Abstract: Disclosed is an electronic device including a tunable element, a first power supply circuit, and a second power supply circuit. The first power supply circuit and the second power supply circuit are electrically connected to the tunable element. The first power supply circuit drives the tunable element during a first time period. The second power supply circuit drives the tunable element during a second time period.

Abstract: A method of displaying a listed result of an internet-based search includes the steps of inputting at least one keyword in a searchable website connected to a searchable database at least having a plurality of URLs and corresponding displayed information and at least one image; comparing the at least one keyword with the searchable database according to a first predetermined condition to locate the URLs matching the first predetermined condition; ranking the matched URLs according to a second predetermined condition and capturing each displayed information corresponding to the URL to generate a list having a plurality of columns containing the displayed information of each URL; and displaying the list on one web page. Each of the displayed information contains a hyperlink of an URL and the corresponding displayed information and image.

Abstract: A method of optimizing a web hyperlink text for a better listed search result includes steps of partitioning the hyperlink text into four parts defined as a first part, a second part, a third part, and a fourth part, wherein each of the first and fourth parts has at least one of a product name, a product category, and a product manufacture, the second part is a domain name, and the third part is a country/region name; and placing a preposition “on” between the first and second parts and placing another preposition “from” between the second and third parts, whereby the hyperlink text is arranged like “[first part] [on] [second part] [from] [third part] [fourth part]”. In light of this, the web hyperlink text can preferably match the rules set in the search engine to be ranked high in the listed search result.

Abstract: A method of optimization of a listed result of internet-based search includes the steps of generating a list based on the search result on Internet, ranking the list in view of a predetermined condition to generate a sub-list, and displaying the list and the sub-list on a web page, whereby the user not only can learn the result from the conventional search website after inputting a keyword, but also get relevant information to the keyword to source desired information more easily, improving the drawback of prior art. A system based on the method is accomplished by a client and a server.

Abstract: A U-shaped lock is provided which includes a straight tubular housing, a locking unit disposed within the housing, and a U-shaped shackle. The U-shaped shackle has one end provided with a bend stopper to fit in a shackle hole of the housing and the other end provided with a notch for receiving a flat rectangular portion of a dead bolt to lockingly engage or disengage the shackle. The locking unit includes a cylindrical member combined and rotating together with a lock cylinder. The lock cylinder has a key hole for insertion of a key for rotating the lock cylinder and a projecting block extending from a rear end of the lock cylinder and engaged in a hole of the cylindrical member. The dead bolt is moved forward or backward responsive to rotation of the key in the lock cylinder to cause the flat rectangular portion of the dead bolt to engage or disengage from the notch of the shackle.