479results about How to "With anti-theft function" patented technology

The invention discloses a constituting and applying method of coded two-dimension bar code in the bar code technological domain, which is characterized by the following: carrying key, secret, valued information; supporting two-dimension bar code standard recognizing equipment to recognize; possessing anti-false making, anti-falsification, anti-repeating properties.

The invention discloses a rotary self-lock pull head, which comprises a pull head body, a cap and a hook; the hook resists into the cap and moves upward and downward in an opening arranged on the pull head body according to a spring sleeved outside the hook; and the cap is fixedly arranged on the pull head body in a rotation manner. The action of the pull head body is realized by pulling the cap. The pull head is a novel self-lock pull head via the rotation in a threading way to realize the self-lock and the unlocking. By the utilization of the principle of working in the threading way, according to the rotation of the cap, the pull head is enabled to move upward and downward in the rotation manner, an upright hook arranged in the cap in an elasticity way is enabled to move upward and downward, and the unlocking and the self-lock are realized. The cap can be used as a pull sheet, and the number of combining parts is reduced. According to the self-lock pull head, the self-lock and unlocking of the pull head can not be realized unless removing the locking of a fixing piece, thus the self-lock pull head can be applied in clothing, a case and a tent which are self-locked or without a lock in a long term, and the self-lock pull head is provided with a certain anti-theft function.

The invention discloses an automobile cab sunshade device comprising screws driven by bidirectional motors, and sunshade plates which are parallel to window glass longitudinally and which are arranged in double-groove sliding ways of left and right sides below the widow. The screws are arranged along the direction of the double-groove sliding ways; one ends are fixedly connected to an automobile through screw fixing seats, and the other ends are fixedly connected to the sunshade plates through screw nuts of the screws. The device is simple in structure and easy to realize and has significant sunshade effect.

The invention relates to a double-purpose window with the functions of theft resistance and escape, which is characterized in that the window body comprises a front frame and a rear frame, wherein a top fence and a bottom fence are arranged between the front frame and the rear frame; a front-face fence is arranged in the front frame; the window body is fixed on a wall body through the rear frame; the left and the right sides of the window body are respectively provided with a No.1 fence door and a No.2 fence door; the No.1 fence door and the No.2 fence door are respectively and flexibly connected between the front frame and the rear frame on the side; the No.1 fence door is open, is in a horizontal state and is supported through the bracket fixed on the wall body so as to form a platform; the No.2 fence door is open and in a pendulous state to form an escape ladder; and the No.1 fence door and the No.2 fence door are respectively connected to the corresponding positions of the window body through an electric lock. The invention improves the common convex type anti-theft window so as to have the anti-theft function and form the escape ladder and the platform after being expanded, utilizes the bottom fence of the window as a transition channel so as to open an escape channel on the external wall body of a building, and is not required to be provided with an additional escape tool to solve the escape problem when a high-rise building is on fire.