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| Number | Title | Issue Date |
| 4379615 | Device for transmitting energy through electric wire or optical cable wound on drum A device for transmitting signals or energy between a reel wound multi-core or multi-conductor cable and a stationary terminal unit without the use of a sliding connector. Dummy bobbins are provided coaxially with and rotatable with the winding reel with ... | 04/12/1983 |
| 4370020 | Transportable fibre optic apparatus for use in a security system Apparatus which comprises at least one length of flexible optic fibre, storage means for receiving the length of optic fibre, means for transmitting an optical signal along the length of optic fibre, and means for detecting an optical signal in the length... | 01/25/1983 |
| 4354730 | Optical relay used for transferring an image from one point to another along an optical axis This optical relay is characterized in that it comprises at least one optical system formed from at least two thick optical elements, one of which is convergent and the other divergent, the index, the thickness and the radii of curvature of the optical el... | 10/19/1982 |
| 4270839 | Directional optical fiber signal tapping assembly A directional optical fiber signal tapping assembly. A light pipe rod encircles and accepts stray light rays leaving the otherwise bare outer surface of a length of optical fiber in a region following a location having a bend that induces a selected degre... | 06/02/1981 |
| 4249794 | Optically coupled remote control system A system for remote control of an articulated loading arm, comprising a light source and a plurality of light actuated relays enclosed in an explosion-proof container, and a plurality of light-controlling switches mounted adjacent the loading arm. Light f... | 02/10/1981 |
| 4247858 | Antennas for use with optical and high-frequency radiation Disclosed is an antenna for use in transmitting and/or receiving both optical, including infrared, and high-frequency electro-magnetic radiation. The antenna is comprised of a hollow conductor in the interior of which is arranged a light conductor as a di... | 01/27/1981 |
| 4247956 | Installation for the monitoring of message transmission systems with lightwave conductors In the transmission of messages on lightwave conductors, upon the rupture of such lightwave conductors, dangerous rays can occur that cause eye damage. Therefore, an installation is proposed that, upon the rupture of a lightwave conductor, communicates th... | 01/27/1981 |
| 4232228 | Method of lightening radiation darkened optical elements A method of lightening a radiation-darkened optical element in wich visible optical energy or electromagnetic radiation having a wavelength in the range of from about 2000 to about 20,000 angstroms is directed into the radiation-darkened optical element; ... | 11/04/1980 |
| 4214810 | Method of connecting optical fibres An optical fibre terminal block assembly and a method of connecting an optical fibre to a piece of material by pressing the fibre and the material together so that the fibre becomes embedded in the material, the structure so formed being used to provide c... | 07/29/1980 |
| 4195907 | Light-conducting fibers A clad light-conducting fiber comprising a core, a cladding of lower refractive index than the core, fused to the core, and a plurality of spots of inhomogeneity such as bubbles wholly within the core, spaced along the length of the light-conducting fiber... | 04/01/1980 |
| 4157209 | Optical device having light-mixing element An optical device comprises a pair of contrastingly-colored sources of light, means for adjusting the brightness of the sources of light relative to each other, and a mixing element formed with a light-entrance portion to permit entrance into the mixing e... | 06/05/1979 |
| 4130341 | Fiber optic seal apparatus A fiber optic seal having a block with similar fiber spreading inserts and similar fiber combining inserts which terminate in rectangular facial fiber openings. The block is placed on alignment lugs and a rectangular reticle is precisely moved by a microm... | 12/19/1978 |
| 4128298 | Wand nose with integral light pipe for wand power turn-on Described is a light pipe for transmitting light signals to and from a transmitter/receiving sensor. The light pipe is a homogeneous body made by injection molding an arcylic plastic material.... | 12/05/1978 |
| 4125315 | Light mixing device A light mixing device of optically clear light transmitting material where the various color components of light introduced in the input end of the device are efficiently mixed by internal reflection through the length of the mixer. The mixer may be eithe... | 11/14/1978 |
| 4113353 | Information processing optical device An optical device is employed for information processing operations such as pattern recognition, image display and information storage. The optical device comprises a body in which a number of spot-like transparent sections are arranged in the form of a m... | 09/12/1978 |
| 4106849 | Fiber optic seal A fiber optic bundle is placed through an object to be sealed. Ends of the fibers are spread and threaded through one another in a random dispersion, disorienting the fibers. Randomly reoriented ends are regathered and clamped. A moveable reticle at a lig... | 08/15/1978 |
| 4086004 | Eye glasses An improved eye glass or spectacle is provided which includes means for transmitting light in the form of a fiber-optic bundle disposed in or forming an arm of the spectacle frame. In one embodiment, the spectacle frame includes a pair of lens-holding mem... | 04/25/1978 |
| 4078548 | High efficiency solar panel A window portion is interposed between the incident light and a heat absorbing portion and at least one of the heat absorbing and window portions has a plurality of spaced apart reflecting surfaces, separate ones of which face each other and transmit the ... | 03/14/1978 |
| 4052120 | Optical apparatus for producing a light curtain An optical apparatus for producing a light curtain using a fibre optic rod with a sawtooth mirror disposed along the face away from the curtain area.... | 10/04/1977 |
| 4050782 | Mode separator and delay equalizer for multimode optical fiber transmission systems The invention contemplates an improved light-mode separator for orientation in axially offset adjacency to an end of an optical fiber, in a plane perpendicular to the fiber axis; separate concentric regions of the separator about the fiber axis have diffe... | 09/27/1977 |
| 4045198 | Method of preparing a foreproduct for the production of an optical lightconductor There is disclosed a process for preparing a foreproduct useful in the production of an optical self-focusing lightconductor in which the index of refraction of the lightconductor diminishes with increasing distance from the conductor axis such that, when... | 08/30/1977 |
| 4039770 | Interface system to control flash lamp An interface for controlling the energy to a flash lamp based on document information. An area converage sensing device senses the density of document information advanced along a predetermined path and produces electrical signals thereof. A circuit condi... | 08/02/1977 |
| 4037113 | Flame detector A flame detector device for use with boiler systems has been devised wherein a radiation sensitive means responds when energized by incident radiation of the selective frequency bandwidth to produce a signal indicative of the existence of a flame. A light... | 07/19/1977 |
| 4011069 | Apparatus for making fiber optic devices Apparatus having a headstock and tailstock between which a shortened fiber optic image-inverter is formed by twisting and axially compressing a heated bundle of light-conducting fibers held by endpieces respectively supported in said headstock and tailsto... | 03/08/1977 |
| 3997240 | Optical system using light equalizer with partially reflective plane surfaces An optical system is provided to minimize the angle-dependent transmission characteristics of interference filters, the optical system including a light equalizer having an output aperture across which each area element exhibits substantially the same emi... | 12/14/1976 |
| 3983688 | World clock device A plurality of clocks are provided in a housing having a plurality of faces, each clock being in a corresponding one of the faces of the housing. A transparent globe of the Earth is rotatably mounted in the housing. A rotating device in the housing is cou... | 10/05/1976 |
| 3961931 | Apparatus for heat-bonding optical fibers A process for heat-bonding optical fibers comprising aligning a number of optical fibers in a mould with at least one of whose end surfaces is open and with end members slidable towards the inside of the mould from positions at which the end surfaces are ... | 06/08/1976 |
| 3956587 | Facsimile apparatus A facsimile transceiver comprising a document/copy receiving drum, a motor for rotation of the drum about the drum axis and a read/write head mounted on a rotating shaft for linear movement in a direction parallel with the drum axis. When the transceiver ... | 05/11/1976 |
| 3943815 | Illuminated guitar A guitar containing fiber optic strands extending through the neck to conduct light from a source located in the body to fret markers on the fretted surface of the neck and the side surface facing the guitarist, thereby allowing the instrument to be playe... | 03/16/1976 |
| 3943358 | Terminal and repeater stations for telecommunication system using optical fibers In the telecommunication system using optical fibers, each terminal or repeater station comprises negative feedback via an optical channel, the output electroluminescent diode being coupled to the input photodiode by an optical fiber.... | 03/09/1976 |
| 3942867 | Optical memory apparatus An optical memory includes a light beam source, converting means for causing the light beam to take on a predetermined spot size, and a light-focusing fiber guide having a refractive index distribution decreasing radially outwardly from its center axis. A... | 03/09/1976 |
| 3941927 | Optical fiber deflection device An optical fiber deflection device is described in which an electrical transducer is used for deflecting the fiber in response to an electrical control signal in order to deflect a light beam transmitted through such fiber. The transducer includes a nonma... | 03/02/1976 |
| 3934773 | Method for breaking brittle rods or fibers A method of breaking a rod of brittle material, such as a glass optical fiber, so as to yield a mirrorlike surface across the entire rod end is described. This is achieved by establishing a decreasing tensile stress across the cross section of the rod whi... | 01/27/1976 |
| 3934246 | Alphanumeric display means for computer-linked typewriter consoles using light-emitting diodes (LED's) in conjunction with sets of fiber-optic matrix members The present invention relates to an alphanumeric display unit means for improving the identification quantities at selected key buttons of a computer-linked typewriter console through usage of light-emitting indentification indicia attached adjacent to or... | 01/20/1976 |
| 3934245 | Alphanumeric display means for computer-linked typewriter consoles The present invention relates to an alphanumeric display unit means for improving the identification quantities at selected key buttons of a computer-linked typewriter console through usage of light-emitting identification indicia attached adjacent to or ... | 01/20/1976 |
