baber/WOPTO huggingface dataset:
Patent EP-0332131-A3 (EP)
Title: dentin thickness monitor
IPC: A61B5/053
Filed: 1989-03-07
Abstract: A method and apparatus for measuring the thickness of the dentin 
layer 8 of a tooth 4 in a patient, at a region where the dentin 8 
is exposed, during a dental treatment, is characterized by the 
steps of: establishing an electric voltage between the dentin 8 
at the region where it is exposed and a region of the patient's 
body spaced from the tooth 4 to create an electric current flow 
through body tissue 12 between those regions; monitoring the 
current flow to produce an indication of the electrical impedance 
between those regions; and converting the electrical impedance 
indication into an indication of the thickness of the dentin 
layer 8.
Patent EP-0341683-A3 (EP)
Title: Headrest for motor vehicle seats
IPC: B60N2/90
Filed: 1989-05-09
Abstract: A headrest (10) for motor vehicle seats is provided with a padded body (P), having a padding carrier (11) contained therein, having padding surrounding the padding carrier (11) and having a padding cover (B), as well as having an insertion slit (17) which is made in the padded body (P), runs around the latter in an approximately equator-like manner and is open approximately radially outwards. Within the insertion slit (17), for connecting two cover edges (18) surrounding the padding annularly, there are edge strips (19) mounted fixedly on said cover edges. In this way, the insertion slit (17) is formed laterally by two walls or wall parts (15, 16) arranged approximately at a parallel distance from one another and with their free edges (22) pointing approximately radially outwards. The regions (15, 16) (e.g. walls or the wall parts) bordering the insertion slit (17) are direct components of the padding carrier (11) made of the same material, to which components counter bearings (20) connected to the padding carrier (11) using the same material are assigned, which counter bearings receive the transverse forces induced by the edge strips (19) in the direction of the slit width (s). A headrest (10) has been provided which is easy to manufacture and assemble and in which a gap in the assembly joint (17) between the cover edges (18) is avoided. <IMAGE>
Patent EP-0363920-A3 (EP)
Title: Shape memory transparent body and method of using same
IPC: C08G18/10
Filed: 1989-10-11
Abstract: A shape memory transparent body formed from a shape 
memory transparent polymer having a glass transition point 
higher than the temperature at which the transparent body 
is used, said transparent body remembering a basic shape, 
taking on a second shape upon heating to a temperature 
higher than the glass transition point and subsequent 
cooling to a temperature lower than the glass transition 
point, with the transparent body kept deformed by an 
external force for the setting of the deformed shape, and 
restoring the basic shape upon heating to a temperature 
higher than the glass transition point; and a method of 
using the shape memory transparent body.
Patent EP-0403694-A3 (EP)
Title: Continuous crusher
IPC: B02C4/30
Filed: 1989-11-11
Abstract: In a continuous crusher in which an impact crushing roller, which circulates in the conveying direction, rotates at high speed over a conveying channel section constructed as a crusher counter-bearing, which impact crushing roller has, on a shaft mounted on both sides, a roller connected fixed in terms of rotation at its ends to the shaft, said roller being formed from alternate circular plates and congruent discs which are connected to one another, cover the same area and are equipped with holders for impact crushing tools and are arranged in such a way that adjacent discs are arranged offset with respect to one another by half the arc of the distance between their crushing tools, it is provided according to the invention that the discs have a polygonal edge on which a multiplicity of impact crushing tools are arranged in a star shape and a side of a polygon is assigned in each case to an impact crushing tool, the holders being attached on the sides of the polygon, and that the edges of the plates are arranged between the discs outside the polygon circumscribed by the polygon branches. <IMAGE>
Patent EP-0380785-A3 (EP)
Title: Programming unit for a truth value processing system
IPC: G06N7/02
Filed: 1989-12-06
Abstract: A programming unit according to the invention is 
equipped with a truth value display device (147) which 
includes a plurality of length display sections (151) of 
a number equal to the number of types of a plurality of 
functions used by consequents of implications in modus 
ponens-type inferences, and a display circuit for 
performing control in such a manner that a given truth 
value is displayed by length on a corresponding length 
display section. By virtue of this truth value display 
device, inferential circumstances for each implication 
can be observed and it is possible to grasp the 
suitability of each implication rule and judge whether 
the rule is suitable or not.
Patent EP-0333306-A3 (EP)
Title: Integrated and programmable processor for word-wise digital signal processing
Inventor: WIJK FRANCISCUS JOHANNES A VAN
IPC: G06F7/575
Filed: 1984-12-11
Abstract: A single-chip integrated circuit digital signal processor 
comprises: a bus, a calculation means, a data RAM, a program memory that 
is addressed by the bus and an external I/O provision. There is provided 
a pipeline control means. In a two-layer pipelining memory access and 
data transport/processing are spread over two successive machine cycles, 
thus allowing two simultaneous functions. In a three-layer pipelining, 
memory address calculation and memory access each take one cycle, 
whereas data transport/processing take two machine cycles, thus allowing 
three simultaneous functions.
Patent EP-0327260-A3 (EP)
Title: Automatic developing machine for disk film
IPC: G03D13/00
Filed: 1989-01-26
Abstract: An automatic developing machine for a disk film (11) 
comprises, a passage for a cartridge or the disk film, a 
sensor to detect whether the cartridge or the disk film 
exists in a portion of the passage (23) or not, and means for 
controlling operation of the machine according to a signal 
sent from the sensor (40). The automatic developing machine 
mentioned above further comprises a cartridge opener (22), and 
the sensor (42) detects whether the disk film has been taken out 
from the cartridge by the cartridge opener or not.
Patent EP-0333493-A3 (EP)
Title: Triangulation system
IPC: G01S17/46
Filed: 1989-03-17
Abstract: Multiple light detection channels (19-1 to 19-4, 
21-1 to 21-4) are introduced into a flying spot optical 
triangulation ranging system to increase the speed of 
acquiring range values. A laser beam (L) is rapidly 
swept across a surface (11) by a beam deflector (16). 
Each fiber optic channel can receive light only from a 
different point (24-1 to 24-4) along a line at the 
intersection of the swept beam with the surface. The 
receiver channels are duplicated and separate detectors 
(21-1 to 21-4) generate signal pulses at times that are a 
function of range to the surface. These are processed in 
parallel to calculated N range values per beam sweep, 
where N is the number of channels.
Patent EP-0356182-A3 (EP)
Title: Coil assembly especially for magnetic resonance apparatus
IPC: G01R33/385
Filed: 1989-08-21
Abstract: A surface gradient assembly for high-speed, 
high-resolution NMR imaging has at least one substantially 
planar gradient coil (20X, 20Y, 20Z). Each of the planar 
coils is disposed substantially parallel to any other 
planar coil of the assembly, and in a chosen plane (XZ) of 
two selected Cartesian coordinates. Thus, one or more, 
planar coils lying in, say, the XZ plane can provide a 
magnetic gradient field in 1, 2 or all 3 of the X, Y 
and/or Z directions. Each coil is formed of 1 (Fig.1a), 
2 (Fig 1b), 4 (Fig.1c) or more windings, each of which is 
a "fingerprint" coil of configuration established by 
currentflow stream functions. An RF shield may be placed 
between the substantially planar gradient coil(s) and a RF 
antenna, to prevent interaction between the antenna and 
gradient coils, so that the quality factor (Q) of the RF 
antenna is not appreciable lowered.
Patent EP-0361953-A3 (EP)
Title: Magnetrons
IPC: H05B6/64
Filed: 1989-09-28
Abstract: The performance of a magnetron may be degraded by its 
output frequency changing. This degradation may be 
reduced by fixing a resonator element 4 in the magnetron's 
output waveguide 2 enabling temperature stabilisation to 
be achieved and also permitting the output spectrum of the 
radiation to be narrowed.
Patent EP-0375119-A3 (EP)
Title: Improved method and apparatus for customer account servicing
IPC: H04M11/00
Filed: 1989-10-03
Abstract: A method and an apparatus for retrofitting and 
extending or upgrading an existing customer account 
servicing system to provide for automated handling and 
processing of both incoming and outgoing calls. A 
mainframe computer or host (16) contains customer or 
potential customer account records. A plurality of operator 
terminals (12) allow the operators to converse with the called 
or calling party and make changes to the customer account 
information via a data terminal (12a4). A system controller 
(11), trunk interface unit (10), operator terminals (12) and 
cross-point switch or PBX (13) provide a retrofit to an 
existing system, a mainframe computer (16), to provide for 
automated handling and processing of both incoming and 
outgoing calls. The system controller (11) and terminals 
(12) use the same command and data format structure as that 
already in use by the existing system and software or 
programs of mainframe (16). The system controller (11) is 
transparent to the operation of the mainframe (16) and the 
operator terminsla (12) and allows the system to be upgraded 
without the necessity of purchasing different software or 
programs for the mainframe (16). This invention is useful 
with both new and previously existing operator terminals 
(12). The system controller (11) monitors and handles both 
incoming and outgoing calls via the trunk interface units (10) 
and, when appropriate, causes the cross-point switch or PBX 
(13) to connect a selected trunk line (T) with an appropriate 
available operator terminal (12) and causes the customer 
account record to be displayed on the screen of the operator 
terminal.
Patent EP-0377328-A3 (EP)
Title: Vscf starter/generator systems
IPC: H02M5/42
Filed: 1989-12-28
Abstract: A variable speed, constant frequency starter 
generator system is provided with a dynamoelectric 
machine 10, electrically connected to a multiple-phase bus 
12 and pair of multiple-phase rectifiers 92, 94 for 
producing a DC voltage on a pair of link conductors 46, 
48. An inverter 20 converts the DC voltage to floating AC 
voltage which is further converted to a ground-referenced 
AC voltage by a transformer 28. During generator 
operation, the output voltage of the machine is rectified 
by at least one of the rectifiers to produce a DC voltage 
on the link conductors which is converted to a constant 
frequency AC voltage by the inverter. During starter 
operation, an externally supplied AC voltage is applied to 
the transformer. The transformer converts the externally 
applied AC voltage to a pair of phase-displaced AC 
voltages which are rectified by the pair of multiple phase 
rectifiers to produce twelve-pulse rectified DC voltage on 
the link conductors. This reduces the harmonic content of 
the current supplied by the external power source. In 
another embodiment, a third multiple-phase rectifier 44 
performs the function of rectifying the output voltage of 
the machine to produce the DC voltage on the link 
conductors for generator operation.
Patent EP-0384368-A3 (EP)
IPC: H04H20/55
Filed: 1990-02-20
Abstract: In einer Rundfunkempfangseinheit mit integrierter 
Verkehrsfunk-Decodierungsmöglichkeit, werden 
verschiedene abgespeicherte Senderfrequenzen 
sehr kurzfristig nacheinander auf das Vorliegen 
einer Durchsagekennung überprüft.  
Bei Vorliegen einer solchen Durchsagekennung 
wird für diese Zeit der Überprüfungsvorgang 
unterbrochen.
Patent EP-0389948-A3 (EP)
Title: Process for treatment of polyethylene terephthalate, polyethylene terephthalate for molding purposes and process for preparation thereof
IPC: C08G63/78
Filed: 1990-03-21
Abstract: The present invention is directed to a polyethylene terephthalate chip, obtainable by a process comprising liquid phase polycondensation of an esterification product, solid phase polycondensation of the product obtained and subsequently contacting the product of the solid phase polycondensation with hot water or water vapour. The polycondensation rate is small, and the content of cyclic trimers is low.
Patent EP-0393390-A3 (EP)
Title: Regeneration of polyvalent metal dicarboxylate catalyst for carbon dioxide-epoxide copolymerization
IPC: C08G64/34
Filed: 1990-03-27
Abstract: A process is provided for regenerating a 
polyvalent metal dicarboxylate catalyst used 
in copolymerizing carbon dioxide with epoxides to form poly(alkylene 
carbonates). The catalyst is a polyvalent metal dicarboxylate and the 
regeneration procedure involves contacting spent or deactivated catalyst 
with dicarboxylic acid, preferably in a slurry. 
In one aspect the copolymerization is carried out and catalyst is 
separated from the polymerization mixture, reactivated with the 
dicarboxylic acid, such as glutaric or adipic acid, and 
reused in copolymerization to form poly(alkylene carbonate).
Patent EP-0392458-A3 (EP)
Title: Improvements in gate pulse generator for static var compensator
IPC: H02J3/18
Filed: 1990-04-10
Abstract: A gate pulse generator for a static var compensator 
(SVC) constituted by a thyristor switched capacitor 
(TSC) comprises voltage detectors (5u, 5x) for respec­
tively detecting forward and reverse voltages (Vu, Vx) 
applied to antiparallel-connected thyristors (3U, 3X) in 
the TSC. The antiparallel-connected thyristors (3U, 3X) 
comprise a plurality of series-connected forward thyris­
tors (3U) and a plurality of series-connected reverse 
thyristors (3X). The gate pulse generator monitors the 
forward and reverse voltages (Vu, Vx) and determines 
whether a period (2 ms) in which both the forward and 
reverse voltages (Vu, Vx) are zero continues for a pre­
determined period (2 ms) while reverse-phase sides (3X) 
of the antiparallel-connected thyristors (3U, 3X) are 
held in conduction periods (t30 - t40), respectively. 
The gate pulse generator prolongs an active period (t20 
- t31) of a forward conduction period signal (PHSu) by 
the predetermined period (2 ms). Upon switching (t30) 
from in-phase conduction to revese-phase conduction, 
even if some of the plurality of series-connected thyri­
stors (3U) are turned off, these thyristors are turned 
on again within the predetermined period (3U), and an 
overvoltage is not applied to these thyristors.
Patent EP-0401848-A3 (EP)
Title: Tape carrier and test method therefor
IPC: H01L21/66
Filed: 1990-06-08
Abstract: A tape carrier comprises contact test patterns (3₁, 
3₂) used for performing a conduction test on a tape 
base (2). More specifically, in addition to test pads 
(3) connected to outer leads used for input/output 
signals, the contact test patterns (3₁, 3₂) are formed 
on the tape base to test whether socket contactors (11) 
are in contact with the test pads (3). A conduction 
test is performed using the contact test patterns. The 
tape is repeatedly reset to the socket until a conduc­
tive state is established, thereby preventing a test 
error.
Patent EP-0405231-A3 (EP)
Title: Towbar for vehicle trailers
IPC: B60D1/52
Filed: 1990-06-13
Abstract: A towbar for vehicle trailers, in particular for central axis trailers, is formed essentially from a trailer coupling element (1) which has an eye part (1a) and a shaft (1b), and from a trailer-side towbar element (2). In order to attach the trailer coupling element (1) to the towbar element (2), the shaft (1b) of the trailer coupling element (1) and the towbar element (2) each have a flange (1c and 2a, respectively). These two flanges (1c, 2a) which face one another have shell bodies (3a) engaging around them with a view to providing a particularly stable and reliable connection, which bodies can be clamped axially and radially to the flanges (1c, 2a). In accordance with a preferred embodiment, the shell bodies (3a) are each formed in the manner of a half shell and can be clamped by screws (3b) which are arranged tangentially with respect to the flanges (1c, 2a). <IMAGE>
Patent EP-0414275-A3 (EP)
Title: Process for the preparation of cyclic aminoacid derivitives as well as the intermediate products
IPC: C07C253/30
Filed: 1990-08-24
Abstract: Processes for the preparation of cyclic amino acid derivatives useful in the treatment of cerebral diseases such as epilepsy are disclosed. Novel intermediates useful in processes are also disclosed.
Patent EP-0418818-A3 (EP)
Title: Ink-jet recording apparatus and temperature control method therefor
IPC: B41J2/05
Filed: 1990-09-18
Abstract: An ink-jet recording apparatus for discharging an ink droplet from a recording head (2) to perform recording includes a heating element array (13) for heating the recording head, a temperature sensor (8) for measuring an ambient temperature, a timer for measuring a time associated with a temperature variation of the recording head (2) during a recording operation, and a control unit for controlling an energy supplied to the heating element array (13) on the basis of the ambient temperature measured by the temperature sensor (8) and the time measured by the timer.
Patent EP-0428948-A3 (EP)
Title: Process for energy recovery in ventilation
IPC: F24F11/00
Filed: 1990-11-09
Abstract: The invention relates to a process for energy recovery from the air flow between the internal room air and the external air with fans 5, 6 which press the air through heat accumulators 3, 4 in mutually opposite flow directions, a heat accumulator 3, 4 and a fan 5, 6 working, mostly in opposite directions, in each of two mutually separated ducts 1, 2, and the directions of rotation of both fans 5, 6 changing simultaneously at regular intervals.
Patent EP-0385575-A3 (EP)
Title: Proximity sensor and method of making
IPC: G01V3/10
Filed: 1990-01-25
Abstract: A proximity sensor has a metal case (10) with a sensing 
coil (11) at one end and a coaxial cable (12) extending out the 
other end for placement in proximity to rotating 
machinery to sense imbalances by position change of, 
for example, a shaft. The sensor includes a cylinder (21) 
integrally molded with a plastic bobbin (22) which carries 
the coil (11) on its end. This unitary assembly then has 
inserted in it the coaxial cable (12) and the typically 
wire braided outer conductor (17) is soldered onto the 
cylinder (21) to provide a permanent interlock resistance 
against axial and torsional forces. A plastic 
insulating cap (41) is placed over the entire assembly 
including the sensing coil (11) and epoxied thereto. A 
sleeve (43) over the junction between the cable and 
cylinder prevents unwanted epoxy from filling the 
coaxial cable (12). Finally, this permanent affixing of 
the cap (41) allows the metal casing (10) normally having a nut 
and thread to be crimped onto a notch in the cap. 
Moisture proofing is also provided by injection of 
silicone rubber in the cavity of the bobbin.
Patent EP-0386963-A3 (EP)
Title: Preventing off-flavor in certain alitame-sweetened beverages
IPC: A23L27/30
Filed: 1990-03-02
Abstract: The flavor of beverages having a pH below 4.0 which have been artificially sweetened with alitame is stabilized by formulating the beverages with edetic acid or a food-acceptable salt thereof.
Patent EP-0397353-A3 (EP)
Title: Coin return control system for vending machines
IPC: G07D1/00
Filed: 1990-04-26
Abstract: A coin return control system for vending machines is dis­
closed which includes predetermined coin type detecting portion 
for detecting the coin type predetermined by the coin type prede­
termination switch every predetermined time. A memory memorizes 
the coin type detected by the coin type detecting portion immedi­
ately after operating a particular switch except for the coin 
type predetermination switch. A variation detecting portion 
detects the variation of the coin type predetermined by the coin 
type predetermination switch based on the coin type detected by 
the predetermined coin type detecting portion and the coin type 
memorized by the memory. An instruction portion instructs the 
coin paying-out mechanism to return a coin from the auxiliary 
change retaining tube when the number of the coin retained in 
the change retaining tube corresponding to the coin type memo­
rized by the memory is below a predetermined value. A determina­
tion portion determines whether or not the instruction portion 
should instruct the coin paying-out mechanism to return a coin 
from the auxiliary change retaining tube based on the detected 
result of the variation detecting portion. Therefore, the coin 
return control system for vending machines can always correctly 
pay out a necessary coin.
Patent EP-0396365-A3 (EP)
Title: Electrode probe
IPC: G01N27/30
Filed: 1990-04-30
Abstract: An electrode probe for employment in 
monitoring electrochemical potentials has a 
robust structure particularly suiting it for 
employment within the rigorous environment of 
the reactor core of a nuclear power facility. 
The electrode is comprised of four major 
segments: a metal cap electrode (10), an 
alumina retainer (12), an annular metal sleeve 
(14), and a positioning and signal transfer 
assembly (16). The metal cap electrode (10) 
has a tip portion and an annulus extending 
therefrom which defines a cavity having an 
interior surface (24). The alumina retainer 
(12) has a base region with a sleeve attachment 
surface, an oppositely disposed cap securing 
portion (28) nestably disposed within said cap 
electrode (10) cavity and sealing thereto. The 
retainer further has an access channel 
penetrating therethrough from the base region 
to the cap securing portion. The annular metal 
sleeve (14) is formed of metal exhibiting a 
coefficient of thermal expansion compatible 
with the alumina retainer and has an alumina 
 
 
retainer surface in sealing engagement with 
said retainer sleeve attachment surface and 
oppositely disposed outlet. An electrical 
conductor (18) is in electrical connection with 
the cap electrode and extends through the 
retainer access channel and through the annular 
metal sleeve to the sleeve outlet. Finally, 
positioning and signal transfer assembly (16) 
is associated with the sleeve outlet for 
providing support for the sleeve and for 
conveying electrical signals from the 
conductor.
Patent EP-0438043-A3 (EP)
Title: Intraocular lens with high strength haptics
IPC: A61L27/00
Filed: 1990-12-21
Abstract: An intraocular lens is integrally machined from a blank of polymethylmethacrylate (PMMA) or copolymers thereof to provide an optic having a plurality of strong and resilient haptics. The lens is made from a PMMA material that is specially processed to provide greatly increased tensile strength and flexibility. The material surface is carefully polished to minimize irregularities. It is wrapped in a protective cover and heated to a range of between 35 DEG C and 150 DEG C. It is then clamped in a machine which multi-axially stretches the heated sheet, which is held in its stretched condition as it is cooled to room temperature. Multi-axis stretching under these conditions provides highly oriented polymer chains in the material which greatly increases tensile strength, flexibility and resiliency, thereby imparting these same qualities to the lens haptics. <IMAGE>