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一種音視頻信號處理電路的制作方法

文(wen)檔(dang)序號:11157668閱(yue)讀:1094來源:國知局
一種音視頻信號處理電路的制造方法與工藝

本發(fa)明涉(she)及一種(zhong)控制電路,具體(ti)是一種(zhong)音視頻信號(hao)處理電路。



背景技術:

目(mu)前鐵路中的(de)空調旅客列(lie)車大(da)多數是22B、25G型(xing)無同軸電纜連接(jie)的(de)主流型(xing)客車,若在各(ge)(ge)(ge)車廂(xiang)(xiang)上安裝(zhuang)視頻播放系(xi)統)只(zhi)能采(cai)用各(ge)(ge)(ge)車廂(xiang)(xiang)獨立播出方式,其(qi)基本(ben)結構(gou)為:各(ge)(ge)(ge)車廂(xiang)(xiang)的(de)播放系(xi)統通過802.11無線協議進行(xing)鄰車網絡(luo)綁定(ding)(ding),直至(zhi)與安裝(zhuang)在車上的(de)廣播服(fu)務(wu)器相連,由服(fu)務(wu)器向各(ge)(ge)(ge)車廂(xiang)(xiang)提供互聯網接(jie)入服(fu)務(wu)、利(li)用GPS衛(wei)星定(ding)(ding)位系(xi)統實(shi)現(xian)列(lie)車自動報站、列(lie)車即時速度提示(shi)和由播音員控制的(de)全列(lie)車靜音設置。

以上基本結(jie)(jie)構(gou)在圈(quan)定(ding)編組(zu)的(de)(de)(de)(de)動車組(zu)上采用(yong)沒(mei)有什(shen)么問題,但在普通列(lie)車上使用(yong)時,由于車輛的(de)(de)(de)(de)甩(shuai)掛比較頻(pin)繁,一(yi)旦在列(lie)車的(de)(de)(de)(de)非(fei)(fei)首、尾(wei)端插入無系統的(de)(de)(de)(de)車輛就(jiu)會造成非(fei)(fei)廣播車一(yi)側的(de)(de)(de)(de)網(wang)絡中斷(duan),同(tong)時無線網(wang)橋不能穿越20多米屏(ping)蔽較強的(de)(de)(de)(de)鋼結(jie)(jie)構(gou)加掛車,此外,列(lie)車運行(xing)中茗(ming)某一(yi)網(wang)橋死機也(ye)會造成網(wang)絡中斷(duan)。這樣列(lie)車播音(yin)(yin)員無法對這些脫離網(wang)路的(de)(de)(de)(de)車廂進行(xing)靜音(yin)(yin)控制(zhi),其表現為:列(lie)車播音(yin)(yin)室播出的(de)(de)(de)(de)聲音(yin)(yin)與視(shi)頻(pin)節目(mu)的(de)(de)(de)(de)聲音(yin)(yin)同(tong)時播出,相互干擾(rao)。



技術實現要素:

本發明的(de)(de)目的(de)(de)在于提(ti)供一種(zhong)音視頻信號處理電路,以解決上述背景技術中提(ti)出的(de)(de)問題。

為實現(xian)上述目的(de),本發明提(ti)供如下技術方(fang)案:

一種(zhong)音視頻信號處理(li)電(dian)(dian)路,包括(kuo)電(dian)(dian)阻(zu)(zu)R1、電(dian)(dian)容C1、三(san)極(ji)管(guan)(guan)(guan)Q1、與(yu)(yu)門(men)U1、發(fa)光二(er)極(ji)管(guan)(guan)(guan)LED和三(san)極(ji)管(guan)(guan)(guan)Q2,所述電(dian)(dian)容C1連(lian)(lian)接(jie)(jie)(jie)(jie)(jie)(jie)廣(guang)播信號Vi,電(dian)(dian)容C1另(ling)一端(duan)(duan)分別(bie)連(lian)(lian)接(jie)(jie)(jie)(jie)(jie)(jie)電(dian)(dian)阻(zu)(zu)R1和三(san)極(ji)管(guan)(guan)(guan)Q1基(ji)極(ji),三(san)極(ji)管(guan)(guan)(guan)Q1發(fa)射極(ji)接(jie)(jie)(jie)(jie)(jie)(jie)地(di),三(san)極(ji)管(guan)(guan)(guan)Q1集電(dian)(dian)極(ji)分別(bie)連(lian)(lian)接(jie)(jie)(jie)(jie)(jie)(jie)電(dian)(dian)阻(zu)(zu)R2和與(yu)(yu)非(fei)(fei)(fei)門(men)U1的兩(liang)(liang)(liang)個輸(shu)入端(duan)(duan),與(yu)(yu)非(fei)(fei)(fei)門(men)U1輸(shu)出(chu)端(duan)(duan)連(lian)(lian)接(jie)(jie)(jie)(jie)(jie)(jie)與(yu)(yu)非(fei)(fei)(fei)門(men)U2的兩(liang)(liang)(liang)個輸(shu)入端(duan)(duan),與(yu)(yu)非(fei)(fei)(fei)門(men)U2輸(shu)出(chu)端(duan)(duan)連(lian)(lian)接(jie)(jie)(jie)(jie)(jie)(jie)二(er)極(ji)管(guan)(guan)(guan)D1正極(ji),二(er)極(ji)管(guan)(guan)(guan)D1負(fu)極(ji)分別(bie)連(lian)(lian)接(jie)(jie)(jie)(jie)(jie)(jie)與(yu)(yu)非(fei)(fei)(fei)門(men)U3兩(liang)(liang)(liang)個輸(shu)入端(duan)(duan)、電(dian)(dian)阻(zu)(zu)R3和電(dian)(dian)容C3,電(dian)(dian)容C3另(ling)一端(duan)(duan)連(lian)(lian)接(jie)(jie)(jie)(jie)(jie)(jie)電(dian)(dian)阻(zu)(zu)R3另(ling)一端(duan)(duan)并接(jie)(jie)(jie)(jie)(jie)(jie)地(di),與(yu)(yu)非(fei)(fei)(fei)門(men)U3輸(shu)出(chu)端(duan)(duan)連(lian)(lian)接(jie)(jie)(jie)(jie)(jie)(jie)與(yu)(yu)非(fei)(fei)(fei)門(men)U4兩(liang)(liang)(liang)個輸(shu)出(chu)端(duan)(duan),與(yu)(yu)非(fei)(fei)(fei)門(men)U4輸(shu)出(chu)端(duan)(duan)連(lian)(lian)接(jie)(jie)(jie)(jie)(jie)(jie)電(dian)(dian)阻(zu)(zu)R4,電(dian)(dian)阻(zu)(zu)R4另(ling)一端(duan)(duan)連(lian)(lian)接(jie)(jie)(jie)(jie)(jie)(jie)三(san)極(ji)管(guan)(guan)(guan)Q2基(ji)極(ji),三(san)極(ji)管(guan)(guan)(guan)Q2發(fa)射極(ji)接(jie)(jie)(jie)(jie)(jie)(jie)地(di),三(san)極(ji)管(guan)(guan)(guan)Q2集電(dian)(dian)極(ji)分別(bie)連(lian)(lian)接(jie)(jie)(jie)(jie)(jie)(jie)二(er)極(ji)管(guan)(guan)(guan)D2正極(ji)和繼(ji)電(dian)(dian)器J線圈(quan),繼(ji)電(dian)(dian)器J線圈(quan)另(ling)一端(duan)(duan)分別(bie)連(lian)(lian)接(jie)(jie)(jie)(jie)(jie)(jie)電(dian)(dian)源(yuan)VCC、二(er)極(ji)管(guan)(guan)(guan)D2負(fu)極(ji)、接(jie)(jie)(jie)(jie)(jie)(jie)地(di)電(dian)(dian)容C4、電(dian)(dian)阻(zu)(zu)R2另(ling)一端(duan)(duan)和電(dian)(dian)阻(zu)(zu)R1另(ling)一端(duan)(duan);繼(ji)電(dian)(dian)器J觸點控制視頻播放系統的開關。

作為(wei)本發(fa)明進一步的方案:所述繼電器(qi)J觸(chu)(chu)點(dian)為(wei)常(chang)閉(bi)觸(chu)(chu)點(dian)。

作(zuo)為本發(fa)明(ming)進(jin)一步的方案:所述電阻R4還能夠通過發(fa)光二(er)極管LED連接三極管Q2基極。

作為本發明進(jin)一步的方(fang)案:所述電源VCC電壓(ya)為12V。

作為本(ben)發明再進一步(bu)的(de)方案:所述(shu)三極(ji)管Q1和三極(ji)管Q2均為NPN三極(ji)管。

與(yu)(yu)現有技(ji)術(shu)相(xiang)比(bi),本(ben)發(fa)明的(de)有益效果是:本(ben)發(fa)明通過接(jie)收廣播(bo)信號(hao)Vi,自(zi)動切換視頻播(bo)放(fang)系統的(de)開(kai)關,從而使列車內的(de)廣播(bo)系統與(yu)(yu)視頻播(bo)放(fang)系統獨(du)立開(kai)來,防止兩個系統同時放(fang)音。

附圖說明

圖1為音視頻信號(hao)處理電路的(de)電路圖。

具體實施方式

下(xia)面將結合本(ben)發(fa)明(ming)(ming)實(shi)(shi)施(shi)例(li)(li)中的附圖,對本(ben)發(fa)明(ming)(ming)實(shi)(shi)施(shi)例(li)(li)中的技(ji)術方案進行清(qing)楚、完整地描述,顯(xian)然,所(suo)描述的實(shi)(shi)施(shi)例(li)(li)僅僅是本(ben)發(fa)明(ming)(ming)一部分(fen)實(shi)(shi)施(shi)例(li)(li),而不(bu)是全部的實(shi)(shi)施(shi)例(li)(li)。基于(yu)本(ben)發(fa)明(ming)(ming)中的實(shi)(shi)施(shi)例(li)(li),本(ben)領域普通技(ji)術人員在沒有做出(chu)創(chuang)造性勞動(dong)前提(ti)下(xia)所(suo)獲得(de)的所(suo)有其(qi)他實(shi)(shi)施(shi)例(li)(li),都屬(shu)于(yu)本(ben)發(fa)明(ming)(ming)保護的范(fan)圍(wei)。

本發(fa)明實施例中,一(yi)(yi)(yi)種音視頻(pin)信(xin)號(hao)(hao)處(chu)理(li)電(dian)(dian)(dian)路,包括電(dian)(dian)(dian)阻(zu)(zu)R1、電(dian)(dian)(dian)容(rong)(rong)C1、三(san)極(ji)(ji)(ji)(ji)(ji)管(guan)(guan)(guan)(guan)(guan)Q1、與(yu)(yu)門(men)(men)U1、發(fa)光(guang)二(er)極(ji)(ji)(ji)(ji)(ji)管(guan)(guan)(guan)(guan)(guan)LED和三(san)極(ji)(ji)(ji)(ji)(ji)管(guan)(guan)(guan)(guan)(guan)Q2,所述(shu)電(dian)(dian)(dian)容(rong)(rong)C1連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)廣播(bo)信(xin)號(hao)(hao)Vi,電(dian)(dian)(dian)容(rong)(rong)C1另(ling)一(yi)(yi)(yi)端(duan)分(fen)別(bie)連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)電(dian)(dian)(dian)阻(zu)(zu)R1和三(san)極(ji)(ji)(ji)(ji)(ji)管(guan)(guan)(guan)(guan)(guan)Q1基(ji)極(ji)(ji)(ji)(ji)(ji),三(san)極(ji)(ji)(ji)(ji)(ji)管(guan)(guan)(guan)(guan)(guan)Q1發(fa)射極(ji)(ji)(ji)(ji)(ji)接(jie)(jie)(jie)(jie)地(di),三(san)極(ji)(ji)(ji)(ji)(ji)管(guan)(guan)(guan)(guan)(guan)Q1集電(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)分(fen)別(bie)連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)電(dian)(dian)(dian)阻(zu)(zu)R2和與(yu)(yu)非(fei)(fei)(fei)門(men)(men)U1的兩(liang)個(ge)(ge)(ge)輸(shu)(shu)(shu)入(ru)端(duan),與(yu)(yu)非(fei)(fei)(fei)門(men)(men)U1輸(shu)(shu)(shu)出端(duan)連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)與(yu)(yu)非(fei)(fei)(fei)門(men)(men)U2的兩(liang)個(ge)(ge)(ge)輸(shu)(shu)(shu)入(ru)端(duan),與(yu)(yu)非(fei)(fei)(fei)門(men)(men)U2輸(shu)(shu)(shu)出端(duan)連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)二(er)極(ji)(ji)(ji)(ji)(ji)管(guan)(guan)(guan)(guan)(guan)D1正極(ji)(ji)(ji)(ji)(ji),二(er)極(ji)(ji)(ji)(ji)(ji)管(guan)(guan)(guan)(guan)(guan)D1負(fu)極(ji)(ji)(ji)(ji)(ji)分(fen)別(bie)連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)與(yu)(yu)非(fei)(fei)(fei)門(men)(men)U3兩(liang)個(ge)(ge)(ge)輸(shu)(shu)(shu)入(ru)端(duan)、電(dian)(dian)(dian)阻(zu)(zu)R3和電(dian)(dian)(dian)容(rong)(rong)C3,電(dian)(dian)(dian)容(rong)(rong)C3另(ling)一(yi)(yi)(yi)端(duan)連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)電(dian)(dian)(dian)阻(zu)(zu)R3另(ling)一(yi)(yi)(yi)端(duan)并(bing)接(jie)(jie)(jie)(jie)地(di),與(yu)(yu)非(fei)(fei)(fei)門(men)(men)U3輸(shu)(shu)(shu)出端(duan)連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)與(yu)(yu)非(fei)(fei)(fei)門(men)(men)U4兩(liang)個(ge)(ge)(ge)輸(shu)(shu)(shu)出端(duan),與(yu)(yu)非(fei)(fei)(fei)門(men)(men)U4輸(shu)(shu)(shu)出端(duan)連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)電(dian)(dian)(dian)阻(zu)(zu)R4,電(dian)(dian)(dian)阻(zu)(zu)R4另(ling)一(yi)(yi)(yi)端(duan)連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)發(fa)光(guang)二(er)極(ji)(ji)(ji)(ji)(ji)管(guan)(guan)(guan)(guan)(guan)LED正極(ji)(ji)(ji)(ji)(ji),發(fa)光(guang)二(er)極(ji)(ji)(ji)(ji)(ji)管(guan)(guan)(guan)(guan)(guan)LED負(fu)極(ji)(ji)(ji)(ji)(ji)連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)三(san)極(ji)(ji)(ji)(ji)(ji)管(guan)(guan)(guan)(guan)(guan)Q2基(ji)極(ji)(ji)(ji)(ji)(ji),三(san)極(ji)(ji)(ji)(ji)(ji)管(guan)(guan)(guan)(guan)(guan)Q2發(fa)射極(ji)(ji)(ji)(ji)(ji)接(jie)(jie)(jie)(jie)地(di),三(san)極(ji)(ji)(ji)(ji)(ji)管(guan)(guan)(guan)(guan)(guan)Q2集電(dian)(dian)(dian)極(ji)(ji)(ji)(ji)(ji)分(fen)別(bie)連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)二(er)極(ji)(ji)(ji)(ji)(ji)管(guan)(guan)(guan)(guan)(guan)D2正極(ji)(ji)(ji)(ji)(ji)和繼(ji)(ji)(ji)電(dian)(dian)(dian)器J線圈,繼(ji)(ji)(ji)電(dian)(dian)(dian)器J線圈另(ling)一(yi)(yi)(yi)端(duan)分(fen)別(bie)連(lian)(lian)(lian)接(jie)(jie)(jie)(jie)電(dian)(dian)(dian)源VCC、二(er)極(ji)(ji)(ji)(ji)(ji)管(guan)(guan)(guan)(guan)(guan)D2負(fu)極(ji)(ji)(ji)(ji)(ji)、接(jie)(jie)(jie)(jie)地(di)電(dian)(dian)(dian)容(rong)(rong)C4、電(dian)(dian)(dian)阻(zu)(zu)R2另(ling)一(yi)(yi)(yi)端(duan)和電(dian)(dian)(dian)阻(zu)(zu)R1另(ling)一(yi)(yi)(yi)端(duan);繼(ji)(ji)(ji)電(dian)(dian)(dian)器J常閉觸點(dian)控制視頻(pin)播(bo)放系統的開關。

按照圖(tu)1所(suo)示參數(shu)搭建(jian)電(dian)路,電(dian)源(yuan)VCC為(wei)12V直流電(dian)壓(ya),在(zai)(zai)廣播(bo)線無(wu)音頻電(dian)壓(ya)時,此(ci)(ci)時廣播(bo)信號Vi不(bu)存在(zai)(zai),三(san)極管Q1正偏(pian)導(dao)通,導(dao)通的程(cheng)度由(you)(you)電(dian)阻R1的大小決定,此(ci)(ci)時U1的兩個輸入端為(wei)低(di)電(dian)平(ping);根據與(yu)(yu)非(fei)門(men)真值表可知:與(yu)(yu)非(fei)門(men)U1的輸出(chu)端為(wei)高電(dian)平(ping),以(yi)此(ci)(ci)推斷:與(yu)(yu)非(fei)門(men)U2輸出(chu)低(di)電(dian)平(ping)→二級管D1反偏(pian)截止(zhi)→與(yu)(yu)非(fei)門(men)U3由(you)(you)于電(dian)阻R3接地,輸出(chu)高電(dian)平(ping)→與(yu)(yu)非(fei)門(men)U4輸出(chu)為(wei)低(di)電(dian)平(ping)→發光二極管LED反偏(pian)截止(zhi),發光二極管LED熄滅→三(san)極管Q2無(wu)正偏(pian)壓(ya),截止(zhi)→繼電(dian)器J無(wu)吸(xi)合電(dian)流,保持在(zai)(zai)釋放狀態(tai)→繼電(dian)器J常閉(bi)觸點接通視(shi)頻播(bo)放系統,視(shi)頻聲音正常播(bo)出(chu)。

當廣播(bo)(bo)(bo)線(xian)路(lu)中出(chu)(chu)現廣播(bo)(bo)(bo)信(xin)號(hao)Vi后,在(zai)電(dian)(dian)(dian)解電(dian)(dian)(dian)容(rong)(rong)C1的(de)(de)充(chong)放(fang)電(dian)(dian)(dian)作用下,當某一瞬間(jian)C1處于放(fang)電(dian)(dian)(dian)的(de)(de)狀態(tai)(tai)時,拉低(di)(di)三極管(guan)Q1的(de)(de)基極電(dian)(dian)(dian)壓(ya)(ya),使三極管(guan)Q1由導通(tong)變為(wei)(wei)(wei)截止(zhi),則三極管(guan)Q1集(ji)電(dian)(dian)(dian)極電(dian)(dian)(dian)壓(ya)(ya)升高(gao)至接(jie)近電(dian)(dian)(dian)源(yuan)VCC的(de)(de)電(dian)(dian)(dian)壓(ya)(ya)→與(yu)(yu)非(fei)門U1的(de)(de)輸(shu)出(chu)(chu)端為(wei)(wei)(wei)低(di)(di)電(dian)(dian)(dian)平,以(yi)此推斷→與(yu)(yu)非(fei)門U2輸(shu)出(chu)(chu)高(gao)電(dian)(dian)(dian)平→二級管(guan)D1正偏(pian)導通(tong)→與(yu)(yu)非(fei)門U3輸(shu)入(ru)端為(wei)(wei)(wei)高(gao)電(dian)(dian)(dian)平、電(dian)(dian)(dian)容(rong)(rong)C3充(chong)電(dian)(dian)(dian)上正下負、與(yu)(yu)非(fei)門U3輸(shu)出(chu)(chu)端為(wei)(wei)(wei)低(di)(di)電(dian)(dian)(dian)平→與(yu)(yu)非(fei)門U4輸(shu)出(chu)(chu)為(wei)(wei)(wei)高(gao)電(dian)(dian)(dian)平→發(fa)光二極管(guan)LED正偏(pian),導通(tong)發(fa)光→三極管(guan)Q2獲(huo)得足夠的(de)(de)正偏(pian)壓(ya)(ya)而導通(tong)→繼電(dian)(dian)(dian)器J得電(dian)(dian)(dian)吸合→繼電(dian)(dian)(dian)器J常(chang)閉(bi)觸點關閉(bi)視頻(pin)播(bo)(bo)(bo)放(fang)系統,即視頻(pin)播(bo)(bo)(bo)放(fang)系統進入(ru)到靜音狀態(tai)(tai),此時只有廣播(bo)(bo)(bo)信(xin)號(hao)能夠正常(chang)輸(shu)出(chu)(chu)。

當廣播(bo)線路中出(chu)現的(de)廣播(bo)信號(hao)Vi消失后,三極管Q1恢復導(dao)通(tong)→與(yu)(yu)非(fei)(fei)門U1輸出(chu)高電(dian)(dian)平(ping)(ping)→與(yu)(yu)非(fei)(fei)門U2輸出(chu)低電(dian)(dian)平(ping)(ping)→二級管D1反(fan)偏截(jie)止(zhi),但由于電(dian)(dian)容C3的(de)存在,與(yu)(yu)非(fei)(fei)門U3的(de)輸入(ru)端的(de)電(dian)(dian)平(ping)(ping)不(bu)會馬上(shang)變為低電(dian)(dian)平(ping)(ping),與(yu)(yu)非(fei)(fei)門U3后的(de)各器(qi)件(jian)的(de)狀(zhuang)態仍然保(bao)持(chi)不(bu)變,維持(chi)靜音狀(zhuang)態,同(tong)時(shi)電(dian)(dian)容C3通(tong)過與(yu)(yu)其并聯的(de)電(dian)(dian)阻(zu)R3放(fang)電(dian)(dian),當電(dian)(dian)容C3上(shang)的(de)電(dian)(dian)壓降(jiang)至與(yu)(yu)非(fei)(fei)門U3的(de)翻轉電(dian)(dian)壓時(shi))約6s→U3輸出(chu)為高電(dian)(dian)平(ping)(ping)→U4輸出(chu)為低電(dian)(dian)平(ping)(ping)→LED反(fan)偏截(jie)止(zhi),LED熄(xi)滅→Q2無(wu)正偏壓,截(jie)止(zhi)→繼電(dian)(dian)器(qi)J失電(dian)(dian)而釋放(fang)→繼電(dian)(dian)器(qi)J常(chang)閉觸點重(zhong)新接通(tong)視頻播(bo)放(fang)系統,視頻播(bo)放(fang)系統恢復正常(chang)播(bo)出(chu)。

對于本領域技(ji)術人員而(er)言,顯然本發(fa)明(ming)(ming)(ming)(ming)不限(xian)于上述示范(fan)性(xing)實(shi)施例的細(xi)節,而(er)且(qie)在不背離本發(fa)明(ming)(ming)(ming)(ming)的精神或基本特征的情(qing)況下,能夠以其他的具(ju)體形式實(shi)現本發(fa)明(ming)(ming)(ming)(ming)。因此,無論(lun)從哪一(yi)點(dian)來(lai)看,均應將(jiang)(jiang)實(shi)施例看作(zuo)是示范(fan)性(xing)的,而(er)且(qie)是非(fei)限(xian)制性(xing)的,本發(fa)明(ming)(ming)(ming)(ming)的范(fan)圍(wei)由所附(fu)權(quan)利(li)要(yao)求而(er)不是上述說明(ming)(ming)(ming)(ming)限(xian)定,因此旨(zhi)在將(jiang)(jiang)落在權(quan)利(li)要(yao)求的等同要(yao)件的含(han)義和范(fan)圍(wei)內的所有變化囊(nang)括(kuo)在本發(fa)明(ming)(ming)(ming)(ming)內。不應將(jiang)(jiang)權(quan)利(li)要(yao)求中的任何(he)附(fu)圖標記視(shi)為限(xian)制所涉及的權(quan)利(li)要(yao)求。

此外,應當(dang)理解,雖然本說明書按照實施(shi)方(fang)(fang)式加以描述,但并非每個(ge)實施(shi)方(fang)(fang)式僅包含一(yi)個(ge)獨(du)立(li)的(de)技(ji)術方(fang)(fang)案(an),說明書的(de)這種敘述方(fang)(fang)式僅僅是為清楚起見,本領域技(ji)術人員(yuan)應當(dang)將說明書作為一(yi)個(ge)整體,各(ge)實施(shi)例中的(de)技(ji)術方(fang)(fang)案(an)也(ye)可(ke)(ke)以經適當(dang)組合,形(xing)成本領域技(ji)術人員(yuan)可(ke)(ke)以理解的(de)其他(ta)實施(shi)方(fang)(fang)式。

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