CN2402061Y - Multi-language synchronous transmitter - Google Patents
Multi-language synchronous transmitter Download PDFInfo
- Publication number
- CN2402061Y CN2402061Y CN 00200327 CN00200327U CN2402061Y CN 2402061 Y CN2402061 Y CN 2402061Y CN 00200327 CN00200327 CN 00200327 CN 00200327 U CN00200327 U CN 00200327U CN 2402061 Y CN2402061 Y CN 2402061Y
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- CN
- China
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- resistance
- electric capacity
- inductance
- control circuit
- multilingual
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- Expired - Fee Related
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Abstract
The utility model relates to a multi-language synchronous transmitter, wherein, the utility model comprises a microprocessor which is connected with a sound source and a control circuit, the sound source is connected with the control circuit, and the control circuit is connected with a transmitting circuit. The utility model has the advantages that the applicable range of the sound source is wide, and the sound source of the utility model can be CD, VCD, DVD, a tape, a speech chip, etc; because a microprocessor chip is adopted, a speech signal which is transmitted by the transmitter has high quality; various languages can be simultaneously played on the same transmitter.
Description
The utility model provides a kind of synchro transmitter, particularly a kind of multilingual synchro transmitter.
Present known transmitter adopts a kind of source of sound single channel to launch, and does not adopt the microprocessor control mode.Its shortcoming is that the emission languages are single, because of it does not adopt microprocessor control, so the structure relative complex can only be suitable for single source of sound single channel emission.
The purpose of this utility model is, a kind of multilingual synchro transmitter is provided, and because of it adopts microprocessor control, can realize the multilingual synchronized transmissions.
A kind of multilingual synchro transmitter of the utility model is characterized in that, comprising having: a microprocessor, this microprocessor is connected to a source of sound and control circuit; Source of sound is connected with control circuit, and this control circuit is connected with radiating circuit.
Wherein this control circuit comprises: a comparator, 1 end of this comparator connects power supply through a resistance, 1 end also connects transistorized base stage through a resistance, one end of collector connecting relay, collector electrode is also succeeded the other end of electrical equipment through diode, resistance, 2 ends of this comparator connect transistorized collector electrode through a resistance, diode, and 3 ends of this comparator connect input through a resistance, are connected to a diode at the two ends of this resistance.
Wherein this radiating circuit comprises: an operational amplifier, be connected to an electric capacity between 1,8 ends of this operational amplifier, 5 ends connect transistorized base stage through electric capacity, resistance, crystal, the emitter resistance grounded, collector electrode is received an end of two electric capacity through electric capacity, inductance, electric capacity, inductance, and the other end of these two electric capacity connects an end of two electric capacity in addition and is connected to antenna through inductance; 6 ends of this operational amplifier through resistance, be connected to an end of inductance; At transistorized collector electrode electric capacity in parallel and inductance, one diode and inductance and ground connection are arranged in a termination of crystal.
Wherein this source of sound is CD, VCD, DVD, tape or speech chip.
Wherein this radiating circuit is connected to an antenna.
For further specifying feature of the present utility model and effect, below in conjunction with accompanying drawing the utility model is done a detailed description, wherein:
Fig. 1 is a structure principle chart of the present utility model;
Fig. 2 is the control circuit figure among Fig. 1, shows the single channel structure;
Fig. 3 is the radiating circuit figure among Fig. 1, shows the single channel structure.
At first see also Fig. 1, a kind of multilingual synchro transmitter of the utility model, comprising having: a microprocessor 10, this microprocessor 10 is single-chip microcomputers, and model is LM8031, and this microprocessor 10 is connected to a source of sound 20 and control circuit 30; Source of sound 20 is connected with control circuit 30, and this control circuit 30 is connected with radiating circuit 40.
Please consult shown in Figure 2 again, wherein this control circuit 30 comprises: a comparator IC1, this comparator IC1 model is LM339,1 end of this comparator IC1 meets power supply 12V through a resistance R 4,1 end also connects the base stage of transistor Q1 through a resistance R 5, the end of the collector connecting relay J of transistor Q1, collector electrode is also succeeded the other end of electrical equipment J through diode D2, resistance R 6,2 ends of this comparator IC1 connect the collector electrode of transistor Q1 through a resistance R 2, diode D3,3 ends of this comparator IC1 connect input through a resistance R 1, are connected to a diode D1 at the two ends of this resistance R 1.
Please in conjunction with consulting Fig. 3, wherein this radiating circuit 40 comprises: an operational amplifier IC2, the model of this operational amplifier IC2 is LM386, be connected to a capacitor C 2 between 1,8 ends of this operational amplifier IC2,5 ends connect the base stage of transistor Q2 through capacitor C 9, resistance R 6, crystal JT1, the emitter of transistor Q2 is through resistance R 10 ground connection, collector electrode is received the end of two capacitor C 21, CB2 through capacitor C 20, inductance L 1, capacitor C 15, inductance L 2, and the other end of these two capacitor C 21, CB2 connects in addition the end of two capacitor C 19, CB3 and is connected to antenna 50 through inductance L 3; 6 ends of this operational amplifier IC2 through resistance R 3, R7, be connected to an end of inductance L 2; At the collector electrode of a transistor Q2 capacitor C in parallel and inductance B2, one diode D1 and inductance B1 and ground connection are arranged in the termination of crystal JT1.
The course of work of the present utility model is: the pre-designed audio signal of transmitter is stored in the source of sound, and this source of sound can be a kind of in the multiple source of sound, such as CD, VCD, DVD, tape or speech chip etc.By microprocessor and control circuit, radiating circuit, launch audio signal is high-quality, so that receiver receives.
When microprocessor output high level signal, this signal is by resistance R 1 input voltage comparator IC1, and another input of comparator IC1 to be 12V voltage obtain reference voltage after resistance R 2, R3 dividing potential drop.Comparator compares input signal and reference voltage, if comparator output high level, then transistor Q1 is switched on, the actuating of relay, and switch the contact of relay, and this road audio signal is exported.If the comparator output low level, then transistor ends, and this road audio signal is output not.
Voice signal by microprocessor control produces frequency deviation through the concussion frequency that audio frequency amplifier amplifies back modulation crystal oscillator, and the size of frequency deviation depends on the amplitude of audio signal and the modulation sensitivity of crystal oscillator.
The oscillator frequency of being modulated by audio signal obtains receiving required frequency after frequency multiplication, adds a limit width of cloth and amplify suppressing parasitic amplitude modulation behind octamonic amplifier, and the high frequency voltage behind amplitude limit is used for the driving power amplifier.Between power amplifier and antenna, add LC band pass filter, the harmonic wave in the filtering power amplifier output voltage.
The utility model compared with prior art has following advantage:
1, the source of sound scope of application is wide, can be CD, VCD, DVD, tape or voice Chip etc.
2, because adopting microprocessor chip, the quality of speech signal height of emitter emission.
3, can on an emitter, play multilingual synchronously.
Claims (5)
1, a kind of multilingual synchro transmitter is characterized in that, comprising having:
One microprocessor, this microprocessor is connected to a source of sound and control circuit; Source of sound is connected with control circuit, and this control circuit is connected with radiating circuit.
2, a kind of multilingual synchro transmitter according to claim 1, it is characterized in that, wherein this control circuit comprises: a comparator, 1 end of this comparator connects power supply through a resistance, 1 end also connects transistorized base stage through a resistance, one end of collector connecting relay, collector electrode is also succeeded the other end of electrical equipment through diode, resistance, 2 ends of this comparator connect transistorized collector electrode through a resistance, diode, 3 ends of this comparator connect input through a resistance, are connected to a diode at the two ends of this resistance.
3, a kind of multilingual synchro transmitter according to claim 1, it is characterized in that, wherein this radiating circuit comprises: an operational amplifier, be connected to an electric capacity between 1,8 ends of this operational amplifier, 5 ends connect transistorized base stage through electric capacity, resistance, crystal, the emitter resistance grounded, collector electrode is received an end of two electric capacity through electric capacity, inductance, electric capacity, inductance, and the other end of these two electric capacity connects an end of two electric capacity in addition and is connected to antenna through inductance; 6 ends of this operational amplifier through resistance, be connected to an end of inductance; At transistorized collector electrode electric capacity in parallel and inductance, one diode and inductance and ground connection are arranged in a termination of crystal.
4, a kind of multilingual synchro transmitter according to claim 1 is characterized in that, wherein this source of sound is CD, VCD, DVD, tape or speech chip.
5, a kind of multilingual synchro transmitter according to claim 1 is characterized in that wherein this radiating circuit is connected to an antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00200327 CN2402061Y (en) | 2000-01-06 | 2000-01-06 | Multi-language synchronous transmitter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00200327 CN2402061Y (en) | 2000-01-06 | 2000-01-06 | Multi-language synchronous transmitter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2402061Y true CN2402061Y (en) | 2000-10-18 |
Family
ID=33569828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00200327 Expired - Fee Related CN2402061Y (en) | 2000-01-06 | 2000-01-06 | Multi-language synchronous transmitter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2402061Y (en) |
-
2000
- 2000-01-06 CN CN 00200327 patent/CN2402061Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING QING CHUANG INVESTMENT MANAGEMENT CO., LT Free format text: FORMER OWNER: YANGGUANG BOYU SCRENCE AND TECH. DEVELOPMENT CO., LTD., BEIJING Effective date: 20040326 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20040326 Address after: 100044 Beijing city Xicheng District North Road No. 10 Patentee after: Beijing QingChuang investment management limited liability company Address before: 100054 Beijing city right outside the Yulin No. 45 Patentee before: Yangguang Boyu Scrence and Tech. Development Co., Ltd., Beijing |
|
| 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 |