JP2007288384A5 - - Google Patents
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- Publication number
- JP2007288384A5 JP2007288384A5 JP2006111547A JP2006111547A JP2007288384A5 JP 2007288384 A5 JP2007288384 A5 JP 2007288384A5 JP 2006111547 A JP2006111547 A JP 2006111547A JP 2006111547 A JP2006111547 A JP 2006111547A JP 2007288384 A5 JP2007288384 A5 JP 2007288384A5
- Authority
- JP
- Japan
- Prior art keywords
- signal
- optical
- television
- optical receiver
- receiver
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000003287 optical Effects 0.000 claims 21
- 230000005540 biological transmission Effects 0.000 claims 11
- 238000006243 chemical reaction Methods 0.000 claims 5
- 230000005236 sound signal Effects 0.000 claims 2
- 230000001702 transmitter Effects 0.000 claims 1
Claims (4)
上記送信側設備から送出された光伝送信号を伝送する光伝送線路と、
上記光伝送線路を経由して伝送された光伝送信号をテレビ用電気信号に変換して出力する光受信機を有する１つ以上の受信側設備とを備えたケーブルテレビ放送システムであって、
上記受信側設備の光受信機は、該光受信機が受信した光伝送信号を電気エネルギーに変換する光電変換部を具備し、
上記受信側設備の有する複数の機器のうち、少なくとも上記光受信機は、該光受信機の光電変換部により得られた電気エネルギーでもって作動するように構成されていることを特徴とするケーブルテレビ放送システム。 A transmission-side facility having an optical transmitter that converts an electrical signal for television formed by mixing a video signal and an audio signal into an optical transmission signal and outputs the optical transmission signal;
An optical transmission line for transmitting an optical transmission signal sent from the transmission side equipment;
A cable television broadcasting system comprising one or more receiving-side equipment having an optical receiver that converts an optical transmission signal transmitted via the optical transmission line into an electrical signal for television and outputs the signal.
The optical receiver of the receiving-side equipment includes a photoelectric conversion unit that converts an optical transmission signal received by the optical receiver into electrical energy,
Of the plurality of devices included in the reception-side equipment, at least the optical receiver is configured to operate with electric energy obtained by a photoelectric conversion unit of the optical receiver. Broadcast system.
受信側設備は、光受信機に加え、該光受信機から出力されたテレビ用電気信号に基づいて映像および音声を再生するテレビ受像機を有する加入者設備とされ、
上記テレビ受像機についても、上記光受信機の光電変換部により得られた電気エネルギーでもって作動するように構成されていることを特徴とするケーブルテレビ放送システム。 In the cable television broadcasting system according to claim 1,
In addition to the optical receiver, the receiving-side equipment is a subscriber equipment having a television receiver that reproduces video and audio based on the television electrical signal output from the optical receiver,
The cable television broadcasting system, wherein the television receiver is also configured to operate with electric energy obtained by the photoelectric conversion unit of the optical receiver.
受信側設備は、光受信機に加え、該光受信機から出力されたテレビ用電気信号を複数の加入者設備に向けて送信する送信装置を有する共聴設備とされ、
上記送信装置についても、上記光受信機の光電変換部により得られた電気エネルギーでもって作動するように構成されていることを特徴とするケーブルテレビ放送システム。 In the cable television broadcasting system according to claim 1,
In addition to the optical receiver, the receiving-side equipment is a hearing facility having a transmission device that transmits electric signals for television output from the optical receiver to a plurality of subscriber equipment,
The cable television broadcasting system, wherein the transmitting device is also configured to operate with electric energy obtained by the photoelectric conversion unit of the optical receiver.
上記受光部に連設され、該受光部により受光された光伝送信号を電気エネルギーに変換する光電変換部と、
上記光電変換部により得られた電気エネルギーの供給を受け、上記受光部から出力されたテレビ用電気信号を適正な電圧レベルに変圧して出力するＲＦ信号変圧部とを有することを特徴とする光受信機。 A light receiving unit for converting an optical transmission signal obtained by converting a television electrical signal obtained by mixing a video signal and an audio signal into a television electrical signal;
A photoelectric conversion unit that is connected to the light receiving unit and converts an optical transmission signal received by the light receiving unit into electrical energy;
And an RF signal transformer that receives the electrical energy obtained by the photoelectric converter and transforms the electrical signal for television output from the light receiver to an appropriate voltage level and outputs it. Receiving machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006111547A JP4452251B2 (en) | 2006-04-14 | 2006-04-14 | Cable television broadcasting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006111547A JP4452251B2 (en) | 2006-04-14 | 2006-04-14 | Cable television broadcasting system |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2007288384A JP2007288384A (en) | 2007-11-01 |
| JP2007288384A5 true JP2007288384A5 (en) | 2009-11-12 |
| JP4452251B2 JP4452251B2 (en) | 2010-04-21 |
Family
ID=38759758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006111547A Active JP4452251B2 (en) | 2006-04-14 | 2006-04-14 | Cable television broadcasting system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4452251B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008311706A (en) * | 2007-06-12 | 2008-12-25 | Hochiki Corp | Optical network terminating device |
| US9241199B2 (en) * | 2008-02-11 | 2016-01-19 | Mitsubishi Cable Industries, Ltd. | Announcement broadcasting system, announcement broadcasting optical receiver used for the announcement broadcasting system, cable television broadcasting system, and optical receiver used for the cable television broadcasting system |
| JP5124365B2 (en) * | 2008-07-02 | 2013-01-23 | Ｄｘアンテナ株式会社 | Optical receiver |
| JP5308174B2 (en) * | 2009-02-02 | 2013-10-09 | Ｄｘアンテナ株式会社 | Optical receiver management program, optical receiver management apparatus, and optical transmission system |
| JP7370295B2 (en) * | 2020-04-03 | 2023-10-27 | 三菱電機株式会社 | Optical communication device, optical communication system, and implementation method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002300110A (en) * | 2001-04-03 | 2002-10-11 | Yosuke Tanaka | Light-power/signal supply device, and optical signal/ power multiplex transmission system utilizing the device |
| JP2002300108A (en) * | 2001-04-03 | 2002-10-11 | Dainippon Printing Co Ltd | Information communication terminal with photoelectric conversion section and network information communication service method using the same |
| JP2004266663A (en) * | 2003-03-03 | 2004-09-24 | Yasuhiro Koike | Optical fiber and signaling system |
| JP4272959B2 (en) * | 2003-09-17 | 2009-06-03 | Ｎｅｃマグナスコミュニケーションズ株式会社 | CATV transmission system and CATV transmission method |
| JP4083764B2 (en) * | 2005-09-14 | 2008-04-30 | 三菱電線工業株式会社 | Notification broadcasting system |
| JP4083763B2 (en) * | 2005-09-14 | 2008-04-30 | 三菱電線工業株式会社 | Optical receiver for announcement broadcasting |
-
2006
- 2006-04-14 JP JP2006111547A patent/JP4452251B2/en active Active
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