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1. 发明专利

JPH10326268A DEVICE FOR REDUCING COMPETING AND OPPOSITE STIMULUS SIMULATOR SICKNESS 失效
公开(公告)号：JPH10326268A
公开(公告)日：1998-12-08
申请号：JP33327297
申请日：1997-12-03
申请人： HUGHES AIRCRAFT CO
发明人： TIFFANY JOHN R
IPC分类号： A61F9/08 , G06F19/00 , G06Q30/00 , G06Q50/00 , G06T11/00 , G06T17/40 , G09B9/30 , G09B9/34 , G09G5/00 , G06F17/00
摘要： PROBLEM TO BE SOLVED: To provide a simulator in which an object is seemed to be approaching or moving back to a user, and also a video simulator leading sickness can be reduced. SOLUTION: This device is provided with a display device for displaying a simulation picture 98 for allowing a user to trace a main target object 100 which seems to be approaching or moving back to the user, and a simulator controller for inserting an complementary object 124 related with the main target object 100 into the simulation picture 98. In this case, the complementary object 124 is controlled so as to be seemed to be approaching or moving back to the user in the opposite direction to the main target object 100 so that the complementary object 124 can be turned into a display 124' reduced according as it moves back when the main target object 100 is turned into a display 100' enlarged according as it approaches.

2. 发明专利

JPH10290132A MULTI-PORT MICROWAVE RADIATION DEVICE SWITCHED ELECTRICALLY 失效
公开(公告)号：JPH10290132A
公开(公告)日：1998-10-27
申请号：JP8812797
申请日：1997-04-07
申请人： HUGHES AIRCRAFT CO
发明人： JOHN W JARSTENBERG , KEN W BROWN
IPC分类号： H03F3/64 , H01P1/14
摘要： PROBLEM TO BE SOLVED: To provide the microwave radiation system whose lots of output signals are switched at a high speed and which requires low drive power. SOLUTION: The system is provided with a hollow microwave cavity 26 having an input port 30 and two output ports or over, a single microwave signal source such as a magnetron connecting to the input port 30 of the microwave cavity 26, microwave barriers 38a-38d each placed to each output port respectively, provided with an electric signal input section and controlled electrically and through biasing, and a switching circuit including a voltage source for each electric signal input to the microwave barriers 38a-38d. When biased, the microwave barriers 38a-38d are discharged to generate a plasma and reflect a microwave, and then emit a microwave only in a direction of the microwave barriers which are not biased.

3. 发明专利

JPH10232417A LOOP PHASE CONJUGATE MIRROR FOR UNPOLARIZED BEAM 失效
公开(公告)号：JPH10232417A
公开(公告)日：1998-09-02
申请号：JP29871397
申请日：1997-10-30
申请人： HUGHES AIRCRAFT CO
发明人： BETIN ALEXANDER A , MANGIR METIN S
IPC分类号： G02F1/35 , H01S3/083 , H01S3/10 , H01S3/108
摘要： PROBLEM TO BE SOLVED: To use a unpolarized beam of signal by providing a polarization splitting device for splitting a beam of signal into orthogonal polarization components and a polarization mixer for mixing energy from the orthogonally polarized light components. SOLUTION: Polarized light splitting device 10 splits a beam of signal ε1 into two orthogonally polarized light components ε11 and ε12 and guides them to a nonlinear medium 12. Relay optical systems 14, 16 guide loop beam components ε21 , ε22 appearing from a nonlinear medium 12 so as to return them to the nonlinear medium 12, and these optically interfere the signal beam components ε11 , ε12 in the nonlinear medium 12 for forming a refractive index grating 18. A polarized light mixer 19 mixes energy from the orthogonally polarized light loop components ε21 , ε22 . An oscillation beam ε3 with orthogonally polarized light components ε31 , ε32 is grown up from optical noises of resonance/loop, and oscillates in an opposite direction to the propagation of the loop beam components ε21 , ε22 due to irreversible losses introduced by an optical diode 20.

4. 发明专利

JPH10190333A COMPLEMENTARY BOW TIE SHAPE ANTENNA 失效
公开(公告)号：JPH10190333A
公开(公告)日：1998-07-21
申请号：JP22247197
申请日：1997-08-19
申请人： HUGHES AIRCRAFT CO
发明人： YONEZAKI MICHAEL S
IPC分类号： H01Q21/08 , G01S7/03 , H01Q1/28 , H01Q1/36 , H01Q1/38 , H01Q5/00 , H01Q9/04 , H01Q9/28 , H01Q9/40 , H01Q9/42 , H01Q21/06 , H01Q21/28
摘要： PROBLEM TO BE SOLVED: To execute a low frequency function in a state where influence on the radiation of an X-band radiator array and a radar section characteristic is minimum by forming a low resistance thin film by complementary partial bow tie shape patterns from which the low resistant thin film is removed by the partial bow tie shape patterns. SOLUTION: The low resistant thin film 60 which is formed on a dielectric sheet and has specific resistance which gradually increases to a high specific resistance in an end part 54 on the opposite side of a feed end part from low specific resistance in the feed end part 52 and a feed circuit 100 which is electrically connected to the resistance thin film 60 in the position 66A of a thin film having low specific resistance in the resistant thin film 60 are provided. The resistance thin film 60 is formed by the complementary partial bow tie shape pattern from which the low resistance thin film 60 is removed by the partial bow tie-type patterns 68A and 68B. Thus, low resistant coating by the resistant thin film 60 'relieves' the influence of a metallic end part and operates a bow tie shape antenna like an indefinite length antenna.

5. 发明专利

JPH10153752A AUTOMATIC ALIGNING SYSTEM FOR TARGET PROJECTOR 失效
公开(公告)号：JPH10153752A
公开(公告)日：1998-06-09
申请号：JP16770497
申请日：1997-06-24
申请人： HUGHES AIRCRAFT CO
发明人： DUGDALE JON
IPC分类号： G02B27/18 , G03B21/10 , G06G7/48 , G09B9/32 , H04N5/66 , H04N5/74
摘要： PROBLEM TO BE SOLVED: To provide a projection system which projects an angleadjustable visible image of the target projector of a simulator system that can be aligned accurately, simply, and easily. SOLUTION: This system is equipped with a display screen, an image projector 52, an optical device 60 which is arranged in the optical path between them and adjust the angle at the position of the visible image projected on a display screen in response to an angle adjustment command, a device, which generates a reference pattern of a light spot on the display screen, a sensor device 70, which generates a sensor signal by sending the position of the light spot regarding a sensor reference point, and a controller 64, which controls the optical device in maintenance mode in response to the sensor signal so that the optical device 60 is aligned with the light spot of the reference pattern, and the controller 64 is equipped with a memory device 64A, which stores angle adjustment command data for controlling the optical device 60 in operation mode.

6. 发明专利

JPH10117483A MULTIPLE OUTPUT SERIES RESONANCE VHF INVERTER WHICH SWITCHES AT NULL VOLTAGE 失效
公开(公告)号：JPH10117483A
公开(公告)日：1998-05-06
申请号：JP17233397
申请日：1997-06-27
申请人： HUGHES AIRCRAFT CO
发明人： HONG WILBUR E , LUSHER DAVID M , HWANG WILLIAM B
IPC分类号： H02J3/38 , H02M7/537 , H02M7/48
摘要： PROBLEM TO BE SOLVED: To provide a VHF DC-AC inverter, which can efficiently supply a plurality of outputs. SOLUTION: This DC-AC inverter is provided with a switching means 13, such as a transistor connected between a source of supply voltage +VIN and a source of reference voltage (ground potential), a first resonance waveform formation network which responds to the switching means, a first load circuit 33 which responds to the first resonance waveform formation network, a second resonance waveform formation network which responds to the switching means 13, and a second load circuit 43 which responds to the second resonance waveform formation network. The first resonance circuit includes a first capacitor connected in parallel to the switching means 13 and a series circuit of an inductance L11 and a second capacitor C12, which is inserted between the power supply-side terminal of the switching means and the load circuits 33. The second resonance circuit includes a first capacitor connected in parallel to the switching means 13 and a series circuit of an inductance L21 and a second capacitor C21 which is inserted between the switching means and the load circuit 43.

7. 发明专利

JPH1073651A SATELLITE POSITION ESTIMATION PROCESS DETERMINATION SYSTEM USING GAS TRACKING TECHNIQUE 失效
公开(公告)号：JPH1073651A
公开(公告)日：1998-03-17
申请号：JP12600097
申请日：1997-05-15
申请人： HUGHES AIRCRAFT CO
发明人： MALLA RAJENDRA P
IPC分类号： G01C15/00 , G01S1/00 , G01S19/48 , G01S5/14 , G01S5/02
摘要： PROBLEM TO BE SOLVED: To determine the position estimation process of a middle and high orbit satellite exactly, in real time and autonomically by sending information of position estimation process concerning the earth and time with a plurality of arranged transmitters by means of communication processing through the satellite. SOLUTION: A geostationary earth orbit(GEO) satellite 12 loading a GPS flying receiver receives GPS signals leaked from the edge of the earth with GPS satellites 14 and 16. It also receives GPS-like signals from pseudosatellites 18, 20, 22 and 24 tactically arranged on the earth surface 30. Each pseudosatellite is on the coordinate position recognized with high accuracy for reference to frame of the earth, and even in the case this exact coordinate is useful for the correction of exact orbit of the GEO satellite 12 even in the case that a deciphering module can not be used. Therefore, owing to the tactical arrangement of each pseudosatellite, the GEO satellite 12 can perform autonomic flight orbit determination and the like with high accuracy. In this manner, by using one or more GPS pseudosatellites and GPS satellite transmitters, the position estimation process of middle and high altitude orbit satellite can be determined exactly, in real time and autonomically.

8. 发明专利

JPH1068775A MULTIPLE PULSE, MULTIPATH REFLECTION, MODAL DISTANCE MEASURING DEVICE FOR ELIMINATING CLUTTER 失效
公开(公告)号：JPH1068775A
公开(公告)日：1998-03-10
申请号：JP11316497
申请日：1997-04-30
申请人： HUGHES AIRCRAFT CO
发明人： DAVID FINK , HALMOS MAURICE , DAVID GORAN
IPC分类号： G01B11/00 , G01S7/48 , G01S7/481 , G01S7/487 , G01S7/497 , G01S17/10
摘要： PROBLEM TO BE SOLVED: To provide a laser distance measuring device usable for a rifle gun in which clutter eliminating characteristic is improved. SOLUTION: A device has a beam generating means generating a plurality of successive beam pulse and a beam detecting means 24 detecting a plurality of reflected beams reflected from a target object irradiated by the beam pulse and generating an analog reflection signal representing the reflected beam and a processing means 34 for processing the analog reflection signal which contains a count table defining a series of distance bins each of which representing the range of a distance from the device. The processing means 34 adds count to respective distance bins that the analog reflection signal satisfies specific condition in the bin to respective beam pulse.

9. 发明专利

JPH1065253A SAFE-TO-EYES LASER TRANSMITTER WITH SINGLE RESONATOR CAVITY FOR PUMPING LASER AND OPTICAL PARAMETRIC OSCILLATOR 失效
公开(公告)号：JPH1065253A
公开(公告)日：1998-03-06
申请号：JP11698397
申请日：1997-05-07
申请人： HUGHES AIRCRAFT CO
发明人： STULTZ ROBERT D
IPC分类号： G02F1/39 , G01S17/10 , H01S3/081 , H01S3/108 , H01S3/113
摘要： PROBLEM TO BE SOLVED: To provide a laser system, which uses identical optical cavity for a pumping laser and an optical parametric oscillator. SOLUTION: A transmitter, which is safe to the eyes of a human being, of a laser system 10 has a single resonator cavity 16 for both a pumping laser and an optical parametric oscillator 28. A neodymium-doped yttrium aluminium garnet (Nd:YAG) rod 22 provided with respect to a gain of a first-wavelength- light. This light is Q-switched 24, and then the intensity of the light is increased. The oscillator 28 converts the first-wavelength light into second wavelength light which does not injure the eyes.

10. 发明专利

JPH1063821A COMPOSITION OF ENTIRELY CIRCULAR APERTURE SCENE WITH SUPER HIGH RESOLUTION USING ROTARY STRIP APERTURE VIDEO MEASUREMENT 失效
公开(公告)号：JPH1063821A
公开(公告)日：1998-03-06
申请号：JP11762197
申请日：1997-04-21
申请人： HUGHES AIRCRAFT CO
发明人： HUNT BOBBY R , RAFANELLI GERARD L , SEMENTILLI PHILLIP J , MOUNT SUSAN B , BISBEE ALBERT M , MONTGOMERY JAMES F , JOHNSON STEPHEN K
IPC分类号： G01J1/02 , G01J1/42 , G01R29/08 , G01S3/786 , G06T1/00
摘要： PROBLEM TO BE SOLVED: To attain improvement in high resolution by equipping a rotary strip aperture telescope with a strip aperture primary and a secondary reflector, a detector array, and a rotary compensating device, rotating a strip aperture, and composing super high resolution evaluation of a scene from an image exceeding a spatial frequency larger than the spatial frequency cutoff of the strip aperture. SOLUTION: The telescope 11 is arranged on a platform 14 and a sensor system 10 records target information obtained by the telescope 11 when the primary reflector 12a rotates on the optical axis of the telescope 11. A hairline stabilizing reflector 15 and an image rotation removing device 16 are so constituted as to stabilize image and remove rotation. The rotation removing device 16 rotates an image reversely during the integration time of detectors constituting a detector array 17 and supplies a still image. The hairline stabilizing reflector 15 removes errors for track dynamics of the system 10. The target scene is imaged on the detector array 17 on the focal plane of the telescope 11.

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