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Communication via a power waveform

A waveform and power technology, applied in the field of communication via power waveforms, can solve the problems of not being easy to install, expensive equipment, etc.

Active Publication Date: 2015-09-30
SIGNIFY HLDG BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such specific equipment is often prohibitively expensive and / or may not easily fit into existing lighting fixtures or the light poles that support the lighting fixtures

Method used

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  • Communication via a power waveform
  • Communication via a power waveform
  • Communication via a power waveform

Examples

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Embodiment Construction

[0038] In the following detailed description, for purposes of explanation rather than limitation, representative embodiments disclosing specific details are set forth in order to provide a thorough understanding of the invention as claimed. However, it will be apparent to persons of ordinary skill in the art having the benefit of this disclosure that other embodiments in accordance with the present teachings depart from the specific details disclosed herein and still be within the scope of the appended claims. Moreover, descriptions of well-known apparatus and methods are omitted so as not to obscure the description of the representative embodiments. Such methods and apparatus are clearly within the scope of the claimed invention. For example, various embodiments of the methods disclosed herein are particularly suitable for adjusting the dimming levels of street lighting fixtures in a street lighting network. Accordingly, for purposes of illustration, the claimed invention is...

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Abstract

Methods of controlling an apparatus based on analysis of an input power waveform supplied to the apparatus. The methods may comprise demodulating a plurality of incoming data packets from the input power waveform. The methods may comprise determining whether N data packets of said plurality of incoming data packets are the same, wherein N is a positive integer having a dynamic value that depends on the input power waveform. The methods may comprise controlling at least one aspect of the apparatus based on said N data packets if said N data packets were determined to be the same. Also disclosed are apparatus corresponding to such methods.

Description

technical field [0001] The present invention is generally directed to the control of devices connected to power lines. More specifically, various inventive methods and apparatus disclosed herein relate to controlling a device, such as a lighting fixture, based on analysis of an input power waveform supplied to the device. Background technique [0002] Devices, such as lighting fixtures, have been designed that are capable of receiving control signals for controlling one or more aspects of the device. For example, certain lighting fixtures receive control signals that may at least selectively specify a dimming level for such lighting fixtures. [0003] One existing solution for transmitting such control signals utilizes one or more separate control lines extending from the controller to the lighting fixture. Data packets are then sent over the control lines to control the lighting fixtures. Data packetization and communication may follow communication protocols such as DMX...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B3/54H05B37/02
CPCH04B2203/5458H04B3/54H05B37/02H04B3/542H05B47/185H04B17/00
Inventor W.P.范德布鲁格
Owner SIGNIFY HLDG BV