Claims (1)
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六、申請專利範圍 1 · 一種最佳功率彈性抟岳丨丨祐 描…η '控制#置,應用在-光記錄系統中,用以 長:供最佳寫入光功率,嗜 先圯錄系統具有一記錄裝置及一讀 取裝—置,該記錄裝f接徂 r> ^ 1 褒置&供一先寫入訊1,使根據輸入之數位 #料在一光記錄媒縣μ犯 體上^成對應的光可讀取標記,並產生t 寫入反射訊號,該讀取贫署 ._ ^ ^ 、置提供一光璜取訊號,用以掃描光 記錄媒體上之光可讀取^西 ^ ”貢取私圮,並產生一對應之讀取反射訊 號;該最佳功率彈性控制裝置包括: 檢測電&,用卩對該寫入反射訊號及讀取反射訊號其 中之一進行檢測,以得到-第-準位、-第二準位及一第4 準位; / 一類比/數位轉換電路,與該檢測電路連接,用以對該第 一、第二及第三準位進行類比/數位轉換;及 平均及汁算電路’與該類比/數位轉換電路連接,其分 別產生一控制訊號控制該檢測電路及類比/數位轉換電路,並 且平均該數位化之第一、舍二及第三準位,以根據平均後之 第一、第二及第三準位求得一最佳功率參數。 2 ·依申請專利範圍第1項所述之最佳功率彈性控制裝置,其中該 檢測電路是一類比檢測電路,其包括一類比峰值檢測器、一 類比底值檢測器、一低通濾波器及一取樣保持電路,當諒光 記錄系統進行記錄前光功率控制(0PC)並產生該讀取反射訊 號時’該類比峰值檢測器檢測該讀取反射訊號之最高點而得 到該第一準位,該類比底值檢測器檢測該讀取反射訊號之最 低點而得到該第二準位,該低通濾波器對該讀取反射訊號進 行低通濾波取出該光讀取訊號的直流值而得到該第三準位; 本紙張尺度適用中國國家標準(CNS) A4規格(210x 297公釐) 第15頁 563122 六、申請專利範圍 A8 B8 C8 D8Sixth, the scope of patent application 1 · A kind of optimal power elasticity 丨 丨 丨 description ... η 'Control #', used in -optical recording system, long: for the best writing optical power, pre-recording system It has a recording device and a reading device. The recording device is connected to ^ 1 褒 1 褒 & for a write-in first, so that according to the input number # material in a light recording medium county μ. The corresponding optically readable mark is generated, and a t-write reflection signal is generated. The reading is provided by the bureau. _ ^ ^ Provides a light capture signal for scanning the optically readable light on the optical recording medium ^ Xi ^ "contribute private information and generate a corresponding read reflection signal; the optimal power flexibility control device includes: detection of electricity & detection of one of the written reflection signal and the read reflection signal with 卩To obtain the -first-level, -second-level and a fourth-level; / an analog / digital conversion circuit connected to the detection circuit for performing the first, second and third levels Analog / digital conversion; and the averaging and calculation circuit 'is connected to the analog / digital conversion circuit It generates a control signal to control the detection circuit and the analog / digital conversion circuit respectively, and averages the digitized first, second and third levels to obtain the first, second and third levels after averaging. An optimal power parameter is obtained. 2. The optimal power elasticity control device according to item 1 of the patent application scope, wherein the detection circuit is an analog detection circuit, which includes an analog peak detector and an analog floor detector. A low-pass filter and a sample-and-hold circuit. When the optical recording system performs optical power control (0PC) before recording and generates the read reflection signal, the analog peak detector detects the highest point of the read reflection signal. The first level is obtained, the analog bottom detector detects the lowest point of the read reflection signal to obtain the second level, and the low-pass filter performs low-pass filtering on the read reflection signal to take out the optical reading. This third level is obtained by the DC value of the signal; This paper size applies the Chinese National Standard (CNS) A4 specification (210x 297 mm) Page 15 563122 6. The scope of patent application A8 B8 C8 D8
當該光記錄系統於記錄過程中進行記錄中光功率控制(RQpC ) 並產生該寫入反射訊號時’該類比峰值檢測電路檢測該寫入 反射訊號之峰值而得到該第一準位,該取樣保持電路對該寫 I 入反射訊號中的不同訊號之不同位置進行取樣,而得到該第 二準位及第三準位,且該第二準位小於該第一準位,該第二 準位小於該第二準位。 3 ·依申請專利範圍第1項所述之最佳功率彈性控制裝置,其中該 檢測電路是一類比檢測電路,其包括一類比峰值檢測器、一 ^ 類比底值檢測器及一低通濾波器,當該光記錄系統進行記錄 前之光功率控制(OPC),並產生該讀取反射訊號時,該類比峰 值檢測器檢測該讀取反射訊號之最高點而得到該第一準位, 該類比底值檢測器檢測該讀取反射訊號之最低點而得到該第 二準位,該低通濾波器對該讀取反射訊號進行低通濾波取出 該讀取訊號的直流值而得到該第三準位。 4.依申請專利範圍第1項所述之最佳功率彈性控制裝置,其中該 檢測電路是一類比檢測電路,其包括一類比峰值檢測器及一 $ 取樣保持電路,當該光記錄系統進行記錄中之光功率控制 (ROPC),並產生該寫入反射訊號時,該峰值檢測器檢測該寫 入反射訊號之最高點而得到該第一準位,,該取樣保持電路對 該寫入反射訊號中的不同訊號之不同位置進行取樣,而得到 • 該第二準位及第三準位,且該第二準位小於該第一準位,該 第三準位小於該第二準位。 5 ·依申請專利範圍第2項所述之最佳功率彈性控制裝置,更包括 一第一多工器,其輸入端供該寫入反射訊號及讀取反射訊號 本紙張尺度適用中國國家標準(CNS) A4規格(210x 297公釐) 第16頁 563122 A8 B8 C8 D8_ 六、申請專利範圍 輸入,其輸出端則分別連接該檢測電路之類比峰值檢測器、 類比底值檢測器、低通濾波器及取樣保持電路。 6 ·依申請專利範圍第2項所述之最佳功率彈性控制裝置,更包括 一連接在該檢測電路及類比/數位轉換電路間之第二多工 器’该第一多工器之輪入端與該檢測電路之類比峰值檢測 器、類比底值檢測器、低通濾波器及取樣保持電路連接,供 該第一、第二及第三準位輸入,並根據該平均及計算電路之 一控制訊號選擇該類比峰值檢測器、類比底值檢測器、低通 濾波器及取樣保持電路其中之一,以選擇將該第一準位、;第 一準位及第二準位輪流輸出至該類比/數位轉換電路。 7 ·依申請專利範圍第2項所述之最佳功率彈性控制裝置,其中該 平均及計算電路是一數位平均及計算電路,其包括一控制電 路、一加減法器、三個暫存器、二個多工器、一平均電路及 一除法器;該控制電路用以產生不同控制訊號控制該類比峰 值檢測器、該類比底值檢測器、該取樣保持電路、該第二多 工器及該類比/數位轉換電路;該加減法器對該數位化之第 一、第二及第三準位分別進行累加;該等暫存器用以暫存該 等累加之第一、第二及第三準位;該等多工器與該等暫存器 連接,用以將該等累加之第一、第二及第三準位送至該平均 電路或除法器中進行運算;該平均電路將平均後之第一、第 二及第三準位回存至該等暫存器中,供加減法器取用以進行 加、減動作並回存,供該除法器取用並運算後產生該最佳功 率參數。 8 ·依申請專利範圍第2項所述之最佳功率彈性控制裝置,其中在 第17頁 563122 A8 D8 _ 六、申請專利範圍 光記錄系統進行記錄前光功率控制(OPC)時,該檢測電路測得 之第一、第二及第三準位分別是該讀取反射訊號之峰值、底 值及直流值’而當光記錄象統進行記錄中光功率控制(ROPC) I*時’该檢測電路測得之第一、第二及第三準位分別是該寫入 • 反射訊號之峰值、第二準位及第三準位。 9·一種最佳功率彈性控制方法,應用在一光記錄系統中,用以 &供最佳寫入光功率,該光記錄系統具有一記錄裝置及一讀 取裝置,該記錄裝置提供一光寫入訊號,使根據輸入之數位 ^ 資料在一光記錄媒體上形成對應的光可讀取標記,並產生;一 寫入反射訊號,該讀取裝置提供一光讀取訊號,用以掃描光 己錄媒體上之光可讀取標$,並產生一對應之讀取反射訊 號,該最佳功率彈性控制方法包括下列步驟: (a) 對該寫入反射訊號及讀取反射訊號其中之一進行類比檢 測,以獲得一第一準位、一第二準位及一第三準位; (b) 對該第一、第二及第三準位進行類比/數位轉換,使成為 數位化之第一、第二及第三準位; ^ (〇)對該數位化之第一、第二及第三準位進行數位平均計 算’以求得平均後之第一、第二及第三準位;及 (d)根據該平均後之第一、第二及第三準位求得一最佳功率 參數。 • 1〇·依申請專利範圍第9項所述之最佳功率彈性控制方法,在步 驟U)中,當該光記錄系統進行記錄前光功率控制(〇pc)時, 係對該讀取反射訊號進行檢測,以獲得該讀取反射訊號之第 、第一及第二準位訊號’而當該光記錄系統進行記錄中光 第18頁 563122 A8 B8 C8 _____D8_____ 六、申請專利範圍 功率控制(ROPC)時,則對該寫入反射訊號進行檢測,以獲得 該寫入反射訊號之第一、第二及第三準位訊號。 1: 1 ·依申請專利範圍第1 〇項所述之最佳功率彈性控制方法,其中 在光記錄系統進行記錄前光功率控制(〇PC)時,所測得之第 一、第二及第三準位訊號分別是該讀取反射訊號之峰值、底 值及直流值,而當光記錄系統進行記錄中光功率控制(R〇PC) 時,所測得之第一、第二及第三準位訊號分別是該寫入反射 訊號之峰值、第二準位及第三準位。 12. —種光記錄系統,包括: 一記錄裝置,提供一光寫入訊號,以根據輸入之數位資 料在一光記錄媒體上形成對應的光可讀取標記,並產生一寫 入反射訊號; 一讀取裝置,提供一光讀取訊號,用以掃描該光記錄媒 體上之光可讀取標記,並產生一對應之讀取反射訊號及;及 一最佳功率彈性控制'裝置,包括: 一檢測電路,用以對該寫入反射訊號及讀取反射訊 號其中之一進行檢測,以得到一第一準位、一第二準位 及一第三準位; 一類比/數位轉換電路,與該檢測電路連接,用以 對該第一、第二及第三準位進行類比/數位轉換;及 一平均及計算電路,與該類比/數位轉換電路連接, 其分別產生一控制訊號控制該檢測電路及類比/數位轉 換電路’並對該數位化之第一、第二及第三準位進行平 均,以根據平均後之第一準位、第二準位及第三準位求 本紙張尺度適用中國國家標準(CNS) A4規格(210x 297公釐) " '一 第19頁 563122 g!When the optical recording system performs RQpC during recording and generates the written reflection signal, the analog peak detection circuit detects the peak value of the written reflection signal to obtain the first level, the sampling The holding circuit samples the different positions of different signals in the write I reflection signal to obtain the second level and the third level, and the second level is smaller than the first level and the second level. Less than the second level. 3. The optimal power elasticity control device according to item 1 of the scope of patent application, wherein the detection circuit is an analog detection circuit, which includes an analog peak detector, an analog bottom detector, and a low-pass filter. When the optical recording system performs optical power control (OPC) before recording and generates the read reflection signal, the analog peak detector detects the highest point of the read reflection signal to obtain the first level, the analog The bottom value detector detects the lowest point of the read reflection signal to obtain the second level, and the low-pass filter performs low-pass filtering on the read reflection signal to extract the DC value of the read signal to obtain the third level. Bit. 4. The optimal power flexibility control device according to item 1 of the scope of the patent application, wherein the detection circuit is an analog detection circuit, which includes an analog peak detector and a $ sample and hold circuit. When the optical recording system performs recording In the optical power control (ROPC), and when the writing reflection signal is generated, the peak detector detects the highest point of the writing reflection signal to obtain the first level, and the sample-and-hold circuit receives the writing reflection signal. Sampling is performed at different positions of different signals in the frame to obtain the second and third levels, and the second level is smaller than the first level, and the third level is smaller than the second level. 5 · According to the optimal power elastic control device described in item 2 of the scope of the patent application, it also includes a first multiplexer whose input end is used to write the reflected signal and read the reflected signal. The paper dimensions are applicable to Chinese national standards ( CNS) A4 specification (210x 297 mm) Page 16 563122 A8 B8 C8 D8_ VI. Patent application range input, its output is connected to the analog peak detector, analog floor detector, low-pass filter of the detection circuit respectively And sample-and-hold circuits. 6. The optimal power elastic control device according to item 2 of the scope of patent application, further comprising a second multiplexer connected between the detection circuit and the analog / digital conversion circuit. The terminal is connected to the analog peak detector, the analog floor detector, the low-pass filter, and the sample-and-hold circuit of the detection circuit for the first, second, and third level inputs, and according to one of the averaging and calculation circuits The control signal selects one of the analog peak detector, the analog bottom detector, the low-pass filter, and the sample-and-hold circuit to select the first level, the first level, and the second level to be alternately output to the Analog / digital conversion circuit. 7. The optimal power elastic control device according to item 2 of the scope of the patent application, wherein the averaging and calculation circuit is a digital averaging and calculation circuit, which includes a control circuit, an addition and subtraction device, three registers, Two multiplexers, an average circuit and a divider; the control circuit is used to generate different control signals to control the analog peak detector, the analog bottom detector, the sample-and-hold circuit, the second multiplexer and the Analog / digital conversion circuit; the adder-subtractor accumulates the digitized first, second and third levels respectively; these registers are used to temporarily store the accumulated first, second and third levels The multiplexers are connected to the registers to send the accumulated first, second and third levels to the averaging circuit or divider for calculation; the averaging circuit will average the The first, second, and third levels are stored in these registers for addition and subtraction to perform addition and subtraction operations and restore, and the optimal results are obtained after the divider is taken and calculated. Power parameters. 8 · The optimal power elastic control device according to item 2 of the scope of patent application, which is on page 17 563122 A8 D8 _ VI. When the patent application optical recording system performs optical power control (OPC) before recording, the detection circuit The measured first, second, and third levels are the peak value, the bottom value, and the DC value of the read reflection signal, respectively, and when the optical recording system performs optical power control (ROPC) I * during recording, the detection The first, second, and third levels measured by the circuit are the peak, second, and third levels of the write-reflected signal, respectively. 9. An optimal power flexibility control method, applied in an optical recording system for & providing the optimal writing optical power, the optical recording system has a recording device and a reading device, and the recording device provides a light Write a signal so that a corresponding optically readable mark is formed on an optical recording medium according to the input digit ^ data, and generate; a reflective signal is written, and the reading device provides a light reading signal for scanning light The light on the recorded medium can read the mark $ and generate a corresponding read reflection signal. The optimal power flexibility control method includes the following steps: (a) one of the write reflection signal and the read reflection signal Perform analog detection to obtain a first level, a second level, and a third level; (b) perform analog / digital conversion on the first, second, and third levels to make them digital First, second, and third levels; ^ (〇) Digitally average the digitalized first, second, and third levels to obtain the averaged first, second, and third levels Digits; and (d) the first, second, and Three levels to find an optimal power parameter. • 10 · According to the optimal power elasticity control method described in item 9 of the scope of patent application, in step U), when the optical recording system performs optical power control (0pc) before recording, the reading is reflected on the reading. The signal is detected to obtain the first, first and second level signals of the read reflection signal, and when the optical recording system records the light, page 18 563122 A8 B8 C8 _____D8_____ VI. Patent Application Range Power Control (ROPC ), The writing reflection signal is detected to obtain the first, second and third level signals of the writing reflection signal. 1: 1 The optimal power elasticity control method according to Item 10 of the scope of the patent application, in which the first, second, and second measured optical power control (0PC) before the optical recording system performs recording The three-level signal is the peak value, the bottom value, and the DC value of the read reflection signal. When the optical recording system performs optical power control (ROPC) during recording, the measured first, second, and third The level signals are the peak value, the second level, and the third level of the written reflection signal, respectively. 12. An optical recording system comprising: a recording device that provides an optical writing signal to form a corresponding optically readable mark on an optical recording medium according to the input digital data, and generates a writing reflection signal; A reading device provides an optical reading signal for scanning the optically readable mark on the optical recording medium, and generates a corresponding reading reflection signal; and an optimal power flexibility control 'device, including: A detection circuit for detecting one of the write reflection signal and the read reflection signal to obtain a first level, a second level and a third level; an analog / digital conversion circuit, Connected to the detection circuit to perform analog / digital conversion on the first, second and third levels; and an averaging and calculation circuit connected to the analog / digital conversion circuit, each of which generates a control signal to control the Detection circuit and analog / digital conversion circuit 'and average the digitized first, second and third levels to find the paper based on the averaged first, second and third levels Zhang scale is applicable to China National Standard (CNS) A4 specification (210x 297 mm) " '一 page 19 563122 g!
六、申請專利範圍 得一最佳功率參數。Sixth, the scope of patent application Get an optimal power parameter.
統,其中該最佳功率 田Μ光^己錄系統進行記錄前光功率控制(〇pc)並產生該讀 ^反射訊號時,該類比峰值檢測器檢測該讀取反射訊號之最 同點而彳于到該第一準位,該底值檢測器檢測該讀取反射訊號 之最低點而得到該第二準位,該低通濾波器對該讀取反射訊 號進行攄波以取得該光讀取訊號的直流值而得到該第三麻 位’ δ ^光記錄系統進行記錄中光功率控制(R〇pC)並產生該 寫入反射訊號時,該類比峰值檢測器檢測該寫入反射訊號之 最點而得到該第一準位,該取樣保持電路對該寫入反射訊 说之不同位置進行兩次取樣,而得到該第二準位及第三準 類比檢測電路,其包括一峰值 一低逋濾波器及一取樣保持電 位’且該第二準位小於該第一準位,該第三準位小於該第二 準位。 14 ·依申請專利範圍第1 2項所述之光記錄系統,其中該最佳功率 彈性控制裝置之檢測電路為一類比檢測電路,其包括一類比 峰值檢測器、一類比底值檢測器及一低通濾波器,當該光記 錄系統進行記錄前光功率控制(0PC)並產生該讀取反射訊號 時,該類比峰值檢測器檢測該讀取反射訊號之最高點而得到 該第一準位,該類比底值檢測器檢測該讀取反射訊號之最低 點而得到該第二準位,該低通濾波器對該讀取反射訊號進行 濾波以取得該讀取訊號的直流值而得到該第三準位。 1 5 ·依申請專利範圍第1 2項所述之光記錄系統,其中該最佳功率 本紙張尺度適用中國國家標準(CNS) A4規格(210x 297公釐) 第20頁 563122 六、申請專利範圍 A8 B8 C8 D8When the optimal power field M optical recording system performs pre-recording optical power control (0pc) and generates the read reflection signal, the analog peak detector detects the most similar point of the read reflection signal. At the first level, the bottom value detector detects the lowest point of the read reflection signal to obtain the second level, and the low-pass filter oscillates the read reflection signal to obtain the optical reading. When the DC value of the signal is used to obtain the third bit δ ^ optical recording system to perform optical power control (RopC) during recording and generate the written reflection signal, the analog peak detector detects the maximum of the written reflection signal. Point to obtain the first level, the sample-and-hold circuit samples the different positions of the written reflection signal twice to obtain the second level and the third quasi-analog detection circuit, which includes a peak and a low level. A filter and a sample-and-hold potential ', the second level is smaller than the first level, and the third level is smaller than the second level. 14. The optical recording system according to item 12 of the scope of the patent application, wherein the detection circuit of the optimal power elasticity control device is an analog detection circuit, which includes an analog peak detector, an analog floor detector, and an A low-pass filter, when the optical recording system performs optical power control (0PC) before recording and generates the read reflection signal, the analog peak detector detects the highest point of the read reflection signal to obtain the first level, The analog bottom value detector detects the lowest point of the read reflection signal to obtain the second level, and the low-pass filter filters the read reflection signal to obtain the DC value of the read signal to obtain the third level. Level. 1 5 · According to the optical recording system described in Item 12 of the scope of patent application, where the optimal power of this paper size is applicable to the Chinese National Standard (CNS) A4 specification (210x 297 mm) Page 20 563122 A8 B8 C8 D8
彈性控制裝置之檢測電路為一類比檢測電路,其包括一類比 峰值檢測器及一取樣保持電路,當該光記錄系統進行記錄中 光功率控制(R0PC)並產生該寫入反射訊號時,該類比峰值檢 測器檢測該寫入反射訊號之峰值而得到該第一準位,該取樣 保持電路對該寫入反射訊號之不同位置進行兩次取樣,而得 到該第二準位及第三準位,且該第二準位小於該第一準位, 該第三準位小於該第二準位。 依申β月專利範圍第1 3項所述之光記錄系統,其中該最佳功率 彈性控制裝置更包括一第一多工器,其輸入端供該光記綠,& 統產生之寫入反射訊號及讀取反射訊號輸入,其輸出端則分 別連接該檢測電路之類比峰值檢測器、底值檢測器、低通濾 波器及取樣保持電路。 17·依申請專利範圍第13項所述之光記錄系統,其中該最佳功率 彈性控制裝置更包括一連接在該檢測電路及類比/數位轉換 電路間之第二多工器’該苐二多工器之輸入端與該類比檢測 電路之類比峰值檢測器、底值檢測器、低通濾波器及取樣保 持電路連接,供該第一、第二及第三準位輸入,並受該平均 及什算電路之一控制訊號控制,選擇該類比峰值檢測器、類 比底值檢測器、低通濾波器及取樣保持電路其中之一,以選 擇將該第一準位、第二準位或第三準位輪流輸出至該類比/數 位轉換電路。 18·依申請專利範圍第13項所述之光記錄系統,其中該最佳功率 彈性控制裝置之該平均及計算電路為一數位平均及計算電 路,其包括一控制電路、一加減法器、三個暫存器、二個多 本紙張尺度適用中國國家標準(CNS) A4規格(21〇x 297公釐) 第21頁 A8 B8 C8 D8The detection circuit of the flexible control device is an analog detection circuit, which includes an analog peak detector and a sample-and-hold circuit. When the optical recording system performs optical power control (R0PC) during recording and generates the write reflection signal, the analog The peak detector detects the peak value of the written reflection signal to obtain the first level, and the sample-and-hold circuit samples the different positions of the written reflection signal twice to obtain the second level and the third level, And the second level is smaller than the first level, and the third level is smaller than the second level. According to the optical recording system described in item 13 of the patent scope of β month, wherein the optimal power elasticity control device further includes a first multiplexer whose input terminal is for the optical recording green, & The reflection signal and the reflection signal input are input, and the output ends thereof are respectively connected to the analog peak detector, the bottom value detector, the low-pass filter and the sample-and-hold circuit of the detection circuit. 17. The optical recording system according to item 13 of the scope of the patent application, wherein the optimal power elasticity control device further includes a second multiplexer connected between the detection circuit and the analog / digital conversion circuit. The input end of the worker is connected to the analog peak detector, floor detector, low-pass filter and sample-and-hold circuit of the analog detection circuit for the first, second and third level inputs, and is subject to the average and Even one of the circuits controls the signal control, and selects one of the analog peak detector, analog bottom detector, low-pass filter, and sample-and-hold circuit to select the first level, the second level, or the third level. Levels are output in turn to this analog / digital conversion circuit. 18. The optical recording system according to item 13 of the scope of the patent application, wherein the average and calculation circuit of the optimal power elastic control device is a digital average and calculation circuit, which includes a control circuit, an adder-subtractor, three Two registers and two or more paper sizes are applicable to the Chinese National Standard (CNS) A4 specification (21 × 297 mm) Page 21 A8 B8 C8 D8
六、申請專利範圍 工益 平均電路及一除法器;該控制電路用以產生不同控 制Λ唬控制δ亥類比峰值檢測器、該類比底值檢測器、該取樣 二、夺電路β亥第一多工1及該類比/數位轉換電路;該加減法 态對該數位化之第一、第二及第三準位分別進行累加;該等 暫:态用以暫存該等累加之第-、第二及第三準位;該等多 工态與該等暫存器連接,用以將該等累加之第一、第二及第 :準位送至該平均電路或除法器中進行運算;該平均電路將 平均後之第-、第二及第三準位回存至該等暫存器中,供加 563122 =法器取用以進行加、減動作後回存,供該除法ϋ取用並:½ 算後產生該最佳功率參數。 19·依申請專利範圍第13項所述之光記錄系統,其中該最佳功率 彈性控制裝置在光記錄系統進行記錄前光功率控制(〇pc) 時,該檢測電路測得之第一、第二及第三準位分別是該讀取 反射吼號之峰值、底值及直流值,而當光記錄系統進行記錄 中光功率控制(ROPC)時,該檢測電路測得之第一、第二及第 三準位分別是該寫入反射訊號之峰值、第一準位及第二準 位。 20·—種最佳功率彈性控制裝置,應用在一光記錄系統中,用以 提供最佳寫入光功率,該光記錄系統具有一讀取裝置,該讀 取裝置在该光記錄系統進行記錄前光功率控制(〇 p C)時,提供 一光讀取訊號,用以掃描一光記錄媒體上之光可讀取標記, 並產生一對應之讀取反射訊號;該最佳功率彈性控制裝置包 括: 一檢測電路,用以對該讀取反射訊號進行檢測,以得到 本紙張尺度適用中國國家標準(CNS) A4規格(210x 297公釐) 第22頁 563122 A8 B8 C8 D8__ 六、申請專利範圍 該讀取反射訊號之一峰值、底值及直流值; 一類比/數位轉換電路,與該檢測電路連接,用以對該峰 值、底值及直流值進行類比/數位轉換;及 一平均及計算電路,與該類比/數位轉換電路連接,其分 別產生一控制訊號驅動該檢測電路及類比/數位轉換電路, 並用以平均該數位化之峰值、底值及直流值,以根據平均後 之峰值、底值及直流值求得一最佳功率參數。 2 1 ·依申請專利範圍第20項所述之最佳功率彈性控制裝置,其中 該檢測電路包括一類比峰值檢測器、一類比底值檢測器及A 低通濾波器,該類比峰值檢測器檢測該讀取反射訊號,以獲 得該讀取反射訊號之峰值;該類比底值檢測器檢測該讀取反 射訊號,以獲得該讀取反射訊號之底值;該低通濾波器對該 讀取反射訊號進行低通濾波,以獲得該讀取反射訊號之直流 值。 22·依申請專利範圍第20項所'述之最佳功率彈性控制裝置,更包 括一連接在該檢測電路及類比/數位轉換電路間之第一多工 器,該第一多工器之輸入端與該檢測電路之類比峰值檢測 器、類比底值檢測器及低通濾波器連接,供該峰值、底值及 直流值輸入,並根據該平均及計算電路之一控制訊號控制該 類比峰值檢測器、類比底值檢測器及低通濾波器其中之一, 以選擇將該峰值、底值及直流值輪流輸出至該類比/數位轉換 電路。 23·依申請專利範圍第20項所述之最佳功率彈性控制裝置,其中 該平均及計算電路是一數位平均及計算電路,其包括一控制 本紙張尺度適用中國國家標準(CNS) A4規格(210X 297公釐) 第23頁 563122 六、申請專利範圍 A8 B8 C8 D8 電路、一加減法器、三個暫存器、二第二多工器、一平均電 及除法器,該控制電路用以產生不同控制訊號控制該類 檢/則器、该類比底值檢測器、該第一多工器及該類比 二數位轉換電4 ;該加減法器對該數位化之峰值、底值及直 瓜值刀別進行累加;該等暫存器用以暫存該等累加之峰值、 底值及直流值;該等第二多工器與該等暫存器連接,用以將 荨累加之峰值、底值及直流值送至該平均電路或除法器中 進行運算;該平均電路將平均後之峰值、底值及直流值再送 入°亥等暫存器中暫存,供加減法器取用以進行加、減動作/¾灸 回存,供該除法器取用並運算後產生該最佳功率參數。 2'-種最佳功率彈性控制裝置,應用在―光記錄系統中,用以 提供最佳寫入光功率,該光記錄系統具有一記錄裝置,該記 錄裝置在該光記錄系統進行記錄中光功率控制(R〇pc)時,提 供一光寫入訊號,使根據輸入之數位資料在一光記錄媒體上 形成對應的光可讀取標記、,並產生一寫入反射訊號;該最佳 功率彈性控制裝置包括: 舞I 一檢測電路,用以對該寫入反射訊號進行檢測,以得到 该寫入反射訊號之一第一準位、一第二準位及一第三準位; 一類比/數位轉換電路,與該檢測電路連接,用以對該第 一準位、第二準位及第三準位進行類比/數位轉換;及 一平均及計算電路’與該類比/數位轉換電路連接,其分 別產生一控制訊號驅動該檢測電路及類比/數位轉換電路,並 用以平均該數位化之第一、第二及第三準位,以根據平均後 之第一、第二及第三準位求得一最佳功率參數。 本紙張尺度適用申國國家標準(CNS) A4規格(210X 297公爱) 第24頁 563122 A8 B8 C8 D8Sixth, the scope of the patent application, the industrial profit averaging circuit and a divider; the control circuit is used to generate different control δ control analog peak detectors, analog bottom detectors, the sampling two, the gain circuit β first 1 and the analog / digital conversion circuit; the addition and subtraction states accumulate the digitized first, second, and third levels respectively; the temporary: states are used to temporarily store the accumulated first-,- The second and third levels; these multi-modes are connected to these registers to send the accumulated first, second and second: levels to the averaging circuit or divider for calculation; the The averaging circuit will store the averaged-, second, and third levels into these registers for adding 563122 = the fetcher will use it to add and subtract and save it for the division and fetch And: ½ produces the optimal power parameter after calculation. 19. The optical recording system according to item 13 of the scope of the patent application, wherein when the optimum power elasticity control device performs optical power control (0pc) before recording in the optical recording system, the first, The second and third levels are the peak value, the bottom value and the DC value of the read reflection roar, respectively. When the optical recording system performs the optical power control (ROPC) during recording, the detection circuit measures the first and second values. The third and third levels are the peak value, the first level, and the second level of the written reflection signal, respectively. 20 · —A kind of optimal power elastic control device applied in an optical recording system to provide the optimal writing optical power. The optical recording system has a reading device, and the reading device performs recording in the optical recording system. In front optical power control (0 p C), an optical read signal is provided to scan a light-readable mark on an optical recording medium and generate a corresponding read reflection signal; the optimal power flexible control device Including: a detection circuit for detecting the read reflection signal to obtain the paper size applicable to the Chinese National Standard (CNS) A4 specification (210x 297 mm) Page 22 563122 A8 B8 C8 D8__ VI. Scope of patent application The reading of one of the peak value, the bottom value and the DC value of the reflected signal; an analog / digital conversion circuit connected to the detection circuit for performing analog / digital conversion on the peak value, the bottom value and the DC value; and an average and calculation A circuit connected to the analog / digital conversion circuit, which generates a control signal to drive the detection circuit and the analog / digital conversion circuit respectively, and is used to average the digitalized Value, the DC value and bottom value to the peak value of the average background value and a DC value to obtain the optimum power parameter. 2 1 · The optimal power elastic control device according to item 20 of the scope of the patent application, wherein the detection circuit includes an analog peak detector, an analog floor detector, and an A low-pass filter. The analog peak detector detects The read reflection signal to obtain the peak value of the read reflection signal; the analog floor detector detects the read reflection signal to obtain the bottom value of the read reflection signal; the low-pass filter reflects the read reflection signal The signal is low-pass filtered to obtain the DC value of the read reflected signal. 22. The optimal power flexibility control device described in item 20 of the scope of the patent application, further including a first multiplexer connected between the detection circuit and the analog / digital conversion circuit, and an input of the first multiplexer. The terminal is connected to an analog peak detector, an analog floor detector and a low-pass filter of the detection circuit for the peak, floor and DC value input, and controls the analog peak detection according to a control signal of the averaging and calculation circuit. One of the detector, the analog base value detector, and the low-pass filter, so as to select to output the peak value, the base value, and the DC value to the analog / digital conversion circuit in turn. 23. The optimal power elastic control device according to item 20 of the scope of the patent application, wherein the averaging and calculation circuit is a digital averaging and calculation circuit, which includes a control of the paper size applicable to the Chinese National Standard (CNS) A4 specification ( 210X 297 mm) Page 23 563122 6. Application scope of patent A8 B8 C8 D8 circuit, one adder-subtractor, three registers, two second multiplexers, one average power and divider, the control circuit is used to Generate different control signals to control the detector, the analog floor detector, the first multiplexer, and the analog two-digit conversion circuit4; the addition and subtraction device to the digitized peak, floor and direct value Value registers to accumulate; these registers are used to temporarily store the accumulated peak, bottom and DC values; the second multiplexer is connected to these registers to use the accumulated peak and bottom The value and DC value are sent to the averaging circuit or divider for calculation; the averaging circuit sends the averaged peak value, bottom value and DC value to temporary registers, such as ° H, for temporary storage, for addition and subtraction to take Addition and Subtraction / ¾ Moxibustion Recovery For access to the divider and generating the optimum power parameter calculation. 2'-A kind of optimal power elastic control device, which is used in ―optical recording system to provide the optimal writing optical power. The optical recording system has a recording device, and the recording device performs optical recording in the optical recording system. During power control (Ropc), an optical write signal is provided, so that a corresponding optically readable mark is formed on an optical recording medium according to the input digital data, and a write reflection signal is generated; the optimal power The elastic control device includes: a detection circuit for detecting the written reflection signal to obtain a first level, a second level, and a third level of the written reflection signal; an analogy The digital / digital conversion circuit is connected to the detection circuit for performing analog / digital conversion on the first level, the second level and the third level; and an average and calculation circuit is connected to the analog / digital conversion circuit. , Which respectively generates a control signal to drive the detection circuit and the analog / digital conversion circuit, and is used to average the digitized first, second, and third levels, so as to be based on the averaged first, second, and third levels Bit obtain an optimum power parameter. This paper size applies to the Shenyang National Standard (CNS) A4 specification (210X 297 public love) Page 24 563122 A8 B8 C8 D8
/、、申清專利範圍 25·依申請專利範圍第24項所述之最佳功率彈性控制裝置,其中 該檢測電路包括一類比峰值檢測器及一取樣保持電路,該類 比峰值檢測器檢測該寫入反射訊號,以獲得該第一準位;該 取樣保持電路對該寫入反射訊號中的不同訊號之不同位置進 行取樣,以獲得該第二準位及第三準位。 26·依申請專利範圍第24項所述之最佳功率彈性控制裝置,更包 括一連接在該檢測電路及類比/數位轉換電路間之第一多工 器,孩第一多工器之輸入端與該檢測電路之類比峰值檢測器 及取樣保持電路連接,供該第一、第二及第三準位輸入,^ 根據該平均及計算電路之一控制訊號控制該類比峰值檢測器 及取樣保持電路其中之一,以選擇將該第一、第二及第三準 位輪流輸出至該類比/數位轉換電路。 27·依申請專利範圍第24項所述之最佳功率彈性控制裝置,其中 該平均及計算電路是一數位平均及計算電路,其包括一控制 電路、一加減法器、三個暫存器、二第二多工器、一平均電 路及一除法器,該控制電路用以產生不同控制訊號控制該類 比峰值檢測器、該取樣保持電路、該第一多工器及該類比/數 位轉換電路;該加減法器對該數位化之峰值、底值及直流值 分別進行累加;該等暫存器用以暫存該等,累加之峰值、底值 及直流值;該等第二多工器與該等暫存器連接,用以將該等 累加之峰值、底值及直流值送至該平均電路或除法器中進行 平均,该平均電路將平均後之峰值、底值及直流值回存至該 荨暫存器中’供加減法器取用以進行加、減動作後回存,供 該除法器取用運算後產生該最佳功率參數。 本紙張尺度適用中國國家標準(CNS) A4規格(21〇x 297公爱) 第25頁/ 、 Declaring patent scope 25. The optimal power elasticity control device according to item 24 of the patent application scope, wherein the detection circuit includes an analog peak detector and a sample-and-hold circuit, and the analog peak detector detects the write The reflected signal is input to obtain the first level; the sample-and-hold circuit samples different positions of different signals written in the reflected signal to obtain the second level and the third level. 26. According to the optimal power elastic control device described in item 24 of the scope of the patent application, it further includes a first multiplexer connected between the detection circuit and the analog / digital conversion circuit, and the input terminal of the first multiplexer. It is connected with the analog peak detector and the sample-and-hold circuit of the detection circuit for the first, second and third level inputs, and controls the analog peak detector and the sample-and-hold circuit according to a control signal of one of the averaging and calculation circuits. One of them selects to output the first, second and third levels to the analog / digital conversion circuit in turn. 27. The optimal power elasticity control device according to item 24 of the scope of the patent application, wherein the averaging and calculation circuit is a digital averaging and calculation circuit, which includes a control circuit, an adder-subtractor, three registers, Two second multiplexers, an averaging circuit and a divider, the control circuit is used to generate different control signals to control the analog peak detector, the sample and hold circuit, the first multiplexer and the analog / digital conversion circuit; The adder-subtractor accumulates the digitized peak value, bottom value, and DC value separately; the registers are used to temporarily store the accumulated peak value, bottom value, and DC value; the second multiplexer and the And other registers are connected to send the accumulated peak value, bottom value and DC value to the averaging circuit or divider for averaging. The averaging circuit stores the averaged peak value, bottom value and DC value to the averaging circuit. In the net register, 'addition and subtraction devices are used for adding and subtracting, and then they are stored back, and the optimal power parameter is generated after the operation of the division device. This paper size applies to China National Standard (CNS) A4 (21〇x 297 public love) Page 25