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    • 1. 发明申请
    • BIMODAL OPERATION OF FERRROELECTRIC AND ELECTRET MEMORY CELLS AND DEVICES
    • 微电子和电子存储器电池和器件的双重操作
    • WO2005101419A1
    • 2005-10-27
    • PCT/NO2005/000119
    • 2005-04-12
    • THIN FILM ELECTRONICS ASAGUDESEN, Hans, GudeLEISTAD, Geirr, I.ENGQUIST, IsakGUSTAFSSON, Göran
    • GUDESEN, Hans, GudeLEISTAD, Geirr, I.ENGQUIST, IsakGUSTAFSSON, Göran
    • G11C11/22
    • G11C11/22
    • In a method for enhancing the data storage capability of ferroelectric or electret memory cell which has been applied to storage of data and attained an imprint condition, suitable voltage pulses are used for evoking a temporary relaxation of the imprint condition into a volatile polarization state that can be discriminated from the imprinted polarization state in a non-destructive readout operation. Sequences of one or more voltage pulses are used to evoke readout signals respectively indicative of a non-volatile and a volatile polarization state of the memory cell, but without altering said polarization states. Imprinted memory cells can be overwritten to effect a temporary and volatile storage of data in a memory device in a ferroelectric or electret memory device by assigning a first logical value to imprinted memory cells and a second logical value by transferring selected to memory cells transferred into a relaxed volatile state, whereby the stored logical values can be discriminated by the detecting the difference in dynamic response of respectively imprinted and relaxed memory cells.
    • 在用于增强已经应用于数据存储和达到印记条件的铁电或驻极体存储单元的数据存储能力的方法中,使用适当的电压脉冲来引起压印条件的暂时放宽到易挥发的极化状态, 在非破坏性读出操作中与印刻偏振状态区分开来。 使用一个或多个电压脉冲的序列来唤起分别指示存储器单元的非易失性和易失性极化状态但不改变所述极化状态的读出信号。 印刷的存储器单元可以被覆盖,以通过将所选择的第一逻辑值分配给压印存储器单元并将所转移的存储器单元传送到第二逻辑值来实现在铁电或驻极体存储器件中的存储器件中的数据的临时和易失性存储 轻松的挥发性状态,由此可以通过检测分别压印和放松的存储单元的动态响应的差异来区分所存储的逻辑值。
    • 3. 发明专利
    • NO307235B1
    • 2000-02-28
    • NO982257
    • 1998-05-18
    • MCCONNELL GARY ALEISTAD GEIRR I
    • MCCONNELL GARY ALEISTAD GEIRR I
    • G06F3/033G06K9/00G06K9/24G07C9/00
    • PCT No. PCT/NO97/00254 Sec. 371 Date Oct. 18, 1998 Sec. 102(e) Date Oct. 18, 1998 PCT Filed Sep. 18, 1997 PCT Pub. No. WO98/12661 PCT Pub. Date Mar. 26, 1998An authenticated personal signature is stored in the database which can be compared to a newly presented signature for validation. The method for registering, analyzing and validating the hand-written personal signature requires that the signature be written in an x, y plane with a writing instrument which has a multiaxis movement detector at its end. The multiaxis movement detector detects the movement of said writing device as a function of time and with six degrees of freedom. The six degrees of freedom given by a linear movement along an x-axis, a y-axis and a z-axis, respectively, as well as by rotation about said x-axis, said y-axis and said z-axis, respectively. The six degrees of freedom of the writing instrument are recorded in predetermined formats in a database. A newly registered personal signature that is presented for validation is compared with the stored authenticated personal signature in the database.
    • 9. 发明专利
    • DE69719769T2
    • 2004-02-05
    • DE69719769
    • 1997-09-18
    • MCCONNELL GARY ALEISTAD GEIRR
    • MCCONNELL GARY ALEISTAD GEIRR
    • G06F3/033G06K9/00G06K9/24G07C9/00G06K11/18
    • PCT No. PCT/NO97/00254 Sec. 371 Date Oct. 18, 1998 Sec. 102(e) Date Oct. 18, 1998 PCT Filed Sep. 18, 1997 PCT Pub. No. WO98/12661 PCT Pub. Date Mar. 26, 1998An authenticated personal signature is stored in the database which can be compared to a newly presented signature for validation. The method for registering, analyzing and validating the hand-written personal signature requires that the signature be written in an x, y plane with a writing instrument which has a multiaxis movement detector at its end. The multiaxis movement detector detects the movement of said writing device as a function of time and with six degrees of freedom. The six degrees of freedom given by a linear movement along an x-axis, a y-axis and a z-axis, respectively, as well as by rotation about said x-axis, said y-axis and said z-axis, respectively. The six degrees of freedom of the writing instrument are recorded in predetermined formats in a database. A newly registered personal signature that is presented for validation is compared with the stored authenticated personal signature in the database.
    • 10. 发明专利
    • NO982257L
    • 1998-05-18
    • NO982257
    • 1998-05-18
    • MCCONNELL GARY ALEISTAD GEIRR I
    • MCCONNELL GARY ALEISTAD GEIRR I
    • G06F3/033G06K9/00G06K9/24G07C9/00G06K11/18
    • PCT No. PCT/NO97/00254 Sec. 371 Date Oct. 18, 1998 Sec. 102(e) Date Oct. 18, 1998 PCT Filed Sep. 18, 1997 PCT Pub. No. WO98/12661 PCT Pub. Date Mar. 26, 1998An authenticated personal signature is stored in the database which can be compared to a newly presented signature for validation. The method for registering, analyzing and validating the hand-written personal signature requires that the signature be written in an x, y plane with a writing instrument which has a multiaxis movement detector at its end. The multiaxis movement detector detects the movement of said writing device as a function of time and with six degrees of freedom. The six degrees of freedom given by a linear movement along an x-axis, a y-axis and a z-axis, respectively, as well as by rotation about said x-axis, said y-axis and said z-axis, respectively. The six degrees of freedom of the writing instrument are recorded in predetermined formats in a database. A newly registered personal signature that is presented for validation is compared with the stored authenticated personal signature in the database.