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    • 1. 发明专利
    • IR DETECTOR DEVICE
    • JP2001147161A
    • 2001-05-29
    • JP2000287487
    • 2000-09-21
    • ISRAEL STATE
    • MORDECHAI SIMCHONNETA AVRAHAM
    • G01J1/02F25B9/02G01J5/02G01J5/06G01J5/28
    • PROBLEM TO BE SOLVED: To provide a small sized IR detector device comprising a cooler tube with a sufficient length for securing pre-cooling effect. SOLUTION: An IR detector device comprising a casing 15 provided with an IR transmitting window 16, a cold shield 10 having a filter 14, a detector 13, a pre-cooling jacket 22 with a gas inlet 27 and a gas outlet 28, accommodating cooler tubes 20a, 20b having a gas inlet 27 and an expansion nozzle 32. The cooler tube 20a (20b) comprises a first part starting from the gas inlet 27, a second part ending with the expansion nozzle 32, and a connection part thereof. The pre-cooling jacket 22 comprises a first part accommodating the first part of the cooler tube 20a (20b), a second part accommodating the second part of the cooler tube 20a (20b), and a part accommodating the connection part. The first part of the jacket 22 forms a space to enclose the second part therein, where the second part is included to provide the structure which gives no influence to the overall size of the detector device.
    • 2. 发明专利
    • SYSTEM TO MEASURE TURNING ANGLE OF MOBILE OBJECT
    • JPH07270143A
    • 1995-10-20
    • JP27924894
    • 1994-11-14
    • ISRAEL STATE
    • DAN SUPEKUTAAMOODECHIYAI KIINANSHIYUMIYUERU BONEE
    • G01B11/26F41G7/30
    • PURPOSE: To measure deviations from an absolute angle of a moving object and its trajectory by arranging at least three radiation detectors, which are not mutually arranged in order in the movable object and emitting a radiation beam rotating around an axis fixed in the space, and measuring a frequency of the radiation beams intersecting the detector. CONSTITUTION: A laser beam 11 from an emitter 13 is rotated around an axis 10 toward a target 12. On the other hand, an angle between the rotation axis O-Q of a moving object 15 and the rotation axis 10 is actually slight and can be ignored. Three detectors A, B, C are arranged symmetrically on a circle in the movable object 15. Every time the beam intersects the respective detectors A-C, a group of signals or pulses is generated. Then, a relative rotation angle and a rotation reference plane 16 are decided on the basis of the interception frequency, and the beam is modulated while using an angle between the plane fixed in the beam and the reference plane 16 as a function. Then, a beam angle is decided on the basis of the modulation when scanning is carried out over the object rotation axis O-Q by the beam, and an absolute rotation angle as the algebraic sum of the relative rotation angle and the beam angle is decided.
    • 7. 发明专利
    • OPTICAL SIGHTING SYSTEM FOR GUN LOADED ON MOVABLE BODY
    • JPH03170907A
    • 1991-07-24
    • JP23691290
    • 1990-09-05
    • ISRAEL STATE
    • OOREN AHARON
    • F41G3/22G02B23/00
    • PURPOSE: To allow a commander to engage in aiming and distance measuring with shooter by projecting a measure in an optical mirror also in the sight of the commander through first and second window/relection plates at the time of rotating a head mirror by an electronic shooting control means to aim a gun at a target. CONSTITUTION: A collimator 8 which projects the measure in the optical mirror on a freely rotatable head mirror 10 has a monochromatic light source practically. An auxiliary aiming means for commander is provided with a first window/reflection mirror 13 which faces the head mirror 10 or a prism 9, a second window/reflection plate 14 which is separated from the first window/ reflection plate 13 in the perpendicular direction, and a means which transmits light between first and second window/reflection plates 13 and 14 so that the measure or a point in the optical mirror is directly or optically transmitted to and projected on the sight of the commander. First and second window/ reflection plates 13 and 14 allow ambient light to pass through and reflect the monochromatic light reaching from the collimator 8. Thus, the commander can engage in aiming and distance measurement with the shooter.