joined together at the broken lines (4) with seams 55 mm wide and 2.6 mm thick; the solid lines (5) show where perforated edge sections are provided for fixing into the tank wagon; the complete membrane is fitted with a connecting strip at the edge, 50 mm wide and 3.9 mm thick, and is then put into the tanker through one of the two manholes. USE/ADVANTAGE - (I) are useful in rail tank wagons for long-distance transport of heat (as hot water); the function of (I) is to separate the hot water being pumped into the tanker from the cold water being squeezed out. System enables the transport of heat for more than 100 km, using waste heat rather than heat from fossil fuels, and without fixed pipelines.
Patent DE-4008036-A1 (DE)
Title: Simulating prey for animals - involves mechanical device which holds bait above ground
Inventor: SCHWARZ MARTIN
IPC: A01K15/02
Filed: 1990-03-14
Abstract: The baiting device is for simulating prey for animals. It has an arrangement of bars which takes the guiding device (4-9) and the holding device (10, 11) and the cable tackle (13, 14). The bar arrangement is installed below ground, in such a way that the holding device with the bait (12) projects above the ground surface. USE/ADVANTAGE - A prey simulator which provides both the animal and an observer with a realistic impression of the act of catching prey.
Patent DE-4009108-A1 (DE)
Title: Thermocouple setting appts. e.g. for potentiometer or valve - uses wire under spring tension wound around core
Inventor: HENNING ALBERT
IPC: H05B41/18
Filed: 1990-03-21
Abstract: The thermocouple device (1) comprises a cylindrical housing (2) with base plates (3), a core (4) with a bobbin (5) and coil (6), a plug (8), a spring (9) and a heating resistance element (11). A wire (6) is wound around a carrier fixed to the end of the base plate (3), the wire being held under tension by a spring (9). USE - Valves or rheostat for energy saving fluorescent light circuit preventing light going out when ambient temp. drops.
Patent DE-4013244-A1 (DE)
Title: Air cooled cast iron brake disc - is in one piece with inner and outer annular disc, with radial cooling ridges between them and pan shaped piece
Inventor: SCHMIDT KARL
IPC: F16D65/12
Filed: 1990-04-26
Abstract: The air-cooled, cast-iron brake disc is cast in one-piece and consists of an inner and an outer annular disc (1, 2) between which are radial cooling-ridges (3). A pan-shaped piece with wall (6) and base (5) is joined in the middle to the annular discs (1, 2). A flange (7) is formed in a curve between two cooling ridges (3) joined to it. On the wall (6) of the pan-shaped section's end and the flange (7) slopes towards the pivot axle of the annular discs (1, 2). USE/ADVANTAGE - The transition between the pan shaped piece and annular disc is designed so that the brake disc withstands high loads.
Patent DE-4015099-A1 (DE)
Inventor: WOOD TIMOTHY JOHN
IPC: H03M1/28
Filed: 1990-05-11
Abstract: An optical or similar encoder has a rectangular encoder plate 20 with three parallel tracks. One track has a pseudo-random binary pattern of length 2<n> bits which is read into a shift register 72 of n bits in length one bit at a time as the plate is displaced. When full, the contents of the shift register 72 identify uniquely the absolute position of the plate 20. The other tracks are clock tracks displaced by 90 degrees from one another which enable the boundaries between bits in the first track and the direction of movement of the plate to be identified. <IMAGE>
Patent DE-4019009-A1 (DE)
Inventor: BAUERSCHMIDT WERNER DIPL ING
IPC: H04B1/403
Filed: 1990-06-13
Abstract: 2.1 To meet the need of the telephone subscriber for mobile communications, mobile radio services, which can be roughly divided into the categories of radiotelephony service, radiopaging service and other mobile radio services, e.g. radio data transmission or service radio, have been further developed to an increasing extent in recent years. As investigations have revealed, there is an ever-growing need for extreme simplicity of use, additional facilities and supporting features of the subscriber equipment used. 2.2 To provide the subscriber, in the new multifunctional radio apparatus switching between different operation modes, with the user facilities also known in line-connected subscriber equipment, an answering machine is disposed in the radio apparatus, in particular a telepoint-capable mobile component or mobile component of a cordless telephone with a paging receiver built into the mobile component. A control device controlling the different apparatus functions and operation modes can also take over the function of an automatic dialling unit. 2.3 The new radio apparatus can be used in differently designed data transmission systems for switched connections. <IMAGE>
Patent DE-4025543-A1 (DE)
Title: Steering axle for industrial truck - has pivot bolster with wheel hubs on axle body
Inventor: WILL HARALD DIPL ING
IPC: B66F9/075
Filed: 1990-08-11
Abstract: The steering axle is for e.g. a fork lift truck. It has an axle body, which is pendulously suspended about an axis, located in longitudinal direction of the vehicle. The ends of the axle body (1) each carry a pivot bolster (4) with wheel hub (6). A double-acting hydraulic cylinder (14) with double-extendable piston rod (15) is fastened to the axle body, parallel to it. The ends of the piston rod are hinged to the pivot bolsters, via steering rods (16). USE - Steering axle for fork-life truck.
Patent DE-4025918-A1 (DE)
Title: Collapsible container with stacking corners - has shorter and longer tubes for easier engagement and handling
Inventor: JUERGENS WALTER DR ING
IPC: B65D19/12
Filed: 1990-08-14
Abstract: The collapsible container has two opposite walls each provided with stacking corners.  They each have on one wall a shorter tube and a longer tube. In the erected state they are located in the vertical tubes (3 + 7) of the other two opposing walls (6 + 8) adjoining this wall. USE/ADVANTAGE - Collapsible container with easier handling and assembly through the different length tubes.
Patent DE-4026222-A1 (DE)
Title: Data transfer circuit with processor clock phase matching - has time phase correction device accessed for reading and writing using different clocks
Inventor: PERDRIEAU LAURENT
IPC: G06F5/08
Filed: 1990-08-18
Abstract: The circuit for transferring data from a first data processing device to one or more further data processing devices writes data from the first processing device (1) into a time phase correction device (10) according to a first clock (ckl). The data are read out of the correction device according to a second clock (ck2) for processing by the second processing device (2). The second clock is the processing clock of the second processor. USE/ADVANTAGE - For transferring data between data processing devices with matching between different clocks between which there can be relative phase differences.
Patent DE-4026523-A1 (DE)
Inventor: KEESEN HEINZ-WERNER DR ING
IPC: H04N19/112
Filed: 1990-08-22
Abstract: When blocks of image data in intermediate line format undergo discrete cosine transformation (DCT), a less favorable coding effectivity is obtained in the case of a dynamic image content. It has therefore been proposed to switch between an 8*8 DCT and a 2*(4*8) DCT, for example, in adaptation to the movement. However, this entails greater expense, because two different DCT transformations are carried out. If, in the case of a dynamic image content, the pixel blocks which have been DCT transformed for a static image content are multiplied by a special matrix instead of undergoing DCT transformation, good coding effectivity is maintained and the cost of carrying out this image data processing is low. Digital video recorders.
Patent DE-4032914-A1 (DE)
Title: Hinge pin-less door linkage for road vehicle door -  has two link halves of both hinges held in engagement by single tension device in direction of hinge axis
Inventor: HELLRIEGEL EDMUND
IPC: E05D7/00
Filed: 1990-10-17
Abstract: A vehicle door (1) is connected to the vehicle bodywork via upper (2) and lower (3) hinges linked to the door column. The two hinges are identically formed, and have two hinge halves (5, 6). The one half (5) has a bowl-shaped link part (7), and the other half (6) has a partly spherical link part (8). The two link parts engage via a bearing shell (9) made of maintenance-free material. The two halves (5, 6) of each hinge (2, 3) are formed from a single piece of plate material (10, 11) and accordingly have the same distance the one from the other. A tension device (12) is fitted between the upper and lower hinges (2, 3) and comprises a spindle pin formed by a screw bolt. USE - As a pin-less hinge arrangement for vehicle door linkage.
Patent DE-4035821-A1 (DE)
Title: Flow duct with throttle valve - has pivot axle and curve flow part, with straight section
Inventor: KRZYSKA AXEL
IPC: F02D9/10
Filed: 1990-11-10
Abstract: The flow-duct has a throttle valve (2) the pivot axle (3) of which goes through the flow-duct (1). The throttle valve (2) is curved longitudinally along the flow duct's (1) curve. When the throttle valve (2) is closed, its periphery (4) rests on the straight section (5) of the flow duct (1). ADVANTAGE - The curved flow duct with a throttle valve encourages flow.
Patent DE-4039187-A1 (DE)
Title: Thermal printer with preheater - supplied with power according to heating element temp. to minimise power supply loading
Inventor: DREES FRIEDRICH-WILHELM DIPL P
IPC: B41J2/38
Filed: 1990-12-06
Abstract: A thermal printer has a thermal print head (6) with individually controlled heating elements and a pre-heater (8) near the heating elements. The preheater is only supplied with power  during printing pauses. It is supplied via a change-over switch (9). A control stage (5) supplies the power to the preheating device depending on the temp. of the heating  elements. ADVANTAGE - Uniform and hence lowest loading on power supply.
Patent DE-4112132-A1 (DE)
Title: Lever mechanism, esp. foot lever mechanism for motor vehicles - has plastics bearing bush with insertion aperture, bush having flat surfaces and restraining arm
Inventor: TIPKE JOERG DIPL ING
IPC: B60T7/06
Filed: 1991-04-13
Abstract: A lever mechanism, esp. a foot lever mechanism for motor vehicles, contains a lever (2) pivotable about a fixed axle with a rigidly connected bearing bolt (3) mounted in plastics bearing brushes (4, 5) in bearing plates (6, 7). At least one of the plate-brush pairs has a plate with a circular bush recess with an outward leading aperture of smaller dia. The other wise round bush has parallel flat surfaces at slightly less distance apart than the aperture dia. and an arm (11) engaging a latching device (12) on the plate to prevent the bush from moving out of the aperture. USE/ADVANTAGE - The mechanism is improved to facilitate mounting and removal into and from a narrow installation position.
Patent DE-4113313-A1 (DE)
Title: Waveform generator for electronic musical instrument - assembles waveform from successive voltage waveform sections with variable tone colouration
Inventor: BOEHLER LOTHAR
IPC: G10H1/04
Filed: 1991-04-24
Abstract: The waveform generator is supplied via an interface with real-time parameters corresponding to the start point, the required time amplitude, the number of operated keys, the impact force applied to the keys, the position of a modulation wheel and modulation signals for the required sound. An interpolator uses successive coordinate value pairs to provide voltage curve sections which are assembled together to obtain a required waveform, each corresponding to one period of the generated tone, with variation of the colouration over the tone duration. ADVANTAGE - Increased sound variation flexibility.
Patent DE-4114732-A1 (DE)
Title: Banknote security mark - uses 2 or more substances which are fluorescent under ultraviolet of different wavelengths
Inventor: BAYER HELMUT DR
IPC: B42D25/29
Filed: 1991-05-06
Abstract: Security marking for paper and film with a smooth surface, esp. bank notes, is invisible in daylight but can be seen when irradiated by an energy source using at least two substances which are fluorescent in rays of different wavelengths. One of the substances is fluorescent at longwave ultra-violet of 366nm, while the other is fluorescent in a shortwave ultra-violet at 254nm. One substance is fluorescent or absorbent under X-rays. The substance to fluoresce under shortwave ultra-violet of 254nm is an orange-red fluorescent of yttrium europium oxide or a compsn. Y2O3Eu. The substances for the fluorescent marking are mixed together in a homogenous blend of larger particles or units as a paint or coating which can be printed. The bonding and other agents added to the material do not or hardly absorb ultra-violet rays of 254nm. The surface of the paper, etc., is wholly covered with a neutral print which closely matches the design of the security marking, in a screen where the security marking can be applied in register. The paper surface contains no matter which will fluoresce under longwave U.V. at 365nm. The closed housing (1) has a dividing wall (2) which leaves a gap at the bottom. An entry slit (3) allows the paper material (7) to be inserted to be viewed through a window (4). Two radiators (5,5a) deliver rays at different wavelengths at the paper, which can be removed (6) after testing. ADVANTAGE - The method prevents forgery and allows detection by the relatively simple appts. available for retail outlets and currency exchange kiosks.
Patent DE-4127917-A1 (DE)
Title: Gas spring suspension unit e.g. for seats - allows adjustment by switching over valve without changing length setting
Inventor: MINTGEN ROLF DIPL ING
IPC: F16F9/096
Filed: 1991-08-23
Abstract: A fluid volume (34, 42) is supported on the group (12) and when the valve (48) is open stands in pressure-transferring connection with at least one elastically pliable reaction face (40). In this balanced state of the piston/piston rod group, the valve (48) can be converted into a second position, i.e. closed, so that at least one closed partial volume (34) supported on the group (12) is removed from the pressure-transferring connection. The elastically pliable reaction face (40) is formed by the boundary face (40) between the fluid volume and a gas volume, which (boundary face) can be formed by a displaceable partition (40). USE - Gas spring suspension unit for seat.
Patent DE-4128118-A1 (DE)
Title: Ester gp.-contg. aromatic polyether(s) with high thermal stability - prepd. by reacting aromatic di:halide 1st with bisphenol to give hydroxy-terminated polyether, then with di:functional aromatic di:ester
Inventor: WEHRMANN ROLF DIPL CHEM DR
IPC: C08G75/23
Filed: 1991-08-24
Abstract: Aromatic polyethers of formula (I) are claimed; R1-R7 = Hal (pref. F, Cl or Br), H, 1-4C alkyl (pref. Me or Et), 6-12C aryl (pref. Ph or biphenyl) or 7-12C aralkyl (pref. methyl- or ethyl-phenyl); A = SO2, CO, SO or a gp. of formula (II), pref. CO or SO2; B = direct bond, CO, O, S, SO2 or a gp. of formula -CR8R9- or (III) (with R8, R9 = Hal, H, 1-4C alkyl or 5-12C cycloalkyl, opt. with 1 or more alkyl substits., e.g, cyclopentyl, cyclohexyl, methylcyclopentyl or methylcyclohexyl; p = 4-7; R10, R11 = H or 1-6C alkyl, pref. H or Me (can be different for each Z, but with both = alkyl on at least one Z, Z = carbon)); n = 0, 1,2,3 or 4; m = 0, 1,2 or 3; y, x = 1-50. Prodn. of (I), by reaction of dihalides of formula Hal-Ar-A-Ar-Hal with (IV) bis-phenols of formula HO-Ar-(B-Ar)m-OH in the presence of 1-1.5 equivs. basic catalyst (w.r.t bisphenol) and dipolar aprotic solvents of formula (II) and/or R13-Q-R14 (III), to give an OH-terminated polyether of formula HO-Ar-(B-Ar)m-(O-Ar-A- Ar-O-Ar-(B-Ar)m)y-OH, followed by reaction with a bifunctional cpd.of formula D-Ar-OOC-Ar-COO-Ar-D; Ar = variously substd. phenylene, as in (I); R12-R14 = 1-20C alkyl, 5-7C cycloalkyl or 6-20C aryl; Q = SO or SO2; s = 3, 4 or 5; D = COCl, COOH, COOMe, COOEt, COOPr or COOBu. USE/ADVANTAGE - (I) are useful for the prodn. of moulded prods. The invention provides high-mol. wt. modified aromatic polyethers with high Tg and high heat distortion temp.