CN2197715Y

CN2197715Y - Instrument for karaoke

Info

Publication number: CN2197715Y
Application number: CN 94208538
Authority: CN
Inventors: 雷明凯
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-04-21
Filing date: 1994-04-21
Publication date: 1995-05-17
Anticipated expiration: 2004-04-21

Abstract

The utility model relates to a songs choosing display instrument for a karaoke hall. The utility model is designed for the automatic operation management. The songs choosing display instrument is composed of a display which is hung in the hall, and input units which are arranged on each client seat and a management table. The input unit is mainly comprises a keyboard and a display for displaying the keyed in data, and the hall display comprises a caption display screen which is composed of an LED dot matrix, a display screen driver which is used for depositing the dot matrix content and allocating the row and column scanning sequence of the dot matrix, and an SCM controller for controlling the display. The SCM controller scans the display screen driver at definite time, and delivers the content to be displayed, and simultaneously the SCM controller scans the read-in song choosing contents of each inlet at definite time.

Description

Instrument for karaoke

The utility model relates to a kind of indicating device with quiescent processes demonstration variable information, relates to a kind of Karaoke hall requesting song device or rather.

Existing Karaoke hall does not generally have electronics requesting song equipment, is to pass to information desk by writing strip by the attendant, announces the items on a programme or hangs up plate with numeral.The general light of karaoke halls is darker, and non-luminophor shows and be difficult to see clearly, and artificial requesting song management is difficult to guarantee absolute sequencing, more can not with the environment coordination of dancing hall.

The purpose of this utility model is a kind of karaoke halls requesting song of design device, particularly a kind of electronics requesting song device that is suitable for the hall use, has Room display effect, need not write strip, the son of listing, both be convenient to request a song operation, management and show of client and managerial personnel and watched, attractive in appearance again bright-coloured, rich dynamic.

Karaoke of the present utility model hall requesting song device, form by display and N input unit being electrically connected with display, display hangs over the position that can guarantee that all amusement personnel all can watch in the Room, N input unit be configured on every client's table respectively and the hall turnkey console on.

Display comprises the captions display screen that is made of LED array, is used to store the dot matrix content and distribute the display driver of dot matrix row, column scanning sequency and the singlechip controller that demonstration is controlled.

Described singlechip controller comprises by single-chip microcomputer, realize the data latches of data line address technology, the ROM of storage program and song code, the minimum Single Chip Microcomputer (SCM) system that the EPROM Chinese character base of the RAM of stored data and storage Chinese character is formed, the input data driver that is connected with N input unit, give the input port selector switch of each input unit with the sample port address signal of input unit of single-chip microcomputer, in the reading scan of captions display screen, deposit, the caption data register and the line driver thereof of buffering caption data, in the reading scan of captions display screen, deposit, the unit of buffering display screen address, block address register and line driver thereof and send caption data to deposit and the unit in proper order the control signal of single-chip microcomputer, the divider that block address is deposited, data bus is with RAM, ROM, Chinese character base EPROM, the single-chip processor i/o mouth, the caption data register, the unit, the block address register, the data terminal of input data driver links together, and the single-chip processor i/o mouth is exported RAM by data latches, ROM, the least-significant byte address signal of Chinese character base EPROM and directly export RAM by the I/O mouth, ROM, the most-significant byte address signal of Chinese character base EPROM;

A N of the present utility model input unit, be used for to singlechip controller input song that the client puts numbering, and show the data of this client input simultaneously, to check the correctness that monitors input operation, input unit comprises display, keyboard circuit, the scrambler that is connected with keyboard circuit, is connected with scrambler output, be used for to display send that the data of keystroke data are deposited, decoding, driver and send the line driver of importing data to the input data driver of singlechip controller;

Display driver of the present utility model comprises that the row of the caption data that receives singlechip controller output drive register and receive unit, the block address of singlechip controller output and the capable register that is linked in sequence, row divider and line driver.

Singlechip controller of the present utility model, regularly display is carried out the scanning that per second is not less than 30 times by divider, unit, block address register on the one hand, and in scanning, send content to display to display by the caption data register, simultaneously each input unit is also carried out the scanning that per second is not less than 30 times by the input port selector switch, read in the content of operation of each input unit and obtain address, corresponding input port by the input data driver.

Describe technology of the present utility model in detail below in conjunction with embodiment and accompanying drawing.

For realizing the object of the invention, make display have the hall display effect, and consider that song Chinese character number commonly used generally is no more than the situation of 9 words, the captions display screen that forms with dot matrix LEDs of the present utility model adopts the stripe shape display screen of nine fonts, and be divided into a unit with three strokes, a word in each unit is a piece, therefore block address is public, the element address is selected, line number when making printed circuit board (PCB) to save, standard Chinese character storehouse byte 16 * 16 pressed in a word, be combined into 16 * 16 font pieces with 8 * 8 dot matrix LEDs pieces, promptly four 8 * 8 matrix-blocks are combined into one 16 * 16 font piece, unit totally 12 8 * 8 matrix-blocks, are combined into the display screen of three unit again, with a unit with a basic display drive processes.

The input unit of present embodiment has 12, and one of them returns turnkey console to use.

Fig. 1. requesting song device in Karaoke hall totally connects block diagram

Fig. 2. Karaoke hall requesting song device general structure schematic diagram

Fig. 3, input unit structured flowchart shown in Figure 2

The enforcement circuit diagram of Fig. 4, input unit structure shown in Figure 3

The enforcement circuit diagram of Fig. 5, singlechip controller structure shown in Figure 2 is constituted by Fig. 5 A and Fig. 5 B.

The structured flowchart of Fig. 6, display driver shown in Figure 2

The enforcement circuit diagram of Fig. 7, display driver structure shown in Figure 6 is constituted by Fig. 7 A and Fig. 7 B.

Fig. 8-Figure 11 hall requesting song device part workflow diagram of playing Karaoka

Referring to Fig. 1, Ben Kala OK hall requesting song device comprise the display 100 that hangs over and N in the hall in individual with display 100 and the

input unit

1,2 that connects ... N.

Referring to Fig. 2, Karaoke hall requesting song device general structure comprises the singlechip controller of being made up of single-chip microcomputer 101, data latches 102, ROM103, RAM104, Chinese character base EPROM105, input data driver 106, input port selector switch 107, divider 112, caption data register 108, line driver 109 and unit, block address register 110, line driver 111, display driver 117 an and N input unit.113 is 8 bit data bus among the figure, and 114 is the least-significant byte address bus, and 115 is the most-significant byte address bus, and 112 couples of address A13-A15 of divider decipher and generate chip select signal, wherein Y ₀, Y ₁Send caption data register 108, Y ₂, Y ₃Sending unit, block address register 110,116 is 8 input data lines.

Requesting song device in Karaoke hall must have enough memory capacitys, comprise Chinese character, western language and control program, to finish due all functions of requesting song, and leave the extending space that user's specific (special) requirements is satisfied in certain confession, ROM103, Chinese character base EPROM104 need guarantee the storage of procedure quantity and kanji code amount, RAM105 also can increase font completely and arrange dynamic storage, to finish the variation of various display formats.

Present embodiment adopts the bus transfer dma mode, coordinate software and hardware to improve the transmission speed of data, promptly directly from RAM105, data are read in the display driver 117, simultaneously for to make displaying contents not account for the CPU space of single-chip microcomputer 101, adopt video data and unit, block address register 108,110, and carry out the input port sweep gate with input port selector switch 107 and control, the data that each input unit of sampling successively under single-chip microcomputer 101 unified commands is keyed in.

Referring to Fig. 3,12 input units (N=12) have identical structure, comprise the button inputting circuits formed by 4 * 4 keyboards 11, location senary scrambler 12 and line driver 13 and by the display circuit of depositing, decoding, driver 14, three digit display 16 are formed, 15 is shift unit, can be used for moving the demonstration position.

4 * 4 keyboards 11 comprise numerical key 0-9 and are respectively applied for and remove and the function key of input, and the client is according to the songbook content, and operand word, function key are keyed in reel number, face number (A, B face) and the song number of the song of putting.Place the input unit on the turnkey console, its numerical key is represented respectively one bent to finish except that having digital function in addition, circulation shows, preferentially sing, deletion song number, print or the effect of function such as the demonstration of checking out.In the numbering input singlechip CPU of input unit with song that each client puts, the numbering that shows input simultaneously by display 16, the hexadecimal code device becomes binary signal to drive long line 116 through driver 13 the keystroke signal encoding of key groups 11, simultaneously through deposit, decoding, driver 14 send three digit display 16 demonstrations the scale-of-two push button signalling.

Referring to Fig. 4, button 0-9, #, * and resistance group IC8, IC9 constitute key groups 11, scrambler IC4, IC5 constitute hexadecimal code device 12, Sheffer stroke gate IC6:A, IC6:B, IC6:C and triple gate IC10:A, IC10:B, IC10:C, IC10:D form line driver 14, data latches IC7 constitutes shift unit 15, IC1, IC2 and IC3 constitute deposit, decoding, driver 14, drive three 8 sections LCD 16.

Present embodiment has 12 input units, and 4 position datawires of its 12 drivers 14 are respectively by plug connector TP4-TP15 order sheet machine controller among Fig. 5 A.

Referring to Fig. 5 A, 5B, as space is limited, singlechip controller is implemented the circuit branch and is drawn among Fig. 5 A and Fig. 5 B, its end a1-a6 of the same name, a7-a14, d1-d10 interconnection.

Data latches IC20-IC25 and IC18 constitute input data driver 106, and integrated IC20-IC25 of each piece is responsible for two input units, and 8 bit data of each input unit are sent into data bus 113 through latch IC18.

IC1 single-chip microcomputer 101, its P10/T, P11/T, P12 signal generate 6 sampled signal a1-a6 of gating IC20-IC25 respectively through IC19 input port selector switch 107.IC2 data latches 102, IC3 Chinese character base EPROM105, IC4ROM103, IC5RAM104.Code translator IC6 and inverter ic 7:A, IC7:B, IC7:C, IC7:E constitute divider 112.IC11, IC12 constitute captions data register 108, and IC14, IC15 are its line driver.IC13, IC17:A, IC17:B formation unit, block address register 110, IC16, IC10 are its line driver.Connector T P1 is with font data and unit, and block address etc. are sent the respective end of Fig. 7.Connector T P2 send the display driver 113 of Fig. 7 with the address, input port of IC9 output and TKO, the RXD signal of single-chip microcomputer is also caused in the display driver 113.

Referring to Fig. 6, display driver 117 comprises diode matrix display screen 1121, line driver 1122, row divider 1123, row register 1124 and row drive, register 1125, article 4, row address (unit, block address) line of input register 1124 has 16 column data lines (caption data) to connect row driving, register 1125.

Referring to Fig. 7 A, Fig. 7 B, as space is limited, display driver is implemented the circuit branch and is drawn among Fig. 7 A and Fig. 7 B, its end B1-B3 of the same name, C1-C8, C9-C16 interconnection.

It is column data that connector T P1 inserts 16 font datas, IC1, IC2 are the column register IC3-IC8 of row driver, three unit, B1, B2, B3 select signal for it among the figure, and 16 * 16 double-colored dot matrix that IC11, IC12, IC14, IC15-IC17 constitute three unit show pleased.Connector T P2 inserts single-chip microcomputer TKO, RXD and 4 row addresses (unit, block address), deposit, decipher, distribute through IC9, IC20, generate 16 row selection signals, transistor P1-P16 and peripheral cell thereof constitute the driving circuit of 16 row selection signals, under the control of IC9, IC20, connect in turn each row, make the base stage of P1-P16 be followed successively by electronegative potential, triode is conducting successively also.

Along with the carrying out of line scanning, font data is also sent into the dot matrix display module simultaneously, and then the light emitting diode of delegation is luminous by font data, so sequential scanning finishes each row, because sweep velocity is very fast, as 40 times/second, display screen shows is one group of complete font and can not cause flicker.

Referring to Fig. 8-Figure 11, the working routine of Ben Kala OK hall requesting song device mainly is made up of four parts, comprises beginning, function control, interruption and the control of various display mode.

Wherein begin part, carry out six kinds of operations altogether, 1) to timer 0, timer 1 initialize; 2) the outer RAM of initialization sheet; 3) initialization shows flush zone, puts attribute (row, piece, unit) promptly for interior each word of flush zone; 4) compose initial value to keyboard buffer; 5) compose initial value for other miscellany variablees; 6) open timer 0,1, allow each to interrupt, in execution in step 2), 3) between, initialization shows the display properties of flush zone, and program is carried out and waited for requesting song then, and makes a speech, if title of the song buffer empty then always show salutatory,, explanation not empty at buffer zone be when having requesting song, then shows song number, client's seat number and the title of the song of the current first first song, in case title of the song buffer empty then return the demonstration salutatory.

Place the input unit of turnkey console, numerical key has the function key effect, as keys in 1 expression, one bent the end, keys in 2 expressions demonstrations that circulate, and keys in 3 and carries out preferential the performance, keys in 4 and carries out deletion song number, keys in 5 and carries out the demonstration etc. of printing or check out.

Fig. 8 is for carrying out a bent end operation, and each functional block meaning is described below: a-keys in 1, and b-shows and please sing by next bit, c-shows seat number, reel number, card, song number, and d-shows title of the song, and e-withdraws from, f-obtains Chinese character address, and g-reads the type matrix of a Chinese character.

Fig. 9 is for carrying out the circulation Presentation Function, and each functional block meaning is described below: a-keys in 2, and whether d-presses function key, and c-shows seat number, reel number, face number, song number, song title, and d-withdraws from.

Figure 10 is for carrying out the preferential function of singing, each functional block meaning is described below: a-keys in 3, b-receives keys such as seat number, c-receives song number, whether d-song number is 0, e-will sing number buffer zone in corresponding song number advance to after the current song, f-moves to sing and number withdraws from, the first first song that g-will this seat have put advances to after the current song, and h-moves all the other songs and number withdraws from.

Figure 11 shows that and carry out the function that song has been put in deletion, each functional block meaning is described below: a-keys in 4, b-receives seat number, c-receives reel number, face number, song number, whether d-song number is 0, the interior corresponding song of e deletion song buffer zone number, show the song deleted number, seat number etc., show title of the song, glimmer three times, f-moves remaining song number, seat number etc., g-withdraws from, and h-takes out a key assignments, and i-deletes the song of all these seat numbers, j-shows seat number, song number, title of the song, and k-moves seat number in all the other songs number, the seat number buffer zone, song number.

All the other functions of this requesting song device are as printing, the demonstration of checking out, and vertical demonstration waits and repeats no more.

Interrupt unit comprises demonstration interruption 1 and keyboard interrupt 2, shows the break period of interrupting by Abort Timer 0 timing controlled, and every 2ms interrupts once, and its interruption is superior to keyboard interrupt, and keyboard interrupt is by Abort Timer 1 timing controlled, and every about 25ms interruption once.

Requesting song device of the present utility model, its display screen width can not just can have the hall display effect less than 150mm, to reach the input unit operation requesting song on the turnkey console on each client's table, has absolute sequencing, and is convenient to watch operation, and is consistent with the hall environmental harmony

Based on technology of the present utility model, be equipped with some computing machines again, can constitute the real-time management system of singing-hall, comprise clearing watery wine expense, seat expense, requesting song expense etc.

Claims

1, a kind of Karaoke hall requesting song device, form by display with display and N input unit connecing, described display comprises the captions display screen, be used to the display driver that stores displaying contents and distribute DISPLAY ORDER and display driver, input unit are shown control respectively, read in the singlechip controller composition of input Data Control, it is characterized in that:

Described input unit, comprise display, keyboard, the scrambler that is connected with keyboard, is connected with scrambler output, be used for to display send that the data of keystroke data are deposited, decoding, driver and send the line driver of importing data to the input data driver of described singlechip controller;

Described display driver comprises that the row of the caption data that receives singlechip controller output drive register and receive the display screen address date of singlechip controller output and the row address register that is linked in sequence, row divider and line driver.

2, Karaoke according to claim 1 hall requesting song device, it is characterized in that: described singlechip controller comprises single-chip microcomputer, realize the data latches of data line address technology, the ROM of storage program and song code, the RAM of stored data, the EPROM Chinese character base of storage Chinese character, the input data driver that is connected with N input unit, give the input port selector switch of each input unit with the sample port address signal of input unit of single-chip microcomputer, deposit the caption data register of caption data, deposit the register of display screen address, the signal that Single-chip Controlling is deposited send the caption data register respectively, the divider of display screen address register connects RAM, ROM, Chinese character base EPROM, the single-chip processor i/o mouth, the caption data register, the data bus of display screen address register and input data driver each data terminal be connected RAM, ROM, each address end of Chinese character base EPROM and single-chip processor i/o mouth, the address bus of data latches output terminal.

3, Karaoke hall requesting song device according to claim 1 is characterized in that described captions display screen is the nine font stripe shape display screens that are made of dot matrix LEDs.

4, Karaoke hall requesting song device according to claim 1 is characterized in that described display screen address register comprises the location address register and the block address register of selecting a font in each unit that is made of a display unit three words.

5, Karaoke according to claim 1 hall requesting song device, it is characterized in that described input unit also comprise be positioned at described scrambler and data are deposited, between decoding, driver, be used for moving the shift unit that shows the position.