| Patent Number |
Title Of Patent |
Date Issued |
| 4622509 |
Method of and circuit for Ni-Cd battery charge control |
November 11, 1986 |
| Method of and circuit for Ni-Cd battery charge control, particularly on low earth orbit spacecraft, according to which battery charge is terminated when the battery temperature starts to increase following a decrease at the end of charge. The temperature of the battery is sensed at indiv |
| 4604712 |
Apparatus for controlling reproduction of text characters whose form depends on adjacency of oth |
August 5, 1986 |
| A digital control device is used with a character generator for producing text in a typescript having multiform characters, such as Arabic script. The character generator includes a character store with a base page section to store codes identifying the base body of the characters and at |
| 4591730 |
Master clock generator for telecommunications system |
May 27, 1986 |
| A very stable master clock for satellites is disclosed. Time division multiple access techniques are used to permit individual earth stations to be received by the satellite in separate non-overlapping time slots. The satellite switched time division multiple access systems are compatibl |
| 4586051 |
Reflector distortion compensation system for multiple-beam wave satellite antennas |
April 29, 1986 |
| The present invention is directed to a multibeam antenna reflector distortion compensation system comprising at least one remote reference radio frequency transmitter cooperating with a feed cluster of a beam forming network which includes one central and at least two peripheral feed |
| 4584534 |
Method and apparatus for demodulating a carrier wave which is phase modulated by a subcarrier wa |
April 22, 1986 |
| The invention relates to a method for demodulating a carrier wave which is phase modulated by a subcarrier wave which is phase shift modulated by baseband signals and applies especially to data transmission between a spacecraft and a ground station. The technological problem addressed is |
| 4571563 |
Integrated microwave filter and method of constructing same |
February 18, 1986 |
| Cascaded dual-mode resonance cavities are separated by plates having each a cruciform iris therein, the arms of which have lengths determined by a direct and precise procedure starting from a conventional Butterworth prototype filter. The transfer function parameters are altered to chang |
| 4562430 |
Position detection device for magnetic bearing |
December 31, 1985 |
| A device comprising a capacitive transducer comprised of a fixed member comprising first and second axially separated equal diameter metallic electrode rings and a movable member comprised of a thin walled metallic cylinder separated from the fixed member by an annular gap such that said |
| 4556182 |
Device for the orientation and the positioning of a useful load |
December 3, 1985 |
| The present device comprises in combination a first element consisting of a base plate (8), at least a second element having a substantially cylindrical shape (9), of which one of its faces is in an inclined plane, at least a third element having a substantially cylindrical shape (10) of |
| 4544901 |
Microwave filter structure |
October 1, 1985 |
| A structure comprising a cascade of dual mode resonance cavities wherein each cavity has a pair of tuning screws located at 90.degree. to each other in a sectional plane of the cavity and a coupling screw located at 45.degree. to the tuning screws for coupling the two resonances supporte |
| 4529927 |
Apparatus for the control of a switched power regulator |
July 16, 1985 |
| A controller apparatus comprising a phase-locked loop circuit which includes a phase comparator and a low-pass filter connected to accept a signal representing the switching frequency of the apparatus and an external frequency signal to produce a control signal for a controllable swi |
| 4504033 |
Stabilizing device for gyroscope effect apparatus such as a space craft or vehicle, especially w |
March 12, 1985 |
| The nutation damper comprises a closed flow path for a dense liquid, which may be a propellent and a pump for setting the liquid in periodic motion, thereby to dissipate or generate rotational energy controlled by a detector sensitive to a parameter relating to the nutation angle, ac |
| 4461816 |
Solid lithium nitride electrolyte battery comprising lithium alloy anode |
July 24, 1984 |
| The present invention discloses an electrochemical generator which comprises an anode formed from an alloy comprising 65 to 85% of lithium and 15 to 35% of lead or a mixture of lead and tin and a cathode formed of a material capable of undergoing intercalation reactions while reacting |
| 4417772 |
Method and apparatus for controlling the energization of the electrical coils which control a ma |
November 29, 1983 |
| This invention applies to a magnetic bearing comprising stator and rotor members positioned coaxially with each other in the same plane with an annular gap therebetween, and electrical coils located in pairs on each axis in the plane. According to the invention, the control of the en |
| 4407441 |
Method of welding an aluminium object to a stainless steel object |
October 4, 1983 |
| The surface of the stainless steel object to be welded is flame sprayed with a powder mixture of aluminium and a metal having a high melting point, e.g. nickel, to form a thin film undercoat which in turn is flame sprayed with a layer of very pure aluminium. The aluminium object is then |
