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| Number | Title | Issue Date |
| 4276656 | Apparatus and method for replacement of a parallel, computer-to-peripheral wire link with a serial optical link There is disclosed herein an apparatus and method for communication between units in a data processing or communication system utilizing light conducting fiber instead of parallel electrical conductor cable. The serial optical link permits potentially hig... | 06/30/1981 |
| 4261641 | Active multiport fiber optic data bus coupler A coupler utilizing a repeater. Dedicated transmit and receive lines interconnect transmitters and receivers with the data bus and, receive lines from other hybrid lines are optically isolated by approximately 23 db from the receiver in the repeater by fi... | 04/14/1981 |
| 4257124 | Optical repeater for use in active multiport fiber optic data bus coupler A coupler utilizing a repeater. Dedicated transmit and receive lines interconnect transmitters and receivers with the data bus and, receive lines from other hybrid lines are optically isolated by approximately 23 db from the receiver in the repeater by fi... | 03/17/1981 |
| 4252404 | System for transmitting and receiving plural messages via a single fiber-optical path Several monochromatic light beams of different wavelengths, modulated with respective message signals, are combined at a transmitting station into a composite beam conveyed via a fiber-optical path to a receiving station where the composite beam is resolv... | 02/24/1981 |
| 4252402 | Device for connecting a peripheral unit to an optical bus-line A device for connecting a peripheral unit to an optical bus-line which comprises a substrate onto which are integrated a first optical waveguide for being inserted in the path of the bus-line, a second optical waveguide for being connected to the emitting... | 02/24/1981 |
| 4249266 | Fiber optics communication system A fiber optics transceiver transmits and receives either synchronous or asynchronous data through a fiber optics data communication cable. The transceiver is connected to one end of the cable and communicates with an identical transceiver at the other end... | 02/03/1981 |
| 4246475 | Fail-safe optical repeater-amplifier assembly for fiber optic systems In an optical data bus system, a fail-safe optical repeater-amplifier assly is provided by light energy amplifying means connected in the data bus for developing gain of signal strength for light signals transmitted along the data bus in a known directio... | 01/20/1981 |
| 4243297 | Optical wavelength division multiplexer mixer-splitter An optical wavelength division multiplexer mixer-splitter wherein a precision formed substrate chip is fabricated with a first traversing groove and at least a second intersecting groove. A first input/output optical fiber lies upon one end of the first g... | 01/06/1981 |
| 4234969 | Bidirectional optical coupler for a data processing system A data processing system having a plurality of stations and an optical transmission bus linking the stations. The bus includes two transmission lines carrying optical signals in opposite directions so that two stations may communicate simultaneously. A pa... | 11/18/1980 |
| 4234970 | Fiber optic communication system A multi-access fiber optic communication system in which each terminal of the system is directly connected with n other terminals of the system via point-to-point transmitting and receiving links and each terminal of the system includes regenerating means... | 11/18/1980 |
| 4211920 | Fault location system for optical repeating paths An optical repeating path fault location system for a PCM optical transmission system which is composed of a backward transmission path and a forward transmission path respectively formed of separated optical fibers and having disposed therein a plurality... | 07/08/1980 |
| 4198118 | Power equalizing multiport optical coupler An apparatus for controlling the attenuation of optical coupling between remote terminals or ports on the same optical coupler. The attenuator employed is a partially reflecting mirrored surface located on the end of a mixing block with a portion of one s... | 04/15/1980 |
| 4166212 | Recirculating optical delay line A reiterative delay line system utilizing an optical fiber, light transmitting (and modulating) means, light signal receiving means, and having signal multiplexing. The (n-1) first channels of the demultiplexer are linked to the like channels of the multi... | 08/28/1979 |
| 4161650 | Self-powered fiber optic interconnect system A self-powered fiber optic interconnect system in which electrical output from data transmitting equipment is converted in a transmitter unit to optical signals in a fiber optic cable for transmission to a receiver unit for reconversion to electrical sign... | 07/17/1979 |
| 4149072 | System for flat ribbon optical fiber data communications link A system for optically linking processing equipment including a flat ribbon cable containing a plurality of optical fibers supported in a flexible matrix, a connector for optically terminating fibers of the cable including a member having means for receiv... | 04/10/1979 |
| 4136929 | Apparatus for generating light pulse train The ends of a length of optical fiber are coupled to each other to form a closed loop so that light wave may propagate freely through the looped optical fiber. At one or more portions of the looped path of light are provided the sections through which the... | 01/30/1979 |
| 4112293 | Optical fiber data transmission system A TT coupler for use in fiber optics data transmission systems wherein the incoming light to the coupler passes to both the receiver of the subscriber station and through the coupler lead toward the next subscriber station in succession in a ratio control... | 09/05/1978 |
| 4089584 | Multiple station multiplexed communications link employing a single optical fiber A single optical fiber having a core with at least one planar side is arranged in an open loop configuration to form a bus which is run between a plurality of communications stations to be served. The legs of the loop are placed side by side to form a pai... | 05/16/1978 |
| 4072399 | Passive optical coupler A coupler disposed between two optical signal transmission lines for extracting from the first transmission line a fraction of the energy transmitted thereby and for injecting an input optical signal into the other transmission line. The first transmissio... | 02/07/1978 |
| 4054366 | Fiber optics access coupler There is disclosed a fiber optic coupler for use in single strand fiber systems comprising a device to allow optical access to a single fiber by means of a second fiber which has been attached to it by fusing the glass cladding of the two fibers as by app... | 10/18/1977 |
| 4017149 | Multiple access fiber optical bus communication system A multiple access fiber optical bus system having superior features as compared to the prior art is provided in which single fibers may be used as transmission lines in a closed loop system. A plurality of optical transmission mixers are provided, each of... | 04/12/1977 |
| 3995155 | Integrated optical data bus coupler A data bus coupler having a fiber optic bundle input, a separate optical ulator or detector (described in a concurrent disclosure by the same inventors) attached to each fiber of the bundle for adding information to, extracting information from, or detec... | 11/30/1976 |
| 3952265 | Monolithic dual mode emitter-detector terminal for optical waveguide transmission lines There is disclosed a monolithic dual mode emitter-detector terminal for optical waveguide transmission lines such as optical data busses or links which terminal serves in one mode to introduce an optical signal onto the line for transmission from one poin... | 04/20/1976 |
