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106 results about "Computer Hard Disc" patented technology

A rigid magnetic disk mounted permanently in a drive unit.

Physical destroying method for computer hard disc data

The invention discloses a self-destructive hard disk, which comprises a hard disk, a thermal-demagnetizing self-destructor (3), a destruction button (1), a lead wire (5) and a blast trigger (4). The inner surface of the inner unused space of the thermal-demagnetizing self-destructor (3) and a hard disk cover (2) is fixed by a screw, the hard disk, the thermal-demagnetizing self-destructor (3) and the blast trigger (4) are all encapsulated inside a shell, the whole hard disk body is sealed up by a sealing gum, the destruction button (1) is embedded in the shell in a concave way, both ends of the lead wire are fixedly connected with the destruction button (1) and the blast trigger (4) respectively and the shell is of aluminum alloy. When the destruction button is started, a battery provides energy, the blast trigger (4) triggers the thermal-demagnetizing self-destructor (3), and the surface temperature of the hard disk is instantly increased, causing the magnetic properties of hundreds of magnetic particles to be canceled out one another and showed no external magnetic property entirely and causing the whole magnetic dielectric layer to be a paramagnetic body, thereby the data on the magnetic dielectric layer is thoroughly destroyed. The invention can meet the requirement of destroying data rapidly, safely and thoroughly in emergency situations.
Owner:706 INST SECOND RES INST OF CHINAAEROSPACE SCI & IND

Piano

The invention provides a technical scheme of a piano. According to the scheme, a computer switch, a computer display, a computer hard disc, an optical disc drive, a computer power supply, a computer main board and a computer host consisting of USB (Universal Serial Bus) interfaces and network interfaces are arranged on a surface plate of a piano body; a keyboard support plate for holding a computer keyboard and a mouse is arranged at the bottom side of a key board base of the piano; a rear pressing sensor is arranged at the tail end of each piano key; the pressing sensors are electrically connected with a rear circuit board; the rear circuit board is further electrically connected with the computer main board; white key pressing sensors and black key pressing sensors are arranged in the middle of white keys and black keys of the piano and are all electrically connected with a middle circuit board; the middle circuit board is further electrically connected with the computer main board; speed sensors and optical-magnetic sensors are arranged at the front ends of the white keys and the black keys of the piano and are all electrically connected with a front circuit board; the front circuit is further electrically connected with the computer main board; sensing pieces are arranged inside cavity grooves in the bottom sides of the front ends of the white keys and the black keys; a page turning button is arranged on one side of the piano keyboard; a page turning pedal is arranged on one side of a bottom pedal group of the piano body.
Owner:刘宝璋

Antivirus and virus-killing mp3 device and method for preventing and killing virus thereof

The invention provides a defending and killing virus mp3 device and a method for defending and killing virus. The device comprises an mp3 main control chip, a CD-ROM zone, an encrypting zone and a common memory area, the method comprises: inserting the device into a computer, then, indentifying through a computer system, decompressing an antivirus program and a virus library compressed packet to an appointed folder on a computer harddisk, operating the antivirus program, detecting whether a new virus library is available or not through the antivirus program, updating if the new virus library is available, controlling the virus library to automatically write back to a program in the encrypting zone to operate after updating, writing a newly updated virus library file back to the encrypting zone, operating the antivirus program, checking and killing computer virus, monitoring the computer harddisk and the defending and killing virus mp3 device on real time, extracting the defending and killing virus mp3 device after finishing checking and killing the virus, and deleting the antivirus program from the computer harddisk automatically. The invention can effectively prevent and kill the virus and monitor the harddisk and U disks, and can use the defending and killing virus mp3 on the computer which is provided with antivirus software already without collisions.
Owner:李武
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