CN1273488A - Infrared remote-controlled multi-point remote repeater system - Google Patents
Infrared remote-controlled multi-point remote repeater system Download PDFInfo
- Publication number
- CN1273488A CN1273488A CN99114189A CN99114189A CN1273488A CN 1273488 A CN1273488 A CN 1273488A CN 99114189 A CN99114189 A CN 99114189A CN 99114189 A CN99114189 A CN 99114189A CN 1273488 A CN1273488 A CN 1273488A
- Authority
- CN
- China
- Prior art keywords
- infrared remote
- infrared
- remote
- controlled
- 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
Images
Landscapes
- Selective Calling Equipment (AREA)
Abstract
An infrared remote-controlled multi-point repeater system for electronic education technically features that the infrared remote controller and infrared remote-controlled signal receiver are additionally attached to cable TV terminal, the infrared remote-controlled signal repeater is set up in a central control room, and the said repeater and said signal receiver are linked to each other in wiring or wireless mode. Its advantages include no modification to existing broadcast system, and simple operation.
Description
The present invention relates to a kind of control appliance of audiovisual teaching equipment, particularly a kind of infrared remote-controlled multi-point remote repeater system that in electronic teaching, uses.
At existing cable television system center, television program transmission equipment generally is installed in the central control room of television system.The central control room operating personnel realize the broadcast State Control of TV programme by the correlation function button on the operation television program transmission equipment.Common television program transmission equipment (as: video tape recorder, VCD etc.) all is furnished with Infrared remote controller, so operating personnel also can realize the broadcast control of TV programme by the correlation function button on the operation Infrared remote controller.Owing to be subjected to the influence of infrared transmission proper property, the control range of existing Infrared remote controller is closer, and intercepts in the middle of can not existing in transmission path.For such cable television system,, as the F.F. of TV programme, suspend, repeat etc., will be a very thing of difficulty if need adjust the broadcast progress of TV programme according to the teaching arrangement of course at any time the on class teacher of a certain remote tv machine end.
In the control technology of existing television program transmission, it is the simplest control method that the sound Command Control Room personnel by the teacher carry out Artificial Control to relevant device.The shortcoming of this control method is that control room personnel's operation is no matter in the operation process or be difficult to meet teacher's wish on the operation response time.
At classroom installation and control device, the control of being finished television program transmission by the operation of teacher controller of giving a lesson is another kind of common method.Since television program transmission equipment fast-growth, equipment is various in style and control mode is complicated, does not still have a kind of comparatively general purpose control device product to occur at present.On the other hand, often need carry out necessary change to television program transmission equipment for finishing controller to the controlled function of institute's control appliance, unreasonable change may have influence on the normal use of television program transmission equipment.The 3rd, how the static controller that install in the classroom overcomes and will face a suitable difficult problem aspect daily student's the damage that misoperation produced.
(as: video recorder, VCD etc.) directly bring the classroom into television program transmission equipment, by teacher on class carry out " face-to-face " control operation this meet a kind of television program transmission control mode of teaching needs beyond doubt most.But the existence of the volume of television program transmission equipment, weight, service condition or the like factor makes the control method of this " face-to-face " become a kind of reality that is unable to reach.
The object of the present invention is to provide a kind of under the condition that does not change existing cable television system composition and layout, by increasing long-distance infrared remote-controlled forwarding, realize infrared remote-controlled multi-point remote repeater system to " face-to-face " control of various main television program transmission equipment.
The technical solution that realizes the object of the invention is: a kind of infrared remote-controlled multi-point remote repeater system, its feature is provided with Infrared remote controller and infrared remote-controlled signal recipient at each CATV terminal that need carry out control operation, at central control room the infrared remote-controlled signal transponder is set, this transponder is connected by wired or wireless mode with the infrared remote-controlled signal recipient of CATV terminal, the infrared remote-controlled signal transponder is connected with television program transmission equipment by the emission infrared signal, and television program transmission equipment is connected with television set by modulator.
Principle of the present invention is that it is made up of some infrared remote-controlled signal receivers and a remote signal transponder.The remote signal transponder is installed in the place ahead of television program transmission equipment in the cable television system, and the infrared remote-controlled signal receiver need be placed in dais or other places in classroom by the teacher that gives a lesson by education activities.When certain television program transmission equipment was controlled in teacher on class need be to cable television system, he can use the Infrared remote controller of this television program transmission equipment in the hand to the infrared remote-controlled signal receiver emission infrared control signal that is placed on the dais, classroom.This infrared control signal is converted to the signal of telecommunication by the infrared remote-controlled signal receiver, this signal of telecommunication is transferred in the infrared remote-controlled signal transponder by wired or wireless transmission means, changes infrared signal into by this transponder and removes to control corresponding cable TV playing device.Thereby realized " face-to-face " control to television program transmission equipment.Adopt the control operation mode and the original equipment control mode of long-distance infrared remote-controlled transponder identical.
The utility model compared with prior art, its remarkable advantage is: (1) need not to change television program transmission equipment integral layout, just can realize " face-to-face " Long-distance Control of multiple spot; (2) identical with the control mode of normal tv program playing device; (3) be applicable to that all have the audiovisual teaching equipment Long-distance Control of function of infrared remote control.
Fig. 1 is the principle of compositionality figure of system of the present invention.
Fig. 2 is the circuit theory diagrams of wireless transmission method of the present invention.
Below in conjunction with accompanying drawing the present invention is further described.
In conjunction with the accompanying drawings, infrared remote-controlled multi-point remote repeater system of the present invention is by monitor, playing device, modulator, Infrared remote controller, the infrared signal recipient, the infrared remote-controlled signal transponder constitutes, monitor, Infrared remote controller and infrared signal recipient are located at the instructional terminal, as classroom etc., playing device such as VCD, video recorder, modulators etc. are arranged at central control room, television set is connected with playing device by modulator, at central control room, also be provided with the infrared remote-controlled signal transponder that links to each other with playing device, this transponder is connected with the infrared remote-controlled signal recipient by wired or wireless mode, to realize the transmission of remote signal.The Infrared remote controller of faculty by being held in the control hand just can realize the Long-distance Control to playing device.Under wireless transmission method, realize that by infrared circuit and the radio transmitter accepted signal sends, obtain optically-controlled signal by wireless receiving circuit and electro-optical conversion circuit then.
Claims (2)
1, a kind of infrared remote-controlled multi-point remote repeater system, it is characterized in that needing the CATV terminal of control operation that the infrared remote-controlled signal transponder is set at each, this transponder is connected by wired or wireless mode with the infrared remote-controlled signal recipient of CATV terminal, the infrared remote-controlled signal transponder is connected with television program transmission equipment by the emission infrared signal, and television program transmission equipment is connected with television set by modulator.
2, a kind of infrared remote-controlled multi-point remote repeater system, it is characterized in that infrared during with the wireless mode transmitting optical signal, the infrared remote-controlled signal recipient is accepted circuit and radio transmitter is formed by infrared, and the infrared signal transponder is made up of wireless receiving circuit and electro-optical conversion circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99114189A CN1273488A (en) | 1999-05-06 | 1999-05-06 | Infrared remote-controlled multi-point remote repeater system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN99114189A CN1273488A (en) | 1999-05-06 | 1999-05-06 | Infrared remote-controlled multi-point remote repeater system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1273488A true CN1273488A (en) | 2000-11-15 |
Family
ID=5277299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN99114189A Pending CN1273488A (en) | 1999-05-06 | 1999-05-06 | Infrared remote-controlled multi-point remote repeater system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1273488A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100361515C (en) * | 2004-10-28 | 2008-01-09 | 南京Lg同创彩色显示系统有限责任公司 | Remote control equipment |
| CN100430970C (en) * | 2001-05-10 | 2008-11-05 | 汤姆森许可公司 | Economical extension of the operating distance of an RF remote link accommodating IR remote controls having differing IR carrier frequencies |
| CN107195167A (en) * | 2016-03-15 | 2017-09-22 | 零度智控（北京）智能科技有限公司 | The communication system and method for controlled plant and the application controlled plant |
-
1999
- 1999-05-06 CN CN99114189A patent/CN1273488A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100430970C (en) * | 2001-05-10 | 2008-11-05 | 汤姆森许可公司 | Economical extension of the operating distance of an RF remote link accommodating IR remote controls having differing IR carrier frequencies |
| CN100361515C (en) * | 2004-10-28 | 2008-01-09 | 南京Lg同创彩色显示系统有限责任公司 | Remote control equipment |
| CN107195167A (en) * | 2016-03-15 | 2017-09-22 | 零度智控（北京）智能科技有限公司 | The communication system and method for controlled plant and the application controlled plant |
| CN107195167B (en) * | 2016-03-15 | 2019-11-08 | 天津远翥科技有限公司 | The communication system and method for controlled plant and the application controlled plant |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20050233297A1 (en) | Remote communication apparatus | |
| CN103198725B (en) | Cloud Teaching Probing classroom | |
| CN108831218A (en) | Teleeducation system based on virtual reality | |
| CN105676705A (en) | Intelligent classroom control system and intelligent classroom control method | |
| CN204360609U (en) | A kind of strange land synchronization video interactive network tutoring system | |
| CN206389440U (en) | Removable many seat in the plane Autoconductings record live broadcast device | |
| CN106023689A (en) | Teaching management system | |
| CN204576476U (en) | Teaching information administrative terminal system | |
| CN202677652U (en) | Real-time remote teaching system | |
| CN205983949U (en) | Teaching management system | |
| CN1607780A (en) | Wireless audio-video conversion transmitting-receiving system and method thereof | |
| CN1273488A (en) | Infrared remote-controlled multi-point remote repeater system | |
| CN203759899U (en) | Wireless teaching system | |
| CN103531049A (en) | Remote synchronous interactive network teaching platform | |
| CN109637234A (en) | A kind of computer information technology instructional device | |
| CN103702090A (en) | Multifunctional video system and operating method thereof | |
| CN205123897U (en) | Long -range outdoor scene classroom monitored control system | |
| CN205620705U (en) | Smart classroom control system | |
| CN103150934A (en) | Laboratory room interactive teaching system | |
| CN102333097A (en) | Two-way real-time communication system for distance education | |
| CN218446411U (en) | Control cabinet of wisdom classroom | |
| CN106923510A (en) | A kind of intelligent tutoring desk | |
| KR100223185B1 (en) | Remote education system using pcvd | |
| CN100413338C (en) | Multimedia teaching video network system | |
| CN105554047A (en) | Method for monitoring mobile equipment applied to teaching, control equipment, and mobile equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |