64results about How to "No room for improvement" patented technology

A printing product that may revolve and illuminate to form a 3-D vision comprises a main body (1), a revolver (2) arranged on the main body, a circuit device (3) for driving the revolver to rotate, and a trigger switch (4) for controlling disconnection or connection of the circuit device. The circuit device drives the revolver to rotate via a motor (31). The revolver is located in a segmental orifice (10) provided in the main body. A set of luminous elements (20) connecting with the circuit device is arranged on the revolver. The present invention provides an electrical driving apparatus for a greeting card, a book and so on. The revolver is made rotate by the electrical driving apparatus, thus forming a 3-D vision when the luminous elements on the revolver are rotating. Furthermore, the revolver of the present invention is arranged in the horizontal direction, and a rotating space is left for the revolver beforehand by providing the segmental orifice in the main body. Therefore, the space occupied by the printing product will not be increased and the revolver will form a 3-D vision, so an interest of the product may be greatly enhanced.

A temporary locking projection for mounting the engaging ring at a reference position for assembly, and a detecting locking projection positioned forward of the temporary locking projection in a rotating direction of the engaging ring are provided on an outer periphery of the male connector housing and projected outward in a radial direction thereof. A temporary locking wall extending in an axial direction of the engaging ring for engaging with the temporary locking projection, and a resilient locking arm having a locking hook at an inner distal end surface are provided on an outer surface of the engaging ring. The locking hook is engaged with the detecting locking projection. A contact surface for contacting the resilient locking arm is provided at a projecting end of the detecting locking projection. A step having a contact surface for contacting the contact surface of the detecting locking projection is provided on the resilient locking arm.

A privacy display comprises a spatial light modulator and a passive retarder arranged between first and second polarisers arranged in series with the spatial light modulator. On-axis light from the spatial light modulator is directed without loss, and off-axis light has reduced luminance. The visibility of the display to off-axis snoopers is reduced by means of luminance reduction over a wide polar field of view. Off-axis visibility of the display in an automotive vehicle can be reduced.