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Transmission method, transmission device, and recording medium

A transmission method and technology of a transmission device, which are applied in selective content distribution, instruments, and short-range systems, etc., can solve problems such as difficulty in achieving cost and insufficient computing power.

Active Publication Date: 2021-09-07
PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are also home appliances that have insufficient computing power in terms of having a communication function, or home appliances that are difficult to implement a communication function in terms of cost, etc.

Method used

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  • Transmission method, transmission device, and recording medium
  • Transmission method, transmission device, and recording medium
  • Transmission method, transmission device, and recording medium

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0455] Hereinafter, Embodiment 1 will be described.

[0456] (Observation of the brightness of the light-emitting part)

[0457] An imaging method is proposed in which, when capturing a single image, not all imaging elements are exposed at the same timing, but exposure is started and ended at different timings for each imaging element. figure 1 This is an example in the case of simultaneously exposing the imaging elements arranged in one row and staggering the exposure start time in order of the row from the nearest to the farthest. Here, the exposure line of the simultaneously exposed imaging element is referred to as the line of pixels on the image corresponding to the imaging element is referred to as the bright line.

[0458] In the case of using this imaging method to capture a flickering light source over the entire surface of the imaging element, as follows: figure 2 In this way, bright lines (light and dark lines of pixel values) along the exposure line are generate...

Embodiment approach 2

[0491] In this embodiment, each application example using a receiver such as a smartphone as the information communication device K90 of the first embodiment and a transmitter that transmits information as a blink pattern of a light source such as LED and / or organic EL will be described.

[0492] In addition, in the following description, imaging in the normal imaging mode or the normal imaging mode is referred to as normal imaging, and imaging in the visible light communication mode or in the visible light communication mode is referred to as visible light imaging (visible light communication). In addition, instead of normal photography and visible light photography, intermediate mode photography may be used, or an intermediate image may be used instead of a composite image to be described later.

[0493] Figure 7 It is a figure which shows an example of the imaging|photography operation|movement of the receiver of this embodiment.

[0494] The receiver 8000 switches the ph...

Embodiment approach 3

[0569] In the present embodiment, each application example using a receiver such as a smartphone and a transmitter that transmits information as a blinking pattern of LEDs, organic ELs, or the like according to Embodiment 1 or 2 will be described.

[0570] Figure 26 It is a figure which shows an example of the processing operation of the receiver, the transmitter, and the server in Embodiment 3. FIG.

[0571] For example, the receiver 8142 configured as a smartphone acquires position information indicating its own position, and transmits the position information to the server 8141 . In addition, the receiver 8142 obtains the position information when receiving other signals, for example, using GPS or the like. The server 8141 transmits to the receiver 8142 an ID list associated with the location indicated by the location information. In the ID list, according to IDs such as "abcd", the ID and the information corresponding to the ID are included.

[0572] The receiver 8142 ...

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PUM

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Abstract

The sending method includes: a step of accepting the dimming degree designated for the light source as the designated dimming degree (S551); The dimming degree emits light, and the signal encoded in the first mode is sent through the brightness change. The 2-mode coded signal specifies that the value of the peak current of the light source when the degree of dimming is greater than the first value and not more than the second value is smaller than the value of the peak current of the light source when the degree of dimming is designated as the first value.

Description

technical field [0001] The present invention relates to a transmission method, a transmission device, a program, and the like of a visible light signal. Background technique [0002] In recent home networks, in addition to the cooperation of AV household appliances through IP (Internet Protocol) connection under Ethernet (registered trademark) or wireless LAN (Local Area Network), there is also an amount of electric power used in response to environmental problems. The introduction of a home energy management system (HEMS) that has functions such as power on / off from outside the house is promoting the introduction of a home appliance coordination function that connects a variety of home appliances to the network. However, in terms of having a communication function, there are home appliances that have insufficient computing power, and home appliances that have a communication function that is difficult to implement in terms of cost. [0003] In order to solve such a problem...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04B10/116G06T19/00H04N21/472
CPCH04B10/116H04B10/1149H04B10/1141
Inventor 青山秀纪大岛光昭
Owner PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA
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