Abstract: A video playing method and apparatus are described that implement an adaptively varied playing speed, and meet a playing setting of a user, thereby improving viewing experience of the user in a video played at an adaptively varied speed. The method includes obtaining a first playing speed and obtaining first information. The first information includes image information of a video and/or voice information of the video. The method further includes playing the video at a second playing speed that is obtained based on the first playing speed and the first information.

Abstract: An output control circuit, a method for transmitting data, and an electronic device are disclosed. The output control circuit includes: a serial-to-parallel conversion circuit configured to obtain at least one group of parallel data through a serial-to-parallel conversion; an intermediate-stage cache circuit configured to divide the at least one group of parallel data into at least two categories of subgroup parallel data according to sequence of serial-to-parallel conversion; a latch output circuit including a plurality of latch arrays each of which receiving any category of subgroup parallel data and latching and outputting any subgroup parallel data in any category of subgroup parallel data; and a selection control circuit configured to, within an effective pulse duration of the any subgroup parallel data, control a latch array for the any subgroup parallel data in the plurality of latch arrays to latch and output the any subgroup parallel data.

Abstract: A garden tool includes a connecting rod assembly, a working head, a power source, a first rod connected to the working head, a second rod connected to the power source, and a connection structure for mechanical and electrical connection between the first and second rods. A first terminal is arranged on the first rod and a second terminal arranged on the second rod, the first terminal being connected to a first wire, the second terminal being connected to a second wire, the first terminal and the second terminal connectable to transmit power of the power source to the working head through the first wire and the second wire. A second base is mounted in the second rod, the second base including at least two jacks independent of each other. At least two second terminals are respectively mounted in respective jacks.

Abstract: An output control circuit, a method for transmitting data, and an electronic device are disclosed. The output control circuit includes: a serial-to-parallel conversion circuit configured to obtain at least one group of parallel data through a serial-to-parallel conversion; an intermediate-stage cache circuit configured to divide the at least one group of parallel data into at least two categories of subgroup parallel data according to sequence of serial-to-parallel conversion; a latch output circuit including a plurality of latch arrays each of which receiving any category of subgroup parallel data and latching and outputting any subgroup parallel data in any category of subgroup parallel data; and a selection control circuit configured to, within an effective pulse duration of the any subgroup parallel data, control a latch array for the any subgroup parallel data in the plurality of latch arrays to latch and output the any subgroup parallel data.

Abstract: A level shifter includes a power supply rail conversion block, an RS latch and a digital detection block. The power supply rail conversion block comprises a first NLDMOS transistor, a second NLDMOS transistor, a first PLDMOS transistor, a second PLDMOS transistor, a first PMOS transistor, a second PMOS transistor, a first NMOS transistor, a second NMOS transistor, and a first inverter. A gate of the first NLDMOS transistor is connected to an input of the first inverter, a drain of the first NLDMOS transistor is connected to a drain of the first PLDMOS transistor; a source of the first NLDMOS transistor and a source of the second NLDMOS are connected to a referenced ground of an LV power supply rail. The digital detection block comprises a second inverter, a third inverter, a first delay chain, a second delay chain, a first NAND gate and a second NAND gate.

Abstract: A garden tool includes a connecting rod assembly, a working head, a power source, a first rod connected to the working head, a second rod connected to the power source, and a connection structure for mechanical and electrical connection between the first and second rods. A first terminal is arranged on the first rod and a second terminal arranged on the second rod, the first terminal being connected to a first wire, the second terminal being connected to a second wire, the first terminal and the second terminal connectable to transmit power of the power source to the working head through the first wire and the second wire. A second base is mounted in the second rod, the second base including at least two jacks independent of each other. At least two second terminals are respectively mounted in respective jacks.

Abstract: Disclosed is a method for preparing 7-halo-2-oxoheptylate, an intermediate of cilastatin. The main steps are as follows: A. Addition reaction, in which 6-halo-hexanal is reacted with a cyanide to obtain 7-halo-?-hydroxyl-heptonitrile; B. Hydrolysis reaction, in which 7-halo-?-hydroxyl-heptonitrile is converted to 7-halo-?-hydroxyl-heptylic acid; C. Esterification reaction, in which 7-halo-?-hydroxyl-heptylic acid is converted to 7-halo-?-hydroxyl-heptylate; and D. Oxidation reaction, in which 7-halo-?-hydroxyl-heptylate is converted to 7-halo-2-oxoheptylate. 7-halo-?-hydroxyl-heptylic acid or ester thereof, which is a new intermediate for synthesizing 7-halo-2-oxoheptylate or cilastatin, and a method for synthesizing cilastatin are also disclosed. The methods of the invention are suitable for commercial production because of their simple process and mild reaction condition.

Abstract: Disclosed is a method for preparing 7-halo-2-oxoheptylate, an intermediate of cilastatin. The main steps are as follows: A. Addition reaction, in which 6-halo-hexanal is reacted with a cyanide to obtain 7-halo-?-hydroxyl-heptonitrile; B. Hydrolysis reaction, in which 7-halo-?-hydroxyl-heptonitrile is converted to 7-halo-?-hydroxyl-heptylic acid; C. Esterification reaction, in which 7-halo-?-hydroxyl-heptylic acid is converted to 7-halo-?-hydroxyl-heptylate; and D. Oxidation reaction, in which 7-halo-?-hydroxyl-heptylate is converted to 7-halo-2-oxoheptylate. 7-halo-?-hydroxyl-heptylic acid or ester thereof, which is a new intermediate for synthesizing 7-halo-2-oxoheptylate or cilastatin, and a method for synthesizing cilastatin are also disclosed. The methods of the invention are suitable for commercial production because of their simple process and mild reaction condition.

Abstract: An electronic device includes a main body and a cover pivotally assembled on the main body, wherein when the cover rotates relative to the main body, the electronic device is automatically powered on.

Abstract: The present invention relates to a computer system and a monitor with peripheral interfaces. The computer system includes a monitor, a host, and a transmission cable. The monitor includes a plurality of peripheral interfaces and an integrated interface. The peripheral interfaces are utilized to connect corresponding peripheral devices, and the peripheral interfaces are connected with the integrated interface. The transmission cable is configured for connecting the integrated interface and the host, and transmitting peripheral signals from the peripheral devices to the host.

Abstract: A computer housing is provided. The computer housing includes a front panel with an opening formed thereon. A cable winding assembly is disposed within the computer housing and includes a stop member, a cable winding member, two support members, and an elastic rope. The cable winding member includes a jack receiving hole and at least one stop member receiving means formed on an outer circumferential surface thereof for accommodating a headphone jack and the stop member respectively. The stop member can be inserted through the opening. The two support members are attached to a bottom panel of the computer housing and include bearing holes formed threreon for supporting the cable winding member and allowing a rotation of the cable winding member. The elastic rope includes two ends fastened respectively to the cable winding member and one of the support members and is capable of being wound when the cable winding member rotates.

Abstract: An electronic device includes a main body and a cover pivotally assembled on the main body, wherein when the cover rotates relative to the main body, the electronic device is automatically powered on.

Abstract: A computer housing is provided. The computer housing includes a front panel with an opening formed thereon. A cable winding assembly is disposed within the computer housing and includes a stop member, a cable winding member, two support members, and an elastic rope. The cable winding member includes a jack receiving hole and at least one stop member receiving means formed on an outer circumferential surface thereof for accommodating a headphone jack and the stop member respectively. The stop member can be inserted through the opening. The two support members are attached to a bottom panel of the computer housing and include bearing holes formed threreon for supporting the cable winding member and allowing a rotation of the cable winding member. The elastic rope includes two ends fastened respectively to the cable winding member and one of the support members and is capable of being wound when the cable winding member rotates.

Abstract: The present invention relates to a computer system and a monitor with peripheral interfaces. The computer system includes a monitor, a host, and a transmission cable. The monitor includes a plurality of peripheral interfaces and an integrated interface. The peripheral interfaces are utilized to connect corresponding peripheral devices, and the peripheral interfaces are connected with the integrated interface. The transmission cable is configured for connecting the integrated interface and the host, and transmitting peripheral signals from the peripheral devices to the host.

Abstract: A computer mouse capable of switching between a left-handed mode and a right-handed mode is provided. The mouse includes a first transistor-circuit, a second transistor-circuit, and a control switch. The control switch has at least a first state and a second state. When the control switch is in the first state, it enables the first transistor-circuit, and thus the left button signals and the right button signals are transmitted to a left-button input pin and a right-button input pin of an integrated circuit chip respectively. When the control switch is in the second state, it enables the second transistor-circuit, and thus the left button signals and the right button signals are transmitted to the right-button input pin and the left-button input pin of the integrated circuit chip respectively.