A system includes multiple in-room telephones (e.g., in the rooms of a hotel or the like) with integrated tablet-like touch displays in each one of multiple rooms, a computer-based server that is connected to the in-room telephones and interacts with the in-room telephones to provide configuration information to facilitate display of advertising information including, for example, logos, at the touch displays of the in-room telephones, and one or more computer control terminals connected to the computer-based server and operable to facilitate human control over various aspects of system operation including the advertising information displayed at the touch displays of the in-room telephones.

A frame panel for a three-dimensional sign board, a three-dimensional sign board including the panel, and a manufacturing method therefor. The frame panel includes a band-shaped frame panel which is cut into a predetermined length and wound in the form of a coil so that the frame panel can be bent and shaped into a desired pattern such as a character; and hitch units on which an upper panel is fixated, which are formed along the longitudinal direction of the frame panel and which are spaced apart from each other on two ends of one side of the frame panel. The hitch units are made of a soft synthetic resin material, which is the same material as used for the upper panel.

An LED control system is provided for connection to an LED lighting system via a power line to control the LED lighting system using commands formed by manipulation of frequency and amplitude of a signal transmitted over the power line. The signal may be for example a wave or a sequence of pulses. The signal may be provided in superposition with line power or the line power may be formed as the signal.

A simulating neon lamp is disclosed, which comprises a bottom base (10), a back, light source (20), a display assembly (30) and a cover plate (40); wherein the bottom case (10) is opaque and hollow and has an opening facing upward; the back light source (20) is mounted in the bottom case (10); the display assembly (30) is translucent and fixed onto the bottom case (10) to close the opening; the display assembly (30) comprises a first display panel (31); the sectional width of the first display panel (31) is less than that of the bottom case (10), and an upper surface of a connection where the first display panel (31) is connected with the bottom case (10) is not higher than a top end of the bottom case (10): the cover plate (40) is opaque and covers the connection where the first display panel (31) is connected with the bottom case (10) so as to shield the light penetrating from a gap of the connection where the first display panel (31) is connected with the bottom case (10). The present invention has such advantages as safety, energy-conservation and low cost, excellent effect simulating a neon lamp and so on.

A signaling device for increasing visibility of a mobile robot. The signaling device comprises a signaling section, a body section, and a base section. The invention also discloses a system for increasing visibility of a mobile robot. The system comprises a mobile robot, a signaling device attached to the mobile robot and a remote terminal configured to at least one of monitoring and controlling at least one of the mobile robot and the signaling device.

The invention provides a Light-Emitting Diode (LED) display screen, including: fixing assemblies and a display assembly. The fixing assemblies are provided at an upper side and lower side of the display assembly so as to fix the display assembly. The display assembly includes: an LED display light bar and a connecting structure connected with the LED display light bar. The display assembly further includes an angle adjustment structure provided between the connecting structure and the LED display light bar. The angle adjustment structure can adjust a mounting angle of the LED display light bar. The technical solution of the invention effectively solves the problem in the traditional art that an angle of an LED display light bar cannot be adjusted.

An illuminated sign for providing a warning that an area adjacent the illuminated sign is within a field of view of an audio/video (A/V) recording and communication device. The illuminated sign may include a front panel having translucent portions and opaque portions, and an illumination source located behind the front panel. The illumination source illuminates the front panel such that the opaque portions block transmission through the front panel of at least a portion of the light from the illumination source to provide the warning that the area adjacent the illuminated sign is within the field of view of the A/V recording and communication device.

A light-emitting sign device according to the present invention comprises: a solar cell; a battery module comprising at least one battery in which power generated by the solar cell is stored; a light-emitting module for emitting light by the power supplied from the battery; a front panel optically coupled to the light-emitting module; and a controller for applying, to the light-emitting module, a target mode determined, from among driving modes, on the basis of an average value of solar cell voltages measured for a certain period with respect to the solar cell and a voltage value of a battery voltage measured at a certain time with respect to the battery module.

A billboard or other large display for displaying information has a billboard frame, an artwork layer, and either a plurality of columns of LED light plates or vertical strips of LED lights. The LED plates are small backlight panels formed in an array covering large areas suitable for standard billboards. The LED plates are secured to one another to hang from the billboard frame in separate columns. The columns are situated between the artwork layer and the billboard frame to provide a backlight for the artwork layer. The artwork layer can include two or more layers such that different artwork is displayed depending on the ambient lighting conditions as well as the backlight operation. The LEDs are preferably controlled by a controller to provide desired backlight conditions as well as to display content.

A portable cylindrical light box, including a strut, an advertising fabric, a fixed profile and a transparent film. An inner wall of the advertising fabric is sewn with a first silicone strip. An outer wall of the first silicone strip abuts the transparent film. A second silicone strip is adhered to the bending portion of an outer wall of the transparent film. The groove is provided on the strut. An outer wall of the fixed profile is fixed with a light bar including an adhesive layer, a soft base layer adhesively connected to the fixed profile by the adhesive layer, and an LED bead SMD fixed on the soft base layer. The upper and lower ends of the fixed profile are respectively mounted with a bottom plate assembly and a cover plate assembly fixedly connected to the upper end of the fixed profile by screws.