CN2586214Y - Radio remote controller for multimedia displaying - Google Patents
Radio remote controller for multimedia displaying Download PDFInfo
- Publication number
- CN2586214Y CN2586214Y CN 02257924 CN02257924U CN2586214Y CN 2586214 Y CN2586214 Y CN 2586214Y CN 02257924 CN02257924 CN 02257924 CN 02257924 U CN02257924 U CN 02257924U CN 2586214 Y CN2586214 Y CN 2586214Y
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- China
- Prior art keywords
- circuit
- phase
- input end
- pin
- output terminal
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Abstract
The utility model relates to a wireless remote controller for multimedia demonstration, and is a device for multimedia demonstration. The utility model is composed of an emitting part and a receiving part, wherein, the receiving part is composed of an amplifying and decoding circuit, a reverse-phase and differentiating circuit, a waveform generating circuit, a phase-shift circuit, a multiway switch and a universal serial bus (USB) interface circuit. The input end of the amplifying and decoding circuit is connected with an antenna, and the output end of the amplifying and decoding circuit is connected with the input end of the reverse-phase and differentiating circuit. The input end of the waveform generating circuit is connected with the reverse-phase and differentiating circuit, and the output end of the waveform generating circuit is respectively connected with the multiway switch and the input end of the phase-shift circuit. The output end of the phase-shift circuit is connected with the input end of the multiway switch. The output end of the multiway switch is connected with the input end of the USB interface circuit. As an emitter uses a wireless emission special integrated chip, the peripheral element is few, the structure is compact, and the volume is small. The radius is effectively controlled to achieve 50 meters. The utility model is suitable for various multimedia lecture occasions. The function key of the emitter is pressed, and the utility model controls the functions of forward turning, backwards turning, line change, cartoon change, etc. of the displayed contents of projective large screens.
Description
One, technical field
The utility model is a kind of multimedia presentation wireless remote controller, belongs to the technical field that the computing machine matching component is made.
Two, background technology
Multimedia technology application is understood universal day by day in classroom instruction, various reports meeting, demonstration.Up to the present, no matter classroom instruction or public lecture, the switching of its demo content all utilizes wire mouse or keyboard to realize, and the speaker can not leave mouse or keyboard, often feels inconvenient.
Three, technology contents
1, technical matters
Goal of the invention of the present utility model is to provide the multimedia presentation of a kind of wireless (electromagnetic wave) control
Wireless remote controller.
2, technical scheme
The utility model is made up of radiating portion and acceptance division branch, receiving unit is made up of amplification and decoding scheme, anti-phase and differentiating circuit, wave generator circuit, phase-shift circuit, multi-way switch, usb circuit, the input end and the antenna (ANT) of amplification and decoding scheme join, and the input end of output terminal and anti-phase and differentiating circuit joins; Anti-phase and the differentiating circuit of input termination of wave generator circuit, output terminal connect the input end of multi-way switch and moving-circuitry phase, the input end of the output termination multi-way switch of phase-shift circuit respectively; The input end of the output termination usb circuit of multi-way switch amplifies and the output terminal of decoding scheme is diode D
1, D
2Negative pole, the base stage that to connect anti-phase and input end differentiating circuit be triode T, the input end of wave generator circuit is an integrated circuit (IC)
1" 2 " pin, the collector that is triode T with anti-phase and output terminal differentiating circuit joins; The output terminal of wave generator circuit is an integrated circuit (IC)
1" 3 " pin to connect multi-way switch be integrated circuit (IC)
3" 6 " pin, IC
4" 5 " pin, another output terminal that the road takes place waveform is an integrated circuit (IC)
1" 6,7 " pin, by divider resistance R
5With the input end of phase-shift circuit be integrated circuit (IC)
2" 6,2 " pin join, the output terminal of multi-way switch 5 is an integrated circuit (IC)
3, IC
4" 11 " pin, the input end that connects usb circuit 6 respectively is an integrated circuit (IC)
5" 11,7 " pin.The power supply of entire circuit (5V) is provided by USB interface of computer.
3, technique effect
Advantage of the present utility model is: transmitter uses the wireless transmit special integrated chip, peripheral unit
Part is few, and compact conformation is pocket small and exquisite, and effective controlling radius reaches 50 meters, is applicable to that various multimedias drill
Say occasion.The volume and the common mouse of radio receiving unit are similar, directly insert meter as computer annex
The USB interface of calculation machine is pressed the function key of transmitter, promptly may command projective large-screen displaying contents before
Turn over, after turn over, function such as line feed, animation conversion.
Four, description of drawings
Fig. 1 is a general structure block diagram of the present utility model.Wherein have and amplify and decoding scheme 1, anti-phase and differentiating circuit 2, wave generator circuit 3, phase-shift circuit 4, multi-way switch 5, usb circuit 6.
Fig. 2 is a transmitter unit electrical schematic diagram of the present utility model.Turn over before wherein having key a, after turn over key b.
Fig. 3, Fig. 4 are receiving element electrical schematic diagrams of the present utility model.
Five, specific embodiments
The technical solution of the utility model is that this device is divided into remote-control transmitting part and receiving unit.Radiating portion is made of button, coding integrated package, emitting antenna etc.; Receiving unit by receiving antenna, amplify decoding scheme 1 (5272-M4), anti-phase and differentiating circuit 2 (transistor T), wave generator circuit 3 (IC
1-555), phase-shift circuit 4 (IC
2-555), multi-way switch 5 (IC
3-CD4001, IC
4-CD4001), usb circuit 6 (IC
5-mouse special integrated chip GL600USB) composition such as.Amplification and decoding function are finished D by integrated package 5272-M4
1And D
2Decoded signal is sent into phase inverter.Phase inverter is by triode T and resistance R
1, R
2Form.Signal after anti-phase is through C
1Send into monostalbe trigger.Monostalbe trigger is by 555 timer (IC
1), resistance R
3, R
4, R
5And capacitor C
2, C
3Form.Capacitor C
2The triangle wave voltage of last generation is directly sent into 555 timer (IC
2) 2 and 6 pin, 555 timer IC
2And resistance R
6Constitute this schmitt trigger.555 timer IC
1And IC
23 pin send the square-wave signal of phase place difference (mutually leading or lag behind) respectively, and be admitted to the input end of multi-path digital switch respectively.The multi-path digital switch is by two four Sheffer stroke gate integrated circuit die I C
3And IC
4Form.Integrated chip IC
36 pin and IC
45 pin be connected, receive by integrated chip IC
1The square-wave signal of output terminal 3 pin output.IC
48 pin be connected with 9 pin, receive by IC
4The square-wave signal of output terminal 3 pin output.IC
32 pin and IC
46 pin be connected and link to each other integrated chip IC with the B end that amplifies decoding integrated package 5272-M4
35 pin and IC
42 pin be connected and link to each other with the A end that amplifies decoding integrated package 5272-M4.IC
311 pin and IC
411 pin be respectively two output terminals of multi-path digital switch, IC
311 pin signal is directly sent into mouse integrated chip (IC
5) 7 pin of GL600USB, IC
411 pin signal is directly sent into mouse integrated chip IC
511 pin.IC
58 pin and 9 pin be the output terminal of mouse integrated chip, directly be connected with USB interface of computer.D
3Be the LED light emitting diode, in order to indication wireless receiving state.
Press button may command A, B two end datas of telepilot, the variation of A, B data determines square-wave signal mutually leading of two output terminals of multi-way switch or lags behind, thus control multimedia presentation content before turn over and after turn over.This is a unique distinction of the present utility model.
Claims (4)
1, a kind of multimedia presentation wireless remote controller, form by radiating portion and acceptance division branch, it is characterized in that receiving unit forms by amplifying with decoding scheme (1), anti-phase and differentiating circuit (2), wave generator circuit (3), phase-shift circuit (4), multi-way switch (5), usb circuit (6), the input end and the antenna ANT of amplification and decoding scheme (1) join, and output terminal and input end anti-phase and differentiating circuit (2) join; Anti-phase and the differentiating circuit (2) of the input termination of wave generator circuit (3), output terminal connects the input end of multi-way switch (5) and phase-shift circuit (4) respectively, the input end of the output termination multi-way switch (5) of phase-shift circuit (4); The input end of the output termination usb circuit (6) of multi-way switch (5).
2, multimedia presentation wireless remote controller according to claim 1 is characterized in that the output terminal that amplifies with decoding scheme (1) is diode D
1, D
2Negative pole, connecing anti-phase and input end differentiating circuit (2) is the base stage of triode T.
3, multimedia presentation wireless remote controller according to claim 1 is characterized in that the input end of wave generator circuit (3) is an integrated circuit (IC)
1" 2 " pin, the collector that is triode T with anti-phase and output terminal differentiating circuit (2) joins; The output terminal of wave generator circuit (3) is an integrated circuit (IC)
1" 3 " pin to connect multi-way switch (5) be integrated circuit (IC)
3" 6 " pin, IC
4" 5 " pin, another output terminal that road (3) takes place waveform is an integrated circuit (IC)
1" 6,7 " pin, by divider resistance R
5With the input end of phase-shift circuit (4) be integrated circuit (IC)
2" 6,2 " pin join.
4, multimedia presentation wireless remote controller according to claim 1 is characterized in that the output terminal of multi-way switch (5) is an integrated circuit (IC)
3, IC
4" 11 " pin, the input end that connects usb circuit (6) respectively is an integrated circuit (IC)
5" 11,7 " pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02257924 CN2586214Y (en) | 2002-10-23 | 2002-10-23 | Radio remote controller for multimedia displaying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02257924 CN2586214Y (en) | 2002-10-23 | 2002-10-23 | Radio remote controller for multimedia displaying |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2586214Y true CN2586214Y (en) | 2003-11-12 |
Family
ID=33725779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02257924 Expired - Fee Related CN2586214Y (en) | 2002-10-23 | 2002-10-23 | Radio remote controller for multimedia displaying |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2586214Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100388171C (en) * | 2004-06-24 | 2008-05-14 | 三星电机株式会社 | Projector and method for selecting multiple modes in projecting system |
| CN100423035C (en) * | 2005-04-28 | 2008-10-01 | 廖锦新 | Radio control device and method for multimedium teaching |
-
2002
- 2002-10-23 CN CN 02257924 patent/CN2586214Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100388171C (en) * | 2004-06-24 | 2008-05-14 | 三星电机株式会社 | Projector and method for selecting multiple modes in projecting system |
| CN100423035C (en) * | 2005-04-28 | 2008-10-01 | 廖锦新 | Radio control device and method for multimedium teaching |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |