CN2190332Y

CN2190332Y - Operation facility of children computer

Info

Publication number: CN2190332Y
Application number: CN 94203977
Authority: CN
Inventors: 赵伟民
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-02-22
Filing date: 1994-02-22
Publication date: 1995-02-22
Anticipated expiration: 2004-02-22

Abstract

The utility model relates to a device which uses an electronic circuit to generate address subsection signals and trigger, stop signals, particularly suitable for changing mechanical operation into electronic operation in the recording and playing of speech piece subsection. The device comprises an encoder, a latch, and a timer. The encoder is input by hand keys, and simultaneously generates the trigger signals; the latch locks and inputs address; the timer stops recording and playing after 4 seconds. The device is combined with the speech piece, forming a learning machine supplied for children to conveniently use.

Description

Operation facility of children computer

The utility model relates to and a kind ofly carries out the recording playback sound with the language sheet, is applicable to the device that children operate when particularly carrying out the recording playback sound with language sheet T6668.

Language chip-the T6668 of Toshiba Corp that reports in 89 years 1,2 liang of phases of " radio " monthly magazine the 35th " high level language processors " literary composition, this piece performance/price is made memory than good with 4 41256.But this circuit is as children learning machine, very inconvenience, and inconvenience is that segmentation recording playback sound is switched on or switched off by scale-of-two with four switches in the primary circuit and carries out 16 segmentations, and has to trigger and mechanical switch such as stop, this makes children be difficult to grasp.

It is a kind of with electronic circuit 8 segmentations and produce simultaneously and trigger or stop signal replaces mechanical switch in the former circuit that the purpose of this utility model is to provide, and it can make original complicated operations become the handled easily that is suitable for children.

Technical solution of the present utility model is that a kind of children learning machine operating equipment is characterized in that: be made up of scrambler, latch, timer; Described scrambler is imported by 8 hand keys, latch is sent in output, and produce language sheet trigger pip simultaneously, latch output triad current potential is given language sheet address segmentation input end, the timer input is controlled by scrambler, and the clock end CP that stops pin and latch of control language sheet is removed in output.

Scrambler in the above-mentioned technical solution is connected into one 8 priority encoder integrated circuit CC4532, and latch latchs D flip-flop integrated circuit CC4042 with one four and is connected into, and timer is connected into a double D trigger integrated circuit CC4013.

Accompanying drawing is the circuit theory diagrams of the utility model embodiment, and the pin in the frame of broken lines number is the relevant pin of language sheet T6668.

Below in conjunction with accompanying drawing the utility model is done further narration:

Energising back timer 1/2CC4013 set end S is an electronegative potential, so its Q end is " 0 ",

End is " 1 ", and language sheet T6668 is that high level is in halted state because of stopping pin (33) pin.When pressing last 8 when touching among the key K0-K7 arbitrary key of scrambler CC4532 input end D0-D7, such as pressing K5, it is 101 that corresponding level appears in output terminal Q2, Q1, Q0, this level signal is sent into D3, D2, the D1 pin of latch CC4042, its POL pin ground connection, clock end CP ↑ time be latch signal, at this moment for reaching CP, " 0 " is " 0 " because of timer Q end, so the input signal of latch passes to its output terminal Q3, Q2, Q1, is 101 level, at this moment the Q of scrambler _GSEnd rises to " 1 " in company with the input of hand key, and one the road reaches the triggering pin (32) of T6668, and one the road reaches timer set end S pin, makes timer

Hold ↓ be " 0 ", T6668(33) pin is removed and is stopped.Because of (27) pin in the original 16 segmentation input pins of T6668 (big-endian arrangement) (31), (29), (28), (27) unsettled, so this pin is a low level, and (31), (29), (28) each pin obtain 101 signals that latch is sent here, the address block signal that T6668 obtains is 1010, and the language sheet is just recorded by this address or playback.

Therefore timer Q hold ↑ be " 1 " time, reaches latch CP end ↑ " 1 ", its output latch the signal of importing 101, so the at this moment openhanded K5 key of opening can guarantee that still T6668 address block signal is 1010.Simultaneously anti-inclined to one side because of diode D1, VDD charges to C1 by W, R1, and levelling W reaches the threshold level of reset terminal R after just C1 charged about 4 seconds and makes the d type flip flop upset, and Q hold ↓ is " 0 ",

Hold ↑ be " 1 ", T6668 stops pin (33) ↑ stop for " 1 " makes the recording playback sound.C1 holds discharge by D1, Q, and for regularly prepare next time, CP hold ↓ is " 0 " simultaneously, latchs and CC4042 is removed, and prepares for transmit the input data next time.

Timer Q end is received the base stage of triode VT through R7, and the collector of VT connects-LED, act as when hand key K0-K7 is arbitrary when input is arranged, timer Q end ↑ make the VT conducting for " 1 ", the just luminous indication of LED, Q hold ↓ is " 0 " after 4 seconds, LED just extinguishes, and can be used as the indication of recording playback sound.

Each element effect is as follows: each integrated package and triode effect are as above-mentioned.K0-K7,8 are touched key, and R0-R7 is each input pin D0-D7 pull down resistor of CC4532, W1, R1 charging resistor, R2, R6, R7 isolation resistance, R3, R4 pull-up resistor, the R5 pull down resistor, C1 charge and discharge capacitance, C2 remove lotus root electric capacity, and D1 rises and isolates and discharge usefulness.

The utility model only clicks the hand key in use, can record or playback by the operating language sheet, with the design on former " radio "---move four address block switches and one record or playback switch according to binary system, the two operation is compared, obviously this utility model is simple and convenient, is easy to children and uses.

Claims

1, a kind of children learning machine operating equipment is characterized in that; Form by scrambler, latch, timer; Described scrambler is imported by 8 hand keys, latch is sent in output, and produce language sheet trigger pip simultaneously, latch output triad current potential is given language sheet address segmentation input end, the timer input is controlled by scrambler, and the clock end CP that stops pin and latch of control language sheet is removed in output.

2, children learning machine operating equipment according to claim 1 is characterized in that; Described scrambler is connected into one 8 priority encoder integrated circuit CC4532, and latch latchs D flip-flop integrated circuit CC4042 with one four and is connected into, and timer is connected into a double D trigger integrated circuit CC4013.

3, children learning machine operating equipment according to claim 1 and 2 is characterized in that; The Q of timer holds the base stage that connects a triode through a resistance, and the collector of this triode meets a pilot lamp LED.