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    • 53. 发明授权
    • Camera with digital control device
    • 摄像头配有数字控制装置
    • US4079386A
    • 1978-03-14
    • US678558
    • 1976-04-20
    • Hiroyashu MurakamiTadashi ItoFumio ItoNobuaki SakuradaMasaharu KawamuraNobuhiko Shinoda
    • Hiroyashu MurakamiTadashi ItoFumio ItoNobuaki SakuradaMasaharu KawamuraNobuhiko Shinoda
    • G01D5/245G03B7/091G03B7/095G03B17/18G08C25/00G03B17/00G03B7/08
    • G03B7/095
    • The present invention relates to a camera with a displacement means for controlling the exposure amount as the function of the mechanical displacement position. The displacement means are so designed that a brush is slid over a comb-shaped conductive pattern mechanically linked with the displacement means so as to convert the displacement position of the displacement means into a pulse number. Further, when the pulse number reaches a certain determined value, the displacement means is stopped in such a manner that the pulse number corresponds with the exposure amount and characterized in that, by determining the position at which each conductor of the comb-shaped conductive pattern is provided, relative to the position at which the displacement means stops in accordance with the displacement speed of the displacement means, the displacement amount of the displacement means due to the time delay since the pulse number reaches a certain determined amount till the displacement means actually stops is compensated so that the pulse number always corresponds with the displacement position in a precise way.
    • 本发明涉及具有用于控制作为机械位移位置的函数的曝光量的位移装置的照相机。 位移装置被设计成使得刷子在与位移装置机械连接的梳状导电图案上滑动,以将位移装置的位移位置转换成脉冲数。 此外,当脉冲数达到一定的确定值时,位移装置以脉冲数对应于曝光量的方式停止,其特征在于,通过确定梳状导电图案的每个导体的位置 相对于位移装置根据位移装置的移动速度而停止的位置,由于脉冲数达到一定的确定量而导致的时间延迟的位移量,直到位移装置实际上 停止被补偿,使得脉冲数总是以精确的方式与位移位置对应。
    • 57. 发明授权
    • Multiband mobile unit communication apparatus
    • 多频带移动单元通信装置
    • US5852784A
    • 1998-12-22
    • US813117
    • 1997-03-07
    • Fumio ItoSeiichi YamaguchiFujio SasakiHiroaki Kosugi
    • Fumio ItoSeiichi YamaguchiFujio SasakiHiroaki Kosugi
    • H03D7/16H03J5/24H04B1/26H04B1/30H04B1/40H04Q7/38
    • H04B1/0057H03D7/161H03D7/165H03J5/244H04B1/005H04B1/006H04B1/26H04B1/30H04B1/406
    • A multiband mobile unit communication apparatus is disclosed which comprises: an antenna for receiving 1st and 2nd bands of radio wave SIGs including quadrature modulation SIGs; a 1st LO CKT for generating a 1st LO SIG; 1st and 2nd receiving CKTs for generating 1st and 2nd IF SIGs from the 1st and 2nd bands of radio wave SIGs using the 1st LO SIG respectively; a switching CKT responsive to a switching control SIG indicative of 1st and 2nd modes for outputting the 1st IF SIG in the 1st mode and outputting the 2nd IF SIG in the 2nd mode; a 2nd LO CKT for generating 2nd and 3rd LO SIGs in the 1st and 2nd modes respectively; and a quadrature demodulation CKT for demodulating and outputting quadrature SIGs from an output from the switching CKT using the 2nd and third LO SIGs in the 1st and 2nd modes respectively. The 2nd LO CKT comprises: a local oscillator for generating a 4th LO SIG, a FRQ divider for dividing the 4th LO SIG with a given divisor and generating the 2nd LO SIG; and a switch for outputting the 2nd LO SIG in the 1st mode and outputting the 4th LO SIG as the 3rd LO SIG in the 2nd mode in response to the switching control SIG. The given divisor corresponds to a ratio between center FRQs of the 1st and 2nd IF SIGs. The 2nd LO CKT may change the LO FRQ by switchably connecting resonating elements to an oscillator.
    • 公开了一种多频带移动单元通信装置,其包括:用于接收包括正交调制SIG的无线电波SIG的第一和第二频带的天线; 用于产生第一LO SIG的第一LO CKT; 第一和第二接收CKT,用于分别使用第一LO SIG从无线电波SIG的第一和第二频带产生第一和第二IF SIG; 切换CKT,响应于指示用于在第一模式中输出第一IF SIG的第一和第二模式的切换控制SIG,并将第二IF SIG输出到第二模式; 分别在第1和第2模式中产生第2和第3 LO信号的第二LO CKT; 以及正交解调CKT,用于分别使用第一和第二模式中的第二和第三LO SIG从来自开关CKT的输出解调和输出正交SIG。 第二LO CKT包括:用于产生第四LO SIG的本地振荡器,用于将第四LO SIG与给定除数分开并生成第二LO SIG的FRQ分频器; 以及用于在第一模式下输出第二LO SIG并且响应于切换控制SIG将第四LO SIG作为第三LO SIG输出到第二模式的开关。 给定的除数对应于第一和第二IF SIG的中心FRQ之间的比率。 第二LO CKT可以通过将谐振元件可切换地连接到振荡器来改变LO FRQ。