CN2358492Y

CN2358492Y - Device capable of calling wireless keyboard

Info

Publication number: CN2358492Y
Application number: CN 98207813
Authority: CN
Inventors: 许玲音
Original assignee: Silitek Corp
Current assignee: Lite On Technology Corp
Priority date: 1998-08-14
Filing date: 1998-08-14
Publication date: 2000-01-12
Anticipated expiration: 2008-08-14

Abstract

The utility model relates to a device capable of calling a wireless keyboard. The utility model comprises a computer wireless keyboard receiving unit, an emitter for monitoring, a wireless keyboard, a receiver for monitoring, etc., wherein, a wireless keyboard receiver of the computer wireless keyboard receiving unit, which is connected with a host computer, is provided with the emitter for monitoring; the wireless keyboard is assembled with the receiver for monitoring. When a user wants to find the wireless keyboard, only an emission button on the wireless keyboard receiver is pressed, a high-frequency signal sent out by the emitter for monitoring can be received by the receiver for monitoring on the wireless keyboard, the high-frequency signal is decoded so that a buzzer circuit sends out sound, and the position of the wireless keyboard is available.

Description

Can call out the device of Wireless Keyboard

The utility model relates to a kind of device of calling out Wireless Keyboard, refers to a kind of device that can seek the Wireless Keyboard position by Radio Transmission Technology especially.

Wireless Keyboard is not because of there being the fixedly yoke of line length, so can indiscriminately ad. as one wishes on any receivable position, use, increase many convenience, also therefore make Wireless Keyboard not place regularly, after it is finished using,, or collected to more not obvious place as placement arbitrarily conveniently, when treating down less important use, then more time-consuming on looking for.

The purpose of this utility model provides a kind of device of calling out Wireless Keyboard, so that the user can look for this Wireless Keyboard easily, reaches the effect that saves time.

The utility model is achieved in that and includes: a Wireless Keyboard, one computer wireless keyboard receiving element, a monitoring are monitored with transmitter and and are used receiver, it is characterized in that: wherein computer wireless keyboard receiving element comprises a Wireless Keyboard receiver and a host computer, the Wireless Keyboard receiver is connected in host computer, this Wireless Keyboard receiver receives the coded signal that Wireless Keyboard is launched, and, deliver to host computer again with this signal decoding, to carry out corresponding work; Wherein transmitter is used in monitoring, is assembled on the Wireless Keyboard receiver, produces high-frequency signal, and this signal is launched; Wherein receiver use in monitoring, is assembled on the Wireless Keyboard, receive to monitor the high-frequency signal that sends with transmitter, this signal decoding just, and then sound, thereby know this Wireless Keyboard position.

Wherein monitor with transmitter and comprise: a single-shot trigger circuit produces a pulse triggering signal; One high frequency carrier control circuit is connected in single-shot trigger circuit output, and accepts the triggering of single-shot trigger circuit output signal, produces high-frequency signal; And an antenna, be connected the output of high frequency carrier control circuit, high-frequency signal is launched.

Wherein the high frequency carrier control circuit can connect the selector switch of a setting different frequency.

Wherein monitor and comprise: an antenna with receiver; One high frequency receiving circuit is connected in antenna, receives high-frequency signal; One decoding unit is connected in high frequency receiving circuit output, and high-frequency signal is decoded; And a buzzer circuit, being connected decoding unit output, it is driven by the decoding unit signal, sounds.

Wherein decoding unit can connect the selector switch of a setting different frequency.

Wherein the Wireless Keyboard internal circuit comprises: an input block; One coding unit is connected in the output of input block, will input to the signal encoding of coding unit; One IR transmitter is connected in coding unit output, and coded signal is launched; And a battery power supply, be connected in coding unit, for the working power of each circuit unit.

Wherein Wireless Keyboard comprises: an IR receives module, and the coded signal that the wiring Wireless Keyboard sends, and a decoding unit are connected in IR and receive module output, with the coded signal decoding that receives, and deliver to host computer, carry out relative work.

Characteristics of the present utility model are: when user's desire is sought Wireless Keyboard, as long as on this Wireless Keyboard receiver, press the emission button, the high-frequency signal that the transmitter of monitoring usefulness sends can be received with receiver by the monitoring on the Wireless Keyboard, and this signal decoded, and then buzzer circuit is sounded, and know this Wireless Keyboard position.

Below in conjunction with drawings and Examples, feature of the present utility model and structure are described;

Fig. 1 is a synoptic diagram of the present utility model;

Fig. 2 is Wireless Keyboard of the present utility model and the circuit side connector block diagram of monitoring with transmitter;

Fig. 3 is Wireless Keyboard of the present utility model and the circuit side connector block diagram of monitoring with receiver;

Fig. 4 is an operational flowchart of the present utility model;

Fig. 5 is an enforcement illustration of the present utility model;

Fig. 6 is the circuit diagram of Wireless Keyboard receiver;

Fig. 7 is the circuit diagram of monitoring with transmitter;

Fig. 8 is the Wireless Keyboard internal circuit diagram;

Fig. 9 is the circuit diagram of monitoring with receiver.

Consult Fig. 1-Fig. 9, the utility model is a kind of device of calling out Wireless Keyboard, includes a computer wireless keyboard receiving element, (it is made up of a Wireless Keyboard transmitter 1 and a host computer 2), one monitoring transmitter 3, a Wireless Keyboard 4 and a monitoring receiver 5, wherein:

The IR that Wireless Keyboard receiver 1 is connected to form by elements such as an integrated circuit U1, transistor Q3, Q4, resistance R 13, capacitor C 10 receives module 11 and a decoding unit 12 of being made up of elements such as integrated circuit U2, U3, transistor Q1, Q2, resistance R 1, R2, R14～R17, diode D2 connects to form, the output of decoding unit 12 is connected on the host computer 2, the power supply unit of host computer 2 provides Wireless Keyboard receiver 1 and the monitoring working power of transmitter 3, and is provided with an emission button 13 on this Wireless Keyboard receiver 1.

The IR of this Wireless Keyboard receiver 1 receives module 11 and receives the coded signal that Wireless Keyboard 4 is launched, and transmits the signal to decoding unit 12 decodings, and afterwards, this decoding unit 12 can be sent to host computer 2 with decoding back signal, to carry out corresponding work.

Monitoring transmitter 3, be assembled on the Wireless Keyboard receiver 1, it is made up of single-shot trigger circuit 31, high frequency carrier control circuit 32, antenna 33 and first channel button 34, and wherein single-shot trigger circuit 31 is to be connected to form by elements such as a switch SW, resistance R 70, R71, capacitor C 72, integrated circuit U4.Its output is connected in one by transistor Q70, resistance R 72, R73, the high frequency carrier control circuit 32 that elements such as capacitor C 73-C76 connect to form, and single-shot trigger circuit 31 is connected in the emission button 13 of

Wireless Keyboard receiver

1,32 outputs of high frequency carrier control circuit are connected in antenna 33, and high frequency carrier control circuit 32 is connected in first channel button 34, is used for selecting to set different frequency.

These high frequency carrier control circuit 32 receiving element trigger circuit 31 are triggered the pulse signal of output, producing high-frequency signal, and this high-frequency signal are launched via wireless 33.

Wireless Keyboard 4 is by output unit 41, coding unit 42, IR transmitter 43 and battery power supply 44 are formed, wherein output unit 41 is by resistance R 5-R12, elements such as capacitor C 6～C9 connect to form, its output is connected in one by integrated circuit U5, U6, U7, the coding unit 42 that elements such as transistor Q42 connect to form, coding unit 42 outputs are connected one by transistor Q43, resistance R 12, LED 1, the coding unit 42 that elements such as LED2 connect to form, coding unit 42 outputs are connected one by transistor Q43, resistance R 12, LED 1, the IR transmitter 43 that elements such as LED2 connect to form, and this coding unit 42 is connected in a battery power supply 44, supplies this Wireless Keyboard 4 and the monitoring operating voltage with receiver 5.

This coding unit 42 will be from the signal encoding of input block 41 input, and will encode afterwards that signal is sent by IR transmitter 43.

Monitoring is assembled on the Wireless Keyboard 4 with receiver 5, is made up of antenna 50, high frequency receiving circuit 51, decoding circuit 52, buzzer circuit 53 and second channel button 54.Wherein high frequency receiving circuit 51 is to be connected to form by elements such as transistor Q50, resistance R 51～R53, capacitor C 51, C52, its input is connected in antenna 50, output is connected in an integrated circuit U8, resistance R 54, R55, the decoding unit 52 that elements such as diode D50, D51 connect to form, decoding unit 52 outputs are connected in buzzer circuit 53, and decoding unit 52 is connected in one second channel button 34, in order to select to set different frequency.

The high-frequency signal that 51 receptions of high frequency receiving circuit receive via antenna 50.If the frequency of these first channel button, 54 settings is identical with the frequency that monitoring is set with first channel button 34 of transmitter 3, then this decoding integrated circuit 52 can be decoded this high-frequency signal, and buzzer circuit 53 is sounded.

The utility model operational flowchart referring to shown in Figure 4 at first normally uses Wireless Keyboard unit 60, then, check that the emission button on the Wireless Keyboard receiver is pressed? 70.

As not being, be back to step 60, otherwise from monitoring with transmitting RF signal 80 on the transmitter, at this moment, the monitoring on the Wireless Keyboard is received the RF signal with receiver, and goes out sound 90, afterwards, gets back to step 60.

Referring to Fig. 5, when seeking Wireless Keyboard 4, as long as on Wireless Keyboard receiver 1, press emission button 13 as desire, at this moment, can be received with receiver 5 by the monitoring on the Wireless Keyboard 4 from the signal of monitoring, and then be sounded, to learn that Wireless Keyboard 4 products are in the position with transmitter 3 emissions.

Claims

1, a kind of device of calling out Wireless Keyboard, include: a Wireless Keyboard, one computer wireless keyboard receiving element, a monitoring are monitored with transmitter and and are used receiver, it is characterized in that: wherein computer wireless keyboard receiving element comprises a Wireless Keyboard receiver and a host computer, the Wireless Keyboard receiver is connected in host computer, and this Wireless Keyboard receiver receives the coded signal that Wireless Keyboard is launched, and with this signal decoding, deliver to host computer again, to carry out corresponding work; Wherein transmitter is used in monitoring, is assembled on the Wireless Keyboard receiver, produces high-frequency signal, and this signal is launched; Wherein receiver use in monitoring, is assembled on the Wireless Keyboard, receive to monitor the high-frequency signal that sends with transmitter, this signal decoding just, and then sound, thereby know this Wireless Keyboard position.

2, a kind of according to claim 1 device of calling out Wireless Keyboard is characterized in that: wherein monitor with transmitter and comprise: a single-shot trigger circuit produces a pulse triggering signal; One high frequency carrier control circuit is connected in single-shot trigger circuit output, and accepts the triggering of single-shot trigger circuit output signal, produces high-frequency signal; And an antenna, be connected the output of high frequency carrier control circuit, high-frequency signal is launched.

3, as a kind of device of calling out Wireless Keyboard as described in the claim 2, it is characterized in that: wherein the high frequency carrier control circuit can connect a selector switch of setting different frequency.

4, a kind of according to claim 1 device of calling out Wireless Keyboard is characterized in that: wherein monitor with receiver and comprise: an antenna; One high frequency receiving circuit is connected in antenna, receives high-frequency signal; One decoding unit is connected in high frequency receiving circuit output, and high-frequency signal is decoded; And a buzzer circuit, being connected decoding unit output, it is driven by the decoding unit signal, sounds.

5, as a kind of device of calling out Wireless Keyboard as described in the claim 4, it is characterized in that: wherein decoding unit can connect a selector switch of setting different frequency.

6, a kind of according to claim 1 device of calling out Wireless Keyboard, it is characterized in that: wherein the Wireless Keyboard internal circuit comprises: an input block; One coding unit is connected in the output of input block, will input to the signal encoding of coding unit; One IR transmitter is connected in coding unit output, and coded signal is launched; And a battery power supply, be connected in coding unit, for the working power of each circuit unit.

7, a kind of according to claim 1 device of calling out Wireless Keyboard, it is characterized in that: wherein Wireless Keyboard comprises: an IR receives module, the coded signal that the wiring Wireless Keyboard sends, an and decoding unit, be connected in IR and receive module output, with the coded signal decoding that receives, and deliver to host computer, carry out relative work.