CN2359847Y

CN2359847Y - Honeycomb movable hand telephone without radiation

Info

Publication number: CN2359847Y
Application number: CN98229157U
Authority: CN
Inventors: 黄乐讯
Original assignee: Individual
Current assignee: Individual
Priority date: 1998-07-24
Filing date: 1998-07-24
Publication date: 2000-01-19
Anticipated expiration: 2008-07-24

Abstract

The utility model provides a non radiating honeycomb movable telephone handset. The handset is composed of a low-frequency mobile telephone handset and a receiving emitter, wherein, the low-frequency mobile telephone handset is provided with a microphone, an audio processor, a key circuit, a low-frequency emitting circuit, a low-frequency receiving circuit, an antenna and an earphone; the receiving emitter is provided with a low-frequency receiving circuit, a low-frequency emitting circuit, a logic unit circuit, a data processor, a radio frequency circuit and a high-frequency duplex antenna. The handset separates a radiating source of high-frequency electromagnetic waves from a mobile telephone, and the radiating source of high-frequency electromagnetic waves is arranged on the place far away from a user; therefore, the utility model is convenient in operation and safe.

Description

Radiationless cellular mobile telephone hand-held set

The utility model relates to a kind of mobile phone hand-held set, particularly be a kind of radiationless cellular mobile telephone hand-held set.

Cellular mobile telephone is widely used in the mobile communication.The mobile phone hand-held set is to use frequency electromagnetic waves and base station communication, and frequency is up to more than the 800MHZ.Show that according to medical research the above frequency electromagnetic waves of 800MHZ has harm to human body.Existing its microphone of cellular mobile telephone hand-held set, earphone portion and control circuit, logic unit circuit, audio process, data processor, radio circuit and duplexed antenna (referring to Fig. 6) are all in a telephone set, radiation will generate electromagnetic waves for radio circuit wherein and duplexed antenna (emission, reception antenna), the user is when using telephone set, radio circuit and duplexed antenna must be pressed close to head, must be subjected to the influence of frequency electromagnetic waves.Because frequency electromagnetic waves divides the formation standing wave at people's cerebral part, might make brain impaired, and the danger that brain tumor takes place is arranged.

In view of above reason, the purpose of this utility model is in order to overcome above deficiency, a kind of harmless radiationless cellular mobile telephone hand-held set to be provided.

The purpose of this utility model is achieved in that

The utility model is radiationless cellular mobile telephone hand-held set, it is the improvement on existing cellular mobile telephone hand-held set basis, the utility model hand-held set is made up of low frequency mobile phone hand-held set and reception reflector, microphone in the low frequency mobile phone hand-held set with sound through audio process handle and the push button signalling of key circuit respectively through the low frequencies circuit, it alignment receives to send out to connect penetrates device emission low-frequency electromagnetic wave, the low frequency receiving circuit that receives in the reflector receives low-frequency electromagnetic wave next in the low frequency mobile phone hand-held set through antenna, with low-frequency electromagnetic wave through logic unit circuit, radio circuit, high frequency duplex electric wire is launched frequency electromagnetic waves to base station, the frequency electromagnetic waves of launching from base station is through receiving the high frequency duplexed antenna of reflector, radio circuit, data processor, logic unit circuit, the low frequencies circuit, it alignment low frequency mobile phone hand-held set emission low-frequency electromagnetic wave, low frequency receiving circuit in the low frequency mobile phone hand-held set receives through antenna and receives the low-frequency electromagnetic wave that reflector sends and pass to earphone through audio process, the low frequency receiving circuit and receive in the low frequency receiving circuit in the reflector by capacitor C 1, C2, C3, C4, the double tunning coupling circuit reception voltage signal that inductance L 1 is formed is via high frequency amplifying triode Q1, resistance R 1, R2, the common emitter single-tuned amplifier that inductance T1 forms amplifies after by the first local oscillator triode Q3, crystal oscillator X1, capacitor C 11, C13, resistance R 7, the Colpitts oscillation circuit that R8 forms produce oscillator signal in the collector electrode FM circuit that constitutes by the first mixing triode Q2 mixing after crystal filter FL1 selects intermediate-freuqncy signal puts integrated circuit (IC) and peripheral electron element thereof in again via frequency modulation and constitute in the frequency modulation and put, second mixing of second local oscillator and frequency-discriminating circuit produce audio signal output, low frequencies circuit in the low frequency mobile phone hand-held set and receive low frequencies circuit in the reflector with input signal via containing crystal oscillator X2, variable capacitance diode D1, the capacitance three-point type vibration of triode Q4 and the transformer T3 that strobes form the higher-order of oscillation and modulation circuit output speech modulating signal contains triode Q5 through capacitor C 6 introducings, capacitor C 20, C21, resistance R 18, R19, crystal oscillator X3, inductance T4, FM signal is exported from the Q2 emitter behind the capacitance three-point type frequency-modulated generator of triode D2, via containing T5, capacitor C 24, the frequency tripling amplifying circuit of C25 and contain triode Q4, capacitor C 29, C30, C28, inductance L 2, L3, the high frequency power amplifier of L4, by low-frequency antenna emission FM signal (referring to Fig. 4～Fig. 6).

Put integrated circuit (IC) in the above-mentioned frequency modulation and can select MC3357 for use.

Put integrated circuit (IC) in the above-mentioned frequency modulation and can select MC3359 for use.

Put integrated circuit (IC) in the above-mentioned frequency modulation and can select MC3361 for use, can adopt ACIC chip manufacturing application-specific integrated circuit (ASIC).

Referring to Fig. 1～Fig. 5, voice signal in the low frequency mobile phone hand-held set and push button signalling (telephone number and switching on and shutting down control signal) are through being modulated into several million or tens of million frequencies, the generate electromagnetic waves electromagnetic wave signal of radiation of human body is not carried out short range transmission to receiving reflector, receive receiving circuit in the reflector and receive behind the low frequencies signal in the low frequency mobile phone hand-held set that again through processing of circuit, modulation zooms into the above electromagnetic wave of 800MHZ and launches to base station; When receiving transmitter receipt behind the high-frequency signal of base station, be treated to several million or tens of million lower frequency electromagnetic wave and carry out short range transmission to low frequency mobile phone hand-held set.After low frequency mobile phone hand-held set receives signal, be treated to voice signal, and promote the earphone sounding, use the user of telephone set to hear sound.

The utility model divides high come out with the radiation source of frequency electromagnetic waves from existing mobile phone, be placed on from the user place of (several meters) far away, and microphone, earphone and low-frequency channel are partly used people radiationless lower frequency electromagnetic wave and high-frequency emission are partly got in touch.Easy to use, harmless, safety.

Describe embodiment of the present utility model in detail below in conjunction with accompanying drawing:

Fig. 1 is the utility model construction profile figure.

Fig. 2 is a low frequency mobile phone hand-held set circuit block diagram.

Fig. 3 is for receiving the transmitter circuit block diagram.

Fig. 4 is a low frequency receiving circuit schematic diagram.

Fig. 5 is the low frequencies circuit theory diagrams.

Fig. 6 is existing mobile phone hand-held set block diagram.

Referring to Fig. 1, the utility model comprises low frequency mobile phone hand-held set 1, receives reflector 2.

Referring to Fig. 1, Fig. 2, low frequency mobile phone hand-held set 1 is made up of microphone 3, earphone 4, audio process 5, power supply 6, key circuit 7, low frequency receiving circuit 8, low frequencies circuit 9, low frequency electromagnetic transmit receive antenna 10.

Referring to Fig. 1, Fig. 3, receive reflector 2 and form by low-frequency electromagnetic wave emission, reception antenna 11, low frequency receiving circuit 12, low frequencies circuit 13, logic unit circuit 14, data processor 15, radio circuit 16, high frequency duplexed antenna 17, power supply 18.

Referring to Fig. 4, double tunning coupling circuit in the low frequency receiving circuit of low frequency receiving circuit in the low frequency mobile phone hand-held set and reception reflector is made up of capacitor C 1, C2, C3, C4 and inductance L 1, Q1 is high frequency three utmost point amplifier tubes, form the common emitter single-tuned amplifier with resistance R 1, R2, inductance T1, the first local oscillator triode Q3, crystal oscillator X1, capacitor C 14, C13, resistance R 7, R8 form Colpitts oscillation circuit, and the collector electrode FM circuit is made up of the first mixing triode Q2.Put in the frequency modulation integrated circuit (IC) (model is MC3557) and peripheral electron element thereof constitute in the frequency modulation put, second local oscillator, second mixing and frequency-discriminating circuit.

Referring to Fig. 5, form the higher-order of oscillation and modulation circuit by capacitance three-point type vibration that contains crystal oscillator X2, variable capacitance diode D1, triode Q4 and the transformer T3 that strobes respectively in the low frequencies circuit in low frequencies circuit in the low frequency mobile phone hand-held set and the reception reflector, Q4 is the frequency modulated oscillations pipe, and R12, R13 are biasing resistors.Q5 and C20, C21, R19, C18, X3, T4, D2 constitute the capacitance three-point type frequency-modulated generator, and speech modulating signal is introduced from C19, and FM signal is from the emitter output of Q5, and Q6 and R20, C23 constitute emitter follower, play the buffering buffer action.Q5, T5, C24, C25 constitute three times of amplifying circuits, and Q4, C30, C29, C28, L2, L3, L4 form high frequency power and send out device big, and by antenna emission FM signal, signal frequency is several million to tens of million frequencies, not to the human body radiation that generates electromagnetic waves.

Fig. 7 is existing mobile phone hand-held set block diagram.Hand-held set comprises microphone 19, earphone 20, user control unit circuit 21, logic unit circuit 22, audio process 23, data processor 24, radio circuit 25, power supply 26, duplexing electric wire 27.

Claims

1, radiationless cellular mobile telephone hand-held set, it is characterized in that hand-held set is by low frequency mobile phone hand-held set with receive reflector and form, microphone in the low frequency mobile phone hand-held set with sound through audio process handle and the push button signalling of key circuit respectively through the low frequencies circuit, it alignment receives to send out to connect penetrates device emission low-frequency electromagnetic wave, receive low frequency receiving circuit in the reflector after antenna receives the low-frequency electromagnetic wave that comes in the low frequency mobile phone hand-held set with low-frequency electromagnetic wave through logic unit circuit, radio circuit, the high frequency duplexed antenna is launched frequency electromagnetic waves to base station, the frequency electromagnetic waves of launching from base station is through receiving the high frequency duplexed antenna of reflector, radio circuit, data processor, logic unit circuit, the low frequencies circuit, it alignment low frequency mobile phone hand-held set emission low-frequency electromagnetic wave, low frequency receiving circuit in the low frequency mobile phone hand-held set receives through antenna and receives the low-frequency electromagnetic wave that reflector sends and pass to earphone through audio process, the low frequency receiving circuit and receive in the low frequency receiving circuit in the reflector by capacitor C 1, C2, C3, C4, the double tunning coupling circuit reception voltage signal that inductance L 1 is formed is via high frequency amplifying triode Q1, resistance R 1, R2, the common emitter single-tuned amplifier that inductance T1 forms amplifies after by the first local oscillator triode Q3, crystal oscillator X1, capacitor C 11, C13, resistance R 7, the Colpitts oscillation circuit that R8 forms produce oscillator signal in the collector electrode FM circuit that constitutes by the first mixing triode Q2 mixing after crystal filter FL1 selects intermediate-freuqncy signal puts integrated circuit (IC) and peripheral electron element thereof in again via frequency modulation and constitute in the frequency modulation and put, second local oscillator, second mixing and frequency-discriminating circuit produce audio signal output, low frequencies circuit in the low frequency mobile phone hand-held set and receive low frequencies circuit in the reflector with input signal via containing crystal oscillator X2, variable capacitance diode D1, the capacitance three-point type vibration of triode Q4 and the transformer T3 that strobes form the higher-order of oscillation and modulation circuit output speech modulating signal contains triode Q5 through capacitor C 6 introducings, capacitor C 20, C21, resistance R 18, R19, crystal oscillator X3, inductance T4, FM signal is exported from the Q2 emitter behind the capacitance three-point type frequency-modulated generator of triode D2, via containing T5, capacitor C 24, the frequency tripling amplifying circuit of C25 and contain triode Q4, capacitor C 29, C30, C28, inductance L 2, L3, the high frequency power amplifier of L4 is by low-frequency antenna emission FM signal.

2, radiationless cellular mobile telephone hand-held set according to claim 1 is characterized in that putting in the frequency modulation integrated circuit (IC) and can select MC3357 for use.

3, radiationless cellular mobile telephone hand-held set according to claim 1 is characterized in that putting in the frequency modulation integrated circuit (IC) and can select MC3359 for use.

4, radiationless cellular mobile telephone hand-held set according to claim 1 is characterized in that putting in the frequency modulation integrated circuit (IC) and can select MC3361 for use.