초록 ▼

A light modulation element which has a light guide body 11 for guiding light from a light source and a flexible thin film 12 having a phosphor 13 being provided facing the light guide body 11. The distance between the flexible thin film 12 and the light guide body 11 is changed by the electromechani

A light modulation element which has a light guide body 11 for guiding light from a light source and a flexible thin film 12 having a phosphor 13 being provided facing the light guide body 11. The distance between the flexible thin film 12 and the light guide body 11 is changed by the electromechanical operation and light emission of the phosphor 13 excited by the guided light is controlled.

대표청구항 ▼

A light modulation element which has a light guide body 11 for guiding light from a light source and a flexible thin film 12 having a phosphor 13 being provided facing the light guide body 11. The distance between the flexible thin film 12 and the light guide body 11 is changed by the electromechani

A light modulation element which has a light guide body 11 for guiding light from a light source and a flexible thin film 12 having a phosphor 13 being provided facing the light guide body 11. The distance between the flexible thin film 12 and the light guide body 11 is changed by the electromechanical operation and light emission of the phosphor 13 excited by the guided light is controlled. cooperative mobile antenna apparatus as set forth in claim 1, wherein the blind source separation element is comprised of a joint approximate diagonalization of eigenmatrices independent component analysis algorithm. 5. A cooperative mobile antenna apparatus as set forth in claim 1, wherein the identified and selectively isolated signals are routed to appropriate destinations within the first plurality of local nodes. 6. A cooperative mobile antenna apparatus as set forth in claim 1, wherein when the local nodes are transmitting, the separate data channels are routed to the proper nodes from the blind source separation along with correct antenna coefficients. 7. A cooperative mobile antenna apparatus as set forth in claim 1, wherein overhead costs for the local communication between local nodes in the first plurality of nodes is less than overhead costs for communication between a local node in the first plurality of nodes and a host node. 8. A cooperative mobile antenna apparatus as set forth in claim 7, wherein the first plurality of nodes communicate with one another and each node sends messages only to its nearest neighbors. 9. A cooperative mobile antenna apparatus as set forth in claim 1, wherein the reference signal is utilized to optimize the performance of the Blind Source Separation processor; and wherein a plurality of beamforming coefficients are developed by the first plurality of local nodes using the reference signal, and wherein the plurality of beamforming coefficients are utilized by the first plurality of local nodes to form a virtual antenna array; whereby the first plurality local nodes directionally receive or transmit electromagnetic radiation. 10. A cooperative mobile antenna apparatus as set forth in claim 1, wherein, the reference signal is optimized, such that the Blind Source Separation processor can achieve convergence quickly; and whereby the first plurality of local nodes can adapt to changing reception patterns and relative motion effects quickly. 11. A cooperative mobile antenna apparatus as set forth in claim 1, wherein electromagnetic radiation containing data signal is transmitted and received until the quality of the data signals drops below a predefined threshold, at which time a new reference signal is transmitted. 12. A cooperative mobile antenna apparatus as set forth in claim 1, wherein the reference signal is optimized, to facilitate the rapid convergence in the blind source separation element; whereby the blind source separation element can adapt to changed communication channels and relative motion effects very quickly. 13. A cooperative mobile antenna apparatus as set forth in claim 12, wherein the optimization of the reference signals involves satisfying a number of criteria, including at least one of the following: i. ensuring that the reference signals experiences the same environmental conditions as the data signals; ii. providing reference signals that are statistically independent; iii. providing reference signals that have nonzero kurtosis; iv. providing reference signals that are locally stationary in the statistical sense; v. providing reference signals that have low bandwidth requirements. 14. A method for forming a virtual antenna array comprising: i. providing a first plurality of local nodes configured to receive and transmit electromagnetic radiation; ii. providing a host node configured to receive and transmit electromagnetic radiation; iii. providing a blind source separation element operatively interconnected to the plurality of local nodes; wherein the host node is configured to send a training or reference signal to the plurality of local nodes; and wherein the first plurality of local nodes are configured to utilize the training or reference signal as a means for determining their orientation and position relative to the host node so that they can identify and selectively isolate incoming signals from the host node and transmit t