Abstract: Provided are an indoor distribution system and a signal transmission method. The system includes an access unit, an extended unit, a first coupling unit, and at least one remote cascaded chain. Each remote cascaded chain includes at least one second coupling unit and at least one remote unit. The at least one second coupling unit in each remote cascaded chain is cascaded, and each remote unit is respectively connected to a corresponding second coupling unit. The first coupling unit transmits a radio-frequency signal transmitted by the extended unit to the second coupling unit. The second coupling unit transmits a radio-frequency signal of input power to the remote unit connected to the second coupling unit according to a coupling value. The remote unit adjusts the power of the radio-frequency signal from the input power to the output target power and output the adjusted radio-frequency signal.

Abstract: A direction backlight stereoscopic display device, comprises a backlight assembly, and sequentially comprises a lens array and an image display unit along a transmitting direction of light rays emitted from the backlight assembly. The lens array includes a plurality of lens units, and the lens units are arranged along a preset curvature, forming a concave surface facing toward the image display unit. The lens array of the directional backlight stereoscopic display device according to the embodiments of the present invention is arranged as a concave surface with a definite curvature, forming an uninterrupted viewing zone distribution in a viewing region to guarantee the viewing zone a visual effect of uniformity without any dark region.

Abstract: A direction backlight stereoscopic display device, comprises a backlight assembly, and sequentially comprises a lens array and an image display unit along a transmitting direction of light rays emitted from the backlight assembly. The lens array includes a plurality of lens units, and the lens units are arranged along a preset curvature, forming a concave surface facing toward the image display unit. The lens array of the directional backlight stereoscopic display device according to the embodiments of the present invention is arranged as a concave surface with a definite curvature, forming an uninterrupted viewing zone distribution in a viewing region to guarantee the viewing zone a visual effect of uniformity without any dark region.

Abstract: The present application discloses methods, devices, servers, and systems for notification between mobile terminals during communication. When two mobile terminals are in an active communication session, sometimes one terminal fails to respond to the other terminal due to various reasons such as distractions, additional responsibilities, or technical difficulties. The mobile terminal that is not getting a response may then utilize the process herein disclosed to notify the other terminal that a response is expected. By shaking or other convenient approaches, a mobile terminal may send out a notification request during an active communication session. The other terminal may return a notification response indicating whether the other terminal is in a current communication with a third mobile terminal or is in an idle status.

Abstract: The present application discloses methods, devices, servers, and systems for notification between mobile terminals during communication. When two mobile terminals are in an active communication session, sometimes one terminal fails to respond to the other terminal due to various reasons such as distractions, additional responsibilities, or technical difficulties. The mobile terminal that is not getting a response may then utilize the process herein disclosed to notify the other terminal that a response is expected. By shaking or other convenient approaches, a mobile terminal may send out a notification request during an active communication session. The other terminal may return a notification response indicating whether the other terminal is in a current communication with a third mobile terminal or is in an idle status.