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    • 1. 发明专利
    • DE10394233T5
    • 2006-04-06
    • DE10394233
    • 2003-04-28
    • SHARP KABUSHIKI KAISHA OSAKA
    • HIROTSUNE SHINJI
    • G06Q30/00
    • In an estimate information creating device, an estimate newly-creating section ( 4 ) obtains a negotiation-independent information address of an updated negotiation-independent information from a negotiation-independent information DB ( 5 ), and further obtains, from a negotiation-dependent information DB ( 3 ), user information, user demand information, and an ID of negotiation-dependent information having the obtained negotiation-independent information address and having a "contract-unconcluded" status. An estimate creating section ( 2 ) returns to the estimate newly-creating section ( 4 ) estimate information that conforms to the user demand information, and the negotiation-independent information address. After estimate information identified by the obtained ID is updated, the estimate newly-creating section ( 4 ) sends notification to a user terminal ( 1 ). In such a way, an estimate is newly created when estimate basic information has changed.
    • 8. 发明专利
    • DE69713252D1
    • 2002-07-18
    • DE69713252
    • 1997-11-19
    • SHARP KABUSHIKI KAISHA OSAKA
    • SHIMIZU TAKAYUKIYOKOGAWA NARUICHI
    • H03K5/08H04B10/114H04B10/40H04B10/50H04B10/60H04L25/02H04L25/03H04L25/06H04B10/158
    • In an infrared data-receiving circuit wherein an output electric current of a photodiode is current-to-voltage converted by a preamplifier and, after having been amplified by an amplification circuit, is subjected to a waveform-shaping operation in a comparator by using a predetermined threshold value, the threshold voltage, upon receipt of a low signal voltage, is set at the average value Vav that has been formed by two LPFs and, upon receipt of a high signal voltage, is also set at a shift value that has been obtained by allowing the voltage, which has been generated by shifting of a level shift circuit, to be sampled by a peak-hold circuit constituted of a differential amplifier. Thus, the apparatus is allowed to deal with a wide dynamic range. Moreover, in this arrangement, a single capacitor may be commonly used for an integrating operation in the LPFs and for a holding operation in the peak-hold circuit so as to provide a simple construction that is preferably applied to an integrated circuit. Consequently, in the infrared data-receiving circuit that uses the output from the photodiode by subjecting it to the waveform-shaping operation, it becomes possible to deal with a wide range of level differences by using a simple construction.