CN2132235Y - Wine bottle type karaoke - Google Patents
Wine bottle type karaoke Download PDFInfo
- Publication number
- CN2132235Y CN2132235Y CN 92226136 CN92226136U CN2132235Y CN 2132235 Y CN2132235 Y CN 2132235Y CN 92226136 CN92226136 CN 92226136 CN 92226136 U CN92226136 U CN 92226136U CN 2132235 Y CN2132235 Y CN 2132235Y
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- circuit
- amplifier
- potentiometer
- connects
- power amplifier
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- Expired - Fee Related
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- Reverberation, Karaoke And Other Acoustics (AREA)
Abstract
The utility model discloses a wine bottle type karaoke in the technical field of information record and sound. A microphone is arranged at the port of a wine bottle type shell, and dry batteries are arranged in an embedded type handle. A circuit comprises a magnetic head equalizing amplifying circuit, a microphone amplifier, a vocal cancellation circuit, a mixing ratio amplifier, a BBD reverberation delay circuit, a radio receiver circuit, an advanced power amplifier, a frequency modulation emitter, a level indication circuit, a motor speed instability circuit and a speed regulation circuit. The utility model can be used for wireless barge rebutting connection and the mutual connection of multiple machines in families and public places besides the accompaniment and the singing of the karaoke, the wine bottle type karaoke can be used for intercommunication in close range, and can also be singly used as a radio receiver.
Description
The utility model belongs to information record and vocal skill field, further relates to a kind of easy to carryly, has the bottle shape karaoke machine of radio reception, playback, vocal accompaniment function concurrently.
At present, bottle shape karaoke machine have that karaoke tape playback, microphone playback, normal tape are generally recorded more, level indication and reverberation delay function.But the weak point of this bottle shape karaoke machine is: (1) does not have the radio reception circuit; (2) its reverberation delay circuit only microphone effect is arranged, tape is not had the reverberation processing capacity; (3) do not have voice and eliminate circuit, can only use the karaoke tape accompaniment; (4) do not have tone modified tone circuit; (5) do not have the wireless connection circuit of refuting, dub, amplify and short-range local communication and multimachine mutual connection after can not carrying out.
The purpose of this utility model provides that a kind of to have radio reception, playback, vocal accompaniment be the bottle shape karaoke machine of one.
Another purpose of the present utility model provides a kind ofly all has the reverberation function to accompaniment and voice, and can use the accompaniment of common song band, can wireless distant karaoke machine of refuting.
The utility model comprises a bottle shape shell body, is loaded on the microphone of bottleneck, and the handle of the insertion type of dry cell is housed.The balanced amplifying circuit of magnetic head, amplifier of microphone, blending ratio amplifier, BBD reverberation delay circuit, front-located power amplifier, level indication, motor speed stabilizing, alignment circuit and loudspeaker.Balanced potentiometer is used for the signal that the balanced amplifying circuit of magnetic head comes is handled, and delivers to change-over switch.One termination blending ratio amplifier of change-over switch stiff end, another termination voice of change-over switch stiff end is eliminated circuit.Voice is eliminated circuit and is used for the voice of common song band is eliminated, and its output connects the blending ratio amplifier.The output of radio reception circuit connects the power amplifier front end circuit, the power amplifier front end circuit is by prime amplifier, volume potentiometer, power amplifier and level indication are formed, be used to promote loudspeaker, the output of described prime amplifier connects modulating emission circuit, and the output terminal of blending ratio amplifier connects the power amplifier front end circuit with wireless output terminal after reverberation is handled.Modified tone circuit (motor speed control circuit) is used for changing the main string tone of accompaniment.
The utility model will be further described below in conjunction with accompanying drawing.
Fig. 1 is a structural representation of the present utility model.
Fig. 1 a is a front elevation.
Fig. 1 b is a right side view.
Fig. 2 is a circuit block diagram of the present utility model.
Fig. 3 is that voice of the present utility model is eliminated circuit theory diagrams.
Fig. 4 is the utility model radio reception circuit theory diagrams.
Fig. 5 is the utility model reverberation delay circuit schematic diagram.
Fig. 6 is the utility model modulating emission circuit schematic diagram.
Fig. 7 is the external microphone connection layout of the utility model.
Shell of the present utility model (Fig. 1) is made bottle shape housing for plastics, and the bottleneck of housing is equipped with microphone (5), and it is installed on the windproof damping subassembly of being made by rubber.In the neck of bottle right side control circuit board is housed, change-over switch (3) is exposed, the pressure regulation potentiometer of radio reception circuit (9) and the dial of change-over switch, balanced potentiometer (2) dial in outside order from top to bottom, the total volume of belt switch in the power amplifier front end circuit (8), total power switch potentiometer dial.Right side central is the light-emitting diodes pipe cap in the radiating circuit (10) from top to bottom successively, the button of playback mechanism, the speed-regulating potentiometer handle in the modified tone circuit (11).The bottom is the reverberation time potentiometer handle in the BBD reverberation circuit (7) successively in proper order, ratio balanced potentiometer handle in the blending ratio amplifier circuit (6), external Microphone in the microphone amplifier circuit (5), the external power supply socket in the feed circuit (12).The positive neck surface of bottle is installed the luminotron row in the level indicating circuit (8), and the positive middle part of bottle is the preceding tape door of magnetic head equalizing circuit (1).The below is the metal guard of loudspeaker (13).The boxlike handle of insertion type dry cell (12) is vertically installed in the bottle back.
Magnetic head equalizer amplifier (1) adopts the M51521L chip among Fig. 2 of the present utility model, and two-way resistor-capacitor unit parameter error is less than 5%, makes two-way magnetic head signal phase balance.Balanced potentiometer (2) is the potentiometer of a neutral earthing, its two ends cross-over connection is output terminal in magnetic head amplifier (1), be connected to a end and d end of change-over switch (3) simultaneously, change-over switch (3) is a double-point double-throw switch, the b of change-over switch (3) and e end connect blending ratio amplifier (6) after resistance mixes, the c of change-over switch (3) and f termination voice are eliminated the positive-negative input end of circuit (4).
Voice is eliminated subtracter, Hi-pass filter and the low-pass filter of circuit (4) in (Fig. 3) and is born by operational amplifier LM324, is used for synchronous people's acoustical signal with common song band through subtracting each other, and after sending into high pass and further eliminating voice, keeps music.Signal below the 150HZ is handled the back without subtracter with low-pass filter and the Hi-pass filter output signal is mixed, and mixed signal send blending ratio amplifier (6).When carrying out the playback of OK a karaoke club karaoke tape, change-over switch (3) is in b and e end, adjusts balanced potentiometer (2) to two extreme, closes people's acoustical signal or closes the accompaniment music signal.When carrying out the normal tape playback, switch (3) still is in b and e end, and potentiometer (2) is adjusted the two paths of signals balance near point midway.When carrying out the accompaniment of common song band, switch (3) is outer, and balanced potentiometer (2) is finely tuned near mid point in c and f end, and voice is eliminated to minimum.Microphone amplifying circuit (5) and voice are eliminated the shared LM324 chip of circuit (4).External microphone is the moving plate switch ground connection of the earth terminal of dynamic microphones connected mode (Fig. 7) feedback resistance by external Microphone.The microphone amplifying circuit simultaneously will in connect amplify with the signal of external microphone after, deliver to MIC/TAPE balanced proportions potentiometer in the blending ratio amplifier (6) through resistance decrement.The input end of blending ratio amplifier (6) adopts two-way feedback resistance (14), (15) serial input mode, MIC/TAPE balanced potentiometer (16) cross-over connection between feedback resistance (14), (15), neutral earthing.The output of circuit (6) through circuit (7) to circuit (8).
BBD reverberation circuit (7) (Fig. 5) is obscured circuit (17), BBD device MN3207(18 by anti-), pulse producer MN3102 (19), low-pass filter (20), time-delay degree of depth potentiometer (21) form.The anti-output termination BBD device MN3207(18 that obscures circuit (17)) input end, the clock signal of BBD device (18) is provided by pulse producer (19), BBD device (18) is output as the pulse signal of two-way pectination, after mix resistance (22) and (23) to the input end of high-order low-pass filter (20).The output terminal one tunnel of low-pass filter (20) is to reverberation degree of depth potentiometer (21), and another road feeds back to the anti-input end of circuit (17) of obscuring after resistance (24) decay.
The tuned circuit of radio reception circuit (9) in (Fig. 4) adopts varactor tuning, the pressure regulation potentiometer adopts the exponential type potentiometer of belt switch, the mid point of potentiometer connects the negative terminal of varactor, one end ground connection of potentiometer, the other end connects power supply by switch, and connect the anode of switching diode by isolation resistance, and the switching diode anode receives the output terminal of sound circuit through coupling capacitance, and negative terminal connects power amplifier front end circuit (8) input end.
Power amplifier front end circuit (8) (Fig. 6) send volume potentiometer with signal after amplifying, and send the input end of modulating emission circuit (10), the volume potentiometer mid point export power amplifier to, promote loudspeaker (13) and level and indicate.
Modulating emission circuit (10) resonant network LC two ends (Fig. 6) connect the collector and the base stage of generator triode respectively, antenna connects the collector of generator triode, base stage connects bias potential device mid point, the light emitting diode negativing ending grounding, positive termination resonant network LC one end, the light emitting diode anode connects positive supply by resistance, and provides operating voltage for the radio reception circuit.Modulating emission circuit (10) is refuted other function signal of this machine and is connect by built-in antenna and other wireless acoustics receiving equipment, also can with other this type karaoke machine multimachine mutual connection, also can do the short distance duplex signaling.
The MIC/TAPE balanced potentiometer carries out amplifying two-way output through proportional amplifier (6) after the blending ratio balance adjusts to tape signal and microphone signal, the one tunnel through resistance (21) to power amplifier preposition (8), another road is to BBD circuit (17).The two-way output of BBD circuit (18) feeds back to the input end of BBD circuit (17) through the mid point of low-pass filter (20) to potentiometer (21) after the output of wave filter (20) decays reverb signal.
The input end of power amplifier front end circuit (8) is switched or is inserted in the output of radio reception circuit (9) through switching diode.The prime amplifier of power amplifier front end circuit (8) send the volume potentiometer input after radio reception signal or tape, microphone signal are amplified, and delivers to the frequency modulation emission.The output termination power amplifier of volume potentiometer promotes loudspeaker (13), and shows output power by level circuit.Loudspeaker (13) is soft limit, a broadband loudspeaker.
Modified tone circuit (11) is by changing motor speed with about ± 4 degree of the main string tone lifting of playback.
The utility model is except that the function of general karaoke machine, wireless the refuting of multimachine that can be used for family and public arena connects, and can carry out in-plant duplex signaling, can use common song band to carry out karaoke accompaniment, also can do radio, cassette player use separately, the speech that can be used in the commercial propaganda enlarges.
Claims (8)
1, a kind of bottle shape karaoke machine, it comprises a bottle shape shell body, be loaded on bottleneck microphone, the handle of dry cell insertion type is housed, the balanced amplifying circuit of magnetic head, amplifier of microphone, blending ratio amplifier, BBD reverberation delay circuit, front-located power amplifier, level indication, motor speed-stabilizing circuit and loudspeaker, it is characterized in that: balanced potentiometer is used for the signal that the balanced amplifying circuit of magnetic head comes is handled, and delivers to change-over switch; Change-over switch stiff end b termination blending ratio amplifier, the c termination voice of change-over switch stiff end is eliminated circuit, and voice is eliminated circuit and is used for the voice of common song band is eliminated, and its output connects the blending ratio amplifier; The output of radio reception circuit connects the power amplifier front end circuit, and the power amplifier front end circuit is made up of prime amplifier, volume potentiometer, power amplifier and level indication, is used to promote loudspeaker; The output of described prime amplifier connects modulating emission circuit, and the output terminal of blending ratio amplifier connects the power amplifier front end circuit with wireless output terminal after reverberation is handled; The modified tone circuit is a motor speed control circuit, is used for changing the main string tone of accompaniment.
2, karaoke machine as claimed in claim 1, it is characterized in that: described balanced potentiometer is a neutral earthing potentiometer, its magnetic head equalizer amplifier output terminal connects the balanced potentiometer two ends through the two-way damping resistance, and the balanced potentiometer cross-over connection is in two moving some b and c of described change-over switch.
3, karaoke machine as claimed in claim 1, it is characterized in that: described voice is eliminated circuit and is finished by operational amplifier LM324, subtracter, Hi-pass filter and functions of low-pass filter with the synchronous people's acoustical signal in the common song band through subtract each other send into high pass and further eliminate voice after, keep music, and synchronous low frequency music composition is exported through low-pass filter.
4, karaoke machine as claimed in claim 1 is characterized in that: the input termination blending ratio amplifier out of described BBD reverberation delay circuit, the output terminal of BBD connects front-located power amplifier through low through bandpass filter.
5, karaoke machine as claimed in claim 1, it is characterized in that: the tuned circuit in the described radio reception circuit adopts varactor tuning, the tuned frequency of resonant network is controlled by the pressure regulation potentiometer, the pressure regulation potentiometer adopts the potentiometer of the exponential type of belt switch, the potentiometer mid point connects the negative terminal of varactor, other end ground connection, one termination positive supply of switch, another termination pressure regulation potentiometer, and connect the anode of switching diode by isolation resistance, anode is by the detection output terminal of coupling capacitance reception sound circuit, and the negative terminal of switching diode connects front-located power amplifier.
6, karaoke machine as claimed in claim 1, it is characterized in that: the resonant network LC two ends of described modulating emission circuit connect the collector and the base stage of generator triode respectively, antenna connects the collector of generator triode, base stage connects bias potential device mid point, the light emitting diode negativing ending grounding, positive termination resonant network LC one end, the light emitting diode anode connects positive supply by resistance, and provides operating voltage for the radio reception circuit.
7, karaoke machine as claimed in claim 1 is characterized in that: described external microphone is a Low ESR dynamic microphones connected mode, and the earth terminal of feedback resistance is by the moving plate switch ground connection of external Microphone.
8, karaoke machine as claimed in claim 1 is characterized in that: described loudspeaker is soft limit, a broadband loudspeaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92226136 CN2132235Y (en) | 1992-06-25 | 1992-06-25 | Wine bottle type karaoke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92226136 CN2132235Y (en) | 1992-06-25 | 1992-06-25 | Wine bottle type karaoke |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2132235Y true CN2132235Y (en) | 1993-05-05 |
Family
ID=33770537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92226136 Expired - Fee Related CN2132235Y (en) | 1992-06-25 | 1992-06-25 | Wine bottle type karaoke |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2132235Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101149918B (en) * | 2006-09-22 | 2012-03-28 | 鸿富锦精密工业（深圳）有限公司 | Voice treatment device with sing-practising function |
| CN101609667B (en) * | 2009-07-22 | 2012-09-05 | 福州瑞芯微电子有限公司 | Method for realizing karaoke function in PMP player |
-
1992
- 1992-06-25 CN CN 92226136 patent/CN2132235Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101149918B (en) * | 2006-09-22 | 2012-03-28 | 鸿富锦精密工业（深圳）有限公司 | Voice treatment device with sing-practising function |
| CN101609667B (en) * | 2009-07-22 | 2012-09-05 | 福州瑞芯微电子有限公司 | Method for realizing karaoke function in PMP player |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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 |