Quotables
"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
Simon Newcomb, astronomer ; Said in 1902, less than two years before the first flight at Kitty Hawk
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| Number | Title | Issue Date |
| 5512741 | Target acquisition optoelectronic system with a very wide field The system comprises a focusing optics in the focal plane of which a linear array of photodetectors is disposed. A double prism located opposite to said photodetectors with respect to said focusing optics, is servo controlled in rotation relative to a sup... | 04/30/1996 |
| 5458298 | Device for optically guiding an autorotating missile An optical guidance device comprises an entry lens of which the optical axis merges with the axis of rotation of the missile, a filiform infrared detector, sensitive to the infrared radiation of a target, is placed in the focal plane of the lens. The dete... | 10/17/1995 |
| 5456179 | Infrared proximity detector device for flying missile and detector assembly for autorotating missile including such device A proximity detector device comprises a lens placed at the front of the missile, two circular infrared detectors of different radii centered on the optical axis of the lens and disposed in its focal plane. An electronic circuit is connected to the detecto... | 10/10/1995 |
| 5299499 | Infrared detection device Infrared detection device carried by a missile falling to earth and rotating about its axis with a given inclination, said device being intended to trigger off firing of the missile when it detects a source of infrared emission of predetermined type, the ... | 04/05/1994 |
| 5284095 | Compartment for electric circuits Enclosure of reception of electronic components is embarked in a missile. The missile is first fixed to an aircraft carrier and to follow a carried flight, then after being fired, to follow a free flight. The enclosure is located inside of an exterior cas... | 02/08/1994 |
| 5245636 | Device for reducing jitter caused by pointer adjustments in a digital telecommunication network A device for reducing the jitter caused by pointer adjustments in a digital telecommunication network comprising of a circuit inserting in the vicinity of each phase step caused by a pointer adjustment, a plurality of smoothing phase steps in accordance w... | 09/14/1993 |
| 4995722 | System for assisting hovering aircraft to land on the platform of a vessel The aircraft (1) incorporates means for emitting a conical light beam (14). The vessel (2) incorporates photosensitive cells (6) materializing the outline of the beam on the vessel, which is an ellipse (7). Means determine the equation of the ellipse (17)... | 02/26/1991 |
| 4948220 | Module for distributing and connecting optical fibers In a box having an openable front face, plural fiber loop supports substantially flat and movable can be laid out parallel with the front face of the box. Connector bars are respectively attached to the supports and are used for two by two connecting the ... | 08/14/1990 |
| 4847860 | Phase-control system for telecommunications signals received by an adaptive antenna In a receiving station having an adaptive receiving antenna, a phasing system comprises a plurality of reception paths receiving telecommunications signals derived from the same useful signal combined in transmission with a disturbing signal having a freq... | 07/11/1989 |
| 4825629 | Device for inserting optical fibers into helical grooves of a ring in a cabling line In an optical fiber cabling line where a grooved ring is axially drawn at a translational speed, there is provided a device designed to insert optical fibers in helical grooves of the ring. The fibers are unwound, are drawn through a rotating plate and co... | 05/02/1989 |
| 4808970 | Decoding device for CMI code In a device for CMI code decoding, a detector of certain transitions between pairs of the coded signal delivers a signal for synchronizing a clock recovery circuit. A decoding circuit receives the coded signal and the clock signal and delivers the decoded... | 02/28/1989 |
| 4808008 | Method of transmitting digital streams over higher rate channels and a device for implementing same The present invention relates to the transmission of digital information by means of a higher rate channel, the channel having a priori no phase relationship with the primary digital channel, the transmission method comprising chopping the digital stream ... | 02/28/1989 |
| 4802724 | Reserve device for optical fibers A reserve device is provided for optical fibers, including a flat bottomed case with a core defining a recess having substantially the form of a closed loop omega, at the ends of which inlet and outlet channels are provided for the optical fibers, each fi... | 02/07/1989 |
| 4801990 | HgCdTe avalanche photodiode An HgCdTe avalanche photodiode for use at ambient temperature comprises an Hg1-x Cdx Te crystal substrate in which x is chosen between substantially 0.35 and substantially 0.5, a PN junction is formed in the substrate with low concen... | 01/31/1989 |
| 4744626 | Connector for optical fiber and receiving or emitting photoelement and method of positioning an optical fiber endface relative to photoemitter A fiber optic connector comprises a planar holder, such as a printed circuit board, on which a photoelement is secured along a reference axis coaxial with an end of an optical fiber in a transmission system. The holder is secured by mechanical fasteners a... | 05/17/1988 |
| 4727481 | Memory addressing device An addressing device for a memory, such as a dynamic memory ROM or RAM, addressable by address words at a predetermined clock-period rate. Each address word is made up of first and second address words composed of least significant and most significant bi... | 02/23/1988 |
| 4723249 | Frequency stabilized pulsed laser system A frequency stabilized pulsed laser system useful for heterodynes telemetry comprises an amplifying medium (21), between a mirror (27) and a four wave mixing phase conjugate mirror (30). The non linear medium of mirror (30) is a part of the laser medium (... | 02/02/1988 |
| 4699332 | Device for measuring the heading error of a missile A device for measuring the heading error of a missile, comprising two afocal systems for a taking-in-charge field PC and a cruising field CR, in front of a double prism, with a central prism and a peripheral prism of the same angle bonded together with th... | 10/13/1987 |
| 4682355 | Electronic feeding bridge for a space division switching network The invention relates to a telephone subscriber electronic feeding bridge which includes a transformer with three windings, between the line of the sub set and the connection network of the telephone unit automatic exchange or autoswitch of which it forms... | 07/21/1987 |
| 4662980 | Process for preparing crystals of Hg1-x Cdx Te Process for preparing crystals of Hg1-x Cdx Te, in which ingots of HgTe and of CdTe are made to pass through a solvent zone, characterized in that it comprises the step of using as solvent a mixture of tellurium, of HgTe and of CdTe ... | 05/05/1987 |
| 4659219 | System for detecting the angular position of a mechanical device The invention provides a system for detecting the angular position of a mechanical device. The invention consists in providing the image of a slit of predetermined width on a mirror firmly fixed to said mechanical device and in reflecting the image on a s... | 04/21/1987 |
| 4660079 | Receiving device in an asynchronous video information transmitting system This invention relates to digital transmission techniques whereby information produced in asynchronous form, for instance by variable-length coding and/or by conditional coding, is intended for transmission through a synchronous digital transmission path.... | 04/21/1987 |
| 4653091 | Supply for a subscriber control system The present invention relates to the D.C. supply for a subscriber control system, and consists essentially in supplying the control system from the exchange solely in response to a request, such request being emitted either by the exchange or by the contr... | 03/24/1987 |
| 4646328 | Frame alignment loss and recovery device for a digital signal A frame alignment loss and recovery device for a digital signal carrying a frame alignment N-bit word comprises an (N+2)-stage shift register receiving the digital signal at a timing frequency H, a buffer register for extracting (N+2)-bit words from the s... | 02/24/1987 |
| 4635430 | Device for dispensing optical fibers into helical grooves of a ring There is provided a device for dispensing optical fibers into helical grooves of a ring drawn through optical fiber cabling lines. The dispensing device comprises a holder rotating about the ring and including conduits each containing a grooved fiber-guid... | 01/13/1987 |
| 4619107 | Wheel for drawing helical groove ring for optical fibers A drawing wheel is intended for exerting tension on a grooved ring while optical fibers are being laid in helical grooves in the core, in order to stretch the ring in a cabling line. The invention is aimed at defining a radius for the wheel in terms of th... | 10/28/1986 |
| 4616256 | Television channel distribution network A subscriber television set terminal is linked to a distribution station receiving M television channels in a videocommunication network. The distribution station comprises as many individual channel selectors as there are television channels. A televisio... | 10/07/1986 |
| 4599527 | Device for stabilizing gain of a photosensitive avalanche member Gain of a photosensitive avalanche member, such as an avalanche photodiode, is stabilized so that a variation in gain of the photosensitive member in terms of temperature is compensated for by applying to the photosensitive member a bias voltage varying w... | 07/08/1986 |
| 4599700 | Process and device for digital frequency generation The present invention relates to frequency generation of digital type, said frequencies being able to take values included in the 0.4000 Hz band. The invention consists in using the periodicity of the sine function on (0,2 π), in making samples correspon... | 07/08/1986 |
| 4587801 | System for rotationally slaving an optical fiber feeding and dispensing device in a cabling line In an optical fiber cabling line where a ring having helical grooves is drawn at a constant translational speed by a main motor, there is provided a system for slaving a rotational speed of an optical fiber feeding and dispensing device driven by motor me... | 05/13/1986 |
| 4583108 | Image recording and reading apparatus The elementary memory cells of an image recording and readout apparatus are disposed in a staggered arrangement on a semiconductor substrate 61, each cell comprising a central transparent conducting electrode 66 connected to a column conductor 67 and a pe... | 04/15/1986 |
| 4580291 | Method for processing digital signals, and subscriber station for telecommunication and teledistribution A subscriber station receives and transmits, through two optical fibers, composite signals representative of various services as television signals, videophone signals, hifi sound signals, telephone signals, etc. The station controls exchanges between a s... | 04/01/1986 |
| 4578544 | Initialization device for echo cancelling device and application thereof to remote echos The present invention relates to echo cancelling techniques and more particularly to an initialization device for an echo cancelling system. The invention comprises means for converting a pseudo-random sequence (uk) of length N into a sequence ... | 03/25/1986 |
| 4571549 | 16-QAM Modulator with PLL amplification devices A 16-quadrature amplitude modulation (QAM) modulator for radio links converts a train of data into signals having a phase selected from sixteen predetermined phase values and an amplitude selected from four values. The modulator divides the data train int... | 02/18/1986 |
| 4570235 | Digital receiver of multifrequency signals with frequency recognition device The present invention relates to a digital frequency recognition device for a receiver of multifrequency PCM signals, and consists essentially in forming characteristic values V(fi) for each frequency fi, in forming characteristic va... | 02/11/1986 |
| 4569210 | Cooling controller utilizing the Joule-Thomson effect Controller for a cooling system utilizing the Joule-Thomson effect for a cryostat, wherein the expansible component consists of a metal rod (20) of very small diameter, inside and coaxial with the tubular envelope (7), one end (21) of this rod (20) is fix... | 02/11/1986 |
| 4566024 | Matrix infrared detector The detector of the invention comprises a first semi-conductor wafer of type n, or p, with zones of type p, or n, extending from one to the other of the two faces of the wafer, and a second wafer for processing the signals delivered by the wafer exposed t... | 01/21/1986 |
| 4551843 | Gas wave-guide laser generator The generator comprises an envelope and two mirrors defining a resonant cavity, in which is maintained a monolithic wave-guide with a capillary. The capillary is formed in a thinned portion of the guide. Two electrodes extend over the thinned portion of t... | 11/05/1985 |
| 4551845 | System for phasing digital trains and application thereof to the switching of said trains The instant invention relates to the phasing of digital trains containing identical data signals and clock signals of the same frequency. A data testing device compares the coincidence of the bits by packets of bits contained in the signals for emitting a... | 11/05/1985 |
| 4550403 | Method for transmitting a HDBn code signal with an auxiliary binary signal in a digital transmission line and system for monitoring repeaters in the line by means of auxiliary signals A signal in HDBn code is transmitted with an auxiliary binary signal having a lower bit-rate on a digital transmission line. The HDBn code signal comprises predetermined sequences each including n+1 elements, n-1 central elements being zeros and a last el... | 10/29/1985 |
