CN2462616Y

CN2462616Y - Radio emitter with use distance adjusted

Info

Publication number: CN2462616Y
Application number: CN 01201385
Authority: CN
Inventors: 叶丰纯
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-02-13
Filing date: 2001-02-13
Publication date: 2001-11-28
Anticipated expiration: 2011-02-13

Abstract

The utility model provides a device and electronic line design, which can enhance or reduce the emitting power of wireless (RF) modules or line design to a value for making operators obtain proper use distances. Electromagnetic waves emitted by the utility model before efficacy release can be easily adjusted to the lowest use power to reach the most proper operating distance after the electromagnetic waves are adjusted by a design device with adjustable outputting power and release efficacy to an aerial to be transmitted to a receiving module or a receiving line end. Thus, the utility model can not disturb other people who use equipment with identical characters and functions in the environment of community and habitation because of the use of exorbitant power, and energy sources can be saved simultaneously.

Description

But the wireless launcher of modulation service range

But the utility model is the wireless launcher of relevant a kind of modulation service range, refers to a kind of wireless module by adjustment transmitting power size especially, and can change the device of service range.

The development of twentieth century end computer function, the traditional working method and the kenel of information have been replaced fully, be inconjunction with household electrical appliances, the ecology of affairs equipment all significantly changes, and the simplification of numerous and jumbled external line, device sets up and is easy to require and light the controlling of user's energy, brought up the active demand of wireless (RF) braking function, yet, because the conservative idea of age in early stage tradition public security, the course of wireless technology, the study place, studying mechanism all is limited, be directed at lack the talent possess solid foundation and to wireless technology have no way of cognitive with understand, thereby, though it is inevasible knowing the production development of wireless mode of braking, suffer from and have no way of doing it, even, expended huge manpower, it is limited that material resources are still gained, can't dare to attempt rashly industrial upgrading and transition.

And 21st century will be the epoch that the wireless actuation means product of configuration is full of, no matter be computer, household electrical appliances, business machine, servo-control system or the like, all can install wireless actuation means, how the control electromagnetic wave be full of in a jumble, mixed intersection and do not influence that equipment is normal effectively to be used, except separating by frequency of utilization, effective method has only the restraining transmitting power to meet coverage and retrains.

" planned bluetooth " (Blue Tooth), its scale development of expectation that reaches highly visible, but the unit price that it is expensive, wait for that the ripe time limit needed 5 years and major technique is controlled in foreigner's hand, influence us widely and had the transition of leading superiority product manufacturing enterprise and the lifting of competitiveness, such as computer industry, the peripheral industry that is equipped with, the mouse industry, the keyboard industry, the IA household electrical appliances industry, wideband end product industry, all exigence possesses commodity price and effect is good, the product of wireless module of fine qualities and device interface art designs is improved and is promoted value of the product and competitiveness, influence its product function for the immature of traditional wireless module, all consider dangerous, and can't be used smoothly.

Conventional wireless mouse, keyboard or other peripheral outfit, its means of avoiding interfering with each other are: 1. world's metric system standard channel separation method; 2. the ID/CODE password distributes or digital apportion.But traditional producer is in order to increase the radio function reliability of own product, all adopt to improve mode that the power effect disengages and power is fixed, exaggerative without restraint transmission range, produced the serious disturbance behavior, even if the method for distribution of ID/CODE password or digital apportion is arranged, but the same frequency electromagnetic wave covers the platform factor, has seriously influenced same operation person's autonomous usability, materialization is disliked in the interference that has produced when having ignored wireless the use fully, can't fill part deserved effect of the wireless commodity of performance.

As shown in Figure 1, this is the design of conventional wireless emitter or circuit, it mainly includes the modulation element 1 that is connected in series, oscillating element 2, oscillator 3, promote to amplify part 4, effect is disengaged part 5 and antenna 6, and this conventional wireless devices or circuit are the way of output that a simple constant power effect is disengaged, vibrate after the frequency by oscillating element 2 and oscillator 3, by promote amplifying part 4 frequency is amplified, disengaging part 5 and antenna 6 by effect again launches signal, when it uses side by side, only can lean on frequency separation, often because of high-power output, condition space during most the use is very big, under situation about so popularizing,, cause the factor of the evil materialization of interference can come into plain view as all using traditional wireless design mode with present computer.

Main purpose of the present utility model, except having new and ripe conventional wireless module loop designing technique, increase a kind of design apparatus of adjustable output power size, means through increasing or downgrading, obtain the desirable distance of controlling, keep the normal running of functions of the equipments.

Second purpose of the present utility model is interference performance is significantly reduced, and increased more bigger usage spaces, solved the evil materialization of phase mutual interference.

The 3rd purpose of the present utility model, be that single product has numerous production suppliers and numerous product oligomerisation to use the clear situation of institute's effect that produces to be greatly improved and also can effectively solve the puzzlement of volume production supply sale, related industry presses for the in extensive range of utilization, and use value will be difficult to limit the quantity of.

As shown in Figure 2, but the utility model provides a kind of modulation through-put power magnitude function Design of device, it is characterized by promotion in the conventional wireless transmitter module amplifies in the output of part 4 and the input that effect is disengaged part 5 and seals in one group of program-controlled attenuator 7 of being made up of resistor network, but reach the purpose of modulation watt level, obtain the desirable operating distance that effectively uses with low-keyed power output, improved the traditional fabrication mode and crossed the shortcoming that high power produces excessive interference.

Now describe the technical solution of the utility model in detail with regard to conjunction with figs. and embodiment.

The simple declaration of accompanying drawing:

Fig. 1 is the circuit block-diagram of conventional wireless emitter.

But Fig. 2 is the block diagram of the utility model modulation through-put power size.

But Fig. 3 is the modulation mode key diagram of four kinds of modulation through-put powers of the utility model size.

Fig. 4 is the key diagram of the utility model modularization and control loop.

But Fig. 5 is the pattern key diagram of four kinds of modulation modes of the utility model.

Fig. 6 is a circuit diagram of the present utility model.

Fig. 7 is the circuit diagram of conventional wireless emitter.

Fig. 8 of the present utility modelly is used in combination figure with product (mouse).

Fig. 9 is that of the present utility model another is used in combination figure with product (mouse).

The explanation of reference numeral:

Modulation element 1;

Oscillating element 2;

Oscillator 3;

Promote to amplify part 4;

Effect is disengaged part 5;

Antenna 6;

Program-controlled attenuator 7;

Operation thing 8;

Adjustment component 9;

Fig. 6 is a circuit diagram of the present utility model, generally wireless (RF) module is a whip formula by the antenna that oscillates to amplification, and technical characterictic of the present utility model is, being meant that promotion in conventional art is amplified in the output of part 4 and the input that effect is disengaged part 5 seals in one group of program-controlled attenuator 7, and this program-controlled attenuator 7 is T type attenuation networks, it comprises the resistance R A1 of two series connection, RA2, and at resistance R A1, the resistance R B1 that is connected in parallel in insertion among the RA2, RB2, RB3, RB4, these four resistance are connected respectively to program-controlled device U1, this program-controlled device U1 is connected with switch S 1 and S2 again, the user controls S1 and S2 (as Fig. 8 by set adjustment component 9 on the operation thing 8, shown in 9), make program-controlled

device U1 export

10,20,40, arbitrary group of numeral in 80, control RB1 respectively, RB2, RB3, the connection of RB4 be not connected, thereby the RF energy on the may command loop, by the size that effect is disengaged part 5 power amplifications and release RF energy, reach the effect of control service range.From following free space RF decay formula

Formula: the decay dB=37.5 (dB) of free space+20logD (dB)+20logF (dB)

Wherein: D is a distance, and F is a frequency;

Can learn that the F frequency is constant, distance D decay far away more is big more, and decay is big more on the contrary, and distance is short more, so the release of the power of Q4 is big more, distance is far away more; Power discharges more little, and distance is near more, controls service range thereby reach to follow one's bent.And general RF transmitting terminal module there is no this device, so can't control service range freely by the user, this is the technical characterictic of this creation.This creation that hence one can see that is characterised in that and allows the user can reach control operating effect freely.

The utility model also can be by rf attenuation (increasing progressively) network of design, utilize combinations such as linear element such as transistor, control transmitting power (energy) size, and energy control can be from 100dB～0dB decay, or energy increases progressively from 0dB～100dB, and reaches the effect of adjusting distance.And energy adjustment mode can be divided into: manual type-segmented or stepless modulation energy; See through program-controlled device U1,, do the decay of energy or increase progressively control by its programmable mode.

But Fig. 3 is four kinds of modulation patterns of the utility model modulation through-put power size design, and 1. formula is for manually dialling multistage (more than the 2 sections) formula of cutting; 2., 3., 4. for cooperating the controlling Design of program-controlled device U1, select for use the control device of any operation keys on mouse and the keyboard or control button that installs additional and slide key to reach the purpose of modulation, can consult Fig. 8 and shown in Figure 9.

As Fig. 4 and shown in Figure 5, be the practice in explanation wireless modular and planning control loop.

Transmitting power modulation mode of the present utility model, can consult Fig. 8 and shown in Figure 9, it is the floor map of mouse bottom, as shown in the figure, the utility model can be provided with one and adjust element 9 on operation thing 8 (as mouse), the size of control transmitting power, and this adjustment element can be segmented, shown in the 8th figure, divide into greatly-in-little three sections; Or can be stepless, shown in the 9th figure.Certainly, also can see through program-controlled device U1,, do the decay of energy or increase progressively control by its programmable mode.

The utility model, get final product the wireless launcher of modulation through-put power size, be applied in the wireless remote control aspect of mouse, keyboard, I-PHONE, earphone etc. or the other products of computer peripheral equipment, can greatly lower the channel traffic congestion that causes because of a large amount of Growth Development of wireless product, and can improve the many families of homotype product and make and the interference evil materialization of generation.

Claims

But 1. the wireless launcher of a modulation service range, contain coupled in series modulation element (1), oscillating element (2), oscillator (3), promote to amplify part (4), effect is disengaged part (5) and antenna (6), it is characterized in that:

In the input that the output and the effect of promotion amplification part (4) are disengaged part (5), seal in one group of program-controlled attenuator (7), and this program-controlled attenuator (7) is a T type attenuation network, it comprises the resistance R A1 and the RA2 of two series connection, then insert the resistance R B1 that is connected in parallel among resistance R A1 and the RA2 again, RB2, RB3, RB4, these four resistance are connected respectively to program-controlled device U1, this program-controlled device U1 is connected with switch S 1 and S2 again, the user goes up set adjustment component (9) by an operation thing (8) and controls S1 and S2, make program-controlled device U1 export 10,20,40, arbitrary group of numeral in 80, control RB1 respectively, RB2, RB3, the connection of RB4 be not connected, thereby the RF energy on the may command loop, by the size that effect is disengaged part (5) power amplification and release RF energy, reach the effect of control service range.
2. but the wireless launcher of modulation service range according to claim 1, the modulation mode of wherein said adjustment component (9) can be segmented, and this segmented adjustment component (9) is more than two sections or two sections.
3. but the wireless launcher of modulation service range according to claim 1, the modulation mode of wherein said adjustment component (9) can be stepless.