Abstract: Microphone sub-assemblies for direct mounting on a telephone handset inner substrate comprise a tubular wall containing a microphone comprising a cylindrical can and elongated terminal pins extending from the can. The tubular wall is formed from a strip of an elastomeric material wrapped around and adhered to the microphone with the microphone terminal pins extending directly through the wall, in hermetic fit therewith, and radially from the wall. The sub-assembly is mounted in a telephone internal substrate by inserting the microphone terminal pins into a connector on the substrate. Both the sub-assembly and the substrate are firmly secured within a telephone housing with an open end of the tubular housing aligned with a sound admitting port through the telephone housing.

Abstract: A circuit embodying the invention includes two toggle flip-flops formed using Josephson junctions sharing a common inductive element. One flip-flop is responsive to "zero" input signals (IN.phi.) and the other flip-flop is responsive to "one" input signals (IN1). Each flip-flop has two outputs. The two outputs of the flip-flop responsive to IN.phi. may be identified as A.phi. and B.phi. and the two outputs of the flip-flop responsive to IN1 may be identified as A1 and B1. The inductive element is settable to either one of two states by controlling the flow of a bias current therethrough. Depending on the state of current conduction through the inductive element, an IN.phi. input signal will produce an output at either A.phi. or B.phi. and an IN1 input signal will produce an output at either A1 or B1. If, and when, the inductive element is in a first state, an IN.phi. or IN1 input will cause a corresponding output at A.phi.

Abstract: In the manufacture of an MOS gated semiconductor device, indentations are provided on a surface of a semiconductor wafer extending inwardly of respective spaced apart regions at the wafer surface having doping concentrations greater than that present in the remainder of the wafer. A layer of silicon having a doping concentration less than that of the substrate is conformally provided on the substrate surface whereby the indentations in the substrate surface are replicated on the surface of the silicon layer. Dopants in the substrate regions are then out-diffused into the silicon layer to provide highly doped buried regions within the layer. Then, using the silicon layer surface indentations as photomask alignment marks, gate electrode structures are formed on and within the silicon layer in preselected orientation relative to the buried regions. The buried regions provide low resistance paths for current through the resulting devices.

Abstract: A flat panel display assembly includes an array of micromachined incandescent lamps. According to one aspect of the invention, the array of lamps is placed on a gas filled enclosure to enable the filaments to be operated at higher temperatures with extended lifetimes. According to another aspect of the invention, each lamp (or groups of lamps) may be formed in its own gas filled pocket. In some embodiments, a diode is connected in series with each lamp filament. This arrangement enables the array to be operated such that power is applied to the row (column) at a time and to selected columns. The effective brightness of each lamp may be controlled by determining the length of time each lamp is turned-on.

Abstract: Josephson transmission structures (JTSs) which include Josephson transmission lines (JTLs) with filter circuitry and flux release circuitry. Two or more of these JTSs may be interconnected to form a superconducting high-gain operational amplifier intended for general-purpose analog signal processing is disclosed. The active elements of the amplifier are non-hysteretic Josephson junctions configured as dc SQUIDs (used as flux-to voltage transducers and impedance transformers) and Josephson transmission lines (used as the main source of power gain). The amplifier has inverting and non-inverting voltage inputs, which can be fed from any low-resistance low-voltage sources, including dc SQUIDs. The output of the amplifier is in the form of a voltage which can drive typical transmission line impedances (e.g., 10-100 ohms).

Abstract: An electromagnetic radiation (EMR) responsive detector includes an array of multi-layered cantilevers with each cantilever having at least a first layer for absorbing EMR signals and a second layer for reflecting light incident on the second layer. Each cantilever is formed so it can absorb EMR which gets converted into heat which then causes the cantilever to bend proportionately to the amount of EMR energy it absorbs. The amount of EMR absorbed by each cantilever of the array is optically read-out (sensed) by illuminating the cantilevers of the array and sensing the light reflected from each cantilever. Various schemes for projecting light onto the array and sensing the reflected light are disclosed. The optical read-out of the array eliminates the need for electronic read-out circuitry and accessing wires to be formed on the array.

Abstract: A network is connected between the drain and gate of a transistor for limiting the overshoot and controlling the waveshape of the signal produced at the drain of the transistor, when the transistor is being turned-off. The network includes a series string of zener diodes with one or more by-pass capacitors connected across one or more zener diodes for shaping the output signal produced at the drain of the transistor and for reducing electromagnetic radiation. The network also includes unidirectional conducting elements for discharging each bypass capacitor each time the transistor is turned-on. The zener diodes and the "discharging" unidirectional conducting elements of the network may be formed as integral parts of the same integrated circuit (IC). For best results, the bypass capacitors are connected across the zener diodes closest to the gate of the transistor.

Abstract: A connector assembly for telephone wires comprises an open-ended tubular receptacle telescoped within a tubular member having a closed bottom. Wires extend through a port in the tubular member, upwardly along a receptacle side and project angular inwardly and downwardly of the receptacle. A low viscosity curable sealant fluid is poured into the assembly while in tilted orientation for submerging the wires within the receptacle while not filling the receptacle (for reducing the amount of fluid required while disposing the upper surface of the sealant fluid pool below the level of the wire receiving point of the tubular member for preventing gravity escape of the sealant fluid until the fluid sets up for self-retention within the receptacle.

Abstract: First and second electrical components on an integrated circuit chip are electrically connected respectively to a wire bonding pad and to a probe contacting area of a size significantly less than the bonding pad. The pad and contacting area are electrically isolated whereby both components can be separately electrically tested by test probes contacting each of the pad and the contact area. After the components have been tested, the bonding pad and the probe contact area are electrically connected together for electrically connecting the first and second components. The electrical connection is made by bonding a terminal wire to the bonding pad as well as to an extension from the contact area substantially filling a space within the bonding pad and underlying the joint formed between the terminal wire and the bonding pad.

Abstract: A process and structure for transferring a wound coil disposed around a first mandrel onto a second mandrel. The first mandrel is radially expandable between first and second outer diameters and the coil is wound onto the first mandrel when in its larger, first outer diameter which is larger than the diameter of the second mandrel. The two mandrels are disposed in side-by-side coaxial relationship and the diameter of the first mandrel is reduced for reducing the radial stress of the wound coil against the first mandrel for facilitating movement of the coil off the first mandrel and onto the second mandrel.

Abstract: A connector assembly for non-permanently interconnecting wires from respective cables comprises a box-like structure including a rear wall, side walls and a front wall formed from a plurality of replaceable front wall modules. Connectors at an end of cables extending into the box are removably mounted within respective ones of a plurality of side-by-side slots in the rear wall with the connector terminals facing towards the box front wall. Each front wall module comprises a front wall plate, a printed circuit board including forwardly projecting terminals extending entirely through the front wall plate for being accessible at the front of the box, and a mating connector mounted on the circuit board and having terminals connected, via conductive paths on the circuit board, to the forwardly extending terminals.

Abstract: Semiconductor bipolar power devices comprise a control electrode for turning on or off a first source of charge carriers into the device and a p-n junction emitter remote from the first source and acting in correspondence with the condition of the first source. The p-n junction is a heterojunction where the bandgap of the semiconductor material of the emitter side of the junction is less wide than the bandgap of the material on the base side for reducing the emitter injection efficiency in comparison with an otherwise identical device having a homojunction emitter.

Abstract: A comparator circuit has first and second inputs and an output and includes means for operating the comparator in alternate autozero and comparator phases. During an autozero phase, the inputs of the comparator are clamped to a reference potential and during a compare phase, input signals are applied to the input of the comparator. Control signals are applied to the inputs of the comparator during a portion of the compare phase. The control signals determine the state of the comparator output when the input signals applied to the inputs of the comparator are below a predetermined level.

Abstract: A gate electrode control structure of an MOS-gated semiconductor device includes four doped regions including a first (source) region forming a first P-N junction with an enclosing composite region comprising a second, lightly doped (channel) region wholly enclosing a third heavily doped (body) region partly enclosing the first region, and a fourth (drain) region forming a P-N junction with the third region. The gate electrode control structure is fabricated using known gate electrode self-alignment doping processes but wherein, in the process for forming the third heavily doped region, a spacer layer is provided on the gate electrode for defining a spacing between the third region and the channel region with an improved degree of precision.

Abstract: A multiplicity of baseband input signals are supplied to a signal processor which functions to modify the input signals such that when the modified signals modulate corresponding multiple carrier wave signals which are combined to produce a composite signal which is applied to the input of an amplifier, the "peaking" at the input to the amplifier and the resultant intermodulation at the output of the amplifier are reduced. In response to the application of the baseband input signals, the signal processor determines the extent of peaking and modifies at least one of the phase and amplitude of the input signals. In one embodiment of the invention, a block of data representing the input signals over a time slot is supplied to the signal processor which then generates a fixed phase shift over the time slot. In another embodiment of the invention, a block of data representing input signals is applied to a signal processor which then determines the worst case peaking and the time of their occurrence.

Abstract: A bar code scanner having means for reading bar code data and for processing the data includes means for supplying the processed data to a computer having an input/output (I/O) port designed for the connection thereto of an external keyboard. The scanner includes "communication" means for enabling the scanner either to be "wedged" between an external keyboard and the I/O port or to be directly connected to the I/O port. The scanner's "communication" means includes means for sensing whether an external keyboard is connected to the computer and includes means responsive to sensing the absence of an external keyboard connection for producing signals similar to those produced by an external keyboard and for supplying these signals to the computer in order to establish and maintain communication between the scanner and the computer. The bar code scanner may also include means for responding to various computer commands and/or keyboard commands.

Abstract: An apparatus and method for non-contact real-time measurements of temperature and emissivity profiles of radiant targets with unknown spectral emissivity. The selected points or regions on the radiant target are imaged onto an array of photodetectors through an assembly of narrow-band optical filters. Produced multi-wavelength images of the radiant target are processed by the computer workstation and 1D or 2D temperature and emissivity profiles are obtained by means of the curve-fitting of radiometric model of imager sensor response to measured response and performing spatial interpolation of the results. Method for calibration of said apparatus by means of curve-fitting of radiometric model of the apparatus to sensor responses obtained by imaging pre-calibrated blackbody. Method for compensation for inherent non-linearities of pyrometer response.

Abstract: Piezoelectric electrical generators comprise cantilevered beams of piezoelectric material, cross sections of the beams preferably being triangular and of increasing area from free end to fixed end. Arrays of spaced apart beams are disposed in overlapping, interdigitated relationships with arrays of cams, and the cam arrays are moved relative to the beam arrays for causing engagement and deflection of the beams by the cams for the generation of electrical energy. One system comprises a raft floating on the surface of an ocean. Cam arrays are suspended from the raft for interaction with vertically extending beam arrays mounted on the ocean floor beneath the raft. Relative vertical movements are caused by passing surface waves. In another system, beam arrays are suspended from an above surface structure, e.g., an oil drilling ocean platform, and the beam arrays extend towards and interact with cam arrays mounted on the upper surface of a floating raft.

Abstract: Systems embodying the invention include a vibrating arm having one side on which is mounted a reflective surface for sweeping a beam of light across a target whose contents are to be read. The vibrating arm includes a bar of magnetic material pivoted about its center so as to be able to rotate freely (i.e., be "movable"). The ends of the "movable" bar are located between the side walls of a stationary (i.e., non-moving or fixed) yoke of magnetic material with a driving coil located between the ends of the movable bar and the side walls of the stationary yoke. The stationary yoke is of magnetic material for concentrating a magnetic field encompassing the movable bar, the coil and the stationary yoke.

Abstract: A pool cover includes, in a preferred embodiment, an array of openings through an otherwise impervious pool cover sheet. A pair of filter units overlies the openings and allows only filtered water from the pool cover to drain into an underlying pool of water. A first (bottom) of the filter units is fixedly attached to the impervious sheet and includes a screen member tautly stretched across the array of openings for sharing stress in the sheet in the vicinity of the openings, and also includes a micromesh filter layer overlying the screen member. The second of the filter units is removably attachable to the first unit, as by VELCRO fastenings, and includes a lower micromesh filter layer, for directly overlying the micromesh filter layer of the first unit, and a macromesh filter layer directly overlying the micromesh filter layer.