baber/WOPTO huggingface dataset:
Patent DE-4005256-A1 (DE)
IPC: B23Q11/00
Filed: 1990-02-20
Abstract: In order to guide the drill on the one hand and remove the developing dust on the other hand when setting plug holes in building walls, a shell (18) is provided which has a sealable margin (17) lying in one plane. A support (21) for the drill is rigidly connected to this shell (18). In addition, the jig contains an air passage (9) which on the one hand is fluidically connected to a suction opening (20) near the support (21) as well as to the shell (18) and which on the other hand leads into a connection for a suction device. <IMAGE>
Patent DE-4010452-A1 (DE)
Title: Combined seat belt and head support system
Inventor: KREBS BERND DIPL ING
IPC: B60N2/821
Filed: 1990-03-31
Abstract: The safety arrangement is for a vehicle It incorporates a head support and a seat belt in which an impact surface (15) in the form of an eye for the seat belt (9) is secured to the head support (7). The loaded seat belt is displaced upwardly through the eye until the belt forms a straight line running from the upper reversal point (11) through the eye to the shoulder of the belt user.
Patent DE-4013949-A1 (DE)
Title: Catadioptric lens with mirror objective inclined at angle - has reflecting coating on forward face of biconvex lens towards cemented combination and two meniscus lenses
Inventor: HEIMBECK HANS JOERG
IPC: G02B13/00
Filed: 1990-04-30
Abstract: To achieve magnification or redn. the radii of curvature of the faces (1-4) of two meniscus lenses are chosen to decrease in the direction of the biconvex lens (8,9).  The focal length disregarding the mirror layer (7) is about equal to the overall focal length of the system. The radius of the surface coated with the mirror is chosen to be greater than or equal to one and a half times the base length. USE/ADVANTAGE - In e.g. slit scanners with rows of photodiodes.  The optical path is "folded" inexpensively without detriment to image quality.
Patent DE-4017006-A1 (DE)
Title: Transport system for semiconductor wafer discs - uses feed channels supplied with filtered air transporting discs between clean rooms
Inventor: GROH ROLF
IPC: H01L21/677
Filed: 1990-05-26
Abstract: The transport system uses a closed system of feed channels (6,7), extending between the different clean rooms (1,2), through which filtered air is fed.  The wafer discs (11) are supported by carriers (10) fed through the feed channels (6,7) by transport devices (12,15) contained within the latter. Pref. the feed channels (6,7) comprise horizontal pipes (6) and vertical ducts (7) at spaced points along the latter. ADVANTAGE - Ensures semiconductor wafer discs are not soiled during transport.
Patent DE-4021488-A1 (DE)
Title: Electrical arrangement assigning individual height measurement points - uses rotation laser with mast made up of cages with detectors on plates blackened on both sides, esp. for water depth measurement
Inventor: GANTZEL HERBERT DIPL ING
IPC: G01C13/00
Filed: 1990-07-05
Abstract: An electrical arrangement for associating height measurement points with a height system using a rotation laser consists of a mast with flat detectors mounted one above the other at defined intervals and with at least four detectors in each plane at equidistant arc intervals. - The mast consists of stacked cages (2-5) each with two horizontal plates (6) with main surfaces blackened on both sides and intermediate peripheral baskets (7) which conduct laser light. The detectors (9-14) are mounted on the plate edges so that only a small angle of incidence remains between the edge beams of the shadows formed by the plate edges.
Patent DE-4021890-A1 (DE)
Title: Connector terminal for electrical wires - has spring plate that holds wire against contact terminal
Inventor: DIGNAL FRITZ
IPC: H01R4/48
Filed: 1990-07-10
Abstract: An electrical plug connector has a contact element (6) with a formed leading edge (3) that has a slot to receive the end of an inserted wire (1). The wire is inserted until the leading end contacts a stop. Fixed to the underside of the contact element is a thin sheet metal pressing (7) that has a spring characteristic. The leading edge (12) may be raised to allow insertion of the wire through a centre hole in the plate. When released the plate presses against the wire for retention. ADVANTAGE - Simple to use. Reliable connection.
Patent DE-4024314-A1 (DE)
Title: In=line electron gun for CRT - has unipotential and bi-potential focus lenses with intermediate unipotential focus lens
Inventor: JE KOH NAM
IPC: H01J29/50
Filed: 1990-07-31
Abstract: The colour electron gun comprises a cathode (1), first (2), second (3), third (4,4') and fourth (5) grid electrodes for guiding the thermionic emission from the cathode (1) into an electron beamand a multistage electrostatic focussing lens system comprising first (6) and second (7) accelerating and focussing electrodes for focussing the electron beam.  The third grid electrode (4,4') comprises a front electrode (8) and a back electrode (9) welded to a metallic connection portion (11) of an intermediate grid electrode (10,10'). The intermediate  grid (12,12') is connected to the connection portion (11) via an isolating member (13,13').  The intermediate grid (12,12') has a set of beam passing apertures (15) and has a potential, independent of the mutual potenital which is conveyed to the front (8) and back (9) electrodes. USE/ADVANTAGE - Strong focussing reduces spherical aberration of electron beam and improves image quality.
Patent DE-4028813-A1 (DE)
Title: Musical note decoder for guitar -  generates fret chord diagram from notes entered via key=pad in form of musical stave
Inventor: HUBER WALTER
IPC: G10G1/02
Filed: 1990-09-11
Abstract: The electronic aid for use with the playing of the guitar, has a note selector (91) that provides a use input. The notes are identified and the unit is used together with a switching stage (82) that allows different modifiers to be entered. Located at the top of the housing is a display (84) that mimics the string bead of the guitar and displays the decoded signals. The system may be modified to suit other instruments. ADVANTAGE - Allows simultaneous input of notes.
Patent DE-4029057-A1 (DE)
Title: Source of constant voltage for mains rectifier starting -  is based on FET with resistance and Zener diode passing current largely independent of input voltage
Inventor: STEFFEN ECKHARD
IPC: H02M1/00
Filed: 1990-09-13
Abstract: In a blocking DC-DC convertor the input rectifier (5) and smoothing capacitor (6) supply current to the prim. winding of a transformer (1) via a transistor (7) switched by electronic control (4) fed from a low-voltage sec. winding (2) via a rectifying diode (11). Starting is facilitated by a source (3) of lower voltage and constant current involving an n-channel FET in series with a resistance and a Zener diode. The major sec. voltage is rectified (9) and smoothed (10). ADVANTAGE - Power loss in starting source is minimised and overall efficiency improved, allowing use of smaller and cheaper components.
Patent DE-4030106-A1 (DE)
Title: Fuel injection system for motor vehicle -  has adjustable injector action using variable hydraulic ballast
Inventor: LINDER ERNST DIPL ING
IPC: F02M61/08
Filed: 1990-09-22
Abstract: The fuel is pumped into the injector and opens the jet against spring pressure. The pressure pulses are generated by a shut-off valve (31) in the return line for the fuel. The movement of the jet needle is limited by a hydraulic ballast using a trapped volume of fuel and an adjustable stop (52) for the ballast piston (51). The adjustment is w.r.t. vehicle speed. The ballast volume is tapped off the fuel feed behind the fuel pump (11). A shut-off valve isolates the ballast volume during injection pulses. An electric servo motor (58) and threaded sleeve form the stop. ADVANTAGE - Efficient fuel pulses adjustable w.r.t. vehicle speed.
Patent DE-4032718-A1 (DE)
Title: Bicycle drive with reversing brake - has double ratchet to enable reverse drive after stopping
Inventor: TSUCHIE KIMIHIRO
IPC: B62L5/00
Filed: 1990-10-15
Abstract: The rear wheel hub is coupled to the forward drive by a chain wheel (5) and by a simple freewheel drive.  When the pedals are moved backwards a braking cone (6) is moved  against spring pressure, by a threaded drive, to drive a braking element (7) into the hub and brake the vehicle.  A special clutch mechanism (12) operates to allow the vehicle to be pedalled backwards after stopping. The clutch comprises a double ratchet (12) with the ratchet grips offset by half a tooth.  The clutch lever (10) is attached to the machine frame and the ratchet levers are linked by a central spring (124). USE/ADVANTAGE - Rear wheel hub for bicycle.  Improved control, reverse drive allows moving round obstructions.
Patent DE-4035140-A1 (DE)
Title: Thermoplastic polyurethane moulding materials - contain thermoplastic polyurethane, small amts. of aliphatic polyamide, and opt. normal additives
Inventor: HEINZ HANS-DETLEF DIPL CHEM DR
IPC: C08L75/04
Filed: 1990-11-06
Abstract: Thermoplastic moulding materials (I) are claimed, contg. (A) 95-99.9 wt.% thermoplastic polyurethane (TPU), (B) 0.1-5 wt.% aliphatic polyamide with m.pt. 190-250 deg. C and opt. (C) up to 200 wt.% normal additives (w.r.t. A + B). Also claimed is a process for the prodn. of (I) by mixing the components in the melt. More specifically (B) is PA 6, PA 610, PA612 or 6/66 copolyamide; TPU (A) is based on 4,4'-MDI, 2-6C alkylene glycols (II) and soft aliphatic polyester and/or poly(ether)-carbonate segments (III), pref. with mol. ratio (chain extender):(soft segment) = at least 1.5:1; (A) is produced in the melt by the extruder/reaction screw process, and (C) are, e.g. fillers/reinforcing agents, release agents, polymeric alloying partners or stabilisers. USE/ADVANTAGE - (I) are useful for the prodn. of mouldings, film, fibres, powders, etc. (claimed); also claimed are mouldings, etc. as above, produced from (I). The invention provides TPU moulding materials with significantly improved phase sepn. between soft and hard segments, resulting in improved physical/mechanical properties and processing properties. (0/0)
Patent DE-4035401-A1 (DE)
Title: Air-cushion vehicle toy - has detachable, chassis-mounted body carrying power supply and other components
Inventor: FUJITANI TAKASHI
IPC: A63H23/14
Filed: 1990-11-07
Abstract: The toy includes a first motor (3b) for driving a propeller fan (3a), and a second motor (4b) for driving a hovering fan (4a). A body (1a) is detachably mounted on a chassis (1b), on which a power supply (5a) is supported, and covering the upper surface of the chassis (1b) with various components supported on it. - The air-cushion vehicle toy (1) further includes a power cutoff mechanism (5) for breaking a power supply circuit to deenergise the first and second motors when the body (1a) is removed from the chassis (1b).
Patent DE-4110205-A1 (DE)
Inventor: SCHIEL CHRISTIAN
IPC: D21F3/02
Filed: 1991-03-28
Abstract: The axes of a first press roll (1) and of a second press roll (3) lie in a press plane (E). Each of the press rolls has a journal pin (2) and (4), respectively. The first press roll is supported in a first bearing pedestal (5). The second press roll rests in a second bearing pedestal (6) which is coupled to the first bearing pedestal (5) by utilizing flexurally soft tension bars (7, 8). In the unloaded condition of the roll press, the second bearing pedestal (6) rests on the first bearing pedestal (5). In the loaded condition, play (p) is established between the bearing pedestals (5 and 6) so that the bearing pedestals (5 and 6) are displaceable axially relative to each other.
Patent DE-4110557-A1 (DE)
Title: Mortice lock for door - has outer casing of lock cylinder geared to interconnect to tooth cogs operating locking belt and for emergency lock release through latch
Inventor: BUCHSTALLER MICHAEL
IPC: E05B65/10
Filed: 1991-03-30
Abstract: The mortice lock has a pressure-operated latch (51). A key operated cylinder lock (6) operates a locking bolt (20). The lock cylinder is encompassed by a geared edging (7) interlinked to two gear drives (11, 12) which operate the locking bolt gears. The bolt can be withdrawn in an emergency situation through operation of the thumb release catch. USE/ADVANTAGE - Simpler mfr. of mortice lock.
Patent DE-4115453-A1 (DE)
Inventor: BALDINGER VERENA DR
IPC: A61K38/095
Filed: 1991-05-11
Abstract: A mixture of (a) factor VIII, its active fragments and/or substances that cause the release or the formation of factor VIII in blood, and of (b) an antifibrinolytic is useful as an antidote for anticoagulants.
Patent DE-4122185-A1 (DE)
Title: Translatory motion device for space craft - has rotated disc with spiral structures in both surface and spiral arms rotated by translation medium
Inventor: LABENTZ PETER RICHARD
IPC: B64G1/40
Filed: 1991-07-04
Abstract: The translatory motion device uses a reaction disc (2) set in rotation by a drive shaft (1). Each surface (24, 25) of the disc has a horizontal and a vertical spiral configuration (3, 8), the spiral arms being offset from each other, but exhibiting the same curvature. The outer horizontal spiral channels pass an opening (9) in a control sleeve (7) at intervals during the rotation of the disc so that the spiral arms (34) are accelerated via a translation medium. Pref., the spiral channels (30) can be covered by a disc (36), with a vertical spiral (8) coaxial to the centre axis (28) of each disc surface. The drive shaft can be powered by an electromotor or gas turbine.
Patent DE-4133403-A1 (DE)
Title: Frame for supporting instruments for minimal invasive surgery - has frame clamped to the patient's body by adjustable supports
Inventor: HEIDMUELLER GEB DEGWITZ
IPC: A61B50/20
Filed: 1991-10-09
Abstract: The instrument holder consists of a frame (10) which extends over the patient's body. The frame has an arch (11,12) formed at each end.Each end of each arch has an adjustable support (13) by which it is clamped to the patient's body. Holders (20,21) for instruments (22) are rigidly attached to the frame but can be positionally adjusted. The holders form guides for the instruments. An additional support (14) is provided at the high point of each of the arches. USE/ADVANTAGE - Support for instruments for inversive surgery enables the operation to be performed without the need for an assistant.
Patent DE-4133953-A1 (DE)
Inventor: RIEMRICH ECKHARD
IPC: B07C5/36
Filed: 1991-10-14
Abstract: In a sorting conveyor device for packages or the like, supporting members (2b) for the tilting dishes (2) are arranged in constant sequence on a rotating endless chain (1). The tilting at the respective emptying stations is controlled via points (13) in such a manner that, when a disengagement roller (9) runs up onto the run-up cam (13a) of the point (13) over a lever (8) together with sliding bolts (4), the guide roller (5) of a pivot head (6) seated on the underside (2a) of the tilting dishes is introduced into the guide channel (3a) of a corresponding cam (3) controlling the tilting and is thus automatically guided throughout the tilting operation. 
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Patent DE-4139855-A1 (DE)
Title: Analogue multimeter for measuring voltage, current and resistance - has autoranging attenuator circuit and indicates selected measurement range
IPC: G01R15/09
Filed: 1991-12-03
Abstract: The analogue multimeter has an autoranging control circuit which switches attenuator circuits (R1...R12) and associated field effect transistors so as to scale each measurement path by 1, 10, 100 or 1000. The attenuator control lines (a, b, c, d) also drive a set of range indicating light emitting diodes. The attenuator setting is such as to bring the applied voltage at the indicating meter within its operating range by the use of a window comparator circuit switching at + 0.01 V and 0.19 V. ADVANTAGE - Simple to operate for inexperienced user.
Patent DE-4200664-A1 (DE)
Title: Component generating focussing voltage in TV receiver - has non-embedded capacitors in plastics body of size imparting voltage strength
Inventor: GOSEBERG WALTER DIPL ING
IPC: H04N3/19
Filed: 1992-01-14
Abstract: The focussing voltage is generated from HV by potentiometers, and capacitors via supply and tapping terminals. The capacitors (C1-C3) are located without embedding moulding in a plastics body (9) and are of a size that they have the necessary voltage strength without embedding. The connecting points of the component (A-C) for combining the terminals of the potentiometers (P), the capacitors, and the connecting cables, are formed by bodies (11) of conductive rubber. The terminals and connecting wires are inserted into the connecting points without soldering, or alternately deposited on the surface. USE/ADVANTAGE - For TV receiver line transformers. Simple mfr. without requiring moulding and soldering.
Patent DE-4206031-A1 (DE)
Title: Start=up device for centrifugal spinning - has pneumatic injector permanently attached to yarn tube and traverse drive which makes small movements till spinning is sensed to be established
Inventor: KOLTZE KARL
IPC: D01D5/18
Filed: 1992-02-27
Abstract: A centrifugal spinning position has a pneumatic start-up device rigidly coupled to the yarn tube so that it must follow the relative movement between yarn tube and spinning pot. The yarn tube can pass through the bearing of the spinning pot. A stationary end-break detector can be fitted at the exit of the drafting system. More specifically, sliver passes through a drafting system past an end break detector into a spinning tube. The finished yarn is deposited on the inside of a rotating spinning pot. The spinning tube passes through the hollow shaft of the spinning pot drive motor. USE/ADVANTAGE - Used as an improved start-up arrangement for centrifugal spinning.
Patent DE-4209438-A1 (DE)
Title: Wall-mounted table top and ironing board - are movable between horizontal and vertical position, with legs on free end, pivot link with pin and hole, and horizontal swivel strip
Inventor: HEICH STEFANI
IPC: A47B35/00
Filed: 1992-03-24
Abstract: The wall (1) mounted table has a table top (2) which is movable between a vertical unused position and horizontal used position, and has auxiliary legs (6) on its free end for standing on the floor. The table top is fixed by a pivot link (4, 5) acting crosswise to the pivot axis. The pivot link consists of a pivot pin (4) emerging from the edge of the table top facing the wall. The pivot pin is mounted in a hole (5) in a horizontal swivel strip (8) parallel to the wall. The two ends of the swivel strip are fixed to the wall by pivot axles. The auxiliary legs are pulled out by 90 deg. on both sides of the table top which is covered by a soft covering (7). USE/ADVANTAGE - The underside of the wall mounted table can be used by being turned 180 deg. to act as an ironing board.
Patent DE-4211432-A1 (DE)
Title: Fastener fitting for coloured pencils on compasses - consists of U-profile nipple of elastic plastic, with legs to engage around pen and compasses
Inventor: MIELSCH WALTER
IPC: B43L9/24
Filed: 1992-04-02
Abstract: The fastener is for use with compasses for school children. The fastener nipple (2) consists of an elastic plastic material, and has a U-profile. The legs of the nipple act as contact pressure surfaces (2a). They are of a length to engage around both sides of the compass leg (1) and the pen (3). The legs extend towards each other in direction of nipple opening, and leave only a slot. Knobs on the inside of the contact pressure surfaces form pressure points. ADVANTAGE  - Quick fastening and removal of varying pens and ballpoint refills, due to own stress and nipple material flexibility.
Patent DE-4212837-A1 (DE)
Title: Adaptor for circuit board test appts. - has needle carrier plate with needle contact elements fixed in axially adjusted positions
Inventor: OTT RAINER DIPL ING
IPC: G01R1/073
Filed: 1992-04-16
Abstract: The adaptor has a needle carrier plate (2) with needle contact elements (4) consisting of casings with internal, spring-loaded needles.  The contact elements are fixed in adjusted positions in bores in the plate without play. The elements are locked in position  by a locking plate (302) which can be released.  The elements are held by an elastic material between the casing and bore wall.  The locking plate is positioned on one surface of the carrier plate.  Each element casing has a neck part  which engages the edge of the locking plate bore. ADVANTAGE - The adaptor is designed for reduced manufacturing costs and to allow subsequent alteration.
Patent DE-4218393-A1 (DE)
Title: Sealing process to seal cut edge of cardboard blank - reduces thickness of inside edge which is then folded twice and sealed with sealing layer of adjoining section for greater security
Inventor: EWINGER ADOLF
IPC: B65D5/42
Filed: 1992-06-04
Abstract: A sealable layer (2) is placed on the inside of the blank and part of the blank is removed. This thinner edge (4) is then folded at least twice outwards so that the thinner edge is sealed against the inside of the adjoining section of the blank to form the longitudinal seam. When making a folded cardboard box the cardboard is thinned away in the longitudinal seam area almost up to the sealable lining. The remaining lining is folded round twice and then sealed against the sealable lining on the inside of the adjoining edge strip. USE/ADVANTAGE - Easy handling and better sealing tightness.
Patent DE-4220904-A1 (DE)
Title: Testing mechanically operated switch in vehicle airbag passenger safety system - applying positive or negative voltage to end of test coil and checking for voltage change at other to sense fault caused by vibration in soldered connection on circuit board.
Inventor: FENDT GUENTER DIPL ING
IPC: G01R31/327
Filed: 1992-06-25
Abstract: A method of testing for the presence and efficient connection of a mechanically operated switch employs a test coil in series with the switch. A positive or negative DC voltage is applied to the coil such that any change in the voltage measured at the coil/switch junction results in a signal (Info) to reveal a dry soldered joint or physical disconnection of the switch from its circuit board due to eg vibration or ageing. USE/ADVANTAGE - Provides simple continuous testing and ability to perform desired function. Is of particular importance in monitored safety systems.
Patent DE-4221118-A1 (DE)
Title: Video game with multiple player terminals - coupled to central controller and common memory having card or cash controlled access
Inventor: FRANK ARMIN
IPC: A63F13/30
Filed: 1992-06-26
Abstract: A video games machine has a projector screen (2) located in-front of an LCD projector (4). The display is controlled by a central unit (6) that receives inputs from a number of terminals (8), suitable for separate players. Coupled to the terminals is a memory (20) with an interface (22) for data output. The unit may have an input for coins or a magnetic card. The terminals allow shift, rotate and zoom operations to be performed and 3D images to be manipulated. USE - Flexible video game for multiple players.