CN2279073Y

CN2279073Y - Antenatal training instrument

Info

Publication number: CN2279073Y
Application number: CN96223438U
Authority: CN
Inventors: 胡大春; 洪玉虎; 刘冬明
Original assignee: CONSTRUCTION ELECTRIC APPLIANCES FACTORY TAIXING CITY
Current assignee: CONSTRUCTION ELECTRIC APPLIANCES FACTORY TAIXING CITY
Priority date: 1996-08-16
Filing date: 1996-08-16
Publication date: 1998-04-22
Anticipated expiration: 2006-08-16

Abstract

The utility model relates to an antenatal training instrument, which belongs to the technical field of speech music storage and playback of the prenatal training. The utility model is characterized in that a voice memory technology and a voice playback technology are used; the speech of the prenatal training can be stored and played back via a speech film, a disposable programmable speech electric circuit, and a speech processing electric circuit without the time, place, and content restrictions. The utility model can carry out the prenatal training for embryos at will. The electric circuits and other related electric circuits can be positioned in abdominal belts on the abdomens of pregnant women. The utility model has the advantages of simple structure and low cost.

Description

Antenatal training instrument

The utility model relates to a kind of Antenatal training instrument that belongs to voice, music storage and the reproducing process field of suitable prenatal culture.

At present, the prenatal culture utensil of selling on the market all is as main prenatal culture instrument with radio cassette player, audiotape.It is unfavorable for that the pregnant woman perseveres, regularly fetus carried out prenatal culture, and can not reach real prenatal culture purpose.Radio cassette player, same time of audiotape once finish, and can not allow fetus regularly, carry out prenatal culture selectively, the good habit that makes fetus form rests, study subtlely, live.

The purpose of this utility model is to provide that a kind of function is complete, intelligence is high, in light weight, volume is little, easy to carry, be convenient to operate, nothing is uncomfortable, pollution-free, have no side effect, can not be subjected to the constraint in time place, the pregnant woman can be resided teach residence Antenatal training instrument happy, that perseveringly fetus is educated.

The purpose of this utility model is achieved through the following technical solutions: a kind of Antenatal training instrument, it is characterized in that to be trapped among in the abdominal belt of pregnant woman's belly and be provided with ON-OFF control circuit, voice mask circuit, the One Time Programmable sound circuit, speech processing circuit, the microphone audio amplifying circuit, power amplification circuit, loudspeaker and power circuit, the output terminal of voice mask circuit, the One Time Programmable sound circuit is respectively through capacitor C 21, C22 is coupled to the 3rd pin of the integrated circuit (IC) 10 (LM886) in the power amplification circuit, the 1st pin of the integrated circuit (IC) 4 (TC8830) in the speech processing circuit connects power amplification circuit to loudspeaker, voice mask circuit directly carries out the selection of duty by K switch 19～K22, the One Time Programmable sound circuit directly carries out the selection of duty by K switch 23～K26, and speech processing circuit directly carries out duty by K switch 2～K18 and selects; Voice mask circuit is a sound-compound-circuit, voice signal is stored in the mask speech memory with the digital code form, by integrated circuit (IC) 11 and resistance R 2, R3, R8, R9, R15, R20, transistor BG1, BG2, capacitor C 12, C13, C14, C18, C20, C21, potentiometer W1 and K switch 19～K22 constitute; The One Time Programmable sound circuit comprises disposable programmable read only memory array, D/A converting circuit, high-frequency output circuit, by integrated circuit (IC) 12 (HY142) and resistance R 12, R13, R22, diode D1, capacitor C 22, C23 and K switch 23～K26 constitute; Speech processing circuit comprises speech processor, EPROM, address latch, audio frequency power amplifier, coding, decoding scheme, by integrated circuit (IC) 1, IC2 (74LS148), IC3 (CD4011), IC4 (TC8830), IC5 (EPROM27CO40), IC6 (74LS273), IC7 (74LS138), IC8, IC9 (CD4093), crystal oscillator 600K, capacitor C 2～C7, C12, resistance R 4, R6, R7 constitute; Power amplification circuit is made of integrated circuit (IC) 10 (LM886), capacitor C 8～C11, K switch 1, resistance R 1, R5.

The utility model adopts voice storage technique and voice reproducing process, carry out the storage and the playback of prenatal culture voice by voice mask, One Time Programmable sound circuit, speech processing circuit, be not subjected to time, place, content constraints, can indiscriminately ad. as one wishes carry out prenatal culture fetus.The utility model is simple in structure, cost is low, be easy to promote the use of.

Accompanying drawing 1 is the utility model circuit block diagram;

Accompanying drawing 2 is the utility model voice mask circuit theory diagrams.

Accompanying drawing 3 is schematic diagrams of the utility model One Time Programmable sound circuit.

Accompanying drawing 4 is schematic diagrams of the utility model speech processing circuit.

In the accompanying drawing: R1-R7 is a resistance, C1-C11 is an electric capacity, K switch 1, K2-K13 is straight strong self-lock switch, Y is a loudspeaker, VDD is power supply+5V, Vss is power cathode (ground wire), IC1, IC2 is integrated circuit (74LS148), IC3 is integrated circuit (CD4011), IC4 is voice processing integrated circuit (TC8830), IC6 is address latch integrated circuit (74LS273), IC7 is address latch integrated circuit (74LS138), IC8, IC9 is integrated circuit (CD4093), IC5 is electrically programmable read-only memory (EPROM27CO40), IC10 is power amplifier integrate circuit (LM386), IC11 is a voice mask circuit, IC12 is one-off programming speech IC (HY142).

Now in conjunction with the accompanying drawings and embodiments the utility model is further introduced, be linked and packed by accompanying drawing 1, accompanying drawing 2, accompanying drawing 3, accompanying drawing 4 circuit, all be contained in the abdominal belt of making by cloth, press K2-K18 respectively and be input among the IC4 by 16 kinds of different coded signals that combinational IC1, IC2, IC3 encode, triggered by K switch 2-K18 behind Closing Switch K1, IC4 takes out the voice and the music signal of the storage of the prenatal culture among the IC5 and deliver to loudspeaker through the power amplification of IC10 after treatment and emit required prenatal culture content.IC8, IC9 constantly produce the work that control signal is coordinated other circuit, IC6, IC7 are used for expanding the capacity of IC5 as address latch, Push switch K19-K22 can directly trigger voice mask IC circuit 11, the pre-amplification circuit that 13, the 14 pin output of IC11 is formed through BG1, BG2, C13, C14, R2 amplifies the back and is coupled to 3 pin of power discharging IC 10 by C15, passes through after the power amplification to loudspeaker and emits needed prenatal culture content.Push switch K23-K26 triggers the trigger end of one-off programming integrated circuit (IC) 12, makes the 8 pin output of IC12 emit the prenatal culture content by loudspeaker after the power amplification of IC10.Use the electret capacitor microphone, after power amplification, emit sound so that mothers and sons, father and son or the like engage in the dialogue by loudspeaker.

Claims

1, a kind of Antenatal training instrument, it is characterized in that to be trapped among in the abdominal belt of pregnant woman's belly and be provided with ON-OFF control circuit, voice mask circuit, the One Time Programmable sound circuit, speech processing circuit, language tube audio-amplifying circuit, power amplification circuit, loudspeaker and power circuit, the output terminal of voice mask circuit, the One Time Programmable sound circuit is respectively through capacitor C 21, C22 is coupled to the 3rd pin of the integrated circuit (IC) 10 (LM886) in the power amplification circuit, the 1st pin of the integrated circuit (IC) 4 (TC8830) in the speech processing circuit connects power amplification circuit to loudspeaker, voice mask circuit directly carries out the selection of duty by K switch 19～K22, the One Time Programmable sound circuit directly carries out the selection of duty by K switch 23～K26, and speech processing circuit directly carries out the selection of duty by K switch 2～K18.

2, Antenatal training instrument according to claim 1, it is characterized in that voice mask circuit is a sound-compound-circuit, voice signal is stored in the mask speech memory with the digital code form, by integrated circuit (IC) 11 and resistance R 2, R3, R8, R9, R15, R20, transistor BG1, BG2, capacitor C 12, C13, C14, C18, C20, C21, potentiometer W1 and K switch 19～K22 constitute.

3, Antenatal training instrument according to claim 1, it is characterized in that the One Time Programmable sound circuit comprises the disposable programmable read only memory array, counts and touch change-over circuit, high-frequency output circuit, by integrated circuit (IC) 12 (HY142) and resistance R 12, R13, R22, diode D1, capacitor C 22, C23 and K switch 23～K26 constitute.

4, Antenatal training instrument according to claim 1, it is characterized in that speech processing circuit comprises speech processor, electric programmable read-only memory (PROM), address latch, audio frequency power amplifier, coding, decoding scheme, by integrated circuit (IC) 1, IC2 (74LS148), IC3 (CD4011), IC4 (TC8830), IC5 (EPROM27C040), IC6 (74LS273), IC7 (74LS138), IC8, IC9 (CD4093), crystal oscillator 600K, capacitor C 2～C7, C12, resistance R 4, R6, R7 constitute.

5, Antenatal training instrument according to claim 1 is characterized in that power amplification circuit by integrated circuit (IC) 10 (LM886), and capacitor C 8～C11, K switch 1, resistance R 1, R5 constitute.