baber/WOPTO huggingface dataset:
Patent EP-0361807-A3 (EP)
IPC: G11C19/00
Filed: 1989-09-22
Abstract: Apparatus for formation of a two-phase shift register 
bit that preserves noise margins, allows use of reduced 
standby power, requires only two clock phase signals to 
drive the system, and requires relatively few transistors 
for implementation. In one embodiment, the apparatus uses 
two modules that are substantially identical, each module 
using four transistors and requiring only a single clock 
phase signal for operation.
Patent EP-0369624-A3 (EP)
Title: Trans-tympanic connector for magnetic induction hearing aid
IPC: A61F2/18
Filed: 1989-10-25
Abstract: The specification discloses a trans-tympanic rod 
having a magnet at one end, and connected at the opposite 
end to a location in the middle ear, for transmitting the 
vibrations induced in the magnet by a magnetic induction 
hearing aid, to the inner ear. The rod can mate with the 
malleus by way of a set of prongs or by insertion in a 
hole in the malleus. Alternately, the rod can mate with a 
hole in an ossicular replacement prosthesis. 
Additionally, the rod can mate with a horseshoe shaped 
prosthesis located between the tympanic membrane and the 
malleus.
Patent EP-0378225-A3 (EP)
IPC: A61M60/851
Filed: 1990-01-12
Abstract: Fluid in- and out-flow spaces (4, 5) are provided 
for fluid inlet and outlet (16a, 16b) of a fluid 
processor (3) accommodated in housing (1). Further, 
pair wall means (6, 11) defining the fluid in- and 
out-flow spaces, a flexible member (6) provided for 
deformation on at least one of the wall means, an 
operation chamber (8) provided in correspondence to 
the flexible member, fluid pressure supply means for 
fluid pressure for reciprocating the flexible member 
and port on-off means for reverse flow prevention 
to direct flow of fluid from the fluid in-flow space 
to the fluid out-flow space are provided. Reciprocal 
operation of the flexible member generates fluid 
pressure variation in the fluid in-and out-flow spaces, 
thus causing flow of said fluid processor.
Patent EP-0385501-A3 (EP)
Title: Constant feed water device
IPC: G01F15/00
Filed: 1990-03-02
Abstract: A constant feed water device having a flow meter for measuring the quantity of water to be fed, a comparing device in which the detected values of the flow meter are inputted and the integrated flow rate is compared with the set quantity of the feed water, a controller for outputting valve closing signals when the integrated flow rate has reached the set quantity of the feed water, a valve to be closed by the valve closing signals, a feed water starting device for causing the valve to open, wherein the controller has a learning switch for outputting selection signals of the feed water learning mode, a memory switch for outputting signals to specify the program to store the integrated flow rate, and a device for storing the integrated flow rate as the set quantity of the feed water according to the selection signals of the feed water learning mode of the learning switch and the signals from the memory switch, the comparing device compares the set quantity of the feed water stored in the memory device with the integrated flow rate, so that the valve is automatically closed so as to stop feeding of water when the integrated flow rate has reached the set quantity of the feed water stored in the memory device.
Patent EP-0386797-A3 (EP)
Title: Optical apparatus using wavelength selective photocoupler
IPC: H01L27/15
Filed: 1990-03-12
Abstract: The present invention relates to optical apparatus 
such as a photosensor, a semiconductor laser, an 
optical amplifier in which a wavelength selective photo­
coupler is used so as to couple two waveguides through a 
diffraction grating.  
     A photosensor which is one of the optical 
apparatus according to the present invention comprises a 
substrate, a first waveguide layer formed on the 
substrate, a second waveguide layer formed on the first 
waveguide layer to be stacked in a direction of 
thickness and which has a guided mode difference from 
that of the first waveguide layer, a diffraction grating 
formed on an overlapping region of the guided modes of 
the first and second waveguide layers and which couples 
light components of a specific wavelength range of light 
propagating through the first waveguide layer to the 
second waveguide layer, a light absorption layer for 
absorbing at least some light components of the light 
components coupled to the second waveguide layer, and an 
electrode for converting the light components absorbed 
by the light absorption layer into an electrical signal 
and outputting the electrical signal.
Patent EP-0392396-A3 (EP)
Title: Complexes of iron or other metals with sulphonated derivatives of chitosan
IPC: A61K31/295
Filed: 1990-04-06
Abstract: Complexes of iron or other metals with sulphonated derivatives of chitosan, having the following general formula (I): <CHEM>  in which:  R is H or a C1- C5 alkyl group, or an arylalkyl group;  A is H or an alkaline metal or an alkaline earth metal;  X is a pharmacologically acceptable anion;  m is a whole number from 50 to 1000;  n is zero or a whole number from 1 to 10; M is Fe<II>, Fe<III>, Mg, Ca or Bi
Patent EP-0395068-A3 (EP)
Title: Character recognition equipment
IPC: G06V30/144
Filed: 1990-04-26
Abstract: The present invention relates to a character 
recognition equipment (10) which is capable of recogniz­
ing with high accuracy those characters that have poor 
contrast and produce variation in printing density such 
as characters printed on industrial products.  
     The character recognition equipment (10) 
according to the present invention is composed of an 
input unit group (3) which processes in image in a 
plurality of window regions (201, 202, 203, ...) that 
are set on a character image, a feature unit group (4) 
which performs calculation on values obtained by adding 
thresholds to the output values therefrom, and an output 
unit group (6) which performs calculation on values 
obtained by multiplying output values from the feature 
unit group and adding the thresholds to the sum total 
thereof. Here, the thresholds and the weights can be 
adjusted automatically with an actual object image.
Patent EP-0417791-A3 (EP)
Title: Method and apparatus for the compensation of the temperature of the housing or the ambiant temperature of a pyrometer
IPC: G01J5/06
Filed: 1990-09-13
Abstract: The invention relates to a method for the compensation of the temperature of the housing or the ambient temperature of a pyrometer, which, in particular, is fitted with a photon detector or thermal detector for detecting radiation, and a pyrometer device for carrying out the method. According to the invention, the compensation signal relating to the temperature of the housing or the ambient temperature of the pyrometer is obtained from the element of the detector provided for detecting radiation. <IMAGE>
Patent EP-0393937-A3 (EP)
IPC: F24F12/00
Filed: 1990-04-12
Abstract: A heat exchanger is constructed from a heat -conductive metal foil wound 
backwards and forwards in sinuous fashion to provide a stack of parallel 
pockets (1) between neighboring sections (8) of the foil. The pockets (1) 
contain baffles (5,6) which guide fluid flowing through the pockets to follow 
a serpentine path of U, S or M shape. The serpentine path in all the pockets 
is substantially the same shape but the direction of fluid flow (13) in alternate 
pockets is opposite to the flow direction (14) in the remaining pockets. Two 
corner regions of the pocket stack are each provided with two manifolds 
(15,16) one of which communicates with the alternate pockets (1) and the 
other manifold communicates with the remaining pockets (16). The pockets 
may be formed from a single foil or from two or more foils. The manifolds 
may be arranged on diagonally opposite, or on adjacent corner regions of the 
stack.
Patent EP-0393981-A3 (EP)
Title: Line printer
IPC: H04N1/40
Filed: 1990-04-17
Abstract: A line printer has a line head (12) constituted by an 
array of EL devices (2). The line head is positioned adjacent 
to a photosensitive body (36) with a linear photosensitive 
characteristic so that the body continuously moves 
relative to the head for secondary scanning. In response 
to a print signal containing print density information on 
each pixel, the number or frequency of pulses that are 
input to the EL devices is controlled. Accordingly a 
luminous intensity changing means changes (21₁-21₄, 23₁-23₄, 25) 
the EL devices in their luminous intensity for printing.
Patent EP-0405859-A3 (EP)
Title: Data storage device for a digital data processing system
IPC: G06F11/20
Filed: 1990-06-22
Abstract: The invention generally features a write history log that is used in the preferred embodiment to perform a management operation, such as a merge operation, on a shadow set. The preferred embodiment features a method of managing a shadow set of storage media accessible by one or more data sources, comprising the steps of: A. maintaining a log of information relating to locations within the shadow set storage media to which data is written from at least one of the data sources, and B. carrying out a management operation by: a. accessing the log to determine information relating to one or more of the locations to which data has been written, and b. carrying out the management operation with respect to the one or more locations, based on the results of the step of accessing the log. In the preferred embodiment, the information comprises the addresses of the locations to which the data was written and an identification of the source or sources from which data was written. The management operation is carried out with respect to locations selected on the basis of the source from which data was written. The information is stored in the log for data written to the shadow set over a predetermined period of time. The information in the log relates to locations within the storage media to which data was written from a plurality of sources.
Patent EP-0407136-A3 (EP)
Title: Generation and purification of nitrogen producing high purity
IPC: F25J3/08
Filed: 1990-06-03
Abstract: In a nitrogen generation process in which a stream of air is compressed in compressor 11, is cooled and has water vapour and carbon dioxide removed therefrom in a reversing heat exchanger 16, and is separated in a rectification column 24, a gaseous nitrogen product stream 30 is produced. An air turbine 22 is operated to produce refrigeration for the process. The process is also used to purify merchant liquid nitrogen typically containing from 0.5 to 5 vpm of oxygen. A stream 51 of such merchant liquid nitrogen is introduced into a stage of the rectification column where the liquid nitrogen has a substantially matching composition. A stream 36 of purified liquid nitrogen is withdrawn from the top of the column 24. The purified liquid nitrogen can be produced at a rate in excess of that made possible by the turbine 22 without reducing the efficiency of gaseous nitrogen generation.
Patent EP-0383734-A3 (EP)
Title: Roto-elevator for multi-storey garages
IPC: E04H6/28
Filed: 1990-02-14
Abstract: The roto-elevator consists of an underground tower 
structure (4) wherein there is another tower (4a) 
which rotates about its own axis and within which 
there is an elevator (5) centrally installed and 
running vertically to and from the surface and the 
different levels of parking stalls (2) arranged 
radially on each floor of a cylindrical static 
structure (1). Drive means (6) are envisaged to 
rotate the tower about its axis (y) in such a way as 
to enable the axial alignment of the elevator (5) 
with any one of the vehicle parking stalls. 
Cantilever platforms are also envisaged, at each 
floor of the static structure, which complement the 
core (1a) of the tower (4) and which rotate with the 
tower (4a) in such a manner as to join horizontally 
and uninterruptedly the said tower (4a) to each 
floor of parking stalls.
Patent EP-0432141-A3 (EP)
Title: A femoral stem for permanent implantation into the natural femur
IPC: A61F2/36
Filed: 1985-03-29
Abstract: An orthopedic device (10), especially a hip joint prosthesis (10) comprising a stem and a spherical head, is formed from a composite material (42, 44) which is reinforced with continuous filament or carbon fibers (26) to provide the material with high flexural strength, hydrolytic stability and a medical grade quality. The stem and spherical head can be formed from a composite block (54). In the alternative, the stem alone can be formed from the block and a head of another material attached to one end of the stem. Sheets of carbon fibers held together by a polymer are rolled in a spiral configuration about an axial direction to form the stem and then molded under heat and pressure. The resulting composite is then machined to form the orthopedic device. <IMAGE>
Patent EP-0496391-A3 (EP)
Title: Semiconductor memory device
IPC: G11C11/41
Filed: 1992-01-23
Abstract: A semiconductor memory device having: a RAM port for randomly accessing a memory cell (1) array having memory cells disposed in matrix; a SAM port for serially accessing data of one row of the memory cell array (1); a mode switching unit (203) for switching the operation mode of the SAM port between an ordinary data output mode and a test mode, upon externally receiving a mode switching signal; and an address pointer outputting unit (104, 201, 501) for outputting an address pointer of the SAM port when the operation mode is switched to the test mode by the mode switching unit (203). <IMAGE>
Patent EP-0499873-A3 (EP)
Title: Use of 3,(4)-substituted pyrrozidines as catalysts in the polyisocyanate-polyaddition process, process for their preparation and a process for the preparation of polyurethanes and polyureas
IPC: C07D487/04
Filed: 1992-02-04
Abstract: The invention relates to the use of 3- and/or 4-substituted pyrrolidines as catalysts for the preparation of products by the polyisocyanate-polyaddition process. They can be employed as a replacement for, or in combination with, urethane catalysts which are known per se, for example 1,4-diazabicyclo[2,2,2]octane (DABCO) for the preparation of rigid or flexible polyurethane foams as well as a large number of other polyurethane products. The abovementioned term "polyurethane products" is to be understood hereinafter as meaning all reaction products of polyisocyanates with compounds having at least 2 hydrogen atoms which are reactive towards isocyanates, i.e. the term polyurethane used herein is to be understood, for example, as meaning pure polyurethanes, polyurethane polyureas or pure polyureas.
Patent EP-0504571-A3 (EP)
Title: Mould for injection moulding of multicomponent brush bodies
IPC: A46D3/00
Filed: 1992-02-05
Abstract: Mould for multicomponent injection moulding of brush bodies, especially toothbrush bodies, with two mould parts movable towards each other and away from each other, which jointly form a plurality of mould cavities. According to the invention at least two of the mould cavities are permanently assigned to different components, the at least one mould cavity (16) permanently assigned to the component to be injected first having a recess in the shaping surface of the one mould part (10), which recess can be closed by an insert element (24) movable relative to this mould part, on which insert element a projection (26) is formed which projects into the mould cavity (16) when this is closed by the insert element (24). The insert element (24) is additionally fastened to a carrier (28, 30) by means of which a preform (40) injected in this mould cavity (16) assigned to the component to be injected first can be introduced into a mould cavity (14) assigned to a different component. A mould of this kind can be produced with comparatively very much lower effort and requires especially neither a rotatable mould half nor a strict symmetry of the mould cavity parts of a rotatable mould half. <IMAGE>
Patent EP-0501847-A3 (EP)
Title: Nuclear gauge with compensation for sample of insufficient neutron moderating activity
IPC: G01N23/09
Filed: 1992-02-11
Abstract: Method and apparatus for determining the asphalt content of a bituminous paving mix wherein Marshall plug samples (21, 22) of the bituminous paving mix are subjected to a neutron source (24) and the neutrons that are thermalized by hydrogen nuclei present in the Marshall plug sample are detected and counted to provide an indication of the asphalt content of the sample. A neutron moderating substance, such as a polyethylene sample holder (19) having receptacles for closely fitting the Marshall plug samples, is included with the sample pan (17) to increase the number of thermalized neutrons resulting from the interaction of neutrons with hydrogen nuclei present in the sample. <IMAGE>
Patent EP-0628345-A3 (EP)
Title: Method and apparatus for treating hot gases.
Inventor: HYPPAENEN TIMO
IPC: B01D45/02
Filed: 1994-06-07
Abstract: A method and apparatus for treating hot process gases produced in high temperature processes in a circulating fluidized bed reactor. The reactor (10) comprises a mixing chamber (12), a particle separator (16) and a return duct (18) for returning the circulating mass from the particle separator to the mixing chamber. The return opening (24) of the return duct is so arranged that the flow of solids entering the mixing chamber via the opening is directed substantially downwardly. The inlet (22) for hot process gas is so arranged as to allow the hot process gas to flow into the mixing chamber as a substantially upwardly directed solids flow so that the solids flow comes into contact with the gas flow. <IMAGE>
Patent EP-0639029-A3 (EP)
Inventor: LEE DONG HO
IPC: H04N5/44
Filed: 1994-08-05
Abstract: An apparatus for converting a frame format of a 
television signal, comprising a scanning format conversion 
circuit for converting a scanning format of an input video 
signal into a progressive scanning type if it is of an 
interlaced scanning type, a scanning line conversion circuit 
for converting the number of vertical scanning lines of an 
output video signal from the scanning format conversion 
circuit into that of a display format, a horizontal pixel 
conversion circuit for converting the number of horizontal 
pixels of an output video signal from the scanning line 
conversion circuit into that of the display format, and a 
format control circuit for controlling the scanning format 
conversion circuit, the scanning line conversion circuit and 
the horizontal pixel conversions circuit to convert a frame 
format of the input video signal into the display format.
Patent EP-0641699-A3 (EP)
Title: Pneumatic braking installation.
Inventor: INOZEMTSEV VLADIMIR PROF
IPC: B60T13/40
Filed: 1994-09-01
Abstract: The invention relates to a pneumatic, preferably indirectly controlled brake installation for rail vehicles, with at least one air reservoir 40, at least one pneumatic brake cylinder 3 and at least one control valve 2 for controlling the filling and venting of the brake cylinder, which has a twin-pressure valve 5 connected to the main air line 1 for generating a control pressure for the brake cylinder 3 by means of a fixed filling or charging throttle 19. For uniform release of the brake system, for shortening the release times and for improved charging of the reservoir, the brake installation according to the invention has a pressure differential maintaining device 21 assigned to the twin-pressure valve 2, which device in each release sequence maintains the pressure differential at the charging throttle 19 at a predetermined value. <IMAGE>
Patent EP-0685892-A3 (EP)
Inventor: UMEDA HIROSHI
IPC: H01L33/30
Filed: 1995-05-31
Abstract: A method for producing a light-emitting diode
provided with a pn junction of GaP containing nitrogen on
an n-type GaP substrate, includes the steps of: forming
an n-type GaP layer on the n-type GaP substrate by
epitaxial growth by bringing the n-type GaP substrate
into contact with an oversaturated melted Ga; forming an
n-type GaP:N layer having a low n-type carrier concentration
on the n-type GaP layer by epitaxial growth by
bringing the melted Ga into contact with NH 3  gas; and
forming a p-type GaP:N layer having a carrier concentration
almost equal to a carrier concentration of the n-type
GaP:N layer on the n-type GaP:N layer.
Patent EP-0743539-A3 (EP)
Title: Verfahren und Sondenanordnung zur elektromagnetischen Detektion von metallischen Objekten
Inventor: EBINGER KLAUS
IPC: G01S13/88
Filed: 1996-05-17
Abstract: Die Erfindung betrifft ein Verfahren und eine Sondenanordnung
zur elektromagnetischen Detektion von metallischen Objekten.
Dazu sind mehrere Empfangsschleifen vorgesehen, die
ein vom gesuchten Objekt abgestrahltes Sekundärsignal detektieren.
Die mit den verschiedenen Schleifen empfangenen
Sekundärsignale werden miteinander verknüpft und objektspezifisch
ausgewertet. Dadurch wird eine exakte Information
über den Ort und die Lage des zu detektierenden Objekts erreicht.
Patent EP-0737842-A3 (EP)
Title: Novel front panel for dartboard games machines
Inventor: QUETGLAS ARINO MIGUEL ANGEL
IPC: F41J3/00
Filed: 1996-02-29
Abstract: Novel front panel for dartboard games machines characterized in that on said front panel there is arranged a window under which there is located an alphanumeric display generating moving luminous text of varied content and repeated in various languages, the said text appearing continuously in the aforementioned window from one of the ends thereof and disppearing at the other opposite end when it is actuated by means of a button for selecting the appearance of the appropriate text in the correct language, independently of the central "eye", there are arranged additional eyes in the annular zone around the perimeter of the dartboard playing area which are actuated by the point of a dart which strikes them, which additional "eyes" are likewise connected, independently, with the CPU of the processor board of the dartboard, to which they send the corresponding signal.
Patent EP-0753760-A3 (EP)
Inventor: KIM JEONG-YEOL
IPC: G06F3/033
Filed: 1996-07-10
Abstract: Infrared pointing type wireless controller is disclosed,
including a system main body which is an objective of pointing,
having transmitting means for generating a carrier frequency
signal for emitting an infrared ray, and receiving and
controlling means for receiving a reflected carrier signal and
a reflected code signal, and calculating coordinates of a pointed
position according to a difference of intensities of received
infrared signals, for matching the pointed position to a display
screen; and, position indicating means with which pointing is
performed having re-transmitting means for passing or blocking
reflection of the carrier frequency signal transmitted from the
transmitting means for generating a required code, and
overlapping the code with carrier frequency signal and
reflecting the overlapped signal.
Patent EP-0777138-A3 (EP)
Inventor: OHBA MICHIO
IPC: G02B6/12
Filed: 1996-11-25
Abstract: The present invention provides a curved optical waveguide
with reduced loss. Particularly, it relates to a waveguide
with rectangular cross-section which has a curved portion,
wherein the relation between the width D of the waveguide at
the curved portion and the radius R of the curvature is
R/D≤500. This waveguide is provided with at least one cladding (2)
inside the core (1) of said curved portion, thereby dividing the
waveguide at the curved portion in a plurality of narrow
optical waveguides (1A,1B). This enables a large reduction of the loss
even in curved optical waveguides with sharp curves, and
realizes inexpensive optical waveguides. 
     The method for manufacturing an optical waveguide comprises the
following steps: 
   irradiating a light-transmissive polymer film which
contains light reactive monomer via a mask which has an optical
waveguide pattern with at least one cladding inside the core formed
thereon, and thereby reactivating the light reactive monomer of the
exposed portion; and 
   drying and removing the non-reactant monomer of the
non-exposed portions at said irradiation.