Patents Represented by Law Firm Meltzer, Lippe, Goldstein, Wolf, Schlissel & Sazer
  • Patent number: 5513062
    Abstract: A simplified and economical power supply for redundant computer systems of control systems is disclosed. These control systems may include burner control for furnaces. The safety and reliability of the system are increased. The power supply comprises one single common voltage supply in the form of a self-monitoring power pack unit SN having a power pack NT, an undervoltage monitor UW and an overvoltage monitor. The self-monitoring power pack unit communicates with the redundant computer units P1, P2 via a supply line 1e. This single self-monitoring power pack unit is used according to the invention instead of the known fully parallel two-channel operation with two computer units and two power packs with appertaining components and supply lines. The overvoltage monitor UW and the undervoltage monitor UW are preferably checked for operability through the periodic transmission of a test signal.
    Type: Grant
    Filed: February 25, 1994
    Date of Patent: April 30, 1996
    Assignee: Landis & Gyr Business Support AG
    Inventors: Jurgen Paul, Anton Pallek
  • Patent number: 5458704
    Abstract: The invention relates to a process for the production of very hard armour plates from steel slabs, wherein the slabs are hot rolled to a final thickness above 50 mm and then hardened and possibly tempered. The characterizing feature of the invention is that a continuously cast slab is produced from a steel having0.25 to 0.32% C0.05 to 0 75% Si0.10 to 1.50% Mn0.90 to 2.00% Cr0.10 to 0.70% Mo1 20 to 4 50% Ni0.01 to 0.08% Almax 0.015% Pmax 0.005% Smax 0.012% Nresidue Fe, including usual impurities,the slab then being heated to a temperature of 1150.degree. C. or higher and heated through, whereafter following cooling in air and by the spraying of its two wide sides with pressurized water, the slab is hot rolled with a surface temperature in the range of 1050.degree. to 900.degree. C. in shaping passes having an individual deformation of .epsilon..sub.h >0.1 and with a shape factor SF>0.40 to the final thickness.
    Type: Grant
    Filed: November 12, 1993
    Date of Patent: October 17, 1995
    Assignee: Thyssen Stahl AG
    Inventors: Jochen Bobbert, Rudolf Kawalla, Hans Pircher, Gerd Sussek, Gunter Weihrauch
  • Patent number: 5436836
    Abstract: An electronic regulating system for regulating the supply of pressure medium to each brake cylinder of a vehicle having a plurality of wheels thereby preventing spinning of the wheels upon starting and locking of the wheels upon braking, comprises wheel speed sensors which detect the rotation of the wheels and which produce signals indicative of the individual rotational speeds of the wheels, and an electronic control unit which monitors the individual rotational speeds of the wheels and which controls the supply of the pressure medium to the brake cylinders based on the individual rotational speeds. The electronic control unit includes a speed signal processor which receives the signals produced by the wheel speed sensors and which determines the individual rotational speeds of the wheels and a vehicle reference speed therefrom.
    Type: Grant
    Filed: April 22, 1992
    Date of Patent: July 25, 1995
    Assignee: W A B C O Standard GmbH
    Inventors: Hans Holtz, Helmut Pannbacker, Erwin Petersen, Gerald Stanusch
  • Patent number: 5435081
    Abstract: A ballast plow (1) comprises a machine frame (6) supported on on-track undercarriages (2), with which is associated a center plow (5) which is vertically adjustable by means of drives and on each longitudinal side of the machine a vertically adjustable shoulder plow (8) having a plow blade (20) which may be brought into contact with ballast. The shoulder plow is provided with an articulation point (13) and a telescopically extendable carrier frame (12) extending perpendicularly to the longitudinal direction of the machine. The articulation point (13) is situated in each case--viewed in the transverse direction of the machine--on the longitudinal side of the machine which is further away from the associated plow blade (20) of the shoulder plow (8). The plow blade (20) is mounted for pivoting about an axis (21) extending in the longitudinal direction of the machine and is connected to a shoulder angle adjustment drive (15).
    Type: Grant
    Filed: May 18, 1993
    Date of Patent: July 25, 1995
    Assignee: Franz Plasser Bahnbaumaschinen-Industriegesellschaft
    Inventor: Felber Hannes
  • Patent number: 5432833
    Abstract: An automatic exposure control system which regulates the power supplied to an x-ray source of a tomographic apparatus is disclosed. The system includes an x-ray source movably opposing an ionization chamber with a sweeping mechanism and a control for controlling the mechanism. A microprocessor which receives an input reference voltage and combines the voltage with a signal generated by the control to thereby produce a reference signal. This reference signal is then compared with a signal detected by the ionization chamber to determine an output error signal. Power supplied to the x-ray source is then adjusted based on this error signal.
    Type: Grant
    Filed: May 19, 1994
    Date of Patent: July 11, 1995
    Assignee: Bennett X-Ray Technologies
    Inventor: Robert P. Coe
  • Patent number: 5431443
    Abstract: A supporting device for a rescue vehicle comprises two legs each of which has a footing plate (16) located near a lateral vehicle edge of the vehicle. The legs are capable of being swivelled from a transportation position to a supporting position. In order to create a light-weight supporting device which is nevertheless very effective in both the vertical and horizontal directions of towing, and easily retractable and accessible, the footing plates (16) are connected to the legs (13) so as to be capable of swivelling around a horizontal axis (30) and a vertical axis (31). Both footing plates (16) can be connected to each other to form a supporting shield.
    Type: Grant
    Filed: August 2, 1994
    Date of Patent: July 11, 1995
    Assignee: Steyr-Daimler-Puch AG
    Inventor: Gerhard Skoff
  • Patent number: 5429690
    Abstract: The Application relates to a precipitation hardening alloy which has a 0.2% proof stress of at least 500 N/mm.sup.2 and a high resistance to corrosion in highly aggressive sour gas media. The alloy consists of 43 to 51% nickel, 19 to 24% chromium, 4.5 to 7.5% molybdenum, 0.4 to 2.5% copper, 0.3 to 1.8% aluminium and 0.9 to 2.2% titanium, residue iron. Heat treatment processes are described which allow the establishment in the alloy of high strength accompanied by satisfactory ductility.
    Type: Grant
    Filed: June 9, 1992
    Date of Patent: July 4, 1995
    Inventors: Ulrich Heubner, Michael Kohler, Greg Chitwood, Jon Bryant
  • Patent number: 5430452
    Abstract: Disclosed is a device for supply to the radiating elements of an array antenna with electronic scanning, notably applicable to an MLS type landing system. The disclosed antenna has as many (n) phase-shifters as it has radiating elements each of the phase-shifters being connected to a plurality (m) of neighboring radiating elements forming a sub-array. The sub-arrays are interleaved so that each of the radiating elements is supplied by means of m phase-shifters. As a result, an array antenna with very small minor lobes is obtained.
    Type: Grant
    Filed: November 8, 1993
    Date of Patent: July 4, 1995
    Assignee: Thomson-CSF
    Inventor: Serge DuBois, deceased
  • Patent number: 5429868
    Abstract: A yarn, especially a sewing yarn, comprises at least two multifile yarn components. The first yarn component forms mainly the core of the yarn and the second yarn component forms mainly the jacket of the yarn. The two yarn components are intermingled with one another. The monofilaments of the second yarn component have a specific strength which amounts to between 5% and 70%, especially between 10% and 50%, of the specific strength of the monofilaments of the first yarn component.
    Type: Grant
    Filed: April 18, 1994
    Date of Patent: July 4, 1995
    Assignee: Amann & Sohne GmbH & Co.
    Inventors: Kurt Truckenmuller, Karl Greifeneder
  • Patent number: 5422657
    Abstract: A display memory architecture which efficiently stores and processes true color and index mode pixels is disclosed. The R, G and B components of true color mode pixels occupy different groups of bit planes in different banks of a frame memory. In addition, consecutive index mode pixels are located in not necessarily consecutive different groups of bit planes in consecutive banks so that a plurality of index mode pixels can be accessed simultaneously in reading and writing operations. Pixel swap circuits are used to swap the order of the R, G and B components of true color pixels and the order of simultaneously accessed index mode pixels, when the order of the accessed locations is different from the order in which R, G and B components of true color pixels or a plurality of index mode pixels are processed by a graphics processor.
    Type: Grant
    Filed: September 13, 1993
    Date of Patent: June 6, 1995
    Assignee: Industrial Technology Research Institute
    Inventors: Shu-Wei Wang, Wei K. Chia, Chun-Kai Huang, Chun-Chieh Hsiao
  • Patent number: 5419621
    Abstract: A braking system comprises at least one brake, a brake value demand mechanism which emits an operator signal when actuated by an operator, and an energy dimensioning device which supplies braking energy to the brake to actuate it, thereby producing a braking value at the brake. The braking system also includes a control unit which receives the operator signal from the brake value demand mechanism and emits a braking value signal based thereon. The energy dimensioning device receives the braking value signal and supplies to the brake the braking energy needed to produce the desired braking value at the brake. In order to eliminate hysteresis in the braking system, the control unit supplies to the energy dimensioning device a braking value signal taken from a first characteristic line of braking value as a function of braking value signal when the brake is actuated.
    Type: Grant
    Filed: December 15, 1993
    Date of Patent: May 30, 1995
    Assignee: WABCO Standard GmbH
    Inventor: Eckert Horst
  • Patent number: 5416300
    Abstract: An automatic furnace comprises an actuator for an electric igniter. The electric igniter has a distinctly lower standard voltage, e.g., 120 V, than the network voltage, e.g., 230 V and is operated by the network voltage. The network voltage is fed into the power regulator before the igniter. The power regulator clocks the network voltage with an adjustable keying ratio, so that only part of the full wave trains of the network voltage becomes active at the electric igniter. In an advantageous embodiment, the keying ratio is variegated by the actual level of the network voltage.
    Type: Grant
    Filed: February 25, 1994
    Date of Patent: May 16, 1995
    Assignee: Landis & Gyr Business Support AG
    Inventors: Erich Hickl, Jurgen Hoffmann, Josef Lelle
  • Patent number: 5416786
    Abstract: An error correction circuit for detecting and correcting errors in a received BCH codeword comprises first and second syndrome generators for generating patterns of binary signals representative of first and second syndromes of the received BCH codeword. An error detector circuit utilizes the generated syndromes to determine whether the received codeword has no multi-bit errors. Single bit errors are corrected while multibit errors are only indicated. The single bit error is corrected by successively generating patterns of binary signals representative of the powers a.sup.k of a primitive number a where k=p-1, p-2, . . . 2, 1, 0 and where p is the number of bits in the received codeword. When the binary pattern representative of the first syndrome is identical to the binary pattern representative of a.sup.k for a particular value of k, the particular value k indicates the location of the single bit error in the received codeword.
    Type: Grant
    Filed: February 4, 1992
    Date of Patent: May 16, 1995
    Assignee: Industrial Technology Research Institute
    Inventors: Yu-Saint Lin, Yih-Shing Kang
  • Patent number: 5416401
    Abstract: A dual voltage supply circuit for vehicles is disclosed, in particular for vehicles with a dual circuit electrical braking system. The circuit contains a starter battery and an auxiliary battery, each supplying an electrical braking circuit. The two batteries are charged from a three phase generator which has power diodes and excitation diodes. The auxiliary battery is charged via an electrical path from the excitation diodes. A monitoring module, which includes a charge monitoring system and a time delay, is connected in series between the excitation diodes and the auxiliary battery.
    Type: Grant
    Filed: February 14, 1994
    Date of Patent: May 16, 1995
    Assignee: WABCO Standard GmbH
    Inventor: Detlev Neuhaus
  • Patent number: 5414631
    Abstract: A device for avoiding aircraft collisions with the ground determines the geographical location of the aircraft, and has a data base containing a description of safety altitudes for the geographical location. From the geographical location and the description of safety altitudes, the collision-avoidance device computes an air floor about the vertical of the aircraft. The altitude of the floor is greater than or equal to the safety altitudes about this vertical. In addition, the collision-avoidance device predicts the air position of the aircraft and compares this situation with the air floor. An alarm sounds when the aircraft passes beneath the floor.
    Type: Grant
    Filed: November 8, 1993
    Date of Patent: May 9, 1995
    Assignee: Sextant Avionique
    Inventors: Xavier Denoize, Francois Faivre
  • Patent number: 5410044
    Abstract: A process for the manufacture of 7-acylamino-3-hydroxycephem-4-carboxylate-1-oxide in E-rotamer form (Formula III), comprises reacting a 7-acylamino-3-exomethylenecepham-4-carboxylate-1-oxide with ozone in an inert organic solvent in the presence of a catalytic amount of an organic or inorganic base at a temperature ranging from about -80.degree. C. to about +20.degree. C. The E-rotamer (wherein the 3-hydroxy group is strongly hydrogen bonded to the carbonyl of the 4-ester group) exhibits different chemical and physical properties from and is more thermodynamically stable than, the Z-rotamer (wherein there is no hydrogen bonding between the 3-hydroxy group and the carbonyl of the 4-ester group).
    Type: Grant
    Filed: February 18, 1993
    Date of Patent: April 25, 1995
    Assignee: Ranbaxy Laboratories, Ltd.
    Inventors: Jag M. Khanna, Yatendra Kumar, Arun Malhotra, Rakesh Arora, Neera Tiwari
  • Patent number: 5404469
    Abstract: A static interleaving technique solves the problem of resource contention in a very long instruction word multi-threaded microprocessor architecture. In the static interleaving technique, each function unit in the processor is allocated for the execution of an instruction from a particular thread in a fixed predetermined time slot in a repeating pattern of predetermined time slots. The fixed predetermined pattern of time slots represents the resource constraints imposed on the hardware to resolve the contention for computing resources among the instruction threads. The strategy of resource allocation is exposed to a parallel compiler which organizes a sequence of instructions into the horizontal instruction words which form each thread so as to maintain the data dependencies among the instructions and to take into account the fixed predetermined allocation of hardware resources.
    Type: Grant
    Filed: February 25, 1992
    Date of Patent: April 4, 1995
    Assignee: Industrial Technology Research Institute
    Inventors: Jin-Chin Chung, Chuan-Lin Wu
  • Patent number: 5404262
    Abstract: A counter electromotive force due to electromagnetic induction is generated on interruption of a current if an actuator 10 is in a normal state. An output signal generated by the counter electromotive force and a pulse signal which is generated from the fall of an input signal applied to the electronic switch are applied to an AND logical circuit 90 to determine whether or not the actuator is defective.
    Type: Grant
    Filed: December 4, 1992
    Date of Patent: April 4, 1995
    Assignee: Nihon Inter Electronics Corporation
    Inventors: Takashi Enomoto, Takashi Kunimi
  • Patent number: 5404379
    Abstract: An apparatus and method for receiving a continuous time pulse amplitude-modulated passband signal is disclosed. The pulse amplitude modulated signal is periodically sampled by a local clock to generate received samples. A convolution of the received samples and an impulse response function is evaluated at a particular value of a phase difference variable to derive corrected samples. Using a narrow transmission band filter, a periodic signal is derived from the corrected samples. The periodic signal has a period equal to a symbol period of the pulse-amplitude modulated signal. Successive samples in each period of the periodic signal are compared to determine if the corrected samples lag or are ahead of optimal samples. If the corrected samples lag or are ahead of the optimal samples, the phase difference variable used to evaluate the convolution is varied by a fixed discrete stepsize.
    Type: Grant
    Filed: June 5, 1992
    Date of Patent: April 4, 1995
    Assignee: Industrial Technology Research Institute
    Inventors: Sammy Shyue, Ching-Hsiang Lin, Ji-Shang Yu, Yen-Chun Lin
  • Patent number: 5396498
    Abstract: The instant invention relates to complex integrated circuits incorporating circuits for internal testing. The test controller has:a finite-state machine or status register (RE1 to RE4), the parallel outputs of which are looped back to the parallel inputs via a logic (LCB) which is also able to receive external control signals (TMS, TCK, TRST);multiplexers (MU1 to MU4) associated with the cells of the status register to allow for operation of the status register either in series or parallel;and a control signal generating stage (GSC) connected to the output of the register to supply control signals for other elements of the test: circuitry depending on the state defined by the status register.According to the instant invention, it is proposed that the multiplexers be provided with additional inputs making it possible to store the state of at least certain control signals in these cells for the purpose of transmitting them later for observation.
    Type: Grant
    Filed: December 6, 1991
    Date of Patent: March 7, 1995
    Assignee: Thomson CSF
    Inventors: Patrick Lestrat, Regis Leveugle