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    • 81. 发明授权
    • Full adder circuit
    • 全加器电路
    • US5875124A
    • 1999-02-23
    • US950108
    • 1997-10-16
    • Hiroshi Takahashi
    • Hiroshi Takahashi
    • G06F7/50G06F7/501
    • G06F7/5016G06F7/501
    • A full adder that operates rapidly with low power supply voltage and minimal power consumption, and further, that occupies a small area on a semiconductor element. A sum signal calculation circuit 10 of full adder 1 performs addition of input signals A and B and carry in signal C and outputs sum signal S.sub.out. Carry signal calculation circuit 16 outputs carry out signal C.sub.out corresponding to the combination of the logic values of input signals A and B and carry in signal C. Sum signal calculation circuit (10) is composed of addition signal generation circuit (12) and sum signal generation circuit (14). Addition signal generation circuit 12 performs XOR logic operations on input signals A and B. Sum signal generation circuit 14 outputs the results of full addition operations on inputs signals A and B and carry in signal C as sum signal S.sub.out, based on the results of XOR logic operations by addition signal generation circuit (12) and carry in signal C.
    • 全加法器,具有低电源电压和最小功耗的快速运行,而且在半导体元件上占据较小的面积。 全加器1的和信号计算电路10执行输入信号A和B的相加,并进入信号C并输出和信号Sout。 进位信号计算电路16输出与输入信号A和B的逻辑值的组合对应的执行信号Cout,并进入信号C.和信号计算电路(10)由相加信号生成电路(12)和和信号 发电电路(14)。 加法信号生成电路12对输入信号A,B进行异或逻辑运算。求和信号生成电路14根据输入信号A,B输出全加法运算结果,并根据XOR的结果输入信号C作为和信号Sout 由加法信号发生电路(12)进行逻辑运算并进行信号C.
    • 85. 发明授权
    • Programmable reader for numerical information carriers such as compact
discs
    • 数字信息载体如光盘的可编程读卡器
    • US5768225A
    • 1998-06-16
    • US630596
    • 1996-04-11
    • Hiroshi Takahashi
    • Hiroshi Takahashi
    • G11B17/22G11B27/00G11B27/11
    • G11B27/002G11B17/22G11B27/11G11B2220/2545G11B2220/65G11B2220/90
    • A reader for digital information carriers (2-2, 2-2) such as compact discs includes a comprises material reading unit (3) for reading of the carrier (2) and a control unit (4). The control unit (4) includes a management unit (5) in order to memorize the "tables of contents" of the carriers (2), a reading control unit (6) adapted to cause reading by the reading unit (3) of a "current " track of the carrier, and sequential programming unit (8) enabling acquisition by the user of a sequence, and its storage in a sequential memory (10). The programming unit (8) is separated from the control unit (6), and the memory (9) of the management unit (5) as well as the sequential memory (10) are conjointly accessible to the programming unit (8) and to the control unit (6) in such a way that the programming unit (8) may in addition be rendered operative during functioning of the control unit (6) in order to enable modification of the content of the the sequential memory (10).
    • 用于诸如光盘的数字信息载体(2-2,2-2)的读取器包括:用于读取载体(2)的材料读取单元(3)和控制单元(4)。 控制单元(4)包括管理单元(5),用于存储载体(2)的“目录表”,读取控制单元(6),适于由读取单元(3)读取 载波的“当前”轨道和顺序编程单元(8),使得用户能够获取序列,并将其存储在顺序存储器(10)中。 编程单元(8)与控制单元(6)分离,并且管理单元(5)的存储器(9)以及顺序存储器(10)可由编程单元(8)共同访问,并且 控制单元(6),使得编程单元(8)可以另外在控制单元(6)的功能期间被操作,以便能够修改顺序存储器(10)的内容。
    • 89. 发明授权
    • Automatic channel identification
    • 自动频道识别
    • US5603090A
    • 1997-02-11
    • US270287
    • 1994-07-05
    • Tuan K. NguyenHaruo YamadaKazuyuki MoriHiroshi TakahashiAsao Hirano
    • Tuan K. NguyenHaruo YamadaKazuyuki MoriHiroshi TakahashiAsao Hirano
    • H03J1/00H04W88/02H04B1/16
    • H04W88/022H03J1/0058H04W88/02
    • A method for tracking, in a roaming receiver, RF channels in a multi-area system where each area has a unique RF channel and each unique RF channel has a unique address for each user. A plurality of telephone area codes are stored into a memory of the receiver with each of the telephone area codes corresponding to a different RF channel within the multi-area system. An address from the RF channel which is unique to the receiver for that specific RF channel is received by the receiver, each address corresponding to one of the stored telephone area codes. A telephone area code corresponding to the address is then retrieved from the receiver memory, and the telephone area code is displayed in a receiver display to allow a user to quickly recognize which area of the multi-area system the receiver is located within.
    • 一种用于在漫游接收机中跟踪多区域系统中的RF信道的方法,其中每个区域具有唯一的RF信道,并且每个唯一的RF信道具有每个用户的唯一地址。 多个电话区域代码被存储在接收机的存储器中,每个电话区域代码对应于多区域系统内的不同RF信道。 来自RF信道的对于该特定RF信道的接收机唯一的地址由接收机接收,每个地址对应于所存储的电话区域代码之一。 然后从接收机存储器检索对应于该地址的电话区号,并且将电话区号显示在接收机显示中,以允许用户快速识别接收机所在的多区域系统的哪个区域。