Abstract: A system for the wireless transmission of multiple information signals utilizing digital time division circuits between a base station and a plurality of subscriber stations. The subscriber stations may be fixed or movable. The number of time division circuits is determined by the transmission quality of the signals. The base station is interconnected with an external information network, which may be analog and/or digital. The information signals are selected from the group consisting of voice, data, facsimile, video, computer and instrumentation signals. The modulation level of the signals and the power applied to the system are adjusted in accordance with signal error detection in the system. The system is provided with spatial diversity by using a plurality of antennas selectively spaced from each other to provide relatively high signal reception despite signal fading. The base station operates over a plurality of RF channel pairs.

Abstract: A subscriber unit for wireless communication with a base station in a wireless subscriber communication system includes a FIR chip, a DIF (digital intermediate frequency) chip, a single processor chip and a radio. The processor chip transcodes a digital voice input signal to provide digital input symbols; demodulates an output signal received from the base station to provide digital output symbols; and synthesizes a digital voice output signal from the digital output symbols. The FIR chip FIR filters the digital input symbols and generates timing signals for timing the transcoding and synthesizing operations in the processor chip. The DIF chip digitally synthesizes a digital intermediate frequency signal by direct digital synthesis (DDS) and modulates the digital intermediate frequency signal with the filtered input symbols to provide a modulated intermediate frequency input signal. The radio further processes the modulated input signal for transmission to the base station.

Abstract: An analog to digital converter system utilizable in a wireless digital telephone network, the system comprising a circuit to produce an analog signal, and a circuit for amplifying this signal, mixing the amplified signal with a signal from a timing circuit and applying the output of the mixer to a sample and hold circuit; the output of the sample and hold circuit being then applied to an analog to digital converter, the output of which is applied to a FIFO, whose output is then available for further processing.

Abstract: A method and apparatus for casting parts comprising an open-faced mold which is displaced under a ladle. As the mold cavities, defined in the face of the mold, pass beneath the ladle, each is filled with molten material via a sprue in the bottom of the ladle. The ladle includes a venting conduit positioned within the sprue so that as the molten material empties into a mold cavity from the ladle, the air trapped within the mold cavity is vented through the sprue via the venting conduit.

Abstract: A system for forming concrete structural elements including a plurality of runners forming a spaced array; a plurality of supports extending upwardly from and connecting intersecting runners; and a plurality of coffer plates secured in position over the supports by a plurality of anchor nuts capable of interacting with the concrete poured to form the structural element. The coffer plates initially act as a mold for the structural element being formed. Thereafter, the array of runners and supports are used to suspend finishing components (plumbing lines, eletrical conduit, electrical wiring and fixtures, ceilings, non-load-bearing walls, etc.) from the structural element without requiring alteration of the concrete forming the structural element.

Abstract: A papermakers felt having improved void volume and a method for manufacturing of the felt are disclosed. The felt as woven comprises at least three plies with one ply being comprised of removable yarns. Through removal of the removable yarns, a series of voids are created in the final felt.

Abstract: The present invention relates to a papermakers fabric having an upper layer comprised of a batt and an under layer comprised of a plurality of intermeshed monofilament spiral coils, retained by pintle means; the upper and lower layers being unified into a single fabric by application of adhesives to the interface between the batt layer and the under layer.

Abstract: An apparatus for simultaneous location and termination of a plurality of stripped conductors in a connector is disclosed. The apparatus comprises a body having a connector orienting cavity, a conductor comb for aligning the stripped conductor, a conductor wiper assembly disposed parallel to said cavity and conductor insertion tooling disposed perpendicular to said cavity.

Abstract: A connector for use in terminating flat conductors which provides a minimum profile. The connector employs coined contact rings which pierce the conductor insulation and establish electrical contact without conductor damage. A lance and guide hole arrangement provides alignment and mechanical locking of the connector.

Abstract: A transition block connector for use in interconnecting flat conductors and round conductors which provides a minimum connection profile. The connector employs formed contacts which pierce the flat conductor insulation to establish electrical contact without conductor damage, and standard round wire screw type termination.

Abstract: A floor fixture adapted for use with flat undercarpet power distribution systems has a face plate with a snap-in retaining feature requiring no screws and a mounting arrangement which allows for rotation of the fixture after installation.

Abstract: The disclosure is directed to a pre-assembled liquid tight connector for use with flexible metallic conduit. The connector is comprised of a one piece body member having a grounding member formed integrally therewith. Additionally, the body member is so constructed as to retain a resilient polyurethane collar in a pre-loaded position so that after assembling the ground conductor to the flexible metallic conduit, the collar is simply pried from the pre-load position and a liquid tight seal is achieved.

Abstract: Apparatus and method for terminating conductors such as those used in the wiring in a building are disclosed. A stamped and formed electrical terminal having means for making a solderless termination of an insulated wire is disclosed. In one embodiment this terminal is utilized in a electrical outlet receptacle. The outlet receptacle comprises an insulating housing with terminals for the current carrying and ground wires located therein. A movable insulating member is mounted on the rear of the insulating housing and is adapted to insert the wires into appropriate terminals.

Abstract: Method of producing a group of wires, W.sub.1, W.sub.2, W.sub.3 . . . W.sub.n, which have predetermined lengths L.sub.1, L.sub.2, L.sub.3 . . . L.sub.n respectively comprises the steps of guiding the wires from substantially endless sources of wire and locating the leading ends of the wires on a feed roll in parallel side-by-side relationship with each wire disposed between the feed roll and a separate associated pressure roll. The pressure rolls are normally spaced from the feed roll so that they are in a non-feeding position but they can be selectively moved towards the feed roll into a feeding position. The feed roll is started during each of a plurality of wire feeding cycles and during each cycle, at least one of the wires is fed by selectively moving the associated feed roll to its feeding position.

Abstract: A multi contact electrical connector for interconnection of a ground-signal multi-conductor flat cable to a plurality of electric circuit elements such as terminal posts extending from a panel is disclosed. The connector includes a plurality of discrete terminals in a multi-contact insulating housing with a ground bus mounted on the housing. Conductor template surfaces are located on oppositely facing insulating cover members. The free ends of the conductors in the flat cable are reoriented during assembly of the connector so that proper ground and signal electrical terminations can be established using slotted plate terminal members located on centerlines differing from that employed in the cable itself.

Abstract: Connector for connecting pairs of wires to each other comprises an insulating housing having oppositely directed wire-receiving ends. An electrical connecting device is mounted in each of the ends and wire admitting slots extend from each end partially across one wall of the housing. Corresponding wires of two pairs of wires are connected to each other by moving the wires laterally of their axes towards the wire-receiving ends, through the wire admitting slots, and into the connecting means. A plurality of such connectors are mounted on a continuous carrier strip which can be fed through a semi-automatic wire insertion apparatus. An alternative embodiment is disclosed for connecting a pair of tap wires to a pair of through wires.

Abstract: A hand tool for use with a rotary splicing connector which can be used to terminate a plurality of insulated wires is disclosed. The connector consists of two mutually rotatable housing components. Insulated wires can be spliced during rotation of the two housing components. The hand tool includes a lever to generate the required torque on the connector members. The tool includes a magazine used to sequentially feed a plurality of connectors in tandem orientation.

Abstract: A rotary waterproof splice connector for use with a plurality of insulated wires is disclosed. The connector includes two mutually rotatable cylindrical insulating members. Wire receiving tubular passages parallel to the axis of rotation intersect a plate-like contact terminal. Rotation of the two insulating members causes the terminal to establish electrical contact with wires located in the tubular passages. A viscous sealant is stored in the tubular passages at the interface between the wires and the terminal.

Abstract: Apparatus and method for fabricating a multi-wire harness assembly are disclosed. The harness consists of a multi-contact electrical connector with a plurality of wires of diverse lengths attached thereto. The free ends of the wires have been differentially stripped for the application of electrical terminals. The fabrication apparatus consists of spaced wire insertion and stripping stations. Wire lengthening blades, located between the wire insertion and stripping stations, pull wires through wire stripping blades to differentially remove the insulation from one end.