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    MAGNETIC PROXIMITY FUSE
    34.
    发明专利
    MAGNETIC PROXIMITY FUSE 失效

    公开(公告)号：JPH06207800A

    公开(公告)日：1994-07-26

    申请号：JP29471193

    申请日：1993-10-28

    Applicant: BOFORS AB

    Inventor： ERIZABESU PETERUSON ,  RAGUNARU FUORUSUFUBUTSUDO

    IPC: F42C13/08

    Abstract: PURPOSE: To provide a passive magnetic proximity fuse which initiates the charge of a charge carrier 1, such as a guided missile, a shell or a grenade, when the charge carrier 1 passes within a certain distance from a ferromagnetic object. CONSTITUTION: This proximity fuse includes at least one sensor 4 for sensing the deflection of terrestrial magnetic field and at least one position-sensing element gyroscope or an accelerometer 6 for sensing the movement of a charge carrier 1 itself, and provided with a signal processing unit 5 which produces an effective output signal iout associated with the deflection of the terrestrial magnetic field only at deflection of the terrestrial magnetic field caused by the ferromagnetic object 3.

    MEASURING DEVICE FOR POSITION OF ROLL
    35.
    发明专利
    MEASURING DEVICE FOR POSITION OF ROLL 失效

    公开(公告)号：JPH0225698A

    公开(公告)日：1990-01-29

    申请号：JP12270789

    申请日：1989-05-16

    Applicant: BOFORS AB

    Inventor： RARUSUUERIKU SUKAIERURUNDO

    IPC: F41G7/00 ,  F41G7/24 ,  F41G7/30 ,  F42B10/26

    Abstract: PURPOSE: To transmit angular information in a simple and definite mode to a projectile, a missile, or the like, by an arrangement wherein a polarized radiation includes at least two mutually phase-interlocked radiation components of specified wavelength relationship superposed to have an asymmetric waveform. CONSTITUTION: A transmitter 2 having direct relationship with a launching point transmits a polarized electromagnetic radiation and a projectile has a receiving antenna 3 directed rearward. Based on a signal being produced when the polarized plane of radiation transmitting the roll position of the projectile corresponds to the polarized plane of the receiver, the roll position of the projectile can be measured at a relatively high accuracy but ambiguity of one half revolution is incident thereto. In order to achieve total ambiguity, the polarized microwave radiation includes two mutually fixed components of the wavelength relationship of 2:1 and/or multiples thereof. An asymmetric waveform is obtained when two transmitted microwave components are superposed. Ambiguity can be eliminated by the an asymmetric curve and the roll position of the projectile can be determined definitely.

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