JP2013247652A5 - - Google Patents
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- JP2013247652A5 JP2013247652A5 JP2012122397A JP2012122397A JP2013247652A5 JP 2013247652 A5 JP2013247652 A5 JP 2013247652A5 JP 2012122397 A JP2012122397 A JP 2012122397A JP 2012122397 A JP2012122397 A JP 2012122397A JP 2013247652 A5 JP2013247652 A5 JP 2013247652A5
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- power
- power supply
- negotiation
- feeding
- receiving device
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- 230000000875 corresponding Effects 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims 3
Description
上記の目的を達成するための本発明による受電装置は以下の構成を備える。即ち、
給電装置からのネットワークケーブルによるPoE給電に対応した受電装置であって、
当該受電装置がオプション装置と接続されていない場合には、物理層の給電ネゴシエーションで前記給電装置に第1の電力を要求する第1の要求手段と、
当該受電装置が前記オプション装置と接続されている場合には、前記オプション装置を介する前記第1の電力の給電が開始された後に、データリンク層の給電ネゴシエーションで前記第1の電力より大きい第2の電力を前記給電装置に要求する第2の要求手段と
を備える。
In order to achieve the above object, a power receiving device according to the present invention comprises the following arrangement. That is,
A power receiving device corresponding to PoE power feeding by a network cable from a power feeding device,
If the power receiving device is not connected to an optional device , a first request means for requesting the first power to the power supply device by physical layer power supply negotiation;
The If the powered device is connected to the option device, the optional device after the power supply of the first power is started through the data link layer of the first at the feed negotiation of power larger than the second Second request means for requesting the power to the power supply apparatus.
上記(2−1)の方法による電力給電手順を図1、図2、図3、図8を用いて以下に説明する。
Figure 1 by that power feeding procedure method (2-1), 2, 3, will be described below with reference to FIG.
Claims (11)
当該受電装置がオプション装置と接続されていない場合には、物理層の給電ネゴシエーションで前記給電装置に第1の電力を要求する第1の要求手段と、
当該受電装置が前記オプション装置と接続されている場合には、前記オプション装置を介する前記第1の電力の給電が開始された後に、データリンク層の給電ネゴシエーションで前記第1の電力より大きい第2の電力を前記給電装置に要求する第2の要求手段と
を備えることを特徴とする受電装置。 A power receiving device corresponding to PoE power feeding by a network cable from a power feeding device,
If the power receiving device is not connected to an optional device , a first request means for requesting the first power to the power supply device by physical layer power supply negotiation;
The If the powered device is connected to the option device, the optional device after the power supply of the first power is started through the data link layer of the first at the feed negotiation of power larger than the second And a second request means for requesting the power to the power supply device.
ことを特徴とする請求項1に記載の受電装置。 The power receiving device according to claim 1, wherein the power receiving device is connected to the optional device via a network cable .
ことを特徴とする請求項1または2に記載の受電装置。 The power receiving device according to claim 1, wherein the second request unit controls the option device after requesting the second power.
ことを特徴とする請求項1乃至3のいずれか1項に記載の受電装置。 The power receiving device according to claim 1, wherein the power receiving device is a power receiving device.
前記受電装置がハウジングと接続されていない場合に、第1の電力の給電のための給電ネゴシエーションを前記給電装置と行う第1の給電ネゴシエーション手段と、 First power supply negotiation means for performing power supply negotiation for power supply with the power supply device when the power receiving device is not connected to the housing;
前記受電装置が前記ハウジングと接続されている場合に、ハウジングを介する前記第1の電力の給電が開始された後に、前記第1の電力より大きい第2の電力の給電のための給電ネゴシエーションを前記給電装置と行う第2の給電ネゴシエーション手段と When the power receiving device is connected to the housing, the feeding negotiation for feeding the second power larger than the first power is performed after the feeding of the first power through the housing is started. Second power supply negotiation means for performing with the power supply device;
を備えることを特徴とする受電装置。 A power receiving device comprising:
ことを特徴とする請求項5に記載の受電装置。 The power receiving device according to claim 5.
ことを特徴とする請求項1乃至6のいずれか1項に記載の受電装置。 The power receiving device according to any one of claims 1 to 6 , wherein the power receiving device is a network camera.
前記ハウジングは、前記ネットワークカメラと前記ハウジングが接続されている場合に、第1の電力の給電のための給電ネゴシエーションを行う第1の給電ネゴシエーション手段を備え、
前記ネットワークカメラは、前記ネットワークカメラと前記ハウジングが接続されていない場合に、前記第1の電力の給電のための給電ネゴシエーションを行い、前記ネットワークカメラと前記ハウジングが接続されている場合に、前記第1の電力の給電後に、前記第1の電力より大きい第2の電力の給電のための給電ネゴシエーションを行う第2の給電ネゴシエーション手段を備える
ことを特徴とするシステム。 A network camera that supports PoE power supply via a network cable from a power supply device, and a system having a housing in which the network camera is installed ,
The housing includes first power supply negotiation means for performing power supply negotiation for power supply of the first power when the network camera and the housing are connected.
The network camera performs power supply negotiation for supplying the first power when the network camera and the housing are not connected . When the network camera and the housing are connected , the network camera performs the power supply negotiation . A system comprising: second power supply negotiation means for performing power supply negotiation for power supply of second power larger than the first power after power supply of one power .
当該受電装置がオプション装置と接続されていない場合には、物理層の給電ネゴシエーションで前記給電装置に第1の電力を要求する第1の要求工程と、
当該受電装置が前記オプション装置と接続されている場合には、前記オプション装置を介する前記第1の電力の給電が開始された後に、データリンク層の給電ネゴシエーションで前記第1の電力より大きい第2の電力を前記給電装置に要求する第2の要求工程と
を備えることを特徴とする受電装置の制御方法。 A method for controlling a power receiving apparatus corresponding to PoE power feeding by a network cable from a power feeding apparatus,
If the power receiving device is not connected to an optional device , a first requesting step for requesting the first power to the power feeding device by physical layer power feeding negotiation;
The If the powered device is connected to the option device, the optional device after the power supply of the first power is started through the data link layer of the first at the feed negotiation of power larger than the second And a second requesting step for requesting the power supply device to supply power to the power supply device.
前記受電装置がハウジングと接続されていない場合に、第1の電力の給電のための給電ネゴシエーションを前記給電装置と行う第1の給電ネゴシエーション工程と、 A first power supply negotiation step of performing power supply negotiation with the power supply device for power supply when the power receiving device is not connected to the housing;
前記受電装置が前記ハウジングと接続されている場合に、ハウジングを介する前記第1の電力の給電が開始された後に、前記第1の電力より大きい第2の電力の給電のための給電ネゴシエーションを前記給電装置と行う第2の給電ネゴシエーション工程と When the power receiving device is connected to the housing, the feeding negotiation for feeding the second power larger than the first power is performed after the feeding of the first power through the housing is started. A second power supply negotiation step performed with the power supply device;
を備えることを特徴とする受電装置の制御方法。 A method for controlling a power receiving apparatus.
前記コンピュータを、
当該受電装置がオプション装置と接続されていない場合には、物理層の給電ネゴシエーションで前記給電装置に第1の電力を要求する第1の要求手段と、
当該受電装置が前記オプション装置と接続されている場合には、前記オプション装置を介する前記第1の電力の給電が開始された後に、データリンク層の給電ネゴシエーションで前記第1の電力より大きい第2の電力を前記給電装置に要求する第2の要求手段と
して機能させることを特徴とするプログラム。 A program for causing a computer to function to control a power receiving device corresponding to PoE power feeding by a network cable from a power feeding device,
The computer,
If the power receiving device is not connected to an optional device , a first request means for requesting the first power to the power supply device by physical layer power supply negotiation;
The If the powered device is connected to the option device, the optional device after the power supply of the first power is started through the data link layer of the first at the feed negotiation of power larger than the second A program for causing the power supply apparatus to function as a second requesting unit.
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JP2012122397A JP5938273B2 (en) | 2012-05-29 | 2012-05-29 | Power receiving apparatus, control method therefor, and program |
Applications Claiming Priority (1)
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JP2012122397A JP5938273B2 (en) | 2012-05-29 | 2012-05-29 | Power receiving apparatus, control method therefor, and program |
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JP2013247652A JP2013247652A (en) | 2013-12-09 |
JP2013247652A5 true JP2013247652A5 (en) | 2015-06-25 |
JP5938273B2 JP5938273B2 (en) | 2016-06-22 |
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Families Citing this family (4)
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CN104037955B (en) * | 2014-06-24 | 2017-02-01 | 嘉兴创德电子有限公司 | Ethernet power supply device, Ethernet power supply subsystem and Ethernet power supply system |
WO2017217284A1 (en) * | 2016-06-16 | 2017-12-21 | ソニー株式会社 | Module apparatus and broadcasting system |
JP7071090B2 (en) * | 2017-10-31 | 2022-05-18 | キヤノン株式会社 | Power receiving device, power receiving device control method, and program |
JP7298398B2 (en) * | 2019-08-30 | 2023-06-27 | 東芝ライテック株式会社 | lighting equipment |
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US20070110360A1 (en) * | 2005-11-15 | 2007-05-17 | Linear Technology Corporation | Dynamic power allocation in system for providing power over communication link |
US7890776B2 (en) * | 2006-06-28 | 2011-02-15 | Broadcom Corporation | Use of priority information to intelligently allocate power for personal computing devices in a Power-over-Ethernet system |
JP2009033247A (en) * | 2007-07-24 | 2009-02-12 | Toshiba Corp | Information terminal device and option unit therefor |
JP2009033395A (en) * | 2007-07-26 | 2009-02-12 | Nec Infrontia Corp | Power supply system, power receiving device, and power supply method |
JP2009106127A (en) * | 2007-10-25 | 2009-05-14 | Sharp Corp | PoE POWER RECEIVING DEVICE |
JP2010081545A (en) * | 2008-09-29 | 2010-04-08 | Canon Inc | Wall-mounted monitoring camera system, and monitoring camera housing case |
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