Patents Assigned to ITT
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Patent number: 4942376Abstract: The present invention constitutes a microwave circuit structure such as a phase shifter which has a dielectric cylindrical support structure with a ground plane on the inside and a microwave circuit mounted on the outside. A cylindrical shield is mounted coaxially around the circuit, spaced therefrom by a second dielectric.Two embodiments are shown in microstrip and stripline.Type: GrantFiled: February 17, 1989Date of Patent: July 17, 1990Assignee: ITT CorporationInventor: William G. Sterns
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Patent number: 4939684Abstract: An arithmetic logic unit (ALU) of a digital processor includes a multiplier to which a first data word A and a second data word B are fed as input data from a data memory. A third data word C, also coming from the data memory, is fed through a barrel shifter, whose shift number is q. The output of the barrel shifter is fed to one input of an adder having its other input connected to the output of the multiplier. The output of the adder provides a fourth data word D, which is written into the data memory. All movements of data necessary to form the fourth data word D are defined of a single program instruction.Type: GrantFiled: May 12, 1989Date of Patent: July 3, 1990Assignee: Deutsche ITT Industries GmbHInventors: Wilfried Gehrig, Werner Reich
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Patent number: 4937582Abstract: Polarization adaptive active aperture system includes a receive polarimeter: (a) for determining the polarization parameters of a free space incoming RF signal and (b) for sampling and determining the polarization parameters of a transmitted RF signal which is generated by a transmit polarimeter. The polarization parameters determined by the receiving polarimeter as a result of sampling the signal generated by the transmit polarimeter are used to adaptively alter the output generated by the transmit polarimeter until that output has polarization parameters which match the polarization parameters of the free space incoming RF signal.Type: GrantFiled: July 19, 1989Date of Patent: June 26, 1990Assignee: ITT CorporationInventor: Wolodymyr Mohuchy
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Patent number: 4934946Abstract: A connection assembly in which the ends of two flat cables overlap each other with bared conductive layers thereon held in resilient engagement with each other by a connector. At least one of the flat cables is capable of being withdrawn laterally from the connector. Offset polarizing pins in the connector extend through different length slots in the movable flat cable. The slots open at the end of the cable so that when the cable is withdrawn from the connector, the cable will not be torn, or resist withdrawal of the cable from the connector. A conductive shielding bead is formed on the opposed surfaces of the two halves of the connector around the contacting regions of the cables. An insulative flap is formed over the bared conductive layers on the movable cable which prevents such layers from engaging the shielding bead when the cable is withdrawn from the connector.Type: GrantFiled: May 22, 1989Date of Patent: June 19, 1990Assignee: ITT CorporationInventor: Michael D. Ordway
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Patent number: 4935847Abstract: A system is provided wherein a circuit module moves along an insertion path into a rack, and jackscrews are used to advance the module and mate multiple contacts on it and on the rack, which provides secure installation in a minimum of space. A jackscrew (46, FIG. 3) is rotatably mounted at the rear of a long module, and is coupled through a long torque member (60) to a drive member at the front of the module. The jackscrew member has a shoulder (106) that engages a shoulder (80) at the rear of the module, so insulation forces are applied to the rear of the module. The jackscrew member threadably connects to an internally-threaded jacksocket (52) on the rack which has an external precision guide surface (100) concentric with its internal threading. The module has a precision internal guide surface (94) that mates with the external guide surface on the rack before the jackscrews engage.Type: GrantFiled: June 23, 1989Date of Patent: June 19, 1990Assignee: ITT CorporationInventor: David E. Welsh
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Patent number: 4935619Abstract: Wireless remote-control system with motion-dependent controls for electronic apparatus and, in particular, for entertainment-electronics apparatus, has a remote-control transmitter, a remote-control receiver contained in the electronic apparatus, at least one radiation source contained in the remote-control transmitter or the electronic apparatus, at least two radiation detectors contained in the electronic apparatus or the remote-control transmitter, and means associated with the radiation detectors for deriving electric signals from the motion of the remote-control transmitter and the remote-control receiver or the electronic apparatus relative to each other.Type: GrantFiled: April 14, 1989Date of Patent: June 19, 1990Assignee: Deutsche ITT Industries GmbHInventor: Klaus Heberle
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Patent number: 4935741Abstract: In digital-to-analog converters with "rotating" current sources for converting an n-bit binary signal to an analog output signal, a single cyclic shift register is replaced by m cyclic shift register portions each having p=(2.sup.n -1)/m inputs, and the n-digit binary signal to be converted is changed into the thermometer code by means of a code converter. The middle output of the code converter and equal numbers of code converter outputs on both sides thereof are connected to one of the shift register portions. According to the same rule, the code converter outputs located further from the middle are connected to the other shift register portions. Thus, a clock signal serving as a shift signal for the shift register portions only needs to have a frequency which is p times that of the sampling signal with which an, e.g., analog, audio signal is digitized.Type: GrantFiled: November 18, 1988Date of Patent: June 19, 1990Assignee: Deutsche ITT Industries GmbHInventor: Werner Reich
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Patent number: 4935706Abstract: A phase locked loop employed in a synthesizer includes a coarse tuning means to enable the VCO in the loop to be tuned within the acquisition range of the loop to thus enable the loop to fine tune the VCO to the desired output frequency. The coarse tuning means is removed from the loop when the VCO frequency is within the acquisition range.Type: GrantFiled: June 29, 1989Date of Patent: June 19, 1990Assignee: ITT CorporationInventor: Alan N. Schenberg
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Patent number: 4932893Abstract: A formed sheet metal contact is described of the type that has first and second terminations at its opposite ends, with the second termination being a socket termination for engaging a pin, which saves on material and tooling in manufacture and which enables the termination ends to lie closer together. The contact is formed of an elongated strip with its first and second ends forming first and second terminations (14, 16 in FIG. 2), with first and second middle parts and a bend (40) of about 45.degree. between them, and with the second end of the strip bent about 360.degree. about a pin-receiving axis (44) to form a socket.Type: GrantFiled: August 25, 1989Date of Patent: June 12, 1990Assignee: ITT CorporationInventor: Edward Rudoy
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Patent number: 4932898Abstract: A right-angle termination for a coaxial conductor is described, which has an access aperture that provides good access for soldering the inner conductor of the termination device to the inner conductor of a coaxial cable, and which enables rapid and easy closure of the access aperture. A sleeve is slideably mounted about the outer conductor of the termination device, to slide between an open position away from the access aperture, and a closed position over the access aperture.Type: GrantFiled: February 7, 1989Date of Patent: June 12, 1990Assignee: ITT CorporationInventors: David S. Goodman, Herve G. Bricaud, Henry S. Heath
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Patent number: 4933641Abstract: A logarithmic I.F. amplifier having a common input terminal for receiving input signals with the method of construction including a pair of channels connected in a parallel configuration, the first channel being non-attenuated for receiving an input signal at full signal strength while the second channel is attenuated for substantially reducing the power level of the input signal, the construction resulting in saturation of a plurality of successive amplifying stages of the non-attenuated channel with increasing input signal strength prior to the delayed saturation of a plurality of duplicate amplifying stages of the attenuated channel, the attenuated channel continuing to provide compressed output signal data after the saturation of the amplifying stages of the non-attenuated channel, the sum of the output signal data from the pair of channels being effected on a summation line for providing an extended dynamic range of the logarithmic I.F. amplifier.Type: GrantFiled: December 22, 1988Date of Patent: June 12, 1990Assignee: ITT CorporationInventors: James M. Hsiung, John J. Kotrba, Duveen J. Rivera
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Patent number: 4933522Abstract: A contact element is provided, of the type having a domed middle portion that can be manually deflected against a terminal to close an electrical circuit, which avoids damage to the circuit and which can be easily held in place. The contact element has a domed middle portion with a convex front face, a peripheral portion, and a bend between the middle and peripheral portions. The contact element is laid against a printed circuit board, with the bend contacting a first terminal on the board and the middle portion being deflectable to contact a second terminal on the board. An insulative actuator has a button portion that can be pressed against the middle of the contact element, an outer capture portion which captures the outer edge of the contact element, and a hinge connecting the button and capture portions. The outer edge of the contact element lies away from the circuit board so burrs thereon cannot damage the circuit board, and so that the periphery of the contact element can be easily captured.Type: GrantFiled: March 7, 1989Date of Patent: June 12, 1990Assignee: ITT CorporationInventor: Ronald C. Celander
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Patent number: 4933973Abstract: To improve the recognition of incoming speech signals in noise, the prestored templates of noise-free speech are modified to have the estimated spectral values of noise and the same signal-to-noise ratio as the incoming signal.Type: GrantFiled: August 16, 1989Date of Patent: June 12, 1990Assignee: ITT CorporationInventor: Jack E. Porter
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Patent number: 4931605Abstract: A multi-pole switch is provided which has a large air gap between contacts in the open state, and which requires medium to high actuating forces while providing tactile feedback to indicate that full actuation has occurred. The switch includes a pair of sheet metal shorting contacts (22, 24, FIG. 2) each extending in a largely rectangular loop, with one long side (26) and the opposite short sides (30, 32) forming a clamped outer region (34), and with the other long side forming a beam (28) that can be deflected down towards a pair of fixed switch contacts (50, 52). The outer region (34) is deflected so the beam (28) is upwardly bowed. The beam includes a main beam portion (36) and fingers (46, 48) extending from it, the fingers being deflected against the switch contacts when the main beam portion is deflected. Bowing can be facilitated by a third switch contact (70) lying under the other long side (26) of the shorting contact. An actuator (12, FIG.Type: GrantFiled: August 7, 1989Date of Patent: June 5, 1990Assignee: ITT CorporationInventor: Jon P. Zoller
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Patent number: 4930057Abstract: Apparatus is described for a searchlight in which a lamp is mounted in a housing for both vertical and horizontal movement. Vertical drive means which is mounted in the housing includes a gear having a tooth portion and a ramp portion to permit up and down movement of said lamp. The housing has an integrally formed ring gear with a tooth portion less than 360 degrees and a ramp portion. A horizontal drive means engages the ring gear and drives the lamp in a horizontal plane less than 360 degrees.Type: GrantFiled: May 15, 1989Date of Patent: May 29, 1990Assignee: ITT CorporationInventor: Jack L. Williams
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Patent number: 4930041Abstract: A potentiometer position switch circuit which includes a meter mechanism having a low friction potentiometer coupled to move therewith. The output of the low friction potentiometer is coupled together with the output of a set point potentiometer across the input terminals of a comparator. A magnetic latching double pole, double throw relay having set and reset relay coils is connected to the output of the comparator through the gate of a first voltage operated transistor and through sufficient resistance to minimize current drain and also through an invertor to the gate of a second voltage operated transistor and through a second resistor of sufficient resistance to minimize current drain. The output of the first voltage operated transistor is connected from a second voltage source through the set relay coil to ground and the output of the second voltage operated transistor is connected from a voltage source through said reset relay coil to ground.Type: GrantFiled: December 8, 1988Date of Patent: May 29, 1990Assignee: ITT CorporationInventors: Peter P. Elderton, Richard P. Granada, Royal E. Howes
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Patent number: 4929197Abstract: A connector is provided which enables close spacing of socket contacts in a highly reliable manner. The connector includes contact assemblies that each have at least two sheet metal contacts (26, 28 in FIG. 2) lying in parallel planes and a dielectric support (54) molded to the rearward portions of the contacts and to wire conductors (50, 52) connected thereto. The dielectic support includes a spacer portion (56) with a pair of arms (60, 62) separating the forward or mating ends of the socket contacts. The spacer arms are initially molded so they diverge from living hinges (66, 68) connecting them to the rearward portion of the support, the arms being pivotal together and having latches that hold them together at positions between the contacts. One of the arms includes a projection or retainer (106) that holds the contact assembly in a connector frame.Type: GrantFiled: May 30, 1989Date of Patent: May 29, 1990Assignee: ITT CorporationInventor: Robert E. Finney
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Patent number: 4927372Abstract: A connector for a printed circuit board (9) comprises a housing (1) containing contacts (5,6,7). The housing is fixed to the board by the engagement of splined pins (4) at either end, in corresponding holes 11 in the board. As the connector is pressed down onto the board, the contacts engage contact surfaces (10) on the latter and are pushed back into the housing. A layer (8) of frictional material, through which the contacts pass retains them in their adjusted position during subsequent handling and soldering. The contacts can have lower ends of different profiles of which three are shown.Type: GrantFiled: February 21, 1989Date of Patent: May 22, 1990Assignee: ITT Industries LimitedInventor: John C. Collier
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Patent number: 4926140Abstract: A phase detector for a phase locked loop (PLL) to be employed in a wideband synthesizer generates a ramp waveform at an output. The ramp waveform has a positive slope during the reference signal; when a sample pulse is received by the circuitry, the slope of the ramp is changed to a negative slope. Hence, the output of the detector will be negative or positive depending upon the difference in phase between the reference and sample frequencies. The ramp voltage is sampled and held by a suitable circuit which provides an error signal for controlling a VCO.Type: GrantFiled: July 19, 1989Date of Patent: May 15, 1990Assignee: ITT CorporationInventor: Alan N. Schenberg
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Patent number: 4926443Abstract: A correction circuit for a digital signal pair having an in-phase signal and a quadrature signal includes a value determining stage and an error-detecting stage. The value-determining stage determines a maximum value and a minimum value for the in-phase signal, a maximum value and a minimum value for the quadrature signal, and two held values for the quadrature signal that correspond to the maximum and minimum values of the in-phase signal. These signals are used in the error-detecting stage to derive an in-phase offset error signal, a quadrature offset error signal, a phase-error signal, and an amplitude-error signal from which an in-phase-offset-correcting signal, a quadrature-offset-correcting signal, a quadrature phase-correcting signal, and quadrature amplitude-correcting signal are formed by associated controllers.Type: GrantFiled: May 4, 1989Date of Patent: May 15, 1990Assignee: Deutsche ITT Industries GmbHInventor: Werner Reich