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    • 8. 发明授权
    • Method and device for facilitating access to a multitude of alphanumeric
sequences
    • 便于访问多个字母数字序列的方法和装置
    • US6055635A
    • 2000-04-25
    • US809070
    • 1997-03-14
    • Leif Karlsson
    • Leif Karlsson
    • G09C1/00G09C1/04H04K1/00
    • G09C1/00
    • A method and a device for facilitating authorized and simultaneously restraining unauthorized access to a multitude of alphanumeric sequences, for instance for credit cards, code keys and the like. According to the method every correct sequence (e.g. 5533) is encrypted by mathematically manipulating it by means of an encrypting sequence (7221) common to every correct sequence, so that every correct sequence is converted into a fictitious encrypted sequence. The credit card has a carrier (12-16) for carrying and exposing the fictitious sequence. A deciphering of the fictitious sequence is performed by a reversed mathematical manipulation of the fictitious sequence.
    • PCT No.PCT / SE95 / 00955 Sec。 371日期1997年3月14日 102(e)1997年3月14日PCT PCT 1995年8月24日PCT公布。 公开号WO96 / 08806 日期1996年3月21日一种用于促进授权并同时限制非法访问多个字母数字序列的方法和装置,例如用于信用卡,代码键等。 根据该方法,通过对每个正确序列共同的加密序列(7221)进行数学操作来对每个正确序列(例如5533)进行加密,使得每个正确的序列被转换成虚构的加密序列。 信用卡有一个携带和暴露虚构序列的载体(12-16)。 通过对虚构序列的反向数学操作来进行虚构序列的解密。
    • 9. 发明授权
    • Device for the purification of gas, especially combustion gas
    • 用于净化气体,特别是燃烧气体的装置
    • US4784836A
    • 1988-11-15
    • US041624
    • 1987-04-22
    • Lennart KarlssonLeif Karlsson
    • Lennart KarlssonLeif Karlsson
    • B01D53/50B01D53/81F23J15/00F23J15/02F23L15/02B01D53/08
    • F23J15/02B01D53/501F23L15/02F23J2217/105Y02E20/348
    • Each of a pair of heat exchangers in a combustion plant includes a storage space holding basic granules, and will alternatingly be flown through by combustion gas and air, respectively. Residual heat from the combustion gas will be absorbed by the granules, and the moisture contend of the gases will condense upon the granules. Sulphur dioxide in the combustion gas will react with the basic material to calcium sulphite, and the moist granules will catch ash particles and other cntaminants in the gas. When valves have been re-set, air is made to pass through the granules, whereby it will be preheated. The heated air may be conducted to a burner, to a regeneration apparatus for the granules, or through a conduit to the gas exhaust duct. After some time of operation the granules are transferred to the regeneration apparatus, which includes a rotatable drum, where the granules will be subjected to mechanical working and separation of calcium sulphate and dust particles, preferably while being heated.
    • 燃烧设备中的一对热交换器中的每一个包括保持基本颗粒的储存空间,并且将分别由燃烧气体和空气交替地流过。 来自燃烧气体的剩余热量将被颗粒吸收,并且气体的湿气会在颗粒上冷凝。 燃烧气体中的二氧化硫将与碱性物质一起与亚硫酸钙反应,湿颗粒将吸收气体中的灰分颗粒和其他化合物。 当阀被重新设定时,使空气通过颗粒,由此将其预热。 加热的空气可以被传导到燃烧器,用于颗粒的再生装置,或者通过到排气管道的导管。 在经过一段时间的操作之后,将颗粒转移到包括可旋转的滚筒的再生装置中,其中颗粒将经受机械加工和硫酸钙和灰尘颗粒的分离,优选在被加热的同时。