baber/WOPTO huggingface dataset:
Patent DE-3943532-A1 (DE)
IPC: G11C29/00
Filed: 1989-08-28
Abstract: An apparatus for parallel testing of a semiconductor memory with arbitrary data patterns and capable of being integrated on the memory chip. The semiconductor memory test device in a preferred embodiment is compatible with hierarchical data bus lines including an input/output line pair (I/O, I/O), a plurality of sub-input/output line pairs (SIO1+L, SIO1; SIO2, SIO2) and a plurality of bit line pairs (BL1, BL1; BL6, BL6). A plurality of comparators (50) and a plurality of registers (60) are provided corresponding to a plurality of sub-input/output line pairs (SIO1, SIO2; SIO2, SIO2). The plurality of registers (50) which also functions as intermediated output amplifiers can hold random data applied through the input/output line pair (I/O, I/O). The plurality of comparators (60) is provided to determine whether or not data read out onto a plurality of sub-input/output line pairs (SIO1, SIO1; SIO2, SIO2) from a row of memory cells (MC1, MC2) corresponding to a single word line (WL) match respective data held in the plurality of registers (60).
Patent DE-4000601-A1 (DE)
Title: Optical amplifier coupling optical fibres by waveguide - in form of dye-filled capillary irradiated by pumped light
Inventor: DORN REIMUND DR RER NAT
IPC: H01S3/063
Filed: 1990-01-11
Abstract: The optical amphifile is incorporated between an input and output optical fibres (3,4) which are coupled by a waveguide (15). The latter is a capillary (7), irradiated by pumped light (8) and filled with a paint solution (13). The capillary cross-sectional dimension pref. correspond to those of the optical fibres. UV light can be used on the pumped light and the capillary cross-sectional dimensions may correspond to the case of monomode optical fibres. The capillary is typicaly formed in a quartz body, and the paint solution has a higher refraction index than the capillary. The light conveyed via the input optical fibre (3) passes over the evanescent field of the waveguide (15) in a section (8) formed by a capillary (7) in interaction with the laser light found there. Light of high energy is obtained at the output optical fibre (4) through this amplifying effect. USE/ADVANTAGE - Amplification of information signals in communications system by capillary filled with dye soln..
Patent DE-4001412-A1 (DE)
Title: Cordless telephone with circuit signalling battery replacement - has base station prevents transmission of noise to subscriber loop until mobile appts. is reactivated
Inventor: WALSCH ROLF ING GRAD
IPC: H04M1/72502
Filed: 1990-01-19
Abstract: Three resilient contact hooks (12-14) on a circuit board engage the conductive strips (18,19) on the underside of the battery of the mobile telephone set. When the battery is slid out for replacement, the first contact (13) broken causes a microprocessor (30) to send a signal (31) to the transmitter (S). On receipt of this signal, the base station mutes the LF path to the connected subscriber for an interval, long enough to enable the fully charged battery to be substituted. ADVANTAGE - Mobile station operator can resume interrupted conversation without having to operate another key.
Patent DE-4001470-A1 (DE)
Title: IC engine with oil barrier tray - which has integral seal for gap in oil sump
Inventor: LANGLOIS KARL DIPL ING
IPC: F01M11/00
Filed: 1990-01-19
Abstract: The IC engine has an oil barrier tray, fastened in a joint next to the oil sump. The joint also contains seals, which are integrated in the oil barrier tray (9). The seals are located between the lower end face of a crankcase and the top face of the barrier tray, and between the lower face of the tray and the oil sump. The barrier tray has a circumferential flanged edge to contain the seal.
Patent DE-4002690-A1 (DE)
Title: Control for rotary pump or motor - has geometry of toothed rotor within stator defining pressure cells
Inventor: LANGMAIER JOHANN
IPC: F04C2/10
Filed: 1990-01-30
Abstract: The control is for rotary pumps and motors, especially units in which the displacement rotor comprises a toothed stator engaged by a toothed rotor. - The tooth profile of the displacement rotor toothing is so arranged that the cross section of the control openings is always sufficiently large that for each displacement cell a uniform flow speed is maintained.
Patent DE-4004275-A1 (DE)
Title: Capacitive pressure or pressure difference sensor - has resilient membrane with applied conductive layer acting as one plate of variable capacitor
Inventor: OBERMEIER HORST
IPC: G01L9/00
Filed: 1990-02-13
Abstract: The sensor has at least two plates of an electrically insulating hysterosis-free material their peripheral edges sealed together via melted glass, their parallel inside faces carrying electrically conductive layers (3,4,7) providing a capacitor. One of the two plates is provided by a resilient membrane (2) responsive to an applied press the capacitance value of the capacitor indicating the membrane deflection and hence the press. The conductive layer (7) applied to the membrane (2) extends as far as the melted glass seal (6), that applied to the second carrier plate (1) lying only within the centre. ADVANTAGE - Min. mfg. complexity.
Patent DE-4008128-A1 (DE)
Title: Insulation for containers - consists of foam tray or panel placed on top and suitable for low temp.
Inventor: HOFMANN ALBERT DR
IPC: F16L59/02
Filed: 1990-03-14
Abstract: The insulation for containers or parts of apparatus for low-temperature application consists of a foam tray or panel subjected to compressive stress at room temperature and placed on the container or apparatus part. The foam part is stuck on by temperature-resistant adhesive. USE/ADVANTAGE - The foam tray or panel placed on the container at low temperatures can be foamed after assembly by means of heat treatment.
Patent DE-4013683-A1 (DE)
Title: Permanent magnetic strip for therapeutical applications - uses perforation-cavity technique to create magnetically induced multi-pole surface field
Inventor: BAERMANN HORST
IPC: A61N2/08
Filed: 1990-04-28
Abstract: The magnetic strip (1) consists of highly coercive permanent magnetic particles bonded in a flexible synthetic material and is axially magnetised such that one surface (6) is polarised as a North pole and the opposite surface (7) as a South pole.  The surface of the magnetic strip is perforated with a variety of holes/cavities (8) having a dia. 5 to 30 times that of the strip thickness. This constructional technique produces an intensified magnetic induction effect which creates poles of opposite polarity to the strip surface (6.7) at the hole/cavity (8) centres, thus establishing an evenly distributed multi-pole magnetic field throughout the length of the magnetic strip (1). USE/ADVANTAGE - Thin, flexible permanent magnetic strips suitable for cushions, under blankets, shoesoles etc. Magnetic strips produce intensive, evenly distributed magnetic field with constant penetration depth. Cheap to mfr.
Patent DE-4017926-A1 (DE)
Title: Transportable container for sprayable adhesive lubricant - incorporates its own built-in pump, pref. pneumatic barrel pump
Inventor: DUESTERLHO WOLFGANG VON
IPC: F16N13/16
Filed: 1990-06-05
Abstract: The transportable container (8) is used for sprayable adhesive lubricant. The container is filled with its own built-in pump (1). Pref. the container is a standard barrel with a pneumatic barrel pump (1) installed on the bottom inside a tubular container (12) which extends from the bottom of the barrel to the top. ADVANTAGE - Container is reusable.
Patent DE-4019707-A1 (DE)
Title: Controlling gas transport to gas sensors - using liq. film over gas inlet orifice
Inventor: DOBOS KAROLY DR
IPC: G01N33/00
Filed: 1990-06-21
Abstract: Gas barrier for use with gas sensors comprising a liq. film which seals the whole cross section of the gas inlet orifice. The gas barrier film is mounted e.g. on a hydrophobic or hydrophilic support, mounted between two or more hydrophobic and/or hydrophilic layers, or mounted on a hydrophilic support which is in turn placed between two or more hydrophobic layers. The hydrophobic layers are e.g. PTFE, polyethylene, polypropylene or porous plastic film and the hydrophilic layers are e.g. of glass wool, glass paper, glass frit or hydrophilic plastics layers e.g. polyethylene or polypropylene. Pref. the hydrophilic support is porous and the pores are full or only partially filled. The carrier for the liq. phase is e.g. the hydrophobic teflon or other electrode support film for the measuring electrode of the electrochemical cell. USE/ADVANTAGE - The liq. gas barrier film controls passage of gas to be determined in the atmos. to a gas sensor of any type, such as semiconductor oxide sensors, pellistors, MOSFET-gas sensors, electrochemical sensors, etc., by physical means such as diffusion, dissolution, etc.. Controlling the flow of gas to the sensor surface causes the sensor to retain its catalytic activity for longer periods so that its sensitivity and output signal are retained for a long time.
Patent DE-4028637-A1 (DE)
Title: Vehicle air bag fabric -  is partially coated to give air impermeable zones in pattern to cover cutting and stitching lines
Inventor: GRAEFE HANS A
IPC: B60R21/16
Filed: 1990-09-08
Abstract: To apply a partial coating to a linen weave, which is not dense for use as an inflatable airbag to protect vehicle occupants in a collision, the coating material is applied partially to give air impermeable zones. The coating application is in a pattern so that, when the fabric is cut, the cutting and stitching lines lie at the coated sections of the material. A coated zone is pref. applied to the fabric within the area designated for each cut section, to follow the outline of each cut section to follow the cutting line or extend beyond it to give a coated strip zone of coating at the fabric section edge. The coating material is applied partially by film printing, rotary film printing, roller printing or by slop pad printing using an engraved roller. The coated strip application is by a scraper or doctor blade. ADVANTAGE - The method allows the filter section to be inserted at will, according to the type of vehicle, without the need for large fabric stocks of different densities.
Patent DE-4028997-A1 (DE)
Title: Traffic data acquisition for telephone communication exchange - using counter memory in each de-central and central control, and address device to acquire addresses and control criteria
Inventor: RENKER MONIKA
IPC: H04M3/36
Filed: 1990-09-13
Abstract: The exchange has decentral and central controls, with counter system memory in each control. Each memory consists of a result counter memory, a time memory, and a duration memory. From the exchange command data are derived addresses and control criteria for the memories in an addressing device. First the engagement numbers reach the result counter memory, while the start and end time periods are deposited in the time memory for the individual engagement. A subtracting device is coupled to the time memory, subtracting the start time period from the end time period at the end of each engagement. The time difference is added up in the duration memory. ADVANTAGE - Integrated control structure without need for extra wiring and coupling points.
Patent DE-4034759-A1 (DE)
Title: Water inlet for bath tubes - forms part on handle on bath for safer design
Inventor: DALHEIMER HARTMUT
IPC: E03C1/04
Filed: 1990-11-02
Abstract: The water inlet for a bath tub is integrated into a handle (2) or holder which can be mounted on the bath itself. The handle (2) can be a hooped bar which is to be fixed at both its ends. The bar can be formed by a water guide (13) leading to an outlet (15). The water inlet can be made from a heat-insulating tough elastic material (22) with a water pipe (21) as an insert. USE/ADVANTAGE - The design is space-saving and represents less danger of injury should the user slip in the bath.
Patent DE-4040011-A1 (DE)
Title: Hydropneumatic transmission system for bicycle - has pump driven by pedals, which exerts pneumatic pressure on hydraulic fluid
Inventor: SCHROEDER HEINZ-DIETER
IPC: B62M19/00
Filed: 1990-12-14
Abstract: A bicycle etc. driven by muscle power has a hydro-pneumatic transmission system. The bicycle has conventional cranks (1) and pedals (2) which drive one or more pumps (4) to exert a pneumatic pressure on a hydraulic fluid. The hydraulic fluid is supplied at a pressure to a hydraulic motor which drives one of the bicycle wheels. Both wheels may be equipped with a hydraulic drive motor. ADVANTAGE - A stepless variation in the speed ratio between the cranks and the road wheels.
Patent DE-4040718-A1 (DE)
Title: Tall narrow liq. reservoir - has measurement rod and aperture of matching size but different shapes to prevent moisture reaching scale
Inventor: THIER KARL DIPL ING
IPC: G01F23/04
Filed: 1990-12-19
Abstract: A tall, narrow liquid reservoir has an elastic liquid level measurement rod (4) which is inserted through an aperture (7) in its top. The cross-sections of the aperture and rod are matched along most of the rod to ensure an approximately play-free fit. However, their shapes differ so that at least the side of the rod with a scale has no contact with the aperture or any container wall. USE/ADVANTAGE - Container and rod designed so that previously wiped rod cannot become moistened by liquid from container walls above level when it is withdrawn.
Patent DE-4100598-A1 (DE)
Title: Prepn. of aromatic hydrocarbon resins - using unsuitable fractions for resin formation and catalyst of aluminium chloride, hydrogen chloride and alkylated-benzene or -naphthalene
Inventor: STAEGLICH PETER DR
IPC: B41M5/165
Filed: 1991-01-11
Abstract: Fractions of aromatic cpds. comprising less polymerisable parts are used which are unsuitable for the prepn.of resins and are polymerised using, as catalyst, a complex of aluminium chloride, HCl and an alkylated benzene or naphthalene. Broadens the range of hydrocarbon resins which can be used and obtains mixts. with reduced bromine number. Pref., the catalyst is separately prepd. by the reaction of AlCl3 with HCl and an alkylated benzene or naphthalene, or is prepd. in situ by adding solid AlCl3 to the fraction to be polymersied and by introducing HCl into the reaction mixt. The resin distillate of a previous polymerisation reaction of an aromatic oil fraction with AlCl3, BF3 or BF3 adducts as catalyst is introduced as the fraction of aromatic cpds. USE/ADVANTAGE - The resins are used as heat carrier oils, modifiers for hardenable polymers, e.g. epoxy resins, polyurethane resins, phenol resins or polyesters, as components of corrosion protection coatings, as components in sealing compounds or briquet builders or adhesives or in repair compsns., as resins in impregnating oils or in the colour printing industry, as binding agents in the fire proofing industry and as solvents or colourants in recording materials e.g. carbon paper (are claimed)
Patent DE-4101324-A1 (DE)
Title: Isoxazole-4-carboxamide derivs. - used as immuno:modulators, e.g. for treating transplant rejection
Inventor: KAEMMERER FRIEDRICH-JOHANNES D
IPC: C07D261/18
Filed: 1991-01-18
Abstract: Isoxazol-4-carboxylic acid amide derivs. of formula (I) are new, where R1 = H or 1-4C alkyl; R2 = H; R3 = -(CH2)n-COOR4; R4 = H or 1-4C alkyl;n = 1-12; or NR2R3 = 5-9 membered ring with CO gp. in the neighbouring position to N. USE - (I) are immunomodulators used to treat and prevent immune system disorders in humans and animals, e.g., reverse-passive Arthus reaction and chronic graft vs. host reaction. They have low toxicity. Admin. is oral, rectal or parenteral. Daily dose is 200-3000, esp. 500-1000 mg. p.o. or rectally or 200-600 mg i.v.
Patent DE-4101866-A1 (DE)
Title: On-load tap changer for stepped transformer - movable contact driven by shaft to switch load between fixed contacts
Inventor: DOHNAL DIETER DR ING
IPC: H01H9/00
Filed: 1991-01-23
Abstract: A selector arrangement switches between two fixed contacts by changing the direction of rotation of a drive shaft (1). An electrically conductive rocker switch (4) has a contact surface (42, 43) at both free ends and moves between two fixed contacts (61, 62). The rocker (4) has an elastic actuator (7) extending into the pivot region of rollers (3) connected to the shaft (1) to change the position of the rocker. The rocker is connected to a spring loaded locking member (5) which engages the rocker and only allows it two stable positions. USE/ADVANTAGE - Load selectors of step transformers. Switch over results directly from shaft rotation. Does not require additional complex and expensive mechanics.
Patent DE-4105054-A1 (DE)
Title: Segment erector for support lining in mine - is fitted inside pressure chamber or shield driving machine and comprises Jack and rotary runner moving along rails
Inventor: HENTSCHEL VOLKER
IPC: E21D9/06
Filed: 1991-02-19
Abstract: The segment erector for the support lining in a mine is used in conjunction with a shield driving machine. An erecting jack (7) is located in the pressure chamber of the shield and a rotary ring runner (10) together with a segment grab (15) is moved towards the working face along guide rails (8). The runner (10) can tilt and swivel about transverse axes, and to adjust the angle there are several independent hydraulic control rams (38). ADVANTAGE - Can operate in curved areas and even when the erector is not exactly opposite the lining segment.
Patent DE-4107688-A1 (DE)
Title: Method of producing bearing bushes with deep grooves - involves transfer of bush through bending, sizing grooving and deburring stations in integrated work cycle
Inventor: BRANDT HORST DIPL ING DR
IPC: B23D37/00
Filed: 1991-03-09
Abstract: The bearing bushes are produced complete from laminated strip by transfer through a series of adjoining work stations, including a final deburring operation, in an integrated work cycle. The production machine has a bending station (3), a ring tool (4), sizing station (5), groove broaching station (6), rotary indexing plate (7) and deburring station (8). Passing through the stations is a transfer mandrel (10). At the bending station strip is fed in and wrapped round the mandrel. Each forward stroke of the mandrel feeds formed bushes stage-by-stage through the succeeding operations, into the broaching station, and into a pocket (17) of the indexing plate; each return stroke pulls the broaching tool through the bush to produce the grooves. Then the indexing plate can transfer the grooved bush to the deburring station. The next forward stroke ejects a deburred bush from a pocket and replaces it with a newly grooved bush. ADVANTAGE - Greater economy of production of high quality bearingbushes.
Patent DE-4111554-A1 (DE)
Title: Radiation resistant optical reflection element for laser scanning - comprises enamel base with cooling system on metallic mirror with similar expansion coefft. for high stability, and thermoconductivity
Inventor: PFEIFFER WILFRIED
IPC: G02B5/08
Filed: 1991-04-05
Abstract: Element comprises a metallic mirror body (1) fitted to an inorganic support mfd. with a protruding pattern (5) on the side opposite that of the mirror. The pattern is closed by a metallic disc (7) and coolant may flow through the meandering pattern, entering and leaving via side openings (9,10). Pref. support may be an enamel or other ceramic material eg. MgO with an expansion coefft. of 15.10 power-6/deg.K. It pref. contains good thermal conductive material e.g. metal powder. USE/ADVANTAGE - Rapidly cooled.
Patent DE-4114618-A1 (DE)
Title: Internal vol. ratio variation device for screw compressor - selects optimal ratio before measuring displacement of control slider and suppresses valve operation commands from power regulator
Inventor: KNODEL OTTO DIPL ING
IPC: F04C28/12
Filed: 1991-04-30
Abstract: An axial slider (1) parallel to the rotors is moved by a piston (4) sepg. two hydraulic chambers (11, 12) filled (5) and drained (6) by combinations of magnetic valves (7-10). The limit of travel is set (13) by a stationary piston (14) in another cylinder forming a chamber (15) with a single connection (16) to filling and draining valves (18, 17). A system of springs (19) adjusts the abutment (13) and the vol. ratio is determined by initial and final pressures. ADVANTAGE - System operates indpependently of partial load setting of control slider, guaranteeing optimal compression ratio when max. power is attained.
Patent DE-4115216-A1 (DE)
Title: Ribbon for covering joints
Inventor: PEDERSEN GERD DIPL ING
IPC: B32B5/32
Filed: 1991-05-10
Abstract: The triple-layered ribbon material with durable stretch,has a closed cell foam central layer. The outer layers are of animpregnated, durably elastic and precompressed foam. The ribbonstructure has a hard core in the centre and outer layers whichcan expand to match the material to the dimensions of the jointbeing covered. The closed cell foam, for the centre layer, isresistant to weather, ultra-violet and is waterproof with lowwater absorption. The outer layers, with resistance to beatingrain, are supplied in rolls of precompressed foam so that afterunwinding and laying it has a strong reassertion to hold it inplace in the joint. The centre foam layer has a sufficientcompression hardness, while the outer layers take up anyirregularities in the side flanks of the joint. The outer layersdo not need to be resistant to weather and ultra-violetradiation. The closed cell foam for the centre layer is in aU-shape to contain an expanding and precompressed foam and becovered by an outer layer to absorb any irregularities in theside flanks of the joint.
Patent DE-4119191-A1 (DE)
Title: Electrical contact for vacuum switch - features disc shaped contact pieces with spiral slots and encircling contact ring with radiused edge
Inventor: PILSINGER GUENTER
IPC: H01H33/66
Filed: 1991-06-11
Abstract: The contact arrangement comprises two opposing disc-shaped contact pieces (1) that feature a number of spiral slots (2) that run from the centre to the outer edge of the disc. The middle of each disc is joined to a current connector (3) by a concentric pin (4), while the outer contact edge of the disc is fitted with an encircling crown ring (6) giving rise to a depression over the centre of the contact piece. The ring features an extended upper rounded edge (9) to reduce the chances of contact burning and is manufactured from a low-arcing material such as sintered cooper-chrome. ADVANTAGE - Shape of crown ring reduces chances of arcing and overheating.
Patent DE-4123280-A1 (DE)
IPC: B60R22/18
Filed: 1991-07-13
Abstract: In a safety belt buckle with a single moulded component (ejector bolt) forming the ejector and the bolt for the insertion lug which is arranged in the buckle housing to pivot with respect to its locking function and longitudinally movable with respect to its ejector function and with a sliding button to unlock the belt, the opening forces needed for the buckle are to be reduced. To this end, the pivot (18) of the ejector bolt (16) at the opposite end of the ejector bolt (16) to that for the locking of the insertion lug (13) and above the insertion path (12) is arranged to have an automatic release action for the ejector bolt (16) and is longitudinally movable in a slide (19) of the buckle casing (10) and to the ejector bolt (16) is connected a safety component (24) between a release position for the swivelling movement of the ejector bolt (16) and a movable securing component (24) to secure a safety position, which is guided between its positions in an appropriate channel (27) in the buckle casing (10).