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    • 1. 发明授权
    • Data transmission system with data verification
    • 数据传输系统具有数据验证功能
    • US4839642A
    • 1989-06-13
    • US106938
    • 1987-10-08
    • James E. BatzDennis J. MartellSteven A. Overmyer
    • James E. BatzDennis J. MartellSteven A. Overmyer
    • G01D4/00H04Q9/14
    • G01D4/006H04Q9/14Y02B90/243Y04S20/325
    • A system for selectively obtaining information from a plurality of remotely located data indicating devices includes an interrogate source and a plurality of transponders each associated with a different one of the data indicating devices. The interrogate source transmits an interrogate signal for effecting the readout of a selected indicating device, the interrogate signal being a high frequency carrier amplitude modulated with a pair of low frequency signals to represent an eight bit sync code word, a four bit command word and a twenty-eight bit identification code word for addressing a selected transponder. Each transponder includes a receiver which detects the low frequency modulating signals and generates a short duration pulse corresponding to the leading edge of each modulating signal, a processor operating under program control to check on a bit-by-bit basis each bit of the sync code word and of the identification code word as it is received by timing the duration between the receiver generated pulses, and to thereafter compare the first eight bits with a stored sync word and the bits corresponding to the identification word with a stored identification word, the processor responding to the interrogate signal to activate a transmitter to transmit the information provided by the associated indicating device only if the signals detected by the receiver are within a preselected range of frequencies and if a valid sync word and a valid identification word are received.
    • 用于从多个远程位置的数据指示装置中选择性地获取信息的系统包括询问源和多个与不同数据指示装置相关联的转发器。 询问源发送询问信号以进行所选择的指示设备的读出,询问信号是用一对低频信号调制的高频载波振幅,以表示八位同步码字,四位指令字和 用于寻址所选转发器的二十八位识别码字。 每个应答器包括一个接收机,它检测低频调制信号并产生一个对应于每个调制信号的前沿的短持续时间脉冲,一个在程序控制下操作的处理器,以逐位检查同步码的每一位 字和识别码字,因为它是通过定时接收器产生的脉冲之间的持续时间来接收的,并且此后将前8位与存储的同步字和与识别字对应的位与存储的识别字进行比较,处理器 只有当接收机检测到的信号处于预选的频率范围内并且如果接收到有效的同步字和有效的识别字时,响应询问信号激活发射机才发送由相关的指示装置提供的信息。
    • 3. 发明授权
    • Electronic martial arts training device
    • 电子武术训练器材
    • US4974833A
    • 1990-12-04
    • US351009
    • 1989-05-21
    • Kenneth D. HartmanSteven A. Overmyer
    • Kenneth D. HartmanSteven A. Overmyer
    • A63B24/00A63B69/00A63B69/32
    • A63B69/004A63B2220/801A63B2220/833A63B69/0053Y10S482/901
    • An electronic martial arts training device is disclosed. The martial arts training device of the present invention includes a pliable substrate of sufficient thickness to absorb a full impact martial arts blow without injuring the deliverer thereof. A pictorial representation of a martial arts combatant is disposed on one surface of the pliable substrate and a plurality of target lights are disposed within the pliable substrate beneath the pictorial representation at locations which correspond to the "vital-points" of the pictured combatant. Mounted within the pliable substrate in conjunction with each target light is a miniature loud speaker having a vibratable cone and a pair of electrical terminals which are coupled to the vibratable cone via a movable coil. Vibrations induced into the vibratable cone by the impact of a martial arts blow will result in an electrical signal being generated at the electrical terminals. A control circuit is then utilized to selectively illuminate the target lights and couple the electrical signal output by each associated miniature loud speaker to a scoring indicator which provides an indication of a student's proficiency.
    • 公开了一种电子武术训练装置。 本发明的武术训练装置包括具有足够厚度的柔韧基底,以在不损伤其传送器的情况下吸收全冲击武术打击。 武术战斗员的图形表示设置在柔性基底的一个表面上,并且多个目标光在与图形战斗员的“重要点”相对应的位置处在图示表示下方的柔性基底内设置。 与每个目标光一起安装在柔性基底内的是具有可振动锥体和通过可动线圈联接到可振动锥体的一对电端子的微型扬声器。 通过武术冲击的冲击而引入振动锥体的振动将导致在电气端子处产生电信号。 然后使用控制电路来选择性地照亮目标光并将每个相关小型扬声器输出的电信号耦合到提供学生熟练程度指示的评分指标。