CN105245287A - Indoor type optical receiver - Google Patents
Indoor type optical receiver Download PDFInfo
- Publication number
- CN105245287A CN105245287A CN201510614735.8A CN201510614735A CN105245287A CN 105245287 A CN105245287 A CN 105245287A CN 201510614735 A CN201510614735 A CN 201510614735A CN 105245287 A CN105245287 A CN 105245287A
- Authority
- CN
- China
- Prior art keywords
- unit
- signal transmission
- transmission unit
- radio frequency
- light signal
- 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.)
- Pending
Links
Abstract
The invention discloses an indoor type optical receiver. The indoor type optical receiver comprises an optical signal reception unit, a first signal transmission unit, a second signal transmission unit and an optical signal returning unit; the first signal transmission unit and the second signal transmission unit are respectively provided with an output unit; one end of each output unit is communicated with the optical signal reception unit while the other end of each output unit is communication with the optical signal returning unit; and each output unit is also provided with two radio frequency signal output ports. Through the way above, the indoor type optical receiver can improve transmission accuracy and is steady in signals, simple in structure, convenient in adjustment, safe and reliable.
Description
Technical field
The present invention relates to fibre optic transmission equipment field, particularly relate to a kind of indoor type optical receiver.
Background technology
The invention of optical fiber brings a revolutionary change in the communications field.Since the nineties in last century, optical fiber communication is popularized on a large scale, and optical transmitter and receiver is one of requisite equipment in optical fiber communication.Optical transmitter and receiver is the terminal equipment of optical signal transmission, it mainly adopt analog fm, amplitude modulation, phase modulation mode the signal transmission of base band is modulated to a certain year item, carry out demodulation by the receiver of the other end, revert to corresponding baseband signal.Optical transmitter and receiver of the prior art generally includes multi-mode optical module, PCB, analog to digital converter, single-chip microcomputer, independent current source and supporting multiple electronic devices and components.This type of optical transmitter and receiver not only expensive, volume comparatively greatly, and does not reach remote or the effect of overlength distance transmission in transmission range.In addition, when also there is manufacturing cost, the defects such as plant maintenance or maintenance difficulty height.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of indoor type optical receiver, can improve transmission accuracy, signal stabilization, and structure is simple, easy to adjust, safe and reliable.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of indoor type optical receiver, comprise: light signal receiving element, first signal transmission unit, secondary signal transmission unit and light signal back propagation unit, described first signal transmission unit, secondary signal transmission unit are equipped with output unit, one end of described output unit is connected with light signal receiving element, the other end is connected with light signal back propagation unit, and output unit is also provided with two RF signal output mouths.
In a preferred embodiment of the present invention, described first signal transmission unit also comprises equalizer, described equalizer one end is connected with light signal receiving element, the other end is connected with attenuator, described attenuator is connected with radio frequency amplifier, described radio frequency amplifier is connected with output unit, and described output unit is also connected with light signal back propagation unit by attenuator.
In a preferred embodiment of the present invention, described secondary signal transmission unit also comprises equalizer, described equalizer one end is connected with light signal receiving element, the other end is connected with radio frequency amplifier, described radio frequency amplifier is connected with output unit, and described output unit is also connected with light signal back propagation unit by attenuator.
In a preferred embodiment of the present invention, described light signal receiving element comprises Optical Receivers, the receiving optical signals input of described Optical Receivers one end, the other end is connected with the first signal transmission unit, secondary signal transmission unit by radio frequency amplifier, and described Optical Receivers is also connected with luminous power indicating member.
In a preferred embodiment of the present invention, described light signal back propagation unit comprises and oppositely returns light emission component, described reverse passback light emission component one end output optical signal, the other end is connected with attenuator, described attenuator is connected with radio frequency amplifier, and described radio frequency amplifier is connected with the first signal transmission unit, secondary signal transmission unit.
The invention has the beneficial effects as follows: indoor type optical receiver of the present invention, can improve transmission accuracy, signal stabilization, structure is simple, easy to adjust, safe and reliable.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of indoor type optical receiver one of the present invention preferred embodiment.
Embodiment
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, a kind of indoor type optical receiver, comprise: light signal receiving element, first signal transmission unit, secondary signal transmission unit and light signal back propagation unit, described first signal transmission unit, secondary signal transmission unit are equipped with output unit, one end of described output unit is connected with light signal receiving element, and the other end is connected with light signal back propagation unit, and output unit is also provided with two RF signal output mouths.
In addition, described first signal transmission unit also comprises equalizer, described equalizer one end is connected with light signal receiving element, the other end is connected with attenuator, described attenuator is connected with radio frequency amplifier, described radio frequency amplifier is connected with output unit, and described output unit is also connected with light signal back propagation unit by attenuator.
In addition, described secondary signal transmission unit also comprises equalizer, and described equalizer one end is connected with light signal receiving element, and the other end is connected with radio frequency amplifier, described radio frequency amplifier is connected with output unit, and described output unit is also connected with light signal back propagation unit by attenuator.
In addition, described light signal receiving element comprises Optical Receivers, the receiving optical signals input of described Optical Receivers one end, the other end is connected with the first signal transmission unit, secondary signal transmission unit by radio frequency amplifier, and described Optical Receivers is also connected with luminous power indicating member.
In addition, described light signal back propagation unit comprises and oppositely returns light emission component, described reverse passback light emission component one end output optical signal, the other end is connected with attenuator, described attenuator is connected with radio frequency amplifier, and described radio frequency amplifier is connected with the first signal transmission unit, secondary signal transmission unit.
Be different from prior art, indoor type optical receiver of the present invention, can improve transmission accuracy, signal stabilization, and structure is simple, easy to adjust, safe and reliable.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present invention.
Claims (5)
1. an indoor type optical receiver, it is characterized in that, comprise: light signal receiving element, first signal transmission unit, secondary signal transmission unit and light signal back propagation unit, described first signal transmission unit, secondary signal transmission unit are equipped with output unit, one end of described output unit is connected with light signal receiving element, and the other end is connected with light signal back propagation unit, and output unit is also provided with two RF signal output mouths.
2. indoor type optical receiver according to claim 1, it is characterized in that, described first signal transmission unit also comprises equalizer, described equalizer one end is connected with light signal receiving element, the other end is connected with attenuator, described attenuator is connected with radio frequency amplifier, and described radio frequency amplifier is connected with output unit, and described output unit is also connected with light signal back propagation unit by attenuator.
3. indoor type optical receiver according to claim 1, it is characterized in that, described secondary signal transmission unit also comprises equalizer, described equalizer one end is connected with light signal receiving element, the other end is connected with radio frequency amplifier, described radio frequency amplifier is connected with output unit, and described output unit is also connected with light signal back propagation unit by attenuator.
4. indoor type optical receiver according to claim 1, it is characterized in that, described light signal receiving element comprises Optical Receivers, the receiving optical signals input of described Optical Receivers one end, the other end is connected with the first signal transmission unit, secondary signal transmission unit by radio frequency amplifier, and described Optical Receivers is also connected with luminous power indicating member.
5. indoor type optical receiver according to claim 1, it is characterized in that, described light signal back propagation unit comprises and oppositely returns light emission component, described reverse passback light emission component one end output optical signal, the other end is connected with attenuator, described attenuator is connected with radio frequency amplifier, and described radio frequency amplifier is connected with the first signal transmission unit, secondary signal transmission unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510614735.8A CN105245287A (en) | 2015-09-24 | 2015-09-24 | Indoor type optical receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510614735.8A CN105245287A (en) | 2015-09-24 | 2015-09-24 | Indoor type optical receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105245287A true CN105245287A (en) | 2016-01-13 |
Family
ID=55042805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510614735.8A Pending CN105245287A (en) | 2015-09-24 | 2015-09-24 | Indoor type optical receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105245287A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2779736Y (en) * | 2005-04-04 | 2006-05-10 | 长春市三强电子有限责任公司 | Dual-purpose receiver for both optical receiver and amplifier |
| CN201388205Y (en) * | 2009-03-27 | 2010-01-20 | 泉州市视通光电网络有限公司 | Feedback light receiver module |
| CN202475432U (en) * | 2012-03-15 | 2012-10-03 | 嘉兴市华特电子实业有限公司 | Intelligent remote-control optical receiver |
| CN202931330U (en) * | 2012-12-18 | 2013-05-08 | 福州爱威网络传输设备有限公司 | Cable television optical receiver |
| CN203522751U (en) * | 2013-09-24 | 2014-04-02 | 杭州万隆光电设备股份有限公司 | CATV network optical receiver |
| CN104410846A (en) * | 2014-12-11 | 2015-03-11 | 成都新光微波工程有限责任公司 | Optical workstation of digital television |
| CN205123749U (en) * | 2015-09-24 | 2016-03-30 | 江苏阿尔特光电科技有限公司 | Indoor type light receiver |
-
2015
- 2015-09-24 CN CN201510614735.8A patent/CN105245287A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2779736Y (en) * | 2005-04-04 | 2006-05-10 | 长春市三强电子有限责任公司 | Dual-purpose receiver for both optical receiver and amplifier |
| CN201388205Y (en) * | 2009-03-27 | 2010-01-20 | 泉州市视通光电网络有限公司 | Feedback light receiver module |
| CN202475432U (en) * | 2012-03-15 | 2012-10-03 | 嘉兴市华特电子实业有限公司 | Intelligent remote-control optical receiver |
| CN202931330U (en) * | 2012-12-18 | 2013-05-08 | 福州爱威网络传输设备有限公司 | Cable television optical receiver |
| CN203522751U (en) * | 2013-09-24 | 2014-04-02 | 杭州万隆光电设备股份有限公司 | CATV network optical receiver |
| CN104410846A (en) * | 2014-12-11 | 2015-03-11 | 成都新光微波工程有限责任公司 | Optical workstation of digital television |
| CN205123749U (en) * | 2015-09-24 | 2016-03-30 | 江苏阿尔特光电科技有限公司 | Indoor type light receiver |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2015132772A3 (en) | Photonic-assisted rf spectrum scanner for ultra-wide band receivers | |
| CN104821851A (en) | 2ASK preprocessing visible light communication system | |
| CN106230516A (en) | Radar communication based on microwave photon antagonism integral system | |
| CN205123749U (en) | Indoor type light receiver | |
| CN106788732A (en) | A kind of Low speed photo modular converter | |
| CN105245287A (en) | Indoor type optical receiver | |
| CN205212844U (en) | Open -air two -way optical receiver that uses | |
| CN205212843U (en) | Open -air type four ways optical receiver | |
| CN105871770B (en) | Method and device for controlling bias point voltage of modulator | |
| CN105375987A (en) | Field two-way optical receiver | |
| CN203399124U (en) | Building-type light-receiving adjustable isostatic-correction circuit | |
| CN105375988A (en) | Field four-way optical receiver | |
| CN202841136U (en) | RFoG optical node for triple-play networks | |
| CN204668437U (en) | Novel cavity merit filter-divider | |
| CN204597973U (en) | Optical fiber communication experimental optical receiver module | |
| CN204633777U (en) | The pretreated visible light communication system of a kind of 2ASK | |
| CN203788284U (en) | Apparatus controlling radio frequency gain | |
| CN203554450U (en) | SFP+LRM optical module | |
| CN102932061A (en) | Time delay compensation system | |
| JP2014053879A (en) | Tv optical transmission system configuration | |
| CN205283541U (en) | Visible light receiving converter ware | |
| CN104507007A (en) | True diversity wireless microphone system | |
| CN203645675U (en) | Multipath optical switch for testing performance of light transmitting and receiving integrated module | |
| CN201887769U (en) | Short wave transmission system | |
| CN203617993U (en) | Duplexer system with variable gain and power allocation functions |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160113 |