baber/WOPTO huggingface dataset:
Patent DE-4008859-A1 (DE)
Title: Reader for magnetic cards for access controller - has programmable memory, power and data output and real=time measurement circuit integrated into unit
Inventor: BECKER HANS-JOACHIM
IPC: G07C9/00
Filed: 1990-03-20
Abstract: The magnetic card reader for cards inserted into an access control arrangement is integrated into a unit having a memory programmable by a master card or programming card. A power output or a power and data output is used for triggering a switching function. A real time measurment arrangement with a buffer battery is also integrated into the unit. The data output is in the form of a socket to which a function memory can be attached to store the individual read processes and their times of occurrence. USE/ADVANTAGE - For use in an arrangement limiting access e.g. to authorised persons. Resistant to noise and manipulation.
Patent DE-4012705-A1 (DE)
Title: Leavened dough prodn. - by mixing culture, water and milled cereal at intervals with rest periods which become longer as fermentation proceeds
Inventor: ENZENSPERGER PETER
IPC: A21D8/04
Filed: 1990-04-20
Abstract: Leavened dough is prod. using milled cereals, water and a culture medium. Individual ingredients are intensively mixed at intervals independent of the fermentation process or state of fermentation. Stirring periods are alternated with rest periods and become longer as fermentation progresses. Appts. consists of a cylindrical container with a motorised stirrer which extends to the base of the container. A timer controls the stirrer motor. At the container base is a first product outlet and at a slightly higher level is a second prod. outlet which allows a given amt. of the mixed ingredients to remain in the container. USE/ADVANTAGE - The process and appts. are used to produce leavened dough for bread and confectionery mfr. and produce a high quality product without using a multi-stage, time intensive process.
Patent DE-4014338-A1 (DE)
Title: Surgical corset back part - is formed by rigid shell with middle part pressing against spinal column
Inventor: ECHTERMEYER VOLKER
IPC: A61F5/02
Filed: 1990-05-04
Abstract: The surgical corset has a back part (1) made in the form of a rigid shell (1), and a front part (2) which fits around the upper end and lower parts of the torso. The front part (2) has side pieces by which it is attached to the back part (1). The middle region of the back part (1) is so shaped that it presses against the spinal column in order to correct any deformity. The back part (1) outside the middle region is so shaped that it does not exert any pressure on the vertebrae.
Patent DE-4016038-A1 (DE)
Title: Vibrator producing seismic energy - contains heavy reaction wt. movable by hydraulic piston and divided working cylinder
Inventor: TALKE HERBERT
IPC: G01V1/155
Filed: 1990-05-18
Abstract: A vibrator for generating seismic energy contains a base plate (5) and a heavy reaction wt. (4) which are movable w.r.t. each other by a piston (14) with a piston rod (1) moved hydraulically in a working cylinder (2). A divided working cylinder (2) is either mechanically connected to a heavy additional wt. (4) as part of the reaction wt. or to the base plate and contains hydraulic control devices (11-13) for actuating the piston. ADVANTAGE - Uses reaction wt. which is more economically mdf. and handled than those of conventional vibrators.
Patent DE-4017837-A1 (DE)
Title: Tape loading mechanism for helical-scan player - comprises two tape loading levers driven through common shaft with attached potentiometer for continuous position sensing
Inventor: GAUSE DIETER DIPL ING
IPC: G11B15/665
Filed: 1990-06-02
Abstract: The tape is withdrawn from a cassette by the guide spindles (10.11) which are mounted on rotating arms (6.8).  The arms are moved by a single motor (26) via worm-screws (18.19) with opposing threads, which are meshed with toothed wheels (24.25) fixed to each arm. The motor rotation, and hence the lever positions, are sensed by the potentiometer (31), which is preferably of the multiple rotation type. ADVANTAGE - Simple mechanism, cheap to manufacture.  Tape position is known even after power failure, allowing safe completion of loading/unloading procedure.
Patent DE-4021523-A1 (DE)
Title: Surface illuminator providing variable lighting effect - uses structured surface inserted in light path for spectral separation
Inventor: SPARLINEK CHRISTIAN
IPC: F21S10/02
Filed: 1990-07-06
Abstract: The light source (1) produces a narrow beam (2) directed onto a projection surface (5). A structural surface () is inserted in the light path between the source (1) and the projection surface (3) allowing at least part of the light beam to be divided into spectral colours. The structured surface (3) has depressions or holes with a lateral size larger than the visible wavelength of the light. A collimating lens (8) is provided between the source and surface (3). All three components (1, 3, 8) are rotatable and/or adjustable w.r.t. each other. USE/ADVANTAGE - Low cost decorative lighting which can be varied.
Patent DE-4027206-A1 (DE)
Title: Combined central heating and hot water supply system - has gas fired boiler and expansion tank
Inventor: HAN SEOK HWAN
IPC: F24H1/52
Filed: 1990-08-28
Abstract: A gas fired combined central heating and hot water supply system has a gas burner (5) which heats the boiler (6). A pump (8) circulates initially cold water from the supply pipe (10), through a heat exchanger (9) and then through the boiler (6). The heated water then flows to the hot water supply pipe (12). The hot water supply pipe (12) is also connected through the valve (1) to the expansion tank (2) which also serves as the hot water storage tank. Water from the expansion tank (2) is circulated by the second pump (4) through the heat exchanger (9) and boiler (6) to the central heating system through the control valve (7). USE/ADVANTAGE - The system can cope with large demands for hot water.
Patent DE-4034398-A1 (DE)
Title: Appts. for opto-electronic measuring of body geometry - has opto-electronic transceiver elements fitted to measuring channel with defined spacing
Inventor: LUGE HARTMUT
IPC: B07C5/10
Filed: 1990-10-29
Abstract: The appts. for measuring and identification of the geometry of bodies contains opto-electronic transmission (1) and reception elements (2), between which the objects are moved and/or rotated. The opto-electronic elements are connected to a measuring channel (3) to form a flat light barrier. The receiver element separation is max 60 percent of the smallest body dimension in the measuring plane. All opto-electronic elements are driven by a clock pulse generator (4) with a synchroniser (5) and selector (6). The receiver elements feed an amplifier filter (7), followed by a two-stage comparator (8) and an optical transmission power control (9). USE/ADVANTAGE - For precise measuring and indentifying bodies with large geometric differences, esp. rods with very different dia., under adverse working conditions.
Patent DE-4034951-A1 (DE)
Title: Construction magnetic head - uses sintered metal powder in protective housing to shield head
Inventor: AKIYAMA TOHRU
IPC: G11B5/105
Filed: 1990-11-02
Abstract: The magnetic head has a magnetic core (1) supported in housing (3A) by plastic (5), with a protective shield (4).  A polished surface (6), is used to provide path for cards or magnetic tapes. The housing (3A) is made from metal powder in a pressure moulding and sintering process.  Additionally, a binding material is added, and the housing (3A) is porous. USE/ADVANTAGE - Magnetic heads, protection of head.
Patent DE-4035271-A1 (DE)
Title: Low maintenance, dust resistant toothed power chain - has assembly of toothed straps connected by bolts located inside strap holes and within split bushes having dry lubricant surface
Inventor: DESCHNER HEINRICH DIPL ING
IPC: F16G13/04
Filed: 1990-11-02
Abstract: A toothed drive chain for use with sprockets has a toothed link plate assembly with joints formed by round bolts within bushes having a lubricating layer. Maintenance-free operation is achieved by enclosing the pivot bolts within the link plate holes and locating split bushes (5) between the bolts and the link plate holes. The lubricating layer (13) on the inner face of the bushes (5) comprises a porous bronze matrix (13a), a 'Teflon' (RTM)-lead mixt. layer (13b) integrated with the bronze layer (13a) and finally a running surface (13c) of 'Teflon' (RTM)-lead. USE/ADVANTAGE - The toothed chain is for power transmission with sprockets, requires low maintenance and has a lubricating layer unaffected by dust. (4/4)
Patent DE-4039825-A1 (DE)
Title: New sulpho-bi:phenylyl sulpho-phenyl indene dyestuff cpds. - used as fluorescent dyestuff, whitener esp. for paper or laser dyestuff
Inventor: FRANKE KLAUS DIPL CHEM DR
IPC: D06L4/621
Filed: 1990-12-13
Abstract: New 2-(sulphobiphenyl-4-yl)-6-sulphophenyl-indene cpds. (Ia) and (Ib) are of the formulae, R and R1 independently = -SO2R" (R" is 1-4C alkyl), -SO3M (M = H, Na, K, Li, Ca or NH4) or H, R1 and R1' independently = 1-4C alkyl (opt. substd. by OH, CN or halogen), H, Na, K, Li, Ca or NH4, R2 = 1-4C alkyl or H, R3 and R4 = 1-3C alkyl or H, R, R1 and R2 may be the same or different. The prepn. of (I) is claimed. USE/ADVANTAGE - (I) are claimed for use as fluorescent dyestuffs, as whiteners for organic materials esp. paper and for producing coherent laser emission. (I) are much more soluble than stilbene. When used in dyestuff lasers, their output power is 10% higher than that of stilbene and increases by a factor of 1.7 cf. stilbene during the first 10000 flashes before falling to the level with stilbene after ca. 35000 flashes. The laser flashes have very high energy.
Patent DE-4100418-A1 (DE)
Title: Agent for stopping smoking - contg. soya bean protein
Inventor: KLOSA JOSEF DIPL CHEM DR RER N
IPC: A61K38/16
Filed: 1991-01-09
Abstract: Agent for stopping smoking contains 20-80% of soya bean protein. Pref. the soya protein is combined with other foods, e.g. honey, oat flakes, carbohydrates, e.g. cocoa powder or a chocolate compsn., to give a palatable, easily accepted form. In an example (A) 100 g of bees' honey was added in portions to 900 g of soya flour, to give a sticky compsn. which was left to stand for 8-12 h, stirred again for 3 h, left to stand for 10 h, and stirred for 1-2 h, giving a dry flour which could be used as it was, pressed into tablets, or processed into sweets together with a chocolate compsn. (B) For comparison, a placebo contg. buttermilk was used. For 3 mths, smokers took 4 teaspoonsful of (A), or 15 teaspoonsful of (B), 3 x daily, without knowing whether they were taking (A) or (B).
Patent DE-4103140-A1 (DE)
Title: Macro-monomer(s) for prepn. of graft copolymers - partic. omega-(vinyl:benzoyl)-poly-(2,6-di:methyl)-1,4-phenylene] ethers]
Inventor: MUEHLBACH KLAUS DR
IPC: C08G65/48
Filed: 1991-02-02
Abstract: Macromonomers of formula (I) are new., where R1, R2 are lower alkyl; R3 is H or lower alkyl; and n is polymerisation deg. of at least 5. Macromonomers of formula (Ia), partic. omega-(4-vinyl-)benzoyl-poly 2,6-dimethyl-1,4 phenylene ether (VB-PPE) of polymerisation deg. of the phenylene ether of 5-200 are specifically claimed. In (Ia), n = 5-200. USE/ADVANTAGE - Used for the prepn. of copolymers (claimed). Avoids prior art problems of sepg. copolymers and unreacted monomer. The graft polymers obtd. are useful as adhesives, compatabilisers in polymer alloys or rubber in materials. In an example, 30g poly-(2,6-dimethyl-1,4-phenylene ether) (PPE) (prepd. from p-chloro-2,6-dimethyl phenol) (Mn 13400) was dissolved in 350g pyridine. 10 mols. 4-vinyl benzoyl chloride were added at 0. deg. C, giving VB-PPE after 24 hrs.. 3g VB-PPE and 7g ethyl acrylate were dissolved in 50g toluene, 0.03 AIBN added and polymerisation occurred at 60 deg. C for 30 hrs.. The polymer was pptd. in 4 pts. vol. petroleum ether and 1 pt. vol. methanol and dried. The yield was 88%.
Patent DE-4104183-A1 (DE)
Title: High holding ratio, micro-droplet or network electro=optical system - contg. specified cpd. in liq. crystal mixt. and with polymerisation of transparent medium initiated by radical photoinitiator
Inventor: POETSCH EIKE DR
IPC: C09K19/42
Filed: 1991-02-12
Abstract: An electro-optical system is claimed in which (a) a liq. crystal mixt. and a further optically transparent polymeric medium are present between 2 electrode layers, one of which acts as an active matrix, non-linear, image-integrated control element and the other of which forms a counter-electrode; (b) the liq. crystal mol. shows random orientation in the switched-off condition; (c) one of the RI's of the liq. crystal mixt. corresponds to the RI of the polymer medium and/or the ratio of the mass of the liq. crystal mixt. to the mass of optically transparent medium is 1.5 or higher; and (d) one of the 2 switching states shows reduced transmission compared to the other, irrespectively of the polymerisation of the incident light. The liq. crystal mixt. contains one or more cpds. of formula (I); and the polymerisation of the optically transparent medium is initiated by a radical-forming photo-initiator. In (I), n = 0, 1 or 2; Z1 and Z2 = a bond, -CH2CH2-, -COO-, -OCO or -CC-; rings A1 and A2 = independently trans-1,4-cyclohexylene, 1,4-phenylene, 2- or 3-fluoro-1,4-phenylene or 2,3- or 3,5-difluoro-1,4-phenylene and one of A1 and A2 can also be pyrimidin-2-diyl, pyridin-2,5-diyl or trans-1,3-dioxan-2,5-diyl; X1-3 = H or F; Y = F, Cl, OCF3, OCHF2 or CR3; and R = up to 12C alkyl where one or two non-neighbouring CH2 gps. can be replaced by -O- and/or -CH=CH-. USE/ADVANTAGE - The system can be of the type with an active matrix-controlled discrete microdroplet or 3-D network structure. It has optimum characteristics and, in particular, a high Holding Ratio (HR)
Patent DE-4105762-A1 (DE)
Title: Magnetic tape recorder with head tilt angle adjustment - has screw adjusters operating against U=shaped spring supporting head carrier
Inventor: LAUBLE ERHARD
IPC: G11B5/56
Filed: 1991-02-23
Abstract: The magnetic tape-recorder has a recording head that is supported on a carrier plate (3) and is vertically adjusted by a centre screw (35) with spring loading (33). The plate is restrained by a 'V' shaped spring support (4) that is mounted on a fixed base (2). Adjustment of the head angle to eliminate any lack of angular alignment with the tape is provided by a pair of screws (31,32). These are threaded through holes in the head carrier and react against the 'V' shaped spring. ADVANTAGE - Allows tilt angle of head to be adjusted.
Patent DE-4105832-A1 (DE)
Inventor: EICHER JOHANNES DIPL CHEM DR
IPC: C07C17/00
Filed: 1991-02-25
Abstract: The preparation of fluorine-containing ethane derivatives, using a catalyst mixture comprising a metal halide and a sulphonic acid derivative, is described. The process is particularly suitable for the preparation of ethane derivatives containing a CF3 group, for example CF3CHCl2 (R123) from perchloroethylene and for the preparation of CF3CH2F (R134a) from trifluoroethylene.
Patent DE-4109785-A1 (DE)
Title: Standard pattern comparator for speech recognition - has dictionary system with normal dictionaries and single master dictionary with preset data types
Inventor: YASUDA SEIGOU
IPC: G10L15/06
Filed: 1991-03-25
Abstract: The dictionary system comprises a number of normal  dictionaries and a master dictionary, with all standard patterns in each standard dictionary and some standard patterns in the master dictionary corresp. to a data type. Thus there is no duplicate standard pattern in more than two dictionaries. Each standard pattern, contained in the master -dictionary, is used for several standard dictionaries for correspondence with nay arbitrary data type. A selector picks up a corresp. standard dictionary and master dictionary from the memory, based on the available data. A comparator compares the data with the standard pattern, recorded in one respective standard dictionary and the master dictionary. ADVANTAGE - Reliable recognition based on data comparison.
Patent DE-4110853-A1 (DE)
Title: Hand and part arm washing appts. for quick cleaning and disinfecting in hospitals - has tubular or angular single or double sleeve type housing open sealable at top end for insertion of arm or arms fitted with rollers or brushes or nozzle or combination
Inventor: FLECK WOLFGANG
IPC: A46B13/04
Filed: 1991-04-04
Abstract: The mechanical elements for the cleansing of the hands or arms, are automatically driven pref. electrically or hydraulically using water. The cleansing is carried out intensively with relaxing massage, using a programme controlled supply of detergent and disinfectant, which can be drained away across a discharge outlet. The operating of the washing appts. can be activated manually using a hand or foot switch, or automatically controlled with an electronic circuit. The disinfecting is carried out with the dosing of germicidal light waves or electrical HF waves, produced by a controlled radiation transmitter in the drying chamber. ADVANTAGE - Sterile cleaning is carried out with low use of chemicals, quicker and cheaper. Appts. is user friendly and gives feeling of well being. Saves time and expense.
Patent DE-4111140-A1 (DE)
Title: Detector for input of data or switching signals - incorporates joystick movable within orthogonal slotted and spherical catches with spring-aided restoration to vertical position
Inventor: ITO KEIJI
IPC: G05G9/047
Filed: 1991-04-06
Abstract: A gp. or pair of detectors (32) of rotation are arranged laterally on the housing with rotary shafts (33) having one end cooperating with the ends of respective catches (32,40) at right angles to each other. An operating shaft (36) passing through both catches (31,40) is pivotable in a predetermined direction and reverts automatically to the vertical. A restoring spring (53) urges a collar (47) against its counterpart (54) on an actuator (37) at the end of the shaft (36). ADVANTAGE - Angle of inclination of operating shaft is increased and its vertical direction guaranteed even in neutral position.
Patent DE-4111725-A1 (DE)
Title: Ceramic process for rendering inert pollutants in waste sludges - by forming into shape, opt. with addn. of silicate forming additives, then heating to form encapsulating melt, giving non-leachable prods.
Inventor: GREHL ANTON
IPC: C04B18/02
Filed: 1991-04-10
Abstract: Pollutants, are rendered inert by (1) determining the proportion of melt-forming components (A) in the material (esp. components which can be converted to silicates by heat treatment); (2) processing the material, opt. by use of additives and/or fillers, to shaped objects contg. a predetermined amt. of (A); (3) heating these objects according to a predetermined temp. profile and/or progression to produce a final shaped object with altered physical properties such that the pollutants (or particular pollutant cpds. or gps of cpds.) are converted to insoluble form. The shaped articles produced by heat treatment are also new. USE/ADVANTAGE - The final articles are useful as ceramic constructions materials (e.g. floor coverings), as filter materials (in comminuted, size-fractionated form) and as a binder for liq. pollutants (e.g. oil or fuel). The method is an economical and non-polluting method for treating highly polluted waste to eliminate pollutants while exploiting their energy content. It can also be applied to filter dust from waste incinerators. The pollutants are not leached from the shaped articles under normal environmental conditions.
Patent DE-4115807-A1 (DE)
Title: Four stroke rotary IC-engine - has engine charged by chambers located beneath pistons in cylinder housing
Inventor: FIALA ERNST PROF DR
IPC: F02B75/02
Filed: 1991-05-15
Abstract: The rotary four stroke i.c. engine, has a stator, a rotating cylinder housing, and a crankshaft (13) rotating relative to the cylinder housing and driving connecting rods. Chambers (29a-29h) sealed against the crankshaft are arranged in the cylinder (14a-14h) housing beneath the pistons (15a-15h). Air or an air-fuel mixture is drawn in through these chambers to charge the combustion chambers (28a-28h). At any one time, one cylinder may be charged by two lower chambers simultaneously. ADVANTAGE - Improved power to weight ratio without increased space requirement.
Patent DE-4122680-A1 (DE)
Title: Grinding and mixing mill - has housing with container and grinding elements and outlet chamber fitted with sieve to separate grinding elements from ground material.
Inventor: STEHR NORBERT DR ING
IPC: B02C17/18
Filed: 1991-07-09
Abstract: The mill has a support (1) which supports a horizontal arm. A housing (15) suspended from the arm supports a container (7) for the material being ground together with grinding elements (28) which aid the grinding operation. The material being ground is in granular form and flows into the container (7) through the connection (26). The material flows into the outlet chamber (27) which is fitted with a sieve which separates the grinding elements from the ground material. The sieve holds back the grinding elements . A mixing device is installed in the sieve. ADVANTAGE - Provides the ability to separate and retain the grinding elements.
Patent DE-4124374-A1 (DE)
Title: Vehicular headlamp with heat-resistant coated filter screen - facilitates conduction of heat away from edge of screen defining boundary between bright and dark regions
Inventor: PEITZ WOLFGANG
IPC: F21V29/15
Filed: 1991-07-23
Abstract: A gas-discharge lamp (2) is positioned at the focus (5) of an ellipsoidal reflector (1) directing the beam through a plano-convex lens (3) in a tubular frame (8). The lower part of the beam is screened by a sheet of transparent filter material with a layer of heat-resistant ceramic or metal at the edge region corresp. to the boundary of the beam. The filter may be opaque to visible, and transparent to ultraviolet light. ADVANTAGE - Screen can withstand high temp. even if material of filter itself is insufficiently heat-resistant.
Patent DE-4126967-A1 (DE)
Title: Updating data-bases of facsimiles from central facsimile - sequentially calling peripheral facsimiles, each calling its own data-base in central facsimile
Inventor: CHARBONNIER PHILIPPE
IPC: H04N1/32
Filed: 1991-08-14
Abstract: Databases, distributed among the memories of several facsimile machines (Tpi) are brought up-to-date from a central memory (Tc) by the central facsimile calling the peripheral ones in a sequence. Each peripheral facsimile calls only its own databases (b) in the sequence preset by the central facsimile. Pref. the recall of the central facsimile by a peripheral one takes place according to standard T30 protocol. In such cases, a successive use of each page of a document and successive document scanning takes place. Typically the central facsimile recall by a peripheral one depends on sending a password from the central facsimile. USE/ADVANTAGE - For exchange of functions between facsimile network members, with consideration of significance before data update is initiated.
Patent DE-4127407-A1 (DE)
Title: Injection-seeder coupling into Q-switched solid laser resonator - is effected via 45 deg. rotator between polarisers which prevent transmission from resonator back to seeding laser
Inventor: AMLER HANS
IPC: H01S3/23
Filed: 1991-08-19
Abstract: The injection-seeding laser beam is coupled via the optical diode constituted by a Faraday rotator (FR) between two polarisers (P2,P3) relatively rotated by 45 deg. The first polariser (P2) transmits the light emitted from the resonator, for 45 deg. rotation by the Faraday rotator (FR) so that it is transmitted by the second polariser (P3). The first polariser (P2) transmits seeding light into the resonator. USE/ADVANTAGE - For Nd:YAG laser, seeding laser beam is coupled into resonator without serious loss, saving about 80% of energy compared with end mirror coupling, or 99.9% compared with polariser coupling.