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    • 1. 发明授权
    • Core unit of a dehumidifier
    • 除湿机的核心单元
    • US07618481B2
    • 2009-11-17
    • US11756085
    • 2007-05-31
    • Jimmy Wu
    • Jimmy Wu
    • B01D53/04B01D53/26
    • B01D53/0415B01D53/261B01D2259/40003B01D2259/402
    • A core unit of a dehumidifier comprises two towers and an upper and a lower air valve. The two towers are mounted in parallel between the upper and lower air valves and respectively filled with a drying agent. Two control valves are respectively connected to the corresponding tower through the lower air valve. When pressurized air flows into the lower air valve, the lower air valve determines that the air go to one of the two towers linked to the other tower by an equalizing slot, causing a difference in air pressure between the two towers. When the air pressure of the two towers is equal, the lower air valve changes the tower to receive the pressurized air and allows the drying agent in the other tower to dry out. Therefore, the two towers generate dry air alternately whilst reducing manufacturing costs.
    • 除湿器的核心单元包括两个塔和上部和下部空气阀。 两塔平行安装在上下气阀之间,分别装有干燥剂。 两个控制阀分别通过下部空气阀连接到相应的塔架上。 当加压空气流入下部空气阀时,下部空气阀确定空气通过平衡槽进入与另一个塔架相连的两个塔架中的一个塔架,造成两个塔架之间的空气压力差。 当两塔的空气压力相等时,下部空气阀改变塔架以接收加压空气,并允许另一个塔架中的干燥剂干燥。 因此,两座塔交替产生干燥空气,同时降低制造成本。
    • 4. 发明授权
    • Community dialing circuit apparatus for pots phone and IP phone
    • 用于电话和IP电话的社区拨号电路设备
    • US07062035B2
    • 2006-06-13
    • US10707140
    • 2003-11-24
    • Jimmy WuJack Chang
    • Jimmy WuJack Chang
    • H04M1/00H04M3/00
    • H04M1/738H04M1/2535
    • A community dialing circuit apparatus for IP phone and POTS phone is provided. The apparatus includes an IP phone system, a POTS phone system, an insulation system connected between the IP phone system and the POTS system, and a keypad connected to the IP phone system and the POTS system for inputting the phone number. When the city power is on and a phone number having a format of the IP phone number is inputted, the POTS phone is disabled and the IP phone is activated. When the city power is on and a phone number having a first format of the POTS phone number is inputted, the POTS phone is activated and the IP phone is disabled. When the city power is off and a phone number having a second format of the POTS phone number is inputted, the IP phone is turned off and the POTS phone is activated.
    • 提供用于IP电话和POTS电话的社区拨号电路设备。 该装置包括IP电话系统,POTS电话系统,连接在IP电话系统和POTS系统之间的绝缘系统,以及连接到IP电话系统的键盘和用于输入电话号码的POTS系统。 当城市电源打开并且输入具有IP电话号码格式的电话号码时,POTS电话被禁用并且IP电话被激活。 当城市电源打开并且具有POTS电话号码的第一格式的电话号码被输入时,POTS电话被激活并且IP电话被禁用。 当城市电源关闭并且输入具有POTS电话号码的第二格式的电话号码时,IP电话被关闭并且POTS电话被激活。
    • 5. 发明授权
    • Battery charging/discharging switching control protective circuit
    • 电池充放电开关控制保护电路
    • US5637980A
    • 1997-06-10
    • US436973
    • 1995-05-08
    • Jimmy Wu
    • Jimmy Wu
    • H01H9/54H02J7/02H01M10/46H02J7/04
    • H01H9/548H02J7/022
    • A battery charging/discharging switching control protective circuit including a charging discharging loop, a constant current control circuit connected to the input terminal of the charging discharging loop, a microprocessor control circuit, a time series control circuit with its input terminal connected to the microprocessor control circuit and its output terminal connected to the switch of the charging discharging loop and the switches of the constant current control circuit, the time series control circuit being controlled by the microprocessor control circuit to control the transistor of the charging discharging loop in charging or discharging the battery at a constant current value, and to control the switches of the charging discharging loop in turning off the transistor at the beginning or the end of the charging or discharging operation, so as to prevent the occurrence of electric arc, sparks, transient electric current and voltage during the switching of the switches of the charging discharging loop.
    • 一种充电/放电切换控制保护电路,包括充电放电回路,连接到充电放电回路的输入端的恒流控制电路,微处理器控制电路,时序控制电路,其输入端连接到微处理器控制 电路及其输出端子连接到充电放电回路的开关和恒流控制电路的开关,时序控制电路由微处理器控制电路控制,以控制充电放电回路的晶体管充电或放电 电池处于恒定电流值,并且在充电或放电操作的开始或结束时关闭晶体管,控制充电放电环路的开关,以防止发生电弧,火花,瞬时电流 和在ch的开关切换期间的电压 拱形放电回路。