摘要:
To improve the illumination efficiency of hand-held illumination devices, this invention proposes a new illumination device having the “rolling” function, which is capable of illuminating the target area on which a user is currently focusing and rolling the illuminated area as the user is reading forward or backward. The illumination device comprises two pluralities of lighting elements, an illuminating body and a controller. The controller can control one plurality of lighting elements to emit light to illuminate a part of the illuminating body, which can further deflect the light to a part of the surface of the target.
摘要:
To improve the illumination efficiency of hand-held illumination devices, this invention proposes a new illumination device having the “rolling” function, which is capable of illuminating the target area on which a user is currently focusing and rolling the illuminated area as the user is reading forward or backward. The illumination device comprises two pluralities of lighting elements, an illuminating body and a controller. The controller can control one plurality of lighting elements to emit light to illuminate a part of the illuminating body, which can further deflect the light to a part of the surface of the target.
摘要:
The invention provides a method and system of controlling illumination characteristics of a plurality of lighting segments. According to the invention, there is provided an illumination system, comprising: a plurality of lighting segments; a detecting subsystem configured to detect an illumination intensity and/or color of lights emitted from each lighting segment; a controller configured to receive the detecting subsystem's output signals representing illumination intensity and/or color of lights emitted from each lighting segment and to generate sets of driving signals to respectively adjust the driving currents of each lighting segment in response to the output signals, so as to adjust the illumination intensity and/or color of the lights emitted from each lighting segment in accordance with a predetermined illumination setting, wherein each set of driving signals has a unique period feature which is distinguished from that of other sets of driving signals corresponding to other lighting segments.
摘要:
The invention provides a method and system of controlling illumination characteristics of a plurality of lighting segments. According to the invention, there is provided an illumination system, comprising: a plurality of lighting segments; a detecting subsystem configured to detect an illumination intensity and/or color of lights emitted from each lighting segment; a controller configured to receive the detecting subsystem's output signals representing illumination intensity and/or color of lights emitted from each lighting segment and to generate sets of driving signals to respectively adjust the driving currents of each lighting segment in response to the output signals, so as to adjust the illumination intensity and/or color of the lights emitted from each lighting segment in accordance with a predetermined illumination setting, wherein each set of driving signals has a unique period feature which is distinguished from that of other sets of driving signals corresponding to other lighting segments.
摘要:
The present invention aims to provide a light guide apparatus based on diffraction gratings. The apparatus comprises a light guide plate (11) comprising a first diffraction grating (13) located on a first surface of or inside the light guide plate (11); a first light source (12), coupled to a first side of the light guide plate (11); wherein the first diffraction grating (11) is configured to extract the light generated by the first light source (12) from the first surface of the light guide plate (11). Since the first diffraction grating (13) is invisibly small, users hardly notice any change of the light guide (11). When the light guide apparatus of the present invention is used as a book reader, the dark area produced when lifting the book reader in a direction away from the objects to be read is smaller than that of existing light guide apparatus based on microstructures, since the light exit angle is relatively small when using a diffraction grating.
摘要:
This invention relates to an illumination apparatus. The illumination apparatus comprises a light guide plate and a light source configured to emit light into the light guide plate through a first surface, and the light guide plate comprises a concentrator configured to direct incident light in the light guide plate so as to radiate in a direction substantially parallel to a preset plane. The preset plane is perpendicular to any one of the top surface and bottom surface of the light guide plate, and intersects the first surface and a second surface of the light guide plate or intersects the first surface and one of the side surfaces at an angle that is substantially larger than the critical angle of a total reflection. In this way, unwanted light loss in the light guide plate is reduced, and the distribution of the light intensity or luminance along the light guide plate is improved, i.e., a substantially uniform distribution of the light intensity can be achieved.
摘要:
The invention discloses a light guide apparatus which comprises a light guide (1). The light guide (1) comprises a plurality of diffraction gratings (2) on a first surface of the light guide (1), wherein each diffraction grating (2) has a pre-set pitch and is configured to diffract a portion of light emitted from a corresponding light source to one side of the light guide (1). As the plurality of diffraction gratings (2) is placed on the first surface of the light guide (1) facing the light sources, the light guide apparatus is more robust to damage and fingerprints.
摘要:
The electronic device (21) for receiving product-related data comprises a memory (23) for storing a unique product identifier identifying a product selected from a database, a wireless transmitter (25), a wireless receiver (27) and a processor (29). The processor (29) performs a method comprising the steps of wirelessly transmitting a unique product identifier to be received by a nearby electronic device, the unique product identifier identifying a product selected from a database, and wirelessly receiving data related to said product from the nearby electronic device. The electronic device (31) for transmitting product-related data comprises a storage means (33) for storing a unique product identifier and data associated with the unique product identifier, a wireless transmitter (35), a wireless receiver (37) and a processor (39). The processor performs a method comprising the steps of wirelessly receiving a unique product identifier from a further electronic device in a vicinity of the electronic device, the unique product identifier identifying a product selected from a database, and wirelessly transmitting data associated with the unique product identifier to the further electronic device.
摘要:
There is provided a method of automatically including one or more context related links in association with scene data content. The method is distinguished in that involves providing a recording apparatus including: (i) a data store for reading and/or writing data content; (ii) a sensor for sensing audio and/or visual subject matter from a scene and generating corresponding scene data content; (iii) identifying components for use in identifying a spatial location of the apparatus in proximity of the scene and/or an identity of the scene; (iv) a microprocessor for co-ordinating operation of the data store, the sensor and the identifying components. The method involves the steps of: (b) arranging for the data store to include link data susceptible to being invoked to associate one or more spatial locations and/or scene identities with corresponding linkable data content; (c) activating the apparatus in proximity of a desired scene and receiving audio and/or visual subject matter therefrom to generate corresponding desired scene data content; (d) using the identifying components to determine a spatial location of the apparatus in proximity of the desired scene and/or an identity of the desired scene; (e) identifying one or more links in the link data associated with the spatial location and/or identity determined in step (d) and recording them automatically together in the data store with at least one of the desired scene data content derived from step (c) and the spatial location and/or identity from step (d). The one or more links are concurrently and/or subsequently susceptible to being invoked to include corresponding linkable data content with the scene data to generate final composite data content.
摘要:
The present invention relates to a method and a system for performing digital rights management. The idea of the invention is that a master right associated with a content is stored at a first authorised device (211). An authorised device is a device which can be considered trusted and performs actions with contents according to the associated rights. These devices enforce rights that are bound to contents, and perform the security tasks of the DRM system employed. A subright is derived from the master right, which subright controls what type of access a second authorised device (261) is given to the associated content. Finally, the subright is distributed to the second authorised device, given that the second device complies with predetermined distribution criteria associated with the master right. The device distributing the subright authenticates the device which is to receive the subright, ensuring that the second device can be trusted.