Abstract: An entrance denial security system comprises an entrance barrier closing an entrance into a secured area having a plurality of structural tubular elements with hollow cores forming a rigid integral barrier. At least one optical fiber sensor line is laced through the hollow cores of the structural elements for detecting a fault condition signifying an unauthorized intrusion attempt. A processor in communication with the fiber sensor line generates a fault signal in response to a fault signal level. A communication device operatively associated with the processor communicates the fault signal and an alarm. The system also includes a plurality of tubular elements lying a common plane and the sensor line is routed through the tubular elements. In one instance, the tubular elements are PVC pipe.

Abstract: An entrance denial security system comprises an entrance barrier closing an entrance into a secured area having a plurality of structural tubular elements with hollow cores forming a rigid integral barrier. At least one optical fiber sensor line is laced through the hollow cores of the structural elements for detecting a fault condition signifying an unauthorized intrusion attempt. A processor in communication with the fiber sensor line generates a fault signal in response to a fault signal level. A communication device operatively associated with the processor communicates the fault signal and an alarm. The system also includes a plurality of tubular elements lying a common plane and the sensor line is routed through the tubular elements. In one instance, the tubular elements are PVC pipe.

Abstract: An entrance denial security system comprises an entrance barrier closing an entrance into a secured area having a plurality of structural tubular elements with hollow cores forming a rigid integral barrier. At least one optical fiber sensor line is laced through the hollow cores of the structural elements for detecting a fault condition signifying an unauthorized intrusion attempt. A processor in communication with the fiber sensor line generates a fault signal in response to the occurrence of a fault condition and identifying the entrance where the fault condition occurred. A communication device operatively associated with the processor communicates the fault signal and an alarm so that a proper security response can be made to the fault condition. The system further comprises a plurality of intrusion sensors disposed at certain locations.

Abstract: An entrance denial security system for detecting a fault condition at one or more entrances into a secured area representing unauthorized activity and an attempt to gain entry through the entrance. The system comprising an entrance barrier closing an entrance into a secured area; the barrier including a plurality of hollow structural elements having hollow cores forming a rigid integral barrier; an optical fiber sensor line laced through the hollow cores of the structural elements of the gate for detecting the fault condition; a processor in communication with the fiber sensor line for generating a fault signal in response to the occurrence of a fault condition and identifying the entrance where the fault condition occurred; and a communication device operatively associated with the processor for communicating the fault signal so that a proper security response can be made to the fault condition.

Abstract: The invention consists of a secure data transmission cable for electronically transmitting secure data between remote locations in an exposed condition. The data transmission cable comprises a tubular outer protective layer, an inner core disposed within the outer protective layer, a data transmission line carried within the inner core for transmitting secure data between the remote locations, and a fiber optic sensor line included in the outer protective layer for detecting unauthorized activity relative to the transmission line. The fiber optic data transmission line comprises a plurality of optical fibers for transmitting data between remote locations and for detecting unauthorized activity relative to the transmission line. A protective casing surrounds the data transmission line for protecting the fiber optic data transmission line from contacting the outer protective layer. An outer protective casing braided around the core in which the sensor line is enclosed provides strength to the cable.

Abstract: An entrance denial security system comprises an entrance barrier closing an entrance into a secured area having a plurality of structural tubular elements with hollow cores forming a rigid integral barrier. At least one optical fiber sensor line is laced through the hollow cores of the structural elements for detecting a fault condition signifying an unauthorized intrusion attempt. A processor in communication with the fiber sensor line generates a fault signal in response to the occurrence of a fault condition and identifying the entrance where the fault condition occurred. A communication device operatively associated with the processor communicates the fault signal and an alarm so that a proper security response can be made to the fault condition. The system further comprises a plurality of intrusion sensors disposed at certain locations.

Abstract: An entrance denial security system for detecting a fault condition at one or more entrances into a secured area representing unauthorized activity and an attempt to gain entry through the entrance. The system comprising an entrance barrier closing an entrance into a secured area; the barrier including a plurality of hollow structural elements having hollow cores forming a rigid integral barrier; an optical fiber sensor line laced through the hollow cores of the structural elements of the gate for detecting the fault condition; a processor in communication with the fiber sensor line for generating a fault signal in response to the occurrence of a fault condition and identifying the entrance where the fault condition occurred; and a communication device operatively associated with the processor for communicating the fault signal so that a proper security response can be made to the fault condition.

Abstract: The invention consists of a secure data transmission cable for electronically transmitting secure data between remote locations in an exposed condition. The data transmission cable comprises a tubular outer protective layer, an inner core disposed within the outer protective layer, a data transmission line carried within the inner core for transmitting secure data between the remote locations, and a fiber optic sensor line included in the outer protective layer for detecting unauthorized activity relative to the transmission line. The fiber optic data transmission line comprises a plurality of optical fibers for transmitting data between remote locations and for detecting unauthorized activity relative to the transmission line. A protective casing surrounds the data transmission line for protecting the fiber optic data transmission line from contacting the outer protective layer. An outer protective casing braided around the core in which the sensor line is enclosed provides strength to the cable.

Abstract: A method and apparatus are disclosed in which a continuous elongated length of multi-conductor flat ribbon cable having a plurality of continuous signal and ground conductors for serially interconnects a plurality of terminal connectors. The signal and ground conductors include signal and ground wires which are disposed along the length of the cable in a predetermined arrangement with insulation material covering the wires. The insulation material is removed at predetermined positions along the length of the cable exposing the signal and ground wires for attachment to the terminal connectors.

Abstract: The support bracket and cable assembly of this invention allows an internal circuit board of a host computer to be directly connected to a plurality of peripheral devices using a plurality of interface cables through a first port of an input/output frame. A rigid compound bracket has two bracket elements with cutouts to form cylindrical openings through which the interface cables pass. The cylindrical openings or channels have at least one collar that grips and holds the interface cables within a single port of an input/output (I/O) frame of an enclosure of the host computer. Therefore, interface cables to go directly from the internal circuit board to the peripheral devices without intermediate connectors at the I/O frame. The compound bracket is attached to the I/O frame by a bracket mount arrangement. A grounding interface is provided for the peripheral devices as the interface cables pass through the cylindrical openings in the compound bracket.

Abstract: A composite shield jacket and woven electrical transmission cable assembly is disclosed wherein the shield jacket comprises an outer elastomeric cover and a metalized backing on the interior side of the cover which advantageously may comprise a thin flexible fibrous web formed either by weaving metallic coated fibers or forming a non-woven web from the metallic coated fibers, or by applying a thin metallic layer to the backside of the cover. In any case, a highly durable, flexible shield jacket is provided. When the jacket is applied to a flat transmission cable according to the invention, the side edges of the shield are on opposite sides of the cable so as to overlap the sides of the shield and cover so that exits from the shield are defined on opposing sides of the cable reducing the unwanted escape of interference noises.

Abstract: A composite shield jacket and woven electrical transmission cable assembly is disclosed wherein the shield jacket comprises an outer elastomeric cover and a metalized backing on the interior side of the cover which advantageously may comprise a thin flexible fibrous web formed either by weaving metallic coated fibers or forming a non-woven web from the metallic coated fibers, or by applying a thin metallic layer to the backside of the cover. In any case, a highly durable, flexible shield jacket is provided. When the jacket is applied to a flat transmission cable according to the invention, the side edges of the shield are on opposite sides of the cable so as to overlap the sides of the shield and cover so that exits from the shield are defined on opposing sides of the cable reducing the unwanted escape of interference noises.

Abstract: A high density multi-conductor ribbon cable (A, A', 40, 56', 65, 65', 90, 90') is disclosed having a variable width and variable center spacing (X) of conductors (12) along the cable length. The spacing of conductors (12) is determined by the vertical position of a tapered reed (B) and the cable may be extruded (40) or woven (56). Variations in the width and spacing of the signal conductors may be had to match mechanical and/or electrical characteristics of associated terminal connectors (22, 68, 68') and input and output devices (26, 28).

Abstract: A multilayer woven high density electrical transmission cable (A) is disclosed including a first woven cable layer (D) and a second woven cable layer (E) bound together by warp bindings (24) as integral cable structure. Signal conductors (16) and ground conductors (18) extend in the warp direction in cable layer (D). Signal conductors (26) and ground conductors (28) extend in the warp direction in cable layer (E). Signal conductors (16 and 26) are broken out of their respective cable layers either on opposite sides, breakout sections (B,B'), or at the same sides, breakout section (B") as required for a prescribed program termination. All of the ground conductors (18 or 28) of one cable layer cross over to the side of the other cable layer so that one-hundred percent of the ground conductors (18 and 28) are on the same side at the breakout section for termination. The density of the signal conductors is doubled for a given cable width while affording signal identification for a prescribed termination program.

Abstract: A transitional printed circuit board (10) is disclosed for terminating four multiconductor flat electrial transmission cables (44, 46, 48, 50) wherein only a single substrate (12) is utilized. A first electrical plane (A) is formed on one side of the substrate and a second electrical plane (B) is formed on an opposing side of the substrate with the substrate material in between serving as an insulator. Each electrical plane includes a ground plane (26, 41) and spaced electrical lands (14, 16, 32 ,34). Plated through holes (24) allow the lands from opposing sides to be connected to the opposite side for programmed termination. A series of electrical pads (22, 42) provide for termination to the prongs (52a, 52b) of terminal connector (52). Two cables may be terminated on each electrical plane of the printed circuit board by terminating ground wires of the first cable to the ground plane (26, 41), and the signal wires to the electrical lands (14, 32).

Abstract: A unitary woven jacket electrical transmission cable and method are disclosed which include weaving a continuous length of cable structure (10) which includes jacketed sections (A), non-jacketed sections (B), and cut-line sections (C). In the jacketed section (A), the cable structure includes a woven transmission cable (14) which is surrounded by a woven cover (12) which is made integral with the cable by weaving. In the non-jacketed section (B), the woven cover, which is tubular in the jacketed section, is closed and woven in a flat weave (32) with the electrical conductors (16a, 16b) being unwoven and floated on the outside of the flat weave structure. The cut-line section C is woven in the form of a short length of jacket section (A). In the method, the conductors and cable structure is cut across the cut-line sections (C) to make a number of individual woven jacketed electrical transmission cables.

Abstract: A balanced-line transmission cable is disclosed for use in a communications system of the type having a differential driver which transmits a differential output in the form of two output voltage signals which are transmitted to two corresponding inputs of a differential receiver which produces an output proportional to the difference between the two input voltage signals. A woven balanced line transmission cable includes a plurality of balanced-line signal conductor pairs each pair consisting of first and second signal transmission wires laterally spaced closely adjacent one another and lying generally parallel with one another in the cable. The first and second signal transmission wires transmit one each of the two voltages for input into the differential receiver. A plurality of fiber warp and weft yarns are interwoven in the cable with the signal conductor wire pairs fixing the lateral spacing and parallel alignment of the first and second signal transmission wires.

Abstract: A woven electrical transmission cable is disclosed having a controlled impedance and reduced signal interference characteristic in which the density of the signal conductors may be increased without widening the configuration of the cable. The cable (A, F, K) is woven in a tubular configuration wherein the signal conductors (10, 30, 34) are arranged and woven about the periphery of the cable with a vertical spacing component between the conductors. The signal conductors are arranged with ground conductors (12, 32, 36) on each side thereof in the form of clusters (D, E, G, H) in strata about the periphery of the cable. In a preferred form the cable (F, K) is woven in a flattened oval configuration wherein the clusters of conductors are arranged in spaced layers which are generally parallel. In practice, noisy lines and quiet lines may be placed in opposed layers for maximum reduction of signal interference.

Abstract: A woven electrical transmission cable A is illustrated which includes a plurality of warp elements (12, 12, 14) interwoven with a weft element (16). A number of the warp elements are ground conductors (10) and a number are signal conductors (12). The ground and signal conductors are arranged in clusters (D, E) which include signal conductor pairs (12a, 12b and 12c, 12d) isolated by ground conductors (10a-10c and 10d-10f), respectively. An input signal is split at the input (20, 24) of the cluster between the signal conductor pair which is then combined at the output to provide a single output signal (28, 30). The location of the ground conductors relative to the signal conductors is fixed in the cable by interweaving of the weft (16) and warp binder yarns (14) together with the warp conductors (10, 12) whereby the characteristic impedance is controlled.

Abstract: A woven jacket (A) and woven transmission cable (B) are woven together as one-piece. A common weft element (18) is interwoven between the cover (A) and cable (B) which are woven simultaneously on a loom. Weft pick (18a) is woven in the cover exclusive of the cable while weft pick (18b) is broken out of the cover and woven in the cable to physically attach these together.