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公开(公告)号：EP0247612B1
公开(公告)日：1993-08-04
申请号：EP87107754.1
申请日：1987-05-27
CPC分类号： G01S13/765 , G01S13/78 , G01S13/825 , G06K7/0008 , G06K19/0723 , G07C3/00 , G07C9/00111
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公开(公告)号：EP0186496A2
公开(公告)日：1986-07-02
申请号：EP85309418.3
申请日：1985-12-23
CPC分类号： H01Q25/001 , H01Q19/132
摘要： An antenna system comprises a reflector which is a part of a paraboloid of revolution or parabolic cylinder, a primary radiator for clockwise circulatory polarized wave, and a primary radiator for counterclockwise circularly polarized wave. The reflector is of geometrically asymmetrical shape to effect different reflection properties for clockwise and counterclockwise circular polarizations. The primary radiators are fixed at two different positions in the vicinity of the focus of the paraboloid reflector.
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公开(公告)号：EP0288035B1
公开(公告)日：1996-07-10
申请号：EP88106322.6
申请日：1988-04-20
CPC分类号： H03C1/60 , H03C7/027 , H03C2200/0033 , H03C2200/007
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公开(公告)号：EP0288035A3
公开(公告)日：1990-02-07
申请号：EP88106322.6
申请日：1988-04-20
CPC分类号： H03C1/60 , H03C7/027 , H03C2200/0033 , H03C2200/007
摘要： The SSB modulator according to the present invention is comprised of a driving voltage generator (5), a diode (3), a bias supply circuit (4), an impedance transformation circuit (2) and an input/output terminal (1). It is so arranged in the SSB modulator that the impedance of the diode (3) is changed by changing the driving voltage impressed to the diode (3), resulting in the mismatching of the impedance, which leads to generation of the reflected wave. Therefore, by changing the amplitude and the phase of the above-obtained reflected wave, SSB modulation is effected. Accordingly, the SSB modulator of the present invention requiring no particular side band filter is compact in size, light and weight and low in manufacturing cost, with a simple structure of the circuit.
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公开(公告)号：EP0247612A2
公开(公告)日：1987-12-02
申请号：EP87107754.1
申请日：1987-05-27
CPC分类号： G01S13/765 , G01S13/78 , G01S13/825 , G06K7/0008 , G06K19/0723 , G07C3/00 , G07C9/00111
摘要： A microwave data transmission apparatus adapted to transmit and receive information by microwaves, which the identification tag is made smaller in size and lighter in weight to considerably improve the convenience in setting operation for use in many applications, can be applied for the production control within the factory or the control for entering and leaving the room by a person having an identification |tag.
摘要翻译： 一种具有询问器的微波数据传输装置，具有用于发送具有调制周期和非调制周期的微波信号的发送装置和接收微波信号的接收装置，以及具有检测微波的发送装置的识别标签 从询问器发送的信号，用于在微波信号的非调制周期期间基于存储器部分的数据相对于载波的调制，以便相对于询问器在调制之后传送微波信号。
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公开(公告)号：EP0186496B1
公开(公告)日：1991-12-18
申请号：EP85309418.3
申请日：1985-12-23
CPC分类号： H01Q25/001 , H01Q19/132
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公开(公告)号：EP0247612A3
公开(公告)日：1989-12-13
申请号：EP87107754.1
申请日：1987-05-27
CPC分类号： G01S13/765 , G01S13/78 , G01S13/825 , G06K7/0008 , G06K19/0723 , G07C3/00 , G07C9/00111
摘要： A microwave data transmission apparatus adapted to transmit and receive information by microwaves, which the identification tag is made smaller in size and lighter in weight to considerably improve the convenience in setting operation for use in many applications, can be applied for the production control within the factory or the control for entering and leaving the room by a person having an identification |tag.
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公开(公告)号：EP0288035A2
公开(公告)日：1988-10-26
申请号：EP88106322.6
申请日：1988-04-20
CPC分类号： H03C1/60 , H03C7/027 , H03C2200/0033 , H03C2200/007
摘要： The SSB modulator according to the present invention is comprised of a driving voltage generator (5), a diode (3), a bias supply circuit (4), an impedance transformation circuit (2) and an input/output terminal (1). It is so arranged in the SSB modulator that the impedance of the diode (3) is changed by changing the driving voltage impressed to the diode (3), resulting in the mismatching of the impedance, which leads to generation of the reflected wave. Therefore, by changing the amplitude and the phase of the above-obtained reflected wave, SSB modulation is effected. Accordingly, the SSB modulator of the present invention requiring no particular side band filter is compact in size, light and weight and low in manufacturing cost, with a simple structure of the circuit.
摘要翻译： 根据本发明的SSB调制器包括驱动电压发生器（5），二极管（3），偏置电源电路（4），阻抗变换电路（2）和输入/输出端子（1）。 在SSB调制器中，通过改变施加到二极管（3）的驱动电压来改变二极管（3）的阻抗，导致阻抗失配，导致反射波的产生。 因此，通过改变上述反射波的振幅和相位，实现SSB调制。 因此，采用简单的电路结构，本发明的SSB调制器的尺寸，重量轻，制造成本低，不需要特别的边带滤波器。
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公开(公告)号：EP0186496A3
公开(公告)日：1987-08-19
申请号：EP85309418
申请日：1985-12-23
CPC分类号： H01Q25/001 , H01Q19/132
摘要： An antenna system comprises a reflector which is a part of a paraboloid of revolution or parabolic cylinder, a primary radiator for clockwise circulatory polarized wave, and a primary radiator for counterclockwise circularly polarized wave. The reflector is of geometrically asymmetrical shape to effect different reflection properties for clockwise and counterclockwise circular polarizations. The primary radiators are fixed at two different positions in the vicinity of the focus of the paraboloid reflector.
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