CN2785036Y

CN2785036Y - Wireless laser remote control pen

Info

Publication number: CN2785036Y
Application number: CNU2005200159654U
Authority: CN
Inventors: 黄志毅
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-04-15
Filing date: 2005-04-15
Publication date: 2006-05-31
Anticipated expiration: 2015-04-15

Abstract

The utility model discloses a wireless laser remote control pen, which comprises two parts: a laser pen with wireless transmitting function and a receiver. An RF radio-frequency transmitting circuit that can transmit wireless signal is installed in the laser pen. A signal receiving circuit that is used to receive RF radio-frequency signals transmitted from the laser pen is installed in the receiver. When a user presses a button that can control the page up and page down of the computer on the laser pen, the RF radio-frequency circuit in the laser pen can transmit the signal via an antenna in a way of RF radio frequency. After the RF signal receiving circuit in the receiver receives the signal, the signal is processed and is transmitted to the computer mainboard via a USB plug on the receiver and a USB interface on the computer to operate the page up and page down on the computer.

Description

Wireless laser remote control pen

Technical field

The utility model relates to a kind of laser pen, refers to a kind of laser pen that can pass through wireless mode straighforward operation computer especially.

Background technology

Give lessons, occasion such as competitive bidding, plenary address, the release of new products, the speaker understands its speech content better in order to make the audience, usually some data relevant with the speech theme are input in the computer in advance, on-the-spot in speech, come out by computer, projector presentation again.For the ease of demonstration, the speaker normally stands in the computer next door, while the operating computer of giving a lecture.

The advantage of this speech mode is: can attract audience's notice tightly, be convenient to the audience and understand, remember the speech content.But also there are some shortcomings in this speech mode: 1, limited the scope of activities of speaker on the dais, zoomed out the distance between speaker and the audience.Because, the speaker will be in speech continuous operating computer, so for operating computer timely and accurately, he can only stand in the computer next door.2, when speaker's high water time of giving a lecture, its speech passion, thinking and action often browsed again and again computer document action and interrupt, make the speaker feel very awkward.

Summary of the invention

In view of the foregoing, the purpose of this utility model provides a kind of wireless laser remote control pen, and this laser remote-controlled pen is not only a laser pen, the more important thing is that it can pass through wireless mode straighforward operation computer, browses computer document.

For achieving the above object, the utility model by the following technical solutions: a kind of wireless laser remote control pen, it is made of the laser pen with wireless transmit function and receiver two parts;

Described laser pen is made of housing and the radio-frequency transmissions circuit that is installed in the wireless signal launched in the housing; In the mounted on surface of housing turnover key, Laser emission lamp and emitting antenna on turnover key, the computer are arranged under Laser emission button, the computer; The Laser emission button is connected in the Laser emission lamp electric power loop, whether D is luminous for control Laser emission lamp, under the computer on turnover key and the computer turnover key link to each other the whether page turning on the firing operation computer of control RF radio-frequency transmissions circuit, page turning signal down with the control end of RF radio-frequency transmissions circuit;

Described receiver is made of housing and the radiofrequency signal receiving circuit that is installed in the housing; End at housing is provided with a USB plug, and the signal output part of the radiofrequency signal receiving circuit in this USB plug and the housing links to each other; Be provided with an antenna that is used for received RF signal at the other end of housing, this antenna links to each other with radiofrequency signal receiving circuit in the housing; The radiofrequency signal receiving circuit is used for the radiofrequency signal of controlling actions of computer with laser pen emission, and the control signal that converts thereof into high and low level is transferred to computer main board through USB plug, computer USB interface and controls page turning or page turning down on the computer.

Described radio-frequency transmissions circuit is a RF radio-frequency transmissions circuit; Described radiofrequency signal receiving circuit is a RF radiofrequency signal receiving circuit.

Described radio-frequency transmissions circuit mainly is made up of coding chip, RF radio-frequency transmissions circuit, signal modulation circuit and 5V voltage stabilizing chip; 5V voltage stabilizing chip mainly is that the 12V power source conversion is become the 5V direct supply, for coding chip and Laser emission lamp provide 5V power supply; An end of turnover key links to each other with the 12V power supply under the described computer, and the other end links to each other with the signal input part of coding chip after the resistance step-down; An end of turnover key links to each other with the 12V power supply on the described computer, and the other end links to each other with the signal input part of coding chip after the resistance step-down; The signal input part signal of the signal output part of coding chip and signal modulation circuit, the signal output part of signal modulation circuit links to each other with the signal input part of RF radio-frequency transmissions circuit; The control end of coding chip provides 12V working power through switching tube for RF radio-frequency transmissions circuit.

Described signal receiving circuit mainly is made up of RF signal receiving circuit, demodulation chip, microprocessor chip; The signal output part of RF signal receiving circuit links to each other with the signal input part ANI of demodulation chip, the serial data output terminal of demodulation chip links to each other with the I/O mouth of microprocessor chip, and the D-/SDATA of microprocessor chip, D+/SCLK mouth link to each other with USB plug on the described receiver housing.

When the user push on the laser pen control the button of page turning on the computer or page turning down the time, the RF radio circuit in the laser pen just can pass through antenna with this signal, launches with the RF RF-wise.After RF signal receiving circuit in the receiver receives this signal, this signal is handled, handled after the USB plug on the receiver, the USB interface on the computer are transferred to computer main board, page turning or page turning down on the operating computer.

Because the utility model adopts above technical scheme, the outstanding advantage of the utility model is: when the speaker gives a lecture, and can be by wireless mode remote control, operating computer; Easy to use, volume is little, be easy to carry.

Description of drawings

Fig. 1 is the structural representation that the utlity model has the laser pen of wireless transmit function

Fig. 2 is the utility model receiver architecture synoptic diagram

Fig. 3 is the utility model radio transmitter physical circuit figure

Fig. 4 is the utility model wireless receiving circuit physical circuit figure

Embodiment

As shown in Figure 1 and Figure 2, the disclosed wireless laser remote control of the utility model pen is made of the laser pen 1 with wireless transmit function and receiver 2 two parts.

Laser pen 1 is made of housing 11 and the radio-frequency transmissions circuit 12 (as shown in Figure 3) that is installed in the wireless signal launched in the housing 11.In the mounted on surface of housing 11 turnover key S3, Laser emission lamp D and emitting antenna T on turnover key S2, the computer are arranged under Laser emission button S1, the computer.Laser emission button S1 is connected in the Laser emission lamp D electric power loop, whether D is luminous for control Laser emission lamp, under the computer on turnover key S2 and the computer turnover key S3 link to each other whether page turning on the firing operation computer of control RF radio-frequency transmissions circuit 12, page turning signal down with the control end of RF radio-frequency transmissions circuit 12.

Receiver 2 is made of housing 21 and the RF signal receiving circuits 22 (as shown in Figure 4) that are installed in the housing 21.End at housing 21 is provided with a USB plug 23, and the signal output part of the RF signal receiving circuit 22 in this USB plug and the housing 21 links to each other; Be provided with an antenna T who is used to receive the RF radiofrequency signal at the other end of housing 21, this antenna links to each other with RF signal receiving circuit 22 in the housing 21, is used to receive the signal that the RF radio-frequency transmissions circuit 12 in the laser pen 1 is launched.RF signal receiving circuit 22 is used for control signal that the RF radiofrequency signal of controlling actions of computer with laser pen 1 emission converts high and low level to and is transferred to computer main board through USB plug 23, computer USB interface and controls page turning or page turning down on the computer.

Fig. 3 is the physical circuit figure that is installed in the radio transmitter in the laser pen 1.As shown in the figure, this radio transmitter is a RF radio-frequency transmissions circuit, and it mainly is made up of coding chip IC1 (12C508), RF radio-frequency transmissions circuit 121, signal modulation circuit 122 and 5V voltage stabilizing chip IC 2 (XC6202).The 12V power supply is exported the 5V direct supply after 2 voltage stabilizings of 5V voltage stabilizing chip IC, for coding chip IC1 and Laser emission lamp D provide 5V power supply.

Laser emission button S1 is connected in the Laser emission lamp D electric power loop, press S1, the power input of voltage stabilizing chip IC 2 and 12V power connection, its output terminal output 5V direct supply VCC, coding chip IC1 work, the 7th pin output low level of IC1, through socket J7, Laser emission lamp D gets electroluminescence; Discharge button S1, the power input of voltage stabilizing chip IC 2 and 12V power end are opened, and the output terminal of IC2 is not exported the 5V direct supply, and coding chip IC1 does not work, the 7th pin output high level of IC1, and Laser emission lamp D extinguishes.

The end of turnover key S2 links to each other with the 12V power supply under the computer, the other end links to each other with the signal input part CP1 (the 6th pin) of coding chip IC1 after resistance R 8, R9 step-down, simultaneously, the other end of turnover key S2 also links to each other with the power input of voltage stabilizing chip IC 2 by diode D2 under the computer.The end of turnover key S3 links to each other with the 12V power supply on the computer, the other end links to each other with the signal input part CP2 (the 5th pin) of coding chip IC1 after resistance R 6, R7 step-down, simultaneously, the other end of turnover key S3 also links to each other with the power input of voltage stabilizing chip IC 2 by diode D1 on the computer.The signal input part signal of the signal output part CP4 of coding chip IC1 (pin 3) and signal modulation circuit 122 (resistance R 2, triode Q1, J crystal oscillator Y1, capacitor C 1, C2, inductance L 2), the signal output part of signal modulation circuit 122 links to each other with the signal input part of RF radio-frequency transmissions circuit 121.In addition, the control end CPS (pin two) of coding chip IC1 provides 12V working power through switching tube Q4 for RF radio-frequency transmissions circuit 121.

When turnover key S2 was pressed under the computer, voltage stabilizing chip IC 2 was started working the working power of 5V is provided for coding chip IC1, coding chip IC1 work.Again owing to following turnover key S2 is pressed, the signal input part CP1 of coding chip IC1 is a high level, the control end CPS output high level of coding chip IC1, switching tube (triode) Q4 conducting, RF radio-frequency transmissions circuit 121 gets with the 12V power connection, can work, design is for energy-conservation like this, RF radio circuit electric consumption not when not using; At this moment, turn over coded pulse signal under the signal output part CP4 output of coding chip IC1, this time turned over coded pulse signal and is modulated into frequency through signal modulation circuit 122 and becomes the signal of 315MHz to be transferred to RF radio-frequency transmissions circuit 121, launched by RF radio-frequency transmissions circuit 121.

In like manner, when turnover key S3 was pressed on the computer, voltage stabilizing chip IC 2 was started working the working power of 5V is provided for coding chip IC1, coding chip IC1 work.Be pressed owing to last turnover key S3 again, the signal input part CP2 of coding chip IC1 is a high level, the control end CPS output high level of coding chip IC1, switching tube (triode) Q4 conducting, RF radio-frequency transmissions circuit 121 and 12V power connection get electric, can work; At this moment, turn over coded pulse signal in the signal output part CP4 output of coding chip IC1, should on turn over coded pulse signal to be modulated into frequency through signal modulation circuit 122 be that the signal of 315MHz is transferred to RF radio-frequency transmissions circuit 121, launch by RF radio-frequency transmissions circuit 121.

Fig. 4 is the physical circuit figure that is installed in the wireless receiving circuit in the receiver.As shown in the figure, this circuit mainly is made up of RF signal receiving circuit 221, demodulation chip IC1 (MICRF011), microprocessor chip IC2 (CY7C63723-SC).The signal output part of RF signal receiving circuit 221 links to each other with the signal input part ANI (the 4th pin) of demodulation chip IC1, the serial data output terminal CTH (the 8th pin) of IC1 links to each other with the I/O mouth P0.0 of microprocessor chip IC2, the D-/SDATAD+/SCLK mouth of microprocessor chip IC2 (the 12nd, 13 pin) links to each other with the USB interface of computer through USB plug, signal with the laser pen 1 of RF signal receiving circuit reception is launched converts data transmission to and gives computing machine; Handle by computer system, do relevant operation.

When people press under the computer on turnover key S2 or the computer turnover key S3, the RF radio-frequency transmissions circuit of this signal in laser pen 1 is transmitted to receiver 2 by antenna T with the RF RF-wise, receiver 2 receives this signal by antenna T, and the RF signal receiving circuit 221 in receiver 2 and demodulation chip IC 1 convert serial data to, be transferred to microprocessor chip IC2, the signal that microprocessor chip IC2 becomes this conversion of signals USB to receive, then, be transferred to computer main board by the USB plug that links to each other with computer USB interface, control page turning or page turning down on the computer.

In addition, 14 pin of main control chip IC2 external a LED, the flicker that LED does not stop when receiver 2 has just been worked, just extinguish after LED dodges after receiver 2 receives signal after waiting then to receive signal bright again, with the duty of display receiver 2.

The above only is preferred embodiment of the present utility model, and protection domain of the present utility model is not limited thereto.Anyly all belong within the utility model protection domain based on the equivalent transformation on the technical solutions of the utility model.

Claims

1, a kind of wireless laser remote control pen, it is characterized in that: it is made of the laser pen with wireless transmit function and receiver two parts;

Described receiver is made of housing and the radiofrequency signal receiving circuit that is installed in the housing; End at housing is provided with a USB plug, and the signal output part of the radiofrequency signal receiving circuit in this USB plug and the housing links to each other; Be provided with an antenna that is used for received RF signal at the other end of housing, this antenna links to each other with radiofrequency signal receiving circuit in the housing.

2, a kind of wireless laser remote control pen according to claim 1, it is characterized in that: described radio-frequency transmissions circuit is a RF radio-frequency transmissions circuit; Described radiofrequency signal receiving circuit is a RF radiofrequency signal receiving circuit.

3, a kind of wireless laser remote control pen according to claim 2, it is characterized in that: described radio-frequency transmissions circuit mainly is made up of coding chip, RF radio-frequency transmissions circuit, signal modulation circuit and 5V voltage stabilizing chip;

5V voltage stabilizing chip mainly is that the 12V power source conversion is become the 5V direct supply, for coding chip and Laser emission lamp provide 5V power supply;

An end of turnover key links to each other with the 12V power supply under the described computer, and the other end links to each other with the signal input part of coding chip after the resistance step-down; An end of turnover key links to each other with the 12V power supply on the described computer, and the other end links to each other with the signal input part of coding chip after the resistance step-down; The signal input part signal of the signal output part of coding chip and signal modulation circuit, the signal output part of signal modulation circuit links to each other with the signal input part of RF radio-frequency transmissions circuit; The control end of coding chip provides 12V working power through switching tube for RF radio-frequency transmissions circuit.

4, according to claim 1 or 2 or 3 described a kind of wireless laser remote control pens, it is characterized in that: described signal receiving circuit mainly is made up of RF signal receiving circuit, demodulation chip, microprocessor chip;

The signal output part of RF signal receiving circuit links to each other with the signal input part ANI of demodulation chip, the serial data output terminal of demodulation chip links to each other with the I/O mouth of microprocessor chip, and the D-/SDATA of microprocessor chip, D+/SCLK mouth link to each other with USB plug on the described receiver housing.