baber/WOPTO huggingface dataset:
Patent DE-19743348-A1 (DE)
Title: Semiconductor chip transport method for LED display assembly, e.g. intelligent display
Inventor: SCHOENFELD OLAF DR
IPC: H01L21/00
Filed: 1997-09-30
Abstract: The transport method involves using an electrically charged structure (2) formed at the surface of a photoconductive carrier (3), with electrostatic fixing of the semiconductor chip to the latter via the electrically charged structure, before transport of the carrier to the required position (4).  The carrier may have a number of electrically charged structures for supporting respective semiconductor chips for simultaneous transport to a required position, with discharge of the charged structures upon reaching the latter.
Patent DE-19751083-A1 (DE)
Title: Sewing machine with independent main drive and looper drive
Inventor: AKAHANE KOICHI
IPC: D05B55/14
Filed: 1997-11-18
Abstract: The sewing machine has a synchronising control unit (20) to control at least the main motor (10) or the looper motor (14) according to the monitor signals (10a,17; 14a,18), for the looper (11) rotation to be synchronised with the main shaft (8).
Patent DE-19755164-A1 (DE)
Title: Power stage of amplifier/transmitter for magneto-resonance tomograph, transmitter, radar
Inventor: VESTER MARKUS DR
IPC: H03F1/30
Filed: 1997-12-11
Abstract: The power stage has a matching circuit with a control loop (3,3') associated with each of several parallel transistors (1,1'). Each control loop contains an integration circuit (6,6') with an operational amplifier function (7,7') and a charge storage capacitor (8,8') with a serial resistor (9,9'). The series circuit contg. the resistor and capacitor is connected between the source and gate (2) of its associated transistor via a switch (10,10'). The operational amplifier output is connected to the capacitor gate junction; its positive input is connected in parallel with the capacitor; its negative input is connected to a common controllable potential for all control loops. Switches which can open and close each control loop in each link between a source and integration circuit are connected to the common controller (12).
Patent DE-19758306-A1 (DE)
Inventor: OEZDEMIR DIANA DR
IPC: C08F110/02
Filed: 1997-12-31
Abstract: The invention relates to a heterogeneous catalyst for synthesising polyolefins, containing a metallocene compound, an aluminium or boron compound-based cocatalyst, a support material and a solvent. The proportion of solvent contained in the catalyst is between 1 and 20 wt. % in relation to its overall weight. Polyethylenes or copolymers of ethylene and 1-olefins can be produced advantageously using the inventive catalyst.
Patent DE-19802114-A1 (DE)
Title: Assembly and disassembling device for flexible walls used for e.g. display tents or advertising purposes
Inventor: WINKELMANN FRANK
IPC: E06B9/174
Filed: 1998-01-21
Abstract: The flexible web material, e.g. tarpaulin, for the walls is divided into strip segments (3, 3') that can be unwound from adjacent rollers (1, 1') which are overlapped (5) so that the segments present a continuous surface. The edges of the segments are provided with cooperating oval loops (6) and swivel parts (7), or with Velcro (RTM) type fastener material to join the segments together.
Patent DE-19804877-A1 (DE)
Title: Contacting system for plate-shaped solar cells
Inventor: SCHUEREN JULIAN
IPC: H01L31/18
Filed: 1998-02-09
Abstract: In each conductor (3) is formed at least one rated break point (10) and at least one conductor is positioned on a first flat side of the solar cell (2) and soldered to it. After cooling of the solder connection, the conductor is severed at the rated break point, which has been stamped or cut. The rated break point is adjacent to an edge of the flat side. Prior to positioning of the conductor on the solar cell the conductor and/or the cell are coated with a solder paste and/or a flux agent.
Patent DE-19806863-A1 (DE)
Title: Metal melting process especially for melting titanium and its alloys in the production of dental castings
Inventor: WEISS JOACHIM
IPC: A61C13/20
Filed: 1998-02-19
Abstract: The metal melting process, uses thin bodies as the solid starting material, and a melting crucible. A crucible dividing line (23) extends centrally from the open top (12) of the crucible and then diverges as a sloping line or an arc towards an off-center bottom end (15) of the crucible. The crucible lower portion (14) tapers towards the bottom end (15) and is asymmetrical relative to the crucible center axis (16) or center plane (24). An Independent claim is also included for a melting crucible which is divided longitudinally along a dividing line (23) which is at least locally off-center.
Patent DE-19812243-A1 (DE)
Title: Housing for dry transformer, with air cooling
Inventor: BASTIAN JEANNETTE
IPC: H01F27/08
Filed: 1998-03-20
Abstract: The housing allows air from the environment to circulate. The air is cooled and dampened by passing through an external casing which is wet with water either continuously or dependent on the load. The air cools the solid surface heated by the primary voltage winding, and enters the cooling channels of the individual transformer branches from below. The air is sucked from the channels and led away.
Patent DE-19813504-A1 (DE)
Title: Circuit arrangement for automatic detection and removal of word-line and bit-line short circuits
Inventor: GRAETZ THORALF
IPC: G11C29/00
Filed: 1998-03-26
Abstract: The circuit arrangement provides automatic identification and elimination of word-line and bit-line short-circuits of a memory cell arrangement containing sensor amplifiers (SA). The sensor amplifiers (SA) divide the memory cell arrangements into memory banks. A fuse (FE) is provided in the bit-lines (BL1,BL2) in front of the sensor amplifiers (SA) in each memory bank. A transistor (T1) may be provided between the fuse (FE) and the sensor amplifier (SA) to actuate the fuse (FE). Alternatively, the fuse (FE) is actuated by applying a special voltage to the sensor amplifiers and/or applying an excess voltage to the word-line.
Patent DE-19814414-A1 (DE)
Title: Elektromagnetisches Schaltgerät mit Magnetantrieb
Inventor: BINKA KONRAD
IPC: H01H3/28
Filed: 1998-03-31
Abstract: Die Erfindung bezieht sich auf ein elektromagnetisches Schaltgerät mit einem Magnetantrieb mit einem feststehenden Magnetkern und einem beweglichen Anker, der in einer Ankeraufnahme gehaltert ist, die mit einem die Ankerbewegung übertragenden Hebel, wie einer Schaltwippe, fest verbunden ist, wobei die Ankeraufnahme auf ihrer der Schaltwippe zugewandten Oberseite eine parallel zur Längsachse des an der Unterseite der Ankeraufnahme angeordneten Ankers ausgebildete Lagerbohrung zum Einsetzen eines an beiden Seiten mit einem Ende über die Lagerbohrung vorstehenden Bolzens aufweist, mit dem die Ankeraufnahme mit dem Anker an dem zugeordneten Aufnahmebereich der Schaltwippe mittels Schrauben befestigbar ist und an den Enden des Bolzens außerhalb der Längsachse des Bolzens parallel zur Längsachse desselben verlaufende Auflagefläche für die Verschraubung ausgebildet sind.
Patent DE-19814681-A1 (DE)
Title: Current-mode switching regulator for power supply
Inventor: TAGHIZADEH KASCHANI KARIM-THOM
IPC: H02M3/156
Filed: 1998-04-01
Abstract: The switching regulator includes a first regulation arrangement (1) for a voltage regulation and a second regulation arrangement for a load current regulation, which comprise respectively two inputs and respectively one output. A reference signal (2) is supplied to a first input of the first regulation arrangement and a second input is supplied with an output signal (3) of the switching regulator.  The output of the first regulation arrangement is coupled with a first input of the second regulation arrangement (5). At least one power switch (12) is provided, which is controlled through a control signal (11) of the second regulation arrangement, and which comprises a load path arranged between a first pole with a first supply voltage (13) and a second pole with a second supply voltage (14). An inductance (15) is arranged in series to the load path, and an integrator (19) produces a regulation signal (40) representing a load current (22) by integrating the voltage (18) on the inductance, which is supplied to a second input of the second regulation arrangement.
Patent DE-19816083-A1 (DE)
Title: Method for producing smooth surface concrete cast sections
Inventor: SCHWOERER ROMAN
IPC: B28B7/00
Filed: 1998-04-09
Abstract: The method involves pouring concrete into a shallow mold (10) on a metal base. The base and the mold are oiled with a release agent. The poured concrete is covered with an elastic cover (17) and is vibrated to cause air bubbles to rise to the surface. The elastic cover is unrolled from the concrete starting at one edge. The surface tension causes the bubbles to follow the cover to  one side of the mold, leaving the surface free from imperfections.
Patent DE-19816795-A1 (DE)
Title: Representations of objects in a bitmap format
Inventor: GEISLER THOMAS
IPC: G06T15/70
Filed: 1998-04-16
Abstract: The processing system used with such as a tachometer in a road vehicle has a pointer position represented by a series of bitmaps. The bitmaps are a matrix display format  and a series of them are stored to represent different representations along a path
Patent DE-19817569-A1 (DE)
Inventor: STUDER HEINZ
IPC: H02M1/12
Filed: 1998-04-20
Abstract: To filter high frequencies generated on the output side h.f short circuiting capacitors (45,46) are connected on one side to the output terminals (47,48). On the other side they are connected to the centre point connection of capacitors (6,7) forming a symmetrical potential divider between the a.c. input terminals (4,5). The voltage at this symmetrical centre point provides the a,c, reference potential for the h.f. filter
Patent DE-19818646-A1 (DE)
Title: Infusion device and method for delivering a liquid
Inventor: HEIMANN RALPH
IPC: A61M5/145
Filed: 1998-04-25
Abstract: An infusion device has a peristaltic pumping medium (23,24) with a number of feeder pressure elements (32,34) operating on a tube-like conduit (5) for delivering an infusion solution. Either pneumatically or with the help of electromagnets the feeder pressure elements are pressed against the conduit one after another by a microprocessor control unit connected to them. The infusion solution is delivered through these.
Patent DE-19821097-A1 (DE)
Title: Two speed drive for blower for IC engine
Inventor: MARTIN HANS
IPC: F01P7/08
Filed: 1998-05-12
Abstract: A two speed drive for the blower for an IC engine has two parallel belt drives (4,21) with the main pulley (5) with a freewheel which is effective when a solenoid control (24) selects the second belt drive (21) for a higher speed. In this mode the freewheel effectively disengages the first belt drive. The two belt drives power a drive shaft (7) which links into the fluid clutch. A second solenoid (18) operates on the fluid clutch via a permanent magnet (17) attached to the control element of the clutch.
Patent DE-19823762-A1 (DE)
Title: Motor vehicle electronic control unit signal failure compensation method
Inventor: STINUS JOCHEN
IPC: F16H59/00
Filed: 1998-05-28
Abstract: The method is used in conjunction with an engine (2), clutch (4), gearbox (6) and drive shaft (8) which drives the rear wheels (12) through a differential (10) according to the position of the accelerator (14) which has a position sensor (16) connected to a control unit (18) to which several other engine management sensors are also connected. The braking system has a sensor (34) on the brake pedal (32) controlling all the brake cylinders (38) through a control system (36) and wheel rotation sensors (40) connected to a control system (42). A further control unit (44) controls the action of the clutch and gearbox through actuators (46,48,50) and also has an input from a drive shaft sensor (52). The absence of any signal input to the control units is identified and a mean value substituted.
Patent DE-19829377-A1 (DE)
Title: Mobile emergency alarm has transmitter that can be activated to transmit emergency calling signal unnoticed by third party, and can be worn especially as wristwatch
Inventor: REIHEIMER-WEIS CARLO
IPC: G08B25/01
Filed: 1998-07-01
Abstract: The mobile alarm has a transmitter, an emergency switch (26) for activating the transmitter and a logic unit with a memory for storing an emergency code to be transmitted. The transmitter can be activated to transmit an emergency calling signal unnoticed by a third party. It is designed to be worn on a human extremity and especially as a wristwatch.  Independent claims are also included for a dummy arrangement similar to the emergency alarm and a secure attachment device for attaching the alarm to the human body.
Patent DE-19832966-A1 (DE)
Title: Control circuit for electric window drive
Inventor: YAMAOKA KOJI
IPC: E05F15/16
Filed: 1998-07-22
Abstract: An electric servo drive for a vehicle window has a relay for opening the window and a relay for closing the window. The two relays are connected to the power line by individual PNP transistors which are mounted with their bases spaced from an earth connection (2). If sufficient moisture collects in the control system both bases are shorted to earth by the leakage currents thereby activating both relays and blocking the servo drive.
Patent DE-19837607-A1 (DE)
Title: Electrochemical gas sensor for use in combustion engines
Inventor: JACH OLAF
IPC: G01N27/417
Filed: 1998-08-19
Abstract: An electrochemical gas sensor has a reference gas chamber electrode with a lead (12a) electrically insulated from the solid electrolyte (10) of its sensor cell. An electrochemical gas sensor comprises: (a) an electrochemical pump cell having a solid electrolyte body, a pair of electrodes and a gas chamber connected via a gas inlet opening to a measuring gas chamber; and (b) an electrochemical sensor cell (Nernst cell) with a second solid electrolyte body, a third electrode and a reference chamber in which a fourth electrode is located. The lead (12a) of the fourth electrode has an insulating layer (24) for electrical insulation from the second solid electrolyte body (10). Preferred Features: The insulating layer (24) is applied as a printed layer on the second solid electrolyte body (10) or the lead (12a) and may be densely sintered or porous. The layer is at least as wide as the lead (12a), preferably as wide as the reference gas channel (23a) in which the lead is located. The layer may completely enclose the lead or may be in the form of partial layers. A gas-tight barrier may be provided between the layer (24) and the lead (12a).
Patent DE-19840525-A1 (DE)
Inventor: FINK-STRAUBE CLAUDIA
IPC: G02B1/10
Filed: 1998-09-06
Abstract: According to the invention, optical layers with uniform layer thickness are produced by spraying on a substrate a coating composition produced according to the sol-gel process and containing a high boiling solvent, which is based on inorganic or organically modified components using a flat spray facility and subjecting it to thermal treatment. The wet film thickness during spraying of the coating composition on the substrate is preferably regulated in such a way that it is at least eight times bigger than the desired dry film thickness.
Patent DE-19840986-A1 (DE)
Inventor: WIMMER VIKTOR JOSEF
IPC: F16C1/14
Filed: 1998-09-08
Abstract: The invention relates to an endoscope at whose proximal end a first quick-action closing element (3) for a Bowden cable (13) of a Bowden mechanism is positioned in a pivoting or sliding manner. Said quick-action closing element (3) has a locking position in which a fixing element for releasing and fixing the Bowden cable (13) can be actuated and a working position in which the fixed Bowden cable can be displaced within a working area defined by end positions (15', 15'') of the quick-action closing element (3) so that a m echanism which together with said Bowden cable (13) is removably arranged at the distal end of the endoscope can be actuated.
Patent DE-19844327-A1 (DE)
Title: Catalog with ground plan of house floors
IPC: G09F5/04
Filed: 1998-09-28
Abstract: The sheets are adhered to each other along one side edge. Each ground plan forms a somewhat centrally arranged cross-running division area strip, in the direction of which it has equal length dimensions. All house floor ground plans have division area strips (8) running equally formed and the strips are identically arranged. The sheets (3) are divided crossways by a division (7) running along the division area strip. The adhesions (11,12) are arranged on the side edges (4) of the sheets (3) running parallel to the divisions (7). Under the sheets provided with divisions is an undivided sheet with a same type but different house floor ground plan, the dividing area strip of which corresponds to those of the cross-divided sheets.
Patent DE-19844857-A1 (DE)
Title: Device for removing compact disc from stack, e.g. for CD recording or printing station has ring-shaped actuator with radial jaws for grasping topmost disc in stack
Inventor: PHILIPPS BERND
IPC: B65G59/02
Filed: 1998-09-30
Abstract: The device has a grip (1) on a carrier (2) which moves up and down the stack of discs and grasps the topmost disc. A ring-shaped actuator (3) with concentric actuating elements (31) is provided on the carrier for radially moving the grip. The grip has jaws (11) for grasping the disc by moving perpendicularly to its side surface. The jaws have a height which is less than or equal to the thickness of the CD.
Patent DE-19852809-A1 (DE)
Title: Thermally assisted mechanical joining method for metal sheets
Inventor: LIEBRECHT FRITZ DIPL ING
IPC: B21J1/00
Filed: 1998-11-17
Abstract: The joining method uses rivets. The forming zones of metal sheets (1a,b) to be joint are heated locally and for a limited time by electrical resistance heating, using pressure pads and dies (4) or associated elements. Heating starts immediately before or at the beginning of the joining process, and finished before the start of forming. The heating process starts when the pressure pad is put in place. The forming zone is heated to 25-35 deg C, preferably 40 deg C.
Patent DE-19853181-A1 (DE)
Title: Method for constructing a staircase and base bound by inner and outer string boards and device for measuring a staircase base in a staircase installation position applies measurements from a laser range finder transmitting a laser beam
Inventor: BECKER ERWIN
IPC: E04F11/02
Filed: 1998-11-19
Abstract: A staircase base separates into adjacent triangles (32-37), having a vertex in a plumb vertical axis (31) with its corner points (25-30) corresponding to those on the staircase base. The axis sides (38,39,44,48,52,55) of the triangles leading to the vertical axis are measured at a preset height for their corner point always remaining plumb vertical. A laser range finder coupled to a theodolite forms a measuring unit fitted on a stand in the stairwell, transmitting a laser beam to trace the vertical axis and the corner points.
Patent DE-19855790-A1 (DE)
Inventor: GROB FERDINAND
IPC: B60K6/54
Filed: 1998-12-03
Abstract: The invention relates to a gear box aggregate for a motor vehicle having a drive train (4, 8, 5) which is used for coupling an internal combustion engine (1) or wheels (6) of the vehicle. The invention also relates to an electrical engine (9) and a gear box (7) which is configured for transmitting the torque from the electrical engine (9) to the drive train (4, 8, 5) and vice versa. The aim of the invention is to prevent unnecessary use of energy and to improve the braking response. To this end, the gear box (7) can remain idle so that no torque is transmitted from the electrical engine (9) to the drive train (4, 8, 5). In a preferred embodiment, a transmission control (11) working according to an automatic method is provided in order to change gears.
Patent DE-19856626-A1 (DE)
Inventor: SPAHR STEFAN
IPC: B60B27/00
Filed: 1998-12-08
Abstract: The invention relates to a hub, notably for bicycles and such like, which comprises a hub shaft (4a) and a housing (1b) which is mounted on anti-friction bearings such that it is able to rotate in relation to said shaft. The anti-friction bearings present anti-friction elements which are positioned at a defined distance from each other. For bearing-mounting two anti-friction bearings situated next to and at a short distance from each other are used. It is also possible to use a hollow hub shaft (4b) which is configured such that in a central area an internal diameter of the hollow hub shaft (4a) is greater than an external diameter of the hub in an outer area which is designed to be inserted into the open end of a bicycle frame.
Patent DE-19857543-A1 (DE)
Inventor: PENNINGER JOSEF
IPC: C11D3/386
Filed: 1998-12-14
Abstract: The invention relates to the utilization of mutated protease of the subtilisin type which comprises a mutation in the amino acid sequence thereof thus leading to a reduced positive charge or to an increased negative charge in the substrate binding region of the molecule. Said mutated protease is utilized in liquid to gelatinous washing and cleaning agents for washing textiles.
Patent DE-19857971-A1 (DE)
Title: Controlling an IC engine esp. for IC engine with common rail fuel injection system so that at least one pump delivers fuel in storage
Inventor: SCHUBERT PETER
IPC: F02D45/00
Filed: 1998-12-16
Abstract: The control method is carried out, so that emanating from at least two measured pressure values, a computed pressure value is determined, which is used for the control of the injection of the fuel. The computed pressure value characterizes the fuel pressure in the storage at the beginning of the injection.
Patent DE-19860828-A1 (DE)
Title: Ion implantation equipment used for semiconductor manufacture, includes main controller which detects current level to generate control signal based on which ion implantation turbine pump operation is controlled
Inventor: CHOI SUN-BONG
IPC: H01J37/18
Filed: 1998-12-30
Abstract: Current detector (30) detects the amount of current flow in the turbine pump. Main controller (60) judges whether the detected amount of current is below preset lower limit or above upper limit value to generate power supply control signal. Based on the control signal, stoppage of ion implantation in the state of high vacuum and power off of turbine pump is performed.  Current detector detects amount of current flow in the turbine pump. The information corresponding to detected amount of current is displayed using display device (40). An Independent claim is also included for turbine pump operation monitoring method for use in implantation equipment.
Patent DE-19900596-A1 (DE)
Title: Vulcanizing mold for technical rubber products, especially tires, has a two part shut off valve, one part of which has an outlet for air which closes when rubber approaches
Inventor: NITSCH BORIS
IPC: B29C33/10
Filed: 1999-01-11
Abstract: Each shut-off valve (1) comprises a pin-like central body (2), which inserts in a venting bore, and a sealing part (3) with a flat area (4) lying flush with the mold cavity side. One or more openings (7) in the sealing part form a flow path for air as the rubber fills the mold.  An Independent claim is made for a tire vulcanizing mold with venting bores containing two-part valves whose elastically deformable sealing part acts with the central body to effect valve closure. Preferred Features: The flow path connecting with the opening (7) is angled through 90 deg  and continues between the bore wall and the central body (2). The shut-off valve may have an elastically deformable side facing the mold cavity which closes on contact with the rubber. Another type of sealing part has integral wave-like spring shanks whose free ends are angled inwards to form a holding chamber for the central body (22).