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    • 21. 发明授权
    • Card reader for transmission of data by sound
    • 读卡器通过声音传输数据
    • US06129277A
    • 2000-10-10
    • US127812
    • 1998-08-03
    • Alan H. GrantRichard J. Gambino
    • Alan H. GrantRichard J. Gambino
    • G06K7/08G06K5/00
    • G06K7/084
    • A portable card reader is designed to be carried in a wallet or purse. In a first embodiment, the card reader has an electromagnetic head that reads information from a magnetic strip of a card. In a second embodiment, information is read from the card by an array of Hall sensors. In both embodiments, the information read from the card is converted to a sequence of electronic bursts of predetermined frequency, preferably in the audible or ultrasound range. The sound signals are output by a speaker to the microphone of a telephone. The signal is then transmitted over the telephone lines to a remote receiver. The receiver then converts the sound bursts into signal pulses which can be read using the computer software of a conventional card reader.
    • 便携式读卡器被设计为携带在钱包或钱包中。 在第一实施例中,读卡器具有从卡的磁条读取信息的电磁头。 在第二实施例中,通过霍尔传感器阵列从卡读取信息。 在两个实施例中,从卡读取的信息被转换成预定频率的电子脉冲序列,优选地在可听或超声范围内。 声音信号由扬声器输出到电话的麦克风。 然后,信号通过电话线传输到远程接收器。 然后,接收器将声音脉冲串转换成可以使用常规读卡器的计算机软件读取的信号脉冲。
    • 23. 发明授权
    • Apparatus using amorphous magnetic compositions
    • 使用无定形磁性组合物的装置
    • US3965463A
    • 1976-06-22
    • US581078
    • 1975-05-27
    • Praveen ChaudhariJerome J. CuomoRichard J. Gambino
    • Praveen ChaudhariJerome J. CuomoRichard J. Gambino
    • G02F1/00G11B11/10G11B11/105G11C13/06G11C19/08H01F10/13G11C11/14
    • G02F1/0036G11B11/10G11B11/10582G11B11/10591G11C13/06G11C19/08G11C19/0808G11C19/085G11C19/0866H01F10/135G11C13/0004
    • Apparatus using amorphous magnetic compositions having uniaxial anisotropy include bubble domain apparatus, light modulating apparatus, permanent magnet systems, and tape and disc information handling systems. The amorphous magnetic composition can be prepared in thin film or bulk form or as particles in a binder. The anisotropy can be parallel to the plane of a film of this material or perpendicular to the film plane. The amorphous material is comprised of a single element or is a multicomponent system where as at least one of the components has an unimpaired spin so that the composition has a net magnetic moment. The amorphous composition exists as a microcrystalline structure having localized atomic ordering over a distance 25-100 A, or as a substantially amorphous structure where localized atomic ordering is over distances less than 25A. Binary and ternary compositions, either alloys or compounds, are suitable. The magnetic properties of the compositions can be changed during fabrication or after fabrication, and the compositions can be doped readily without adversely affecting magnetic properties.
    • 使用具有单轴各向异性的非晶磁性组合物的装置包括气泡域装置,光调制装置,永磁体系统以及磁带和盘信息处理系统。 非晶磁性组合物可以以薄膜或本体形式或作为粘合剂中的颗粒制备。 各向异性可以平行于该材料的膜的平面或垂直于膜平面。 无定形材料由单一元件组成或是多组分系统,其中至少一个组分具有未受损的自旋,使得组合物具有净磁矩。 无定形组合物存在为在距离25-100A处具有局部原子排序的微晶结构,或者作为基本上非晶体结构,其中局部原子排序超过距离小于25A。 二元和三元组合物,合金或化合物都是合适的。 组合物的磁性能可以在制造期间或制造后改变,并且可以容易地掺杂组合物而不会不利地影响磁性。
    • 28. 发明授权
    • Composite magneto-optic memory and media
    • 复合磁光存储器和介质
    • US5612131A
    • 1997-03-18
    • US54646
    • 1993-04-26
    • Nestor A. Bojarczuk, Jr.Richard J. GambinoRalph Ruf
    • Nestor A. Bojarczuk, Jr.Richard J. GambinoRalph Ruf
    • C22C19/00C22C38/00G11B11/10G11B11/105H01F1/00H01F10/12H01F41/20G11B5/66
    • B82Y25/00G11B11/10545G11B11/10586H01F1/0063G11B11/10543Y10S428/90Y10T428/26Y10T428/265
    • A magneto-optic memory and a magnetic material is described incorporating a polarized light beam directed towards a magnetic material and an analyzer for intercepting the polarized light beam after passing through the magnetic material or after being reflected by the magnetic material. The magnetic material includes a matrix of metal such as iron, cobalt, nickel, and alloys thereof and a plurality of separated phases distributed in the matrix such as EuS, EuO, EuOTb, PtMnSb, MnAs, MnBi, MnSb, CrO.sub.2, CrTe, GdN, Gd.sub.4 C, other compounds of a rare earth element and manganese compounds. Terbium or neodymium may be dissolved in the matrix of metal and in the plurality of separated phases. The invention overcomes the problem of providing a magnetic material having a Curie point above room temperature, a square perpendicular hysteresis loop at room temperature, a large magneto-optic rotation at the wavelength of interest and a deposition temperature suitable depositing on polymer substrates.
    • 描述了磁光存储器和磁性材料,其包括朝向磁性材料的偏振光束和用于在通过磁性材料之后或在被磁性材料反射之后截取偏振光束的分析器。 磁性材料包括诸如铁,钴,镍及其合金的金属基体以及分布在诸如EuS,EuO,EuOTb,PtMnSb,MnAs,MnBi,MnSb,CrO 2,CrTe,GdN之类的基体中的多个分离相 ,Gd4C,其他化合物的稀土元素和锰化合物。 铽或钕可以溶解在金属基体和多个分离相中。 本发明克服了提供具有高于室温的居里点,室温下的正方形垂直磁滞回线,感兴趣波长处的大磁光旋转和适合沉积在聚合物基底上的沉积温度的磁性材料的问题。