TW401703B - Method and apparatus for improved horizontal and vertical overlay signals for greater concealment in modern TV sets - Google Patents
Method and apparatus for improved horizontal and vertical overlay signals for greater concealment in modern TV sets Download PDFInfo
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- TW401703B TW401703B TW87120942A TW87120942A TW401703B TW 401703 B TW401703 B TW 401703B TW 87120942 A TW87120942 A TW 87120942A TW 87120942 A TW87120942 A TW 87120942A TW 401703 B TW401703 B TW 401703B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
- H04N7/169—Systems operating in the time domain of the television signal
- H04N7/1693—Systems operating in the time domain of the television signal by displacing synchronisation signals relative to active picture signals or vice versa
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Abstract
Description
j401703 五、發明說明(1) 發明背景 本發明係關於在空中或經由有線電視環境發知— 信5之方法,尤其是關於可產生非交錯水平同:電f 加密技術以及選擇水平遮沒間隔之一雙平 β。®之一 水平分離與視頻節目圖像之垂直不穩定性。二明 典型水平及垂I覆蓋信號先前工藝之加密系、统=用 即當以陶製諸振器電應控制振i器施加於使路 現代電視機掃描系統時為然。本發明之效 機及使請極射線管顯示之監控器m其他 亦有效,諸如LCD (液晶顯示器),原形質顯 1固、、 電子裝置之顯示系統。 ,、他固匕、 按典型先前工藝之加密系統,對更現代化電視機之水平 及/或垂直同步修改技倆係無效。因其掃描系統含數位電 路,此種現代電視機不管有或沒有垂直同步脈波可鎖定— 修改電視信號。因此,一加密電視信號含先前時間位置可 變垂直同步信號,對此種現代電視機未·具效果,即使此種 先前工藝之信號對舊式電視機使用習用水平振盪器為加密 頻率將可導致良好之隱匿。 月ό述之先前工藝水平覆蓋同步修改可使用交錯型熊。過 去認為此交錯(隔行)型態按晝面對畫面可達最大隱^ ’但 發現此種父錯(隔行)型態抵傳達較少隱匿因為在兩畫面上 分配分離。因此’即顯得沖淡了分離。 就對,¼上’按照本發明,可達成更多加密隱匿因為水平 同步係以晝面頻率倍數之非交錯頻率作位置調變。此可一j401703 V. Description of the invention (1) Background of the invention The present invention relates to the method of sending a letter-letter 5 in the air or via a cable TV environment, and in particular, it can generate non-interlaced levels, such as: electrical f encryption technology and selection of horizontal masking intervals A pair of flat β. One of the horizontal separation and the vertical instability of the video program image. Erming's typical encryption system for horizontal and vertical coverage signals is the same as that used in the prior art. That is, when ceramic oscillators should be used to control oscillators applied to the scanning system of modern televisions. The effect of the present invention and the monitor m which enables the display of the polar tube are also effective, such as an LCD (Liquid Crystal Display), a display system with a solid display and an electronic device. The encryption system based on typical previous technology is invalid for the horizontal and / or vertical synchronization modification of more modern TVs. Because its scanning system contains digital circuitry, this modern TV can be locked with or without vertical sync pulses — modifying the TV signal. Therefore, an encrypted TV signal containing a previously time-variable vertical synchronization signal has no effect on this type of modern TV set, even if such a prior art signal is used on an old TV set using a conventional horizontal oscillator as the encrypted frequency will lead to good results. Hidden. The previous modification of the previous process level covers the simultaneous modification to use staggered bears. In the past, the interlaced (interlaced) pattern was considered to achieve maximum concealment in the face of the day, but it was found that this type of paternal (interlaced) pattern was less concealed because it was distributed and separated on the two images. Therefore, it appears to dilute the separation. That is to say, according to the present invention, more encryption concealment can be achieved because the horizontal synchronization system uses a non-interlaced frequency that is a multiple of the frequency of the day to adjust the position. This one
第5頁 401703 - 五、發明說明(2) 致地產生一分離型態通常係每畫面相同且較少顯現影像内 容。 應注意按某些水平同步寬度調幅法(亦即水平同步係脈 波寬度約調變3 : 1 2. 4微秒("s )至7 y s ),解碼波會發生 因電視或有線調諧器因其自動RF及/或IF增益控制(AGC)可 檢測加密之水平同步脈波寬度。因此,一窄狹之水平同步 寬度可輸出比較寬水平同步寬度之一不同AGC電壓。然後 照水平同步寬度調變調諧器之視頻增益,且因之而產生不 理想之AGC電波。 發明 本 目的 發明之典型目的及優點為: 變, 隱匿 b) 可與 權之 更現 振器 匿; c) 有線 發明 關於加密方法可產生唯一最佳非交錯水平同步調 可予解除加密’對越權之電視觀眾發生更有效之水平 位可置產可生變唯垂—直倍Λ之水平同步調變它在加密方法内係 電視觀波聯合,可予解除加密,當由越 電視觀眾規看時可發生更水平及 代化電視機%玉± 玉互隱匿尤其备在 與數位倒數電路料諸如在其掃描系,统内使用陶製諧 及 j數電路之該等電視機上含發生此增大之隱. 可提供如上述” 丨丨 + 調譜器内減少十〆 ’ 口在方法具有在電視或 摘要 战-或全無AGC電波。 401703 五、發明說明(3) 提供達成前述目的與優點之方法與裝置。 為達此目的,本發明之第一實例包括修改, 在約11微秒S)之標準水平遮沒間縞以内之水平°被’ 脈衝之一種方法與裝置。若後來之解加密器系統 加密之同步及脈衝超過標準水平遮沒間隔(亦即大於 種 11、β S ’’例如14 A s),則修改或加密之同步或脈衝 超過延長之水平間隔且因而產生較大之水平隱匿。 照本發明之第一實例,水平同步及/或脈衝封罩信號 佳係在水平遮沒間隔以内變窄約一半。按一種情況變窄 之同步及/或脈衝係恰好位在一有效視頻節目線條終端後乍 之一位置處。此可容許約4〇〇奈諾秒(ns)(若需要)之過 道’本發明即不需此過道(2〇〇 ns至500 ns亦可工作於過 道期)。在另外一位置,變窄之同步及/或脈衝係定位最靠 近以下節目視頻線條之開始。此等兩變窄之同步及脈衝定 位之最後位置上位移約6 β s之”間隙"(甚至在加大水平遮 沒間隔,且因而加大間隙之情況内有更大位移存在)。 本發明之加密方法包括以Ν*畫面頻率之速率(其中Ν為一 正整數)在兩定位(包含)間作位置調變或切換。例如,在 ,畫面頻率為59. 94赫(Hz)。在許多電視機内發現, 最大隱匿(係在N = ll處)而調變速率係約6 6 0 Hz之非交錯頻 率。按此實例,已發現有諸如6 9 0 Η z交錯頻率之畫面對晝 面水平覆蓋型態並非提供等於有6 6 0 Η ζ非交錯頻率型態之 隱匿。本發明同樣實用在其他掃描標準内包括pAL , SECAM 及在較高解析度電視系,統内使用之較高線條與畫面速率。Page 5 401703-V. Description of the invention (2) Consistently producing a separate pattern is usually the same in each picture and less visual content. It should be noted that according to some horizontal sync width amplitude modulation methods (that is, the pulse width of the horizontal sync system is adjusted by about 3: 1 2. 4 microseconds (" s) to 7 ys), the decoded wave will occur due to the TV or cable tuner. Because of its automatic RF and / or IF gain control (AGC), it can detect the encrypted horizontal synchronous pulse width. Therefore, a narrow horizontal synchronization width can output a different AGC voltage than a wider horizontal synchronization width. The video gain of the tuner is then adjusted according to the horizontal sync width, and as a result, an undesirable AGC wave is generated. The typical purpose and advantages of the invention are: change, concealment b) can be hidden with the right vibrator; c) the wired invention about the encryption method can produce the only best non-interlaced horizontal synchronization can be de-encrypted 'override' TV viewers can have more effective levels, can be set up, can be changed, and can only be changed.-Synchronous modulation of the horizontal multiple of Λ. It is a TV watching wave combination in the encryption method, which can be de-encrypted. Occurrence of more horizontal and modern TVs% Jade ± Jade mutual concealment is especially prepared with digital reciprocal circuit materials such as the scanning system, the use of ceramic harmonic and j-number circuits in these TV sets contain the occurrence of this increase. Can be provided as above "丨 丨 + Decrease in the spectrum tuner's mouthpiece method has TV or abstract warfare-or no AGC radio waves. 401703 V. Description of the invention (3) Provide the method and Device. To achieve this, a first example of the present invention includes a method and device that modifies the pulses that are 'pulsed' within a standard horizontal masking interval of about 11 microseconds (s). If later solved The synchronization and pulse of the encryption system exceeds the standard horizontal masking interval (that is, greater than the type 11, β S '', such as 14 A s), then the modified or encrypted synchronization or pulse exceeds the extended horizontal interval and thus produces a larger Horizontal concealment. According to the first example of the present invention, the horizontal synchronization and / or pulse masking signal is preferably narrowed by about half within the horizontal masking interval. The synchronization and / or pulse system narrowed according to one situation is exactly in a valid position. The video program line terminal is located at the first position. This allows an aisle of about 400 nanoseconds (ns) (if necessary). The present invention does not require this aisle (200ns to 500 ns may also be used). Working in the aisle period). In another position, the narrowed synchronization and / or pulse positioning is closest to the beginning of the following program video line. The final positions of these two narrowed synchronization and pulse positioning are shifted by about 6 β s "Gap" (even in the case of increasing the horizontal obscuration interval, and thus increasing the gap there is greater displacement). The encryption method of the present invention includes performing position adjustment or switching between two positions (including) at a rate of N * picture frequency (where N is a positive integer). For example, at, the picture frequency is 59.94 Hertz (Hz). It is found in many televisions that the maximum concealment (at N = ll) and the modulation rate are a non-interlaced frequency of about 60 Hz. According to this example, it has been found that pictures with interlaced frequencies such as 690 Η z do not provide concealment to the horizontal horizontal coverage pattern equal to 660 non-interlaced frequencies with ζ ζ. The invention is also practical in other scanning standards including pAL, SECAM and higher line and frame rates used in higher resolution television systems.
401703 五、發明說明(4) 關於含發生甚至更多隱匿之細長滾動效果(螢幕向上或 向下),660 Hz範例之同步調變修改速率為654 Hz至666 Hz。因之,根據N = 8,N = 9,N = 10 ’N = 13之下列頻率範圍, 亦可提供隱匿:分別為474 Hz至486 Hz,534 Hz至546401703 V. Description of the invention (4) Regarding the slender scroll effect (screen up or down) with even more concealment, the synchronous modulation modification rate of the 660 Hz example is 654 Hz to 666 Hz. Therefore, concealment can also be provided according to the following frequency ranges of N = 8, N = 9, N = 10'N = 13: 474 Hz to 486 Hz, 534 Hz to 546, respectively
Hz ’594 Hz 至606 Hz , 714 Hz 至726 Hz , 774 Hz 至786Hz ’594 Hz to 606 Hz, 714 Hz to 726 Hz, 774 Hz to 786
Hz ’等。可使用此等不同速率之頻率於整個畫面内位置調 變修改水平同步脈波之任何組合。例如,電視畫面之頂部 及底部三分之一均有在714 Hz處調變之修改水平同步脈波 同時畫面之中間部份即有在665 Hz處調變之修改水平同步 脈波。 因此’為提供垂直上有細長滾動效果之最佳水平隱匿, 例如將同步調變速率使等於畫面頻率加或減畫面頻率κ* 10% ’其中Κ值通常在〇與ι(含)之間。例如κ可大於1。 最佳變窄之水平同步寬度,不管定位或位置為何,每電 視線條係一樣,因此可減少或消除調諧器AGC電波。 按第二(替用)實例,將假垂直同步(V同步)脈波插入在 正常垂直同步脈波之定位以前及/或以後(例如,在NTSC, 線條1-3及線條18-20)且除掉正常垂直同步脈波(寬同步脈 波)。例如可交替地切換此等假垂直前及垂直後之同步脈 波在—選定之頻率處由一定位(在V同步之前)至任一定位 (在V同步之後),諸如晝面速率或在選定之隨機速率處。 正常此等偽垂直脈波在許多電視機内含引起影像之上下跳 動(垂直跳動),但非在係使用陶製諧振器振盪器及掃描系 統之數位倒數電路之更現代化電視機内。但如上述第一實Hz 'and so on. Any combination of horizontal sync pulses can be modified using these different rates of frequency changes throughout the frame. For example, the top and bottom thirds of the TV picture have modified horizontal sync pulses modulated at 714 Hz, while the middle part of the picture has modified horizontal sync pulses modulated at 665 Hz. Therefore, 'in order to provide the best horizontal concealment with a slender scroll effect vertically, for example, the synchronous modulation rate is made equal to the picture frequency plus or minus the picture frequency κ * 10%', where the value of K is usually between 0 and ι (inclusive). For example, κ may be greater than one. The optimal narrowed horizontal synchronization width, regardless of positioning or position, is the same for each TV line system, thus reducing or eliminating tuner AGC radio waves. According to the second (alternative) example, insert a false vertical sync (V-sync) pulse before and / or after the positioning of the normal vertical sync pulse (for example, in NTSC, lines 1-3 and lines 18-20) and Remove the normal vertical sync pulse (wide sync pulse). For example, these false vertical pre- and post-vertical sync pulses can be switched alternately from a position (before V sync) to any position (after V sync) at a selected frequency, such as the diurnal velocity or at a selected frequency. At a random rate. These pseudo-vertical pulses are normally included in many TV sets and cause the image to jump up and down (vertical bounce), but not in more modern TV sets that use digital resonator circuits of ceramic resonator oscillators and scanning systems. But as above
401703 五、發·明規明" - 例水平同步修改之同時應用在更現代化電視機内確可引起 景夕像之充分水平及/或垂直分離及/或垂直跳動。 邛當亦加上垂直跳動時有甚至更多隱匿’有效晝面頂 一辦部之小部份,包括垂直遮沒間隔(若可能),可包括 • ’曰力π之水平同步脈波以提供雙水平同步修改("雙同步") i ϊI步技術。此雙同步修改可切換入每線條第二水平同 t i以使現代電視機内之倒數電路誤算或行止不當,因 垂ίίί 2動及附隨之影像隱匿。頂部及/或底部及/或 (時門=部份,其中通常將雙同步脈波切換入 分/部份),確非如第—實例引起相等之水平 =通二:此項雙同步修改加密程序並不-定不良。 因為通常有興趣之大多數節目題材 ,170^85,, 他15至議之減少隱匿乃 ’ J電:::之其 明第二實例之最佳修改,例如在有么後果。隨後在本發 可包括為上述第一恭例夕kπ ^政息面之中間80%,亦 例之雙水平同+ = 7平同ν修改。應注意將第二實 1歹J之雙枣十冋步脈波亦應用於電視全 ^只 垂直脈波聯合時會使現代電視機之;m叙且當與假 平分離。 如像垂直跳動且亦會水 按第-貫例,其中相關於AGC電波,> 步修改時最佳是每線條有相同有效备應用刖述之雙同 標,在雙同步修改内,在頂部及/κ平脈波。為達成此目 間隔定位處小部份線條之雙同步脈民部,及/或垂直遮沒 等於其他線條之單一水平脈波。冬,九度之總合實質上係 田刀入—雙同步脈波時,401703 Fifth, the development and regulations "-For example, the application of horizontal synchronization modification in more modern TV sets can indeed cause the horizontal and / or vertical separation and / or vertical beating of the scene image.邛 There is even more concealment when the vertical beating is added. 'A small portion of the effective day-to-day office, including the vertical obscuration interval (if possible), may include the horizontal synchronization pulse of the force π to provide Dual Horizontal Synchronization Modification (" Double Synchronization ") i ϊI step technology. This dual-synchronization modification can be switched into the second level of each line to t i to make the countdown circuit in modern television miscalculate or improperly perform, because the vertical movement and the accompanying image are hidden. Top and / or bottom and / or (time gate = part, where the dual sync pulses are usually switched into minutes / parts), it is not as good as the first example-the level caused by the equal = pass two: this dual sync modification encryption The procedure is not necessarily bad. Because most of the program subjects that are usually interested, 170 ^ 85, he reduced the concealment to 15%, which is the best modification of the second example, such as the consequences. Later in this issue, it can include the middle 80% of the above-mentioned first congratulatory example, and the dual level is also modified with + = 7 and ν. It should be noted that the application of the double pulse pulse wave of the second real 1 歹 J to the whole TV ^ only when the vertical pulse wave is combined will make the modern television; m and when separated from the false plane. For example, if the vertical bounce is the same as in the first example, which is related to the AGC radio waves, the best step for modification is that each line has the same effective backup. The double-same standard described in the application is used. Within the double-synchronous modification, at the top And / κ flat pulse. In order to achieve this, a small number of lines of the double-synchronous pulses are positioned at intervals, and / or a single horizontal pulse equal to other lines is obscured vertically. In winter, the sum of the nine degrees is essentially the time when Tadao enters the double-synchronous pulse.
401703 五、發明說明(6) 因之每一個別同步脈波之寬 _ 之寬度要窄。例如在有,丨加八又早一別或後水平同步脈波 脈波。當切入雙同步脈波二,條區域可使用一 4 A s同步 平同步脈波《但顯而易見—一=電視線條可使用兩2 # s水 恰好是正常脈波之一丰=一又同步脈波之寬度並非必須 等情況。 °在M下討論圖1 E至1 G内會說明此 附圖簡述 本發明之前述及其他 詳細說明當可更明顯, 之 特點可由以下最佳實體配合附圖 其中: 圖1 A顯示典型電視線條之水平遮沒間隔週期; 圖1B說明對水平前同步脈波(pRH)本發明之一水平同步 修改為一加岔k號之部份’且包括(若需要)間隔B為典型 上在200奈諾秒(ns)與5〇〇 ns間之一通道; 圖1C說明對水平後同步脈波(pSH )本發明之一水平同步 修改為一加密信號之部份,且包括一間隔或間隙G為在PRH 與PSH間經由間隙(按時間單位測量如微秒)所產生之分離 位移; 圖1D說明本發明之雙水平同步修改用其以產生現代電視 機内之垂直跳動,尤其當與假垂直同步修改聯合時; 圖1 E說明本發明之雙水平同步修改其中已減少同步寬度 PRH’及PSH’以避免調諧器AGC電波; 圖1 F說明本發明之水平前同步修改(PRH")其脈波寬度係 約圖1E内PRH,及PSH’之寬度總和’說明PRH"為與視頻晝面 内圖1 E之修改配合使用以避免調禮器AGC電波;401703 V. Description of the invention (6) Therefore, the width of each individual synchronous pulse _ must be narrow. For example, there are eight, eight, and one early or one after the horizontal synchronization pulse. When switching to the double-synchronous pulse wave two, one 4 A s can be used to synchronize the flat synchronous pulse wave, but it is obvious—one = TV lines can use two 2 # s water is just one of the normal pulses. The width does not have to wait. ° Discussed under M. Figures 1 E to 1 G will explain this figure. The foregoing and other detailed descriptions of the present invention will be more obvious. The characteristics can be matched with the following best entities. Figure 1 A shows a typical TV The horizontal obscuration interval period of the lines; FIG. 1B illustrates the horizontal synchronization of the pre-pulse (pRH). One aspect of the present invention is to modify the horizontal synchronization to a part of a plus k number and includes (if necessary) the interval B is typically 200 One channel between nanoseconds (ns) and 500ns; Figure 1C illustrates the horizontal synchronization pulse (pSH) of the present invention is modified to a part of an encrypted signal, and includes an interval or gap G In order to separate the displacement between the PRH and PSH via a gap (measured in units of time, such as microseconds); Figure 1D illustrates the dual horizontal synchronization modification of the present invention used to produce vertical jumps in modern televisions, especially when synchronizing with false verticals When the modification is combined; Figure 1E illustrates the dual horizontal synchronization modification of the present invention in which the synchronization widths PRH 'and PSH' have been reduced to avoid the tuner AGC radio wave; Figure 1F illustrates the horizontal preamble modification of the present invention (PRH ") its pulse wave width 'The sum of the widths' within about FIG. 1E PRH, and PSH described PRH " is a modification of FIG 1 E and the inner surface of the day with the use of video to avoid radio wave modulated AGC ritual;
第10頁 401703 五、發明說明(7) 圖1G說明本發明之水平後同步修改(PSH") ’典中係如圖 1 B ’ 1 C所述與圖i F iPRtI作位置調變,且與圖1 E之修改配 合使用以避免引起調諧器AGC電波;〜 圖2 A說明本發明之水平前同步修改其中牙通過如美國專 利5, 438, 620 (參考以下)所述之電視加密方法之邊緣填滿 區且說明一情況其中增大水平遮沒間隔因而可達成較大分 離(裂)與隱匿; 圖2 B說明本發明之修改具有一增大之間隙,g E F ’因利 用移動水平前同步脈波進入正常或減少水平遮沒間隔外面 之邊緣填滿區内; 圖2C說明本發明第一實例之範例其中間隙寬度及因而發 生之分離係超過6. 1微秒,且說明在6 6 0 Hz接通與關斷非 交錯頻率速率在線條區塊内交替地接通與關斷PRH及PSH ; 圖3A按程式視頻影像,說明第一實例(見X,Y說明之圖 1 B及1 C)修改水平同步脈波之可能位置; 一圖3B说明第二實例修改水平同步脈波之可能位置,尤其 當與增加假垂直同步脈波(見X、Υ &χγ說明之圖ΐβ,ic及 1 D)使用時此等位置會發生垂直跳動; ,3 C »兒明因使用填邊區增大分離之修改水平同步脈波之 可能位置,亦說明為增強垂直跳動(見X , Y,XY及X,說明 之圖1B」、1C,1D及2A)之第二實例之特徵; 圖3D說明修改水平同步脈波之可能位置其中尤其當與假 垂直同乂脈波使用時會發生水平分離或垂直跳動,並,按 電視線條,由於使用一脈波寬度或有約相同能量之諸脈度Page 10 401703 V. Description of the invention (7) Figure 1G illustrates the horizontal post-synchronous modification of the present invention (PSH ") 'The classic system is as shown in Figure 1 B' 1 C and position adjustment with Figure i F iPRtI, and The modification of Figure 1E is used in conjunction to avoid the tuner AGC wave; ~ Figure 2A illustrates the horizontal forward synchronization of the present invention in which the teeth pass the edge of the television encryption method as described in US Patent 5,438,620 (see below) Fill the area and explain a situation where increasing the horizontal obscuration interval can achieve greater separation (cracking) and concealment; Figure 2B illustrates that the modification of the present invention has an increased gap, g EF 'because of the use of moving horizontal forward synchronization The pulse wave enters the edge or fills the area outside the horizontal obscuration interval; FIG. 2C illustrates an example of the first example of the present invention in which the gap width and the resulting separation are more than 6.1 microseconds, and the description is at 6 6 0 The Hz on and off non-interlaced frequency rates alternately turn on and off PRH and PSH in the line block; Figure 3A illustrates the first example according to the program video image (see Figures 1 and 1 C of the X and Y descriptions) Modify the possible position of the horizontal sync pulse ; Figure 3B illustrates the second example of possible positions to modify the horizontal sync pulse, especially when used with the addition of false vertical sync pulses (see Figures ΐβ, ic, and 1D illustrated by X, Υ & χγ). A vertical runout occurred; 3 C »Er Ming's use of a padding area to increase the separation of the possible positions of the modified horizontal synchronization pulse, also explained to enhance the vertical runout (see X, Y, XY and X, illustrated in Figure 1B", 1C (1D and 2A) characteristics of the second example; Figure 3D illustrates the possible modification of the horizontal synchronization pulse wave. Among them, the horizontal separation or vertical jump occurs especially when used with a false vertical synchronizing pulse wave, and according to the TV line, because Use a pulse width or pulses with about the same energy
401^03401 ^ 03
’ τυ及了’說明 五、發明說明(8) 寬度說明如何避免調諧器AGC電波,見(υ, 之圖 IE,1F,IG 及 2Α);’Τυ 和 了’ Explanation 5. Explanation of the invention (8) The width explains how to avoid tuner AGC radio waves, see (υ, IE, 1F, IG and 2Α);
圖4說明現代電視機之掃描系統包為聯 之陶製諧振器振盪器以獲得自一視頻信巧倒數電路使用 驅動)及水平驅動(H驅動)信號; 。'來之垂直驅動(V 圖5係說明前述第一實例之方塊圖,並勺 實例之形式; ^括本發明第二 圖6A為本發明之一方塊圖敘述因感測邊> 因而產生一更有效水平前同步脈波而增 '八=滿區之限度 路;及 胃加士離效果之電 圖6B係本發明之一方塊圖說明使用由線 可獲之一邊緣注滿控制信號而產生一更有致上線=變頻器 波之替用電路諸如美國專利5, 438, 620,參者7LV平前同步脈 最佳實例之說明 下說明。 如前述’圖1B至1G及2A至2C因使一電視機分 影像根據本發明藉範例說明水平遮沒間隔之不门王^視頻 修改。以上說明此等影像,連同圖3A至31) 。=步 下說明。 進—步參考以 首先’圖4係現代電視機(TV)掃描電路之—古仏 ^ ^ 万塊圖直中 將一由電視機所接收之視頻信號供輸至一同步分離。 按此例’視頻信號包含圖1 B至1 D所說明之本笋 1 y L 啊同步修 改,及/或圖1E至1G及2A至2C之替換修改。同步分離器4〇 因此可提供在水平前或後同步脈波(或位置調變^步^ 波)’以及在Η同步輸出上本發明之雙同步脈波。= η Π W mFig. 4 illustrates that the scanning system package of a modern television is a ceramic resonator oscillator to obtain signals from a video signal reciprocal circuit (driving) and horizontal driving (H driving); 'Lai's vertical drive (V Fig. 5 is a block diagram illustrating the foregoing first example and the form of the example; ^ including the second embodiment of the present invention Fig. 6A is a block diagram of the present invention describing the sensing edge > Increase the level of the pre-pulse more effectively. Eight = the limit of the full area; and the electric effect of the gastric plus effect. Figure 6B is a block diagram of the present invention illustrating the use of an edge full control signal obtained by the line. A more on-line = alternative circuit of the inverter wave such as US Patent 5, 438, 620, see the description of the best example of the 7LV flat presynchronous pulse. As described above 'Figures 1B to 1G and 2A to 2C The television sub-pictures are modified according to the present invention by way of example, and the video modification of the horizontally obscured interval is described above. These pictures are explained above, together with FIGS. 3A to 31). = Steps are explained below. For further reference, first of all, Figure 4 is the scan circuit of a modern television (TV), which is shown in the figure. A video signal received by the television is supplied to a synchronous separation. According to this example, the video signal includes the synchronous modification of the original bamboo 1 y L illustrated in FIGS. 1B to 1D, and / or the replacement modification of FIGS. 1E to 1G and 2A to 2C. The synchronous splitter 4 can therefore provide a horizontal synchronous pre- or post-synchronous pulse (or position modulation ^ step ^ wave) 'and a double-synchronous pulse of the present invention on the Ηsynchronous output. = η Π W m
401703401703
出係加至一相位檢測器4丨。因水平前及後同步脈波為一 入,一低通濾波器放大器42可將一誤差電壓加至一陶^ f器電壓控制振盪器(VCD) 43,其中-誤差電壓係指示水^ 前及後同步脈波之相位。一陶製諧振器44可供給一頻 32倍,稱水平頻率iVCD 43。VCD 43之輸出此時為一相 調變信號且經由一倒數電路45數位上係被32除盡以提供 位調變水平頻率信號H驅動之輸出。因之由電路45所供之 驅動信號係相位調變之掃描信號且由側面至側面位移程 i目瓶。 7征忒 按圖4之操作,相位檢測器41亦同時不時接收自倒數 f之水平前與水平後兩種同步信I。此可使相位檢測 器4〜出錯誤信號如此陶製諧振器v〇c 43不時供給一相應 錯誤頻7虎。此錯誤頻率信號使倒數電路4 5,及倒數電 异。此必然也使電路46在前述偽垂直同步信號出現 J 4產生一相位調變垂直驅動v驅動。因此,不時由電路 46戶f ^ 驅動信號會使掃描系統垂直方面不穩定,因之 可達成本發明所期望之隱匿。 圖5之方塊圖僅經範例說明本發明之一種裝置。本質The output is applied to a phase detector 4 丨. Because the horizontal pre- and post-synchronous pulses are one input, a low-pass filter amplifier 42 can add an error voltage to a ceramic voltage control oscillator (VCD) 43, where-the error voltage is indicative of water Phase of the post-synchronous pulse. A ceramic resonator 44 can supply 32 times a frequency, which is called horizontal frequency iVCD 43. The output of VCD 43 is now a phase modulation signal and is divided by 32 by a countdown circuit 45 digits to provide an output driven by a bit modulation horizontal frequency signal H. Therefore, the driving signal provided by the circuit 45 is a phase-modulated scanning signal and is shifted from side to side. 7 Symptom According to the operation of FIG. 4, the phase detector 41 also receives two synchronization signals I before and after the horizontal level f from time to time. This allows the phase detector 4 to output an error signal such that the ceramic resonator voc 43 supplies a corresponding error frequency from time to time. This error frequency signal makes the countdown circuit 45 and the countdown circuit different. This inevitably causes the circuit 46 to generate a phase-modulated vertical drive v drive when the aforementioned pseudo vertical synchronization signal J 4 occurs. Therefore, from time to time, the driving signal from the circuit 46 may make the scanning system unstable in the vertical direction, so that it can achieve the concealment expected by the present invention. The block diagram of FIG. 5 illustrates by way of example only one device of the present invention. Nature
上d.5之電路可產生在圖1β至1D以及圖1E至1G與2A至2C 内1 T 1波形。在圖3A或36及圖3C或3D内顯示程式視頻影 像7水平同步修改或波形之定位。 • Ϊ 圖5所示本發明之第一實例可修改視頻信號如此 視β原來水平同步與脈衝係用一組有水平前同步信 號彳§號之線條替換,後面跟著一組有水平後同步信The circuit of d.5 can generate the 1 T 1 waveforms in Figures 1β to 1D and Figures 1E to 1G and 2A to 2C. 3A or 36 and 3C or 3D display program video image 7 horizontal synchronization modification or waveform positioning. • Ϊ The first example of the present invention shown in Fig. 5 can modify the video signal so that the original horizontal synchronization and pulses of β are replaced by a set of lines with a horizontal preamble signal 彳 § followed by a set of horizontal postamble signals.
第13頁 五、發明說明(10) 號及脈衝信號之線條。 5所示之裝置不時插入發月之第二(替用)實例,在圖 之頂部及/或底部之電 晝面(包括垂直遮沒間隔) 後兩種同步與彩色脈% j ”母線條内具有水平前與水平 5亦描述替換或遮^有第二實例之一部份,圖 内插入假垂直同步信號,亦s,步馆號^之電路,其中電路 波,其中按不同電視i條“ i 21垂直後同步脈 Hz之間。 管其父替率係在9 Hz至12 參閱圖5,程式視頻係經由一 頻器/處理器62 ^區堍fi9 v引線61加入一視頻變 例。反而,變頻器視頻為本發明任一實 嗖禎镅为/ 里處 係—典型裝置可來回變換有 效視頻及/或位置調變視頻線 雙換有 :常可輸出標準同步及脈衝,雖二 5產〇生;:頻線條终止時之遮沒邊緣。見圖2Α,、ί^;後 0:將變頻器/處理器62之輸出VID i饋送至脈衝= 振盪器64其中可產生—算φ5,,古念;ώ ‘貞衷 琴64且古η 色次載波頻率信號。振盪 :6 4具有一相位調整可使彩色脈衝相位匹配至經由視頻輸 〇及一電阻器R3供至放大器76之視頻信號之相位。電路62 ,供給其輸出VID 1至一同步分離器電路63。此同步分離 裔電路63必然也供給包括綜合(c〇mp)同步,垂直同步(ν同 步),水平同步(H同步)與晝面脈波在内之諸信號至一 產生器66。 疋時產生器6 6包括線條計數器’畫覆復位脈波,一程式 規劃記憶體,複式振動器電路,及組合邏輯,其中可提供 五、發明說明(11) 以卞輸出信號: a) 在有效電視晝面中水平前同步信號(PRH) b) 在有效電視畫面中水平後同步信號(PSH) c) 垂直前同步信號(PRV) d) 垂直後同步信號(psv) e) 水平遮沒間隔信號(HB1) f) 垂直遮沒信號(V遮沒); g) 在有效電視晝面中所致動之垂直同步遮沒信號同hB j _信號, h) 在電視晝面(頂部/底部定位線條)頂部及/或底部部 份中係高頻信號。 由變頻益/處理器6 2供給箝位視頻信號v丨卩}至一 65 ’使用此開關以遮沒使在有效晝面中之水心 地。亦用開關65以消除來自變頻器/處理H又間^通 信號。因此,然後開關65之輸出係在有效全之垂々直同步 及脈衝之視頻。開關之輸出亦無垂 ^旦面内沒有同步 直遮沒間隔内有彩色脈衝之水平、v脈波但包含在垂 器66之HBI遮沒/垂直同步遮没輸=Y同步。使用定時產生 係經由-放大器75及電阻器心:控制開關65,其輸出 使用-Η覆蓋率產生器67以切換輪至放大器76。 =給至問鎖電路69之〇輸人它受定W。將產生器67之輸出 =制。當因延長分離 ;產生器66來之ΗβΙ脈波 邊緣填滿區外面之水平率脈波電路時,由Ηβί及 -__ 閃鎖電路69。讓問鎖Page 13 V. Description of the invention (10) and the lines of the pulse signal. The device shown in 5 is inserted into the second (alternative) instance of the moon from time to time. The two types of synchronization and color pulses on the top and / or bottom of the electric day (including the vertical obscuration interval). It has a horizontal front and a horizontal 5 which also describe the replacement or cover part of the second example. The figure inserts a false vertical synchronization signal, also the circuit of the step number ^, where the circuit wave, which is based on different TV i "I 21 vertical post sync pulse between Hz. Regardless of its parental rate is 9 Hz to 12. Referring to FIG. 5, the program video is added to a video variant via a frequency converter / processor 62 ^ area 堍 fi9 v lead 61. Instead, the video of the inverter is one of the practical aspects of the present invention-a typical device can convert the effective video back and forth and / or position-modulate the video cable. Double-changing has: often can output standard synchronization and pulses, although two 5 Productive;: The obscuration edge at the end of the frequency line. See Figure 2A, ί ^; after 0: feed the output VID i of the inverter / processor 62 to the pulse = oscillator 64 which can be generated-count φ5, ancient thoughts; Sub-carrier frequency signal. Oscillation: 6 4 has a phase adjustment to match the phase of the color pulses to the phase of the video signal supplied to the amplifier 76 via the video input 0 and a resistor R3. The circuit 62 supplies its output VID 1 to a sync separator circuit 63. The synchronization separation circuit 63 must also supply signals including a synthesizer (com) synchronization, vertical synchronization (ν synchronization), horizontal synchronization (H synchronization), and diurnal pulses to a generator 66. The time generator 6 6 includes a line counter 'overlay reset pulse, a program memory, a complex vibrator circuit, and combinational logic, which can provide five, a description of the invention (11) to output the signal: a) is valid Horizontal Preamble (PRH) in the daytime TV b) Horizontal Postamble (PSH) in an effective TV picture c) Vertical Preamble (PRV) d) Vertical Postamble (psv) e) Horizontal mask interval signal (HB1) f) vertical obscuration signal (V obscuration); g) the vertical synchronization obscuration signal activated in the effective television daytime is the same as hB j _ signal, h) the television daytime (top / bottom positioning line) ) High frequency signals in the top and / or bottom sections. The clamped video signal v 丨 卩} is supplied by a frequency conversion processor / processor 62 to a 65 '. This switch is used to obscure the ground in the effective day. The switch 65 is also used to eliminate the intermittent signal from the inverter / processing H. Therefore, the output of switch 65 is then in full-vertical vertical synchronization and pulsed video. The output of the switch is also not vertical. There is no synchronization in the plane. There are horizontal and v pulses with color pulses in the direct blanking interval, but HBI masking / vertical sync masking included in the vertical 66 = Y sync. The use of timing generation is via the -amplifier 75 and the resistor core: the control switch 65, the output of which uses the -Η coverage generator 67 to switch the wheel to the amplifier 76. = Input to the interlock circuit 69, and it is set to W. Output of generator 67 = control. When the ββ1 pulse wave from the generator 66 fills the horizontal rate pulse wave circuit outside the area due to prolonged separation, the ββί and -__ flash lock circuit 69. Let ask lock
第15頁 波成遍及大多數有效晝面之選、水平前及後之同步脈 401703 五、發明說明(12) 電路69之輸出改變在水平遮沒間 鎖電路69以防產生器67改變在水 j始期間之狀態。需閂 間之狀態,有時以防產生器6 7引 ^與水平後同步定時波 偽定安裝一跨接線72至一荷栽:外雙同步脈波發生。 之引線,因而使0R(或用)波閘7l 底部定位線條信號 0R波開71此時係作用為缓衝器。二=輪出通地。此意示 互補方式切換至一多工器電路。,電路69之輸出此時按 閘電路77,78及79。然後波閘79之二,電路分別包括波 平後之修改同步脈波…:^含水平前或者水 分配(亦見圖波問79之:月改同之 可產生負向(水平前及後)同步脈波為二 76倒向輸入。 々輸出4號之放大為 波::^ S i 5 ’其中使用水平前及水平後兩同步脈 可輸出一ίΪ 。f跨接線72開路時,定時產生器66 及/或底邱至一〆電阻器R1 5,此電阻在視頻畫面之頂部 在查S 始條中係在咼狀態。例如,電阻器R1 5有一信號 頂$及;^ t22至52與232至2 6 2中係高頻率。按此例,在 底&繞鉻I線條組中,常插入水平後同步脈波。在頂部及 產:L ^且内亦增加水平前同步脈波,@為回應Η覆蓋率. 於桩鎖電路69輸出信號所控制。因此,當未安裝 ^水平時,視頻晝面之頂部及底部部份有時會有水平前 浦相旦厂^兩種脈波9圖3Β即說明此情況。圖3Β說明在節目 牛盥t工之項部及7或底部部份中可插入上述之水平前同 步與水平後同步脈波。 401703 五、發明說明(13) 如前節所述之雙同步修改為古4 + 士 假垂直同步脈波聯合。為插二或^ ^ $密最佳係與前述 時產生器66之輸出可提供垂直又“直同步脈波’定 波。垂直前與垂直後兩同步脈波至少視f後同步脈 高。同時此等偽垂直脈波最佳在電視線條之—半還 分別包括邏輯波閘電路80,^系==水平遮沒間隔外面。 u上’及82之垂直多工哭φ妨 可交替地經由電阻器R5切換偽子士 夕 益電路, …76。垂直多工器電路步脈波成 = —時問鎖來自垂直率產V器6sV^ j線條1至3藉應用垂直前同步脈波即可說明假垂直同步 ”之範例。按線條18至20應用垂直後同步信號 】‘ 生器68及問鎖電路70可提供—輸出信號,它可按 書 面以10 f12 Hz速率在此兩假垂直同步脈波間交替—出現。— ,為在每一水平則及/或後之同步脈波以後恢復彩色脈 衝,將波閘79之輸出耦合至單擊是時電路83,其輸出即係 由來自波閘7 9之彳s號後錄所觸發的1, 4〆s之一脈波。單擊 8 3之輸出然後可控制開關7 3。開關7 3之輸出包含約5次載 波週期之新脈衝封罩,由一水平前及/或後同步脈通波觸 發1等新脈衝封罩。開關7 3之輸出係供輸至一任選色度通 波段渡波器7 4,其輸出然後經由電阻器R 7及放大器7 6可使 修改脈衝封罩恢復至在每一水平前及/或後同步以後之線 條。 應注意水平前同步寬度並不需要等於水平後同步寬度。Page 15 Waves that cover most of the effective day and day, synchronization pulses before and after the horizontal 401703 V. Description of the invention (12) The output of the circuit 69 changes the horizontal interlock circuit 69 to prevent the generator 67 from changing in the water. The state of the beginning period. The state between the latches is required, sometimes to prevent the generator 6 7 ^ and the horizontal post-synchronous timing wave. A jumper 72 to a load is assumed to be installed: the external double-synchronous pulse occurs. Lead, so that the 0R (or use) wave gate 7l bottom positioning line signal 0R wave open 71 at this time is used as a buffer. Two = rounds out. This means that the complementary mode is switched to a multiplexer circuit. The output of the circuit 69 now presses the gate circuits 77, 78 and 79. Then the wave gate 79 bis, the circuit includes the modified synchronization pulses after the wave level ...: ^ with horizontal front or water distribution (also see wave question 79: monthly changes can also produce negative (front and back) synchronization The pulse wave is the reverse input of two 76. 々 Output No. 4 is amplified as a wave:: ^ S i 5 'Among which, two horizontal synchronous pulses before and after the horizontal can output one f. When the jumper 72 is open, the timing generator 66 And / or bottom Qiu to a resistor R1 5, this resistor is at the top of the video screen in the check bar at the beginning of the state. For example, the resistor R1 5 has a signal top $ and; ^ t22 to 52 and 232 to 2 6 2 High frequency. According to this example, in the bottom & chrome I line group, the horizontal post-synchronous pulse is often inserted. At the top and the output: L ^ and the horizontal pre-synchronous pulse is also added, @ is Response Η coverage rate. It is controlled by the output signal of the pile lock circuit 69. Therefore, when ^ level is not installed, the top and bottom part of the video daytime may sometimes be horizontal. 3B illustrates this situation. Figure 3B illustrates that the above-mentioned levels can be inserted in the program section and the 7 or bottom section of the program. Step and horizontal post-synchronous pulse. 401703 V. Description of the invention (13) As mentioned in the previous section, the dual synchronization is modified to ancient 4 + Shijiao vertical sync pulse. Combined with two or ^ ^ The output of the generator 66 can provide vertical and "straight sync pulses" fixed waves. The vertical front and rear vertical sync pulses are at least as high as the rear sync pulse height. At the same time, these pseudo vertical pulses are best in the half of the TV line It also includes a logic baffle circuit 80, ^ series == horizontally obscures the outside of the gap. The vertical multiplexing of φ and 82 may alternately switch the pseudo-circumferential circuit via resistor R5, ... 76. Vertical The step pulse wave of the multiplexer circuit is equal to-the time lock comes from the vertical generator Vs 6sV ^ j. Lines 1 to 3 can be used to illustrate the false vertical synchronization by applying a vertical preamble pulse. Apply the vertical according to lines 18 to 20 Post-synchronization signal] 'The generator 68 and the interlock circuit 70 can provide-an output signal, which can alternate between these two false vertical synchronization pulses at a rate of 10 f12 Hz as written.-, For each level and / Or after the synchronization pulse, the color pulse will be restored, and the output of the gate 79 will be restored. The output is coupled to the click time circuit 83, and its output is a pulse of 1, 4〆s triggered by the post-record of 号 s number from the sluice 7 9. Click the output of 8 3 and then control the switch 7 3. The output of switch 7 3 contains a new pulse cover of about 5 carrier cycles, which is triggered by a horizontal front and / or post-synchronous pulse wave. The output of switch 7 3 is for output to any Select the chroma passband wave passer 7 4 and its output can then restore the modified pulse mask to the line before and / or after each level through the resistor R 7 and amplifier 7 6. Note the horizontal preamble width It does not need to be equal to the horizontal post sync width.
第17頁 401703 五、發明說明(14) ' 而且,垂直前同步波期並不需要與垂直後同步相同之波 期。圖5内之產生器67及68可為定期及/或隨機及/或假隨 機產生器。 圖6A及6B為本發明替用電路之方塊圖藉利用邊緣填滿遮 沒而增加分離或隱匿之份量。若圖5之變頻器/處理器62包 括信號加密之視頻線條移動型諸如美國專利。35〇78 ’ 5’438’620,5,579’390,5,581,30 7,5,6 08,799 及美國專 利申δ月,序號08(400,831及08/401,〇15(所有專利用參考 合併)所述,可減少水平遮沒間隔(ΗΒΙ)由u微秒至約1〇微 秒。上註專利及申請案所述之加密系統俗語上通稱為 PhaseKrypt(相位隱秘)。一減少HBI(HBIR)通常意指亦含 減少在水平前與水平後脈波間之間隙。此項減少會產生稍 微較少之有效隱匿。但若讓水平1同步脈波開始在減少】〇 β s HBI外之填邊區,則間隙就會再較大。填邊區發生在 有效電視線條之終止與開始中約2 μ s。藉由範例見圖2 Α。 藉摘要:Page 17 401703 V. Description of the invention (14) 'Moreover, the vertical preamble wave period does not need to be the same wave period as the vertical post sync. Generators 67 and 68 in FIG. 5 may be periodic and / or random and / or pseudo random generators. Figures 6A and 6B are block diagrams of alternative circuits of the present invention to increase the amount of separation or concealment by using the edges to fill the mask. If the frequency converter / processor 62 of FIG. 5 includes a signal-encrypted video line type such as a U.S. patent. 35〇78 '5'438'620, 5,579'390, 5,581,30 7,5,6 08,799 and U.S. Patent Application δ, Serial No. 08 (400,831 and 08/401, 015 (All patents are incorporated by reference) Can reduce the horizontal obscuration interval (ΗΒΙ) from u microseconds to about 10 microseconds. The encryption system described in the above-mentioned patents and applications is commonly referred to as PhaseKrypt (phase concealment). A reduction of HBI (HBIR) usually means Means to reduce the gap between the pulses before and after the level. This reduction will produce slightly less effective concealment. But if the level 1 sync pulses start to decrease] 〇β s HBI margin area, the gap It will be larger again. The padding area occurs about 2 μs in the end and start of effective television lines. For an example, see Figure 2 Α.
a) 备變頻器/處理器62並未使PhaseKrypt致能,則HBI 係約11 y s。此可容有約6 // s之間隙與相應之分離量。 b) 若使PhaseKrypt致能,則新HBI或HBIR為約1〇 。 此可容有約5 # s之間隙與相應之分離量。 c) 若使PhaseKrypt致能且讓水平前同步以觸發(線條終 止)邊緣填滿遮沒邊緣,貝ij Η B I大約在1 〇 # s與1 2 // s之 間。此可容有約5 // s至7 // s之間隔。見圖2Β,間隔 GEF。因此,將平均分離擴大回至6 ys。當然,亦可能在a) The prepared inverter / processor 62 does not enable PhaseKrypt, then the HBI is about 11 s. This can accommodate a gap of about 6 // s and the corresponding separation amount. b) If PhaseKrypt is enabled, the new HBI or HBIR is about 10%. This can accommodate a gap of about 5 # s and the corresponding separation amount. c) If PhaseKrypt is enabled and horizontal pre-synchronization is used to trigger (line termination) the edges fill the obscured edges, beij Η B I is approximately between 1 〇 # s and 1 2 // s. This can accommodate an interval of about 5 // s to 7 // s. See Figure 2B, spaced GEF. Therefore, the average separation was extended back to 6 ys. Of course,
第18頁 401703 五、發明說明(15) 波。Ϊ::始f緣填滿以更向外移動水平後同步脈 阁fU - >圖2 A祗顯不線條邊緣填滿之終止。 之龄屮ί由亮度濾光器90,可獲圖5朵自變頻器/處理器62 91 ί =信號VID1。濾光器90之輸出係供給至比較器 :邊ί =過1〇刚為亮度值之邏輯高。-問波電路9。 上中通過比較器之輸出。電路92之輪出邏輯 早擊93與94形成水平前同步脈波。單擊93係 或減少ΗΒΙ週期抑财被觸發。然後使用單觸擊 4之輸出以替代圖5之定時產生器66之水平前同步信號。 輯擴大間隙之替用電路。圖β,減少譲信號邏 ^ ^ 閘波電路96與來自圖5變頻器/處理器62之- 可使單觸擊97以提供某些雜 二不又办響如此要未填邊脈波要未HBIR脈波會觸發一水 皮。單觸98及99形成"增強I,之間隔水平前脈 ^然後使用單觸99之輸出以替代圖5定時產生器 平前同步信號。 •雖然以上說明可提供本發明最佳實例之充分而完整之揭 :,但其不同修改’替用結構與相等發明對精於此工蔽人 ,乃至為明:。例如’用一不同產生器源可獨立插入隨 或:E所述:雙水平同步脈波(在視頻畫面之頂部及,或底部 上)。、圖5雙同?脈波係關於可插入主要水平前及水平後同 步脈波之產生器67。而且,亦可加密脈波寬度,定位,彩 色脈衝,及頻率(本發明所提及)。 Π· 第19頁 401703 五、發明說明(16) 另外’若修改調諧器之AGC電路( 常數)以接受變化之水平脈波寬度 波寬度調變。按此情況,本發明第 或諸頻率)會接近晝面頻率之某些( 使用脈波寬度及脈波位置調變之 之’在本發明之範疇以内可應用其 =某些情況,可剔除某種同步脈 ^振盈器解鎖,因而增加變頻之 或可種加密頻率系統可連 系統,★為獨一無二之加密系統。 步信藏發明會修改一標準視頻信 與垂^明可包括僅水平同步脈波, 、直同步脈波聯合等之修改。 亦即增加AGC電壓時間 則可使用水平同步脈 一實例之調變頻率(及/ 聯合)倍數。 某種聯合亦屬可能。總 他型水平同步調變。 波以使電視機内陶製諧 隱匿。 同其他加密系統使用之 作為一獨 之加密 號之水平及/或垂直同 僅垂直同步脈波或水平Page 18 401703 V. Description of the invention (15) Wave. Ϊ :: The beginning f edge fills up to move horizontally outward. Synchro pulse fU-> Figure 2 A shows the end of the line edge filling. From the age filter 亮度 through the brightness filter 90, you can get 5 pictures from the inverter / processor 62 91 = signal VID1. The output of the filter 90 is supplied to the comparator: Edge = = logic high just after the brightness value of 10. -Asked wave circuit 9. Upper and middle pass the output of the comparator. The logic of the circuit 92 turns out early strikes 93 and 94 to form a horizontal pre-synchronous pulse. Clicking on the 93 series or reducing the QB1 cycle suppresses wealth is triggered. The output of the single tap 4 is then used instead of the horizontal preamble of the timing generator 66 of FIG. An alternative circuit for expanding the gap. Figure β, reducing the signal logic of the signal ^ ^ The brake circuit 96 and the inverter / processor 62 from Figure 5-can make a single touch 97 to provide some miscellaneous sounds. The HBIR pulse will trigger a water skin. One-touch 98 and 99 form the "Enhanced I" interval horizontal pre-pulse ^ and then use the output of one-touch 99 instead of the flat-sync signal of the timing generator of Fig. 5. • Although the above description can provide a full and complete disclosure of the best example of the present invention, but its different modifications' alternative structure and equivalent invention are good at this work, and it is even clear :. For example, 'with a different generator source, you can independently insert as described in E: E: Bi-level sync pulses (on the top and / or bottom of the video frame). Figure 5 is the same? The pulse wave is a generator 67 which can be inserted into the main horizontal pre- and post-horizontal synchronous pulse waves. Moreover, the pulse width, positioning, color pulse, and frequency can also be encrypted (as mentioned in the present invention). Π · Page 19 401703 V. Description of the invention (16) In addition, if the AGC circuit (constant) of the tuner is modified to accept the varying horizontal pulse width, the wave width is modulated. According to this situation, the frequency or frequencies of the present invention will be close to some of the frequency of the day (using the pulse width and pulse position modulation) can be applied within the scope of the present invention = some cases, some can be eliminated This kind of synchronization pulse is unlocked, so the frequency conversion or encryption frequency system can be connected to the system. It is a unique encryption system. The invention of Buxinzang will modify a standard video signal and include only horizontal synchronization pulses. Modification of wave, straight pulse synchronization, etc. That is, increasing the AGC voltage time can use the modulation frequency (and / combination) multiples of an instance of horizontal synchronization pulse. Some combination is also possible. General horizontal synchronization adjustment The wave is used to hide the ceramic harmonics in the TV. The horizontal and / or vertical are the same as the only encrypted number used by other encryption systems.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US6981597P | 1997-12-16 | 1997-12-16 |
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TW401703B true TW401703B (en) | 2000-08-11 |
Family
ID=22091388
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Application Number | Title | Priority Date | Filing Date |
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TW87120942A TW401703B (en) | 1997-12-16 | 1998-12-16 | Method and apparatus for improved horizontal and vertical overlay signals for greater concealment in modern TV sets |
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AR (1) | AR015202A1 (en) |
AU (1) | AU1832499A (en) |
BR (1) | BR9813624B1 (en) |
TW (1) | TW401703B (en) |
WO (1) | WO1999031884A1 (en) |
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US8872754B2 (en) | 2006-03-29 | 2014-10-28 | Nvidia Corporation | System, method, and computer program product for controlling stereo glasses shutters |
US8169467B2 (en) | 2006-03-29 | 2012-05-01 | Nvidia Corporation | System, method, and computer program product for increasing an LCD display vertical blanking interval |
US7724211B2 (en) | 2006-03-29 | 2010-05-25 | Nvidia Corporation | System, method, and computer program product for controlling stereo glasses shutters |
US9094678B1 (en) | 2010-09-29 | 2015-07-28 | Nvidia Corporation | System, method, and computer program product for inverting a polarity of each cell of a display device |
US9094676B1 (en) | 2010-09-29 | 2015-07-28 | Nvidia Corporation | System, method, and computer program product for applying a setting based on a determined phase of a frame |
US9164288B2 (en) | 2012-04-11 | 2015-10-20 | Nvidia Corporation | System, method, and computer program product for presenting stereoscopic display content for viewing with passive stereoscopic glasses |
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EP0133190A1 (en) * | 1983-08-01 | 1985-02-20 | Payview Limited | Encoding and decoding of a television signal |
US4716588A (en) * | 1985-10-29 | 1987-12-29 | Payview Limited | Addressable subscription television system having multiple scrambling modes |
US5651065A (en) * | 1995-03-09 | 1997-07-22 | General Instrument Corporation Of Delaware | Insertion of supplemental burst into video signals to thwart piracy and/or carry data |
-
1998
- 1998-12-15 AU AU18324/99A patent/AU1832499A/en not_active Abandoned
- 1998-12-15 BR BRPI9813624-0A patent/BR9813624B1/en not_active IP Right Cessation
- 1998-12-15 WO PCT/US1998/027025 patent/WO1999031884A1/en active Application Filing
- 1998-12-16 AR ARP980106425 patent/AR015202A1/en active IP Right Grant
- 1998-12-16 TW TW87120942A patent/TW401703B/en not_active IP Right Cessation
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BR9813624B1 (en) | 2014-03-11 |
BR9813624A (en) | 2000-10-17 |
AR015202A1 (en) | 2001-04-18 |
WO1999031884A1 (en) | 1999-06-24 |
AU1832499A (en) | 1999-07-05 |
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