Patent classifications
H04B10/116
VLC in factories
Clothing equipment having a visual light communication emitter arranged to communicate a status of the clothing equipment, includes a light emitter arranged to emit flash light which is modulated at at least one target frequency in a dedicated non-visible spectrum, the light emitter including three fixed emitting portions distant from each other by predetermined distances, so as to authenticate the status of the clothing equipment.
VLC in factories
Clothing equipment having a visual light communication emitter arranged to communicate a status of the clothing equipment, includes a light emitter arranged to emit flash light which is modulated at at least one target frequency in a dedicated non-visible spectrum, the light emitter including three fixed emitting portions distant from each other by predetermined distances, so as to authenticate the status of the clothing equipment.
SYSTEM FOR VISUAL LIGHT COMMUNICATION AND RELATED METHODS
A visual light communication system is disclosed.
SYSTEM FOR VISUAL LIGHT COMMUNICATION AND RELATED METHODS
A visual light communication system is disclosed.
Orange nanowire light-emitting diodes
Embodiments of the present disclosure describe a white light illumination system using InGaN-based orange nanowires (NWs) LED, in conjunction with a blue LD for high speed optical wireless communications. By changing the relative intensities of an ultrabroad linewidth orange LED and narrow-linewidth blue LD components, a hybrid LED/LD device achieves correlated color temperature (CCT) ranging from 3000 K to above 6000 K with color rendering index (CRI) values reaching 83.1. Orange-emitting NWs LED are utilized as an active-phosphor, while a blue LD was used for both color mixing and optical wireless communications.
Orange nanowire light-emitting diodes
Embodiments of the present disclosure describe a white light illumination system using InGaN-based orange nanowires (NWs) LED, in conjunction with a blue LD for high speed optical wireless communications. By changing the relative intensities of an ultrabroad linewidth orange LED and narrow-linewidth blue LD components, a hybrid LED/LD device achieves correlated color temperature (CCT) ranging from 3000 K to above 6000 K with color rendering index (CRI) values reaching 83.1. Orange-emitting NWs LED are utilized as an active-phosphor, while a blue LD was used for both color mixing and optical wireless communications.
Transmission device, reception device, communication system, transmission method, reception method, and communication method
Provided is a device, which is a transmission device that can improve performance, that includes: a light source; and a transmitter that generates a modulated signal based on an input signal and transmits the modulated signal from the light source as visible light by changing a luminance of the light source in accordance with the modulated signal. The transmitter includes, in the modulated signal, a plurality of items of information related to service set identifiers (SSIDs) of a plurality of mutually different access points in a wireless local area network (LAN), and transmits the modulated signal from the light source.
Transmission device, reception device, communication system, transmission method, reception method, and communication method
Provided is a device, which is a transmission device that can improve performance, that includes: a light source; and a transmitter that generates a modulated signal based on an input signal and transmits the modulated signal from the light source as visible light by changing a luminance of the light source in accordance with the modulated signal. The transmitter includes, in the modulated signal, a plurality of items of information related to service set identifiers (SSIDs) of a plurality of mutually different access points in a wireless local area network (LAN), and transmits the modulated signal from the light source.
Systems and methods for acquiring data from articles of merchandise on display
Embodiments of the present invention are directed to systems, devices, and methods for displaying and securing articles of merchandise. In one example, a merchandise security system includes a plurality of security devices. Each of the security devices is configured to be attached to an article of merchandise and includes an illumination source for generating a light signal. The system also includes at least one computing device configured to communicate with the illumination sources in order to obtain data from the security devices and/or the articles of merchandise. Each of the security devices is configured to configured to generate a security signal in response to removal of the article of merchandise from the security device.
Systems and methods for acquiring data from articles of merchandise on display
Embodiments of the present invention are directed to systems, devices, and methods for displaying and securing articles of merchandise. In one example, a merchandise security system includes a plurality of security devices. Each of the security devices is configured to be attached to an article of merchandise and includes an illumination source for generating a light signal. The system also includes at least one computing device configured to communicate with the illumination sources in order to obtain data from the security devices and/or the articles of merchandise. Each of the security devices is configured to configured to generate a security signal in response to removal of the article of merchandise from the security device.