Abstract: A water pressure type water jet teeth cleaning device, which has a nozzle with a curved tip including a hand held unit and a connecting tube. Attached to the connecting tub is a connector for connecting to the faucet. The water pressure type water jet teeth cleaning device of the present invention does not need a power supply to enhance safety, and is simple in structure and convenient to use.

Abstract: The present invention provides a combined labyrinthine fluid sterilizing apparatus, comprising a chamber having an inlet and an outlet as well as a blower/fan provided in the chamber. Ultraviolet lamps are mounted in the lumen of the chamber. The lumen of the chamber is divided by a plurality of bafflers having pores. The pores in the adjacent bafflers are arranged to stagger up and down or from side to side. A mesh plate is provided at the pore. The top and bottom plates of the chamber can be flipped open. The baffler is inserted in the slots in the inner side of the front and back plates. The top and bottom plates have the pore and a cover plate which are both covered by a shield. At least one of the bafflers has a pore, and is provided with a one-way openable valve. The blower is mounted at the pore of the baffler. The chamber and the bafflers are coated with a layer of titanium dioxide.

Abstract: The present invention provides a combined labyrinthine fluid sterilizing apparatus, comprising a chamber having an inlet and an outlet as well as a blower/fan provided in the chamber. Ultraviolet lamps are mounted in the lumen of the chamber. The lumen of the chamber is divided by a plurality of bafflers having pores. The pores in the adjacent bafflers are arranged to stagger up and down or from side to side. A mesh plate is provided at the pore. The top and bottom plates of the chamber can be flipped open. The baffler is inserted in the slots in the inner side of the front and back plates. The top and bottom plates have the pore and a cover plate which are both covered by a shield. At least one of the bafflers has a pore, and is provided with a one-way openable valve. The blower is mounted at the pore of the baffler. The chamber and the bafflers are coated with a layer of titanium dioxide.

Abstract: An automatic telephone dialer for use in an intruder alarm system including an intruder sensor for providing an intruder signal upon sensing an intruder. The dialer comprises a body for locating a hand-held telephone, and at least one keying device supported by the body and operatively connectable to a key of the telephone located by the body for operating the key. The dialer includes an electronic controller connectable to the intruder sensor for receiving an intruder signal and in response operating the keying device to cause the telephone to dial a predetermined telephone number.