201003288 ι τ» -τν/^«ν»ι ι & 100 :投影機裝置 120 :系統處理器 140 :點燈器 160 :光源模組 八、 本案若有化學式時，請揭示最能顯示發明特徵 的化學式： 無 / \ 九、 發明說明： 【發明所屬之技術領域】 本發明是有關於一種電子裝置，且特別是有關於一種 投影機裝置及其光源模組與驅動方法。 【先前技術】 於投影機中，一種重要的元件係為燈泡。投影機的燈 I 泡是一種耗材。當使用燈泡的時數（lamp hour)已到達需要 更換新的燈泡時，投影機需要替換以與其設計規格相符合 的原廠燈泡。然而，市面上亦有業者逕自銷售仿冒燈泡， 此種燈泡與原廠燈泡之特性係不相同，故無法與投影機之 設計規格相符合。再者，此種仿造燈泡與投影機之電路特 性無法匹配，而且，此仿冒燈泡也可能不符合與使用者安 全相關之安規。 如此，使用者於使用此種仿冒燈泡時，可能會因為燈 4 泡太熱而有燈泡爆裂的事故發生，並肇生危險。因此，如 何於設計投影機的過程中，避免使用不符合原廠設計之燈 泡，以提高使用之安全性，乃吾人所需致力之方向之一。 【發明内容】 本發明係有關於一種投影機裝置及其光源模組與驅 動方法，可確保所使用之光源模組為原廠所提供，並能提 高使用之安全性。 ( 根據本發明之第一方面，提出一種投影機裝置，包括 系統處理器、點燈器以及光源模組。光源模組包括識別資 料。系統處理器用以判斷微識別資料是否滿足預定條件， 當識別資料滿足預定條件時，系統處理器控制點燈器提供 驅動電訊號來致能光源電路。 根據本發明之第二方面，提出一種驅動方法，應用於 投影機裝置中，以驅動投影機裝置之光源模組，此方法包 括下列步驟。讀取光源模組之一識別資料。判斷識別資料 ( 是否滿足預定條件。當識別資料滿足預定條件時，致能點 燈器提供驅動電訊號，以驅動光源模組。 為讓本發明之上述内容能更明顯易懂，下文特舉一較 佳實施例，並配合所附圖式，作詳細說明如下。 【實施方式】 請參照第1圖，其繪示依照本發明之一實施例之投影 機裝置之方塊圖。投影機裝置100包括系統處理器120、 5 點燈器140以及光源模組16〇。系統處理器12〇提供開機 指令st。光源模組包括光源電路162及光源控制系統 164。光源控制系統164包括記憶體16如及微控制器 164b。記憶體i64a儲存識別資料冚。微控制器16仆回應 於開機指令st存取記憶體164a，以提供識別資料ID。 系統處理器120更判斷微控制器164b提供之識別資 料ID是否滿足一預定條件。當識別資料ID滿足預定條件 , 時，系統處理器120控制點燈器140提供驅動電訊號Vs 、 來致能光源電路丨62。光源電路162例如包括燈泡，用以 提供投影機裝置100所需之光源。 記憶體164a例如為非揮發性記憶體，如可抹除可編 程唯讀記憶體（Erasable Programmable Read Only Memory， EPROM)、或快閃記憶體（flash)。在一例子中，預定條件為 判斷識別資料ID對應至原廠預設資料之條件。原廠預設 貧料為投影機裝置1〇〇之設計者所設定，例如為代表此光 ( 原模，，且160於原廠製造過程中之序號（seriai number)。 當預定條件被滿足時表示具有此識別資料 ID之光源 才果組160為原廠所提供之模組。較佳地，當預定條件被滿 足％，系統處理器120例如更提供修改指令cm至微控制 器164b’以控制微控制器164b修改識別資料⑴之數值。 本貫施例之投影機裝置1〇〇還包括偵測電路18〇，用 以偵測光源電路162之一操作參數。偵測電路18〇例如於 系統處理器12〇之控制下，週期性地於一操作時間點偵測 光源電路162，以取得對應於此操作時間點之操作參數。 6 201003288 糸統處理器120儲存摔作夂叙 计私作參數，亚判斷此操 先前操作時麟存之操作參數是否滿足錯誤條件。於一實 施例中，系統處理器120例如將操作參數儲存於光源控制 系統164端之記憶體164a中。然而，系統處理器12〇並 不侷限於將操作參數儲存於記憶體164a中，而亦可儲存 於投影機裝置1〇〇中之其他記憶體中。舉例來說，系統處 理器120更可將操作參數儲存在系統處理器12〇存取之纪 憶體（未繪示）中。換言之，只要能藉由所儲存之操作來數 判斷是否滿足錯誤條件，皆在本發明之保護範圍内。當操 作參數滿足錯誤條件時，系統處理器丨2〇更觸發錯誤事 件，以通知使用者此時光源電路162出現異常，必要時 還可非致此此光源電路162(例如停止提供驅動電訊號201003288 ι τ» -τν/^«ν»ι ι & 100 : Projector device 120 : System processor 140 : Lighting device 160 : Light source module VIII. If there is a chemical formula in this case, please reveal the best display of the invention features. Chemical Formula: None / IX. DESCRIPTION OF THE INVENTION: TECHNICAL FIELD The present invention relates to an electronic device, and more particularly to a projector device, a light source module thereof, and a driving method. [Prior Art] In the projector, an important component is a bulb. The projector's lamp I bubble is a consumable. When the lamp hour has been reached and a new lamp needs to be replaced, the projector needs to be replaced with an original lamp that matches its design specifications. However, there are also manufacturers in the market who sell counterfeit light bulbs. The characteristics of these bulbs are different from those of the original bulbs, so they cannot match the design specifications of the projector. Furthermore, such a counterfeit bulb does not match the circuit characteristics of the projector, and the counterfeit bulb may not meet the safety regulations associated with the user. In this way, when the user uses such a counterfeit light bulb, there may be an accident in which the bulb 4 is too hot and a bulb bursts, and there is a danger. Therefore, in the process of designing the projector, it is one of the directions that we need to do to avoid the use of bulbs that do not conform to the original design to improve the safety of use. SUMMARY OF THE INVENTION The present invention relates to a projector device, a light source module thereof, and a driving method, which can ensure that the light source module used is provided by the original factory and can improve the safety of use. According to a first aspect of the present invention, a projector apparatus includes a system processor, a lighting device and a light source module. The light source module includes identification data. The system processor is configured to determine whether the micro identification data meets a predetermined condition, when identifying When the data meets the predetermined condition, the system processor controls the lighting device to provide a driving electrical signal to enable the light source circuit. According to a second aspect of the present invention, a driving method is provided for use in a projector device to drive a light source of the projector device The module comprises the following steps: reading one of the light source module identification data, judging the identification data (whether the predetermined condition is met. When the identification data satisfies the predetermined condition, the enabling lighter provides a driving electrical signal to drive the light source mode In order to make the above description of the present invention more comprehensible, a preferred embodiment will be described below in detail with reference to the accompanying drawings. FIG. A block diagram of a projector apparatus according to an embodiment of the present invention. The projector apparatus 100 includes a system processor 120, 5 a lighter 140 The light source module 16 is provided with a power-on command st. The light source module includes a light source circuit 162 and a light source control system 164. The light source control system 164 includes a memory 16 such as a microcontroller 164b. The memory i64a stores and identifies The data is stored in the memory 164a to provide the identification data ID. The system processor 120 further determines whether the identification data ID provided by the microcontroller 164b satisfies a predetermined condition. When the predetermined condition is met, the system processor 120 controls the lighter 140 to provide the driving electrical signal Vs to enable the light source circuit 62. The light source circuit 162 includes, for example, a light bulb for providing the light source required by the projector device 100. 164a is, for example, a non-volatile memory such as an Erasable Programmable Read Only Memory (EPROM) or a flash memory. In an example, the predetermined condition is a judgment identification data ID. Corresponding to the conditions of the original preset data. The original preset poor material is set by the designer of the projector device, for example, to represent this light (original mode) , and 160 is the serial number in the original manufacturing process. When the predetermined condition is satisfied, the light source group 160 having the identification data ID is the module provided by the original factory. Preferably, when the reservation is made. If the condition is satisfied, the system processor 120 further provides a modification command cm to the microcontroller 164b' to control the microcontroller 164b to modify the value of the identification data (1). The projector device 1 of the present embodiment further includes a detection circuit. 18〇, for detecting an operating parameter of the light source circuit 162. The detecting circuit 18, for example, under the control of the system processor 12, periodically detects the light source circuit 162 at an operating time point to obtain a corresponding Operating parameters at the point in time of operation. 6 201003288 The system processor 120 stores the data of the private operation, and judges whether the operation parameters of the forest operation meet the error condition in the previous operation. In one embodiment, system processor 120 stores operational parameters, for example, in memory 164a at the end of light source control system 164. However, the system processor 12 is not limited to storing operational parameters in the memory 164a, but may be stored in other memory in the projector device 1A. For example, the system processor 120 can store the operational parameters in a memory (not shown) accessed by the system processor 12. In other words, it is within the scope of the present invention to determine whether the error condition is satisfied by the number of stored operations. When the operating parameter satisfies the error condition, the system processor 触发2 triggers the error event to notify the user that the light source circuit 162 is abnormal at this time, and if necessary, the light source circuit 162 may not be caused (for example, the driving signal is stopped).
Vs ’熄滅燈泡）’來提高使用之安全性。於本實施例中， 偵測電路180係可由不同架構所實現，而與盆 之俨 條件與錯誤事件亦可具有不同的類型，兹以多個例子^下 說明之。Vs 'extinguish the bulb' to improve the safety of use. In this embodiment, the detection circuit 180 can be implemented by different architectures, and the conditions and error events of the basin can also be of different types, which are illustrated by a plurality of examples.
請參照第2A圖，其緣示為債測電路中之亮度感測器 於投影機裝置中之設置位置之一例之示意圖。於第一個例 子中’制電4 18G包括亮度感测@ LS，設置於光源電路 162之光路L上，用以感測致能之光源電路之亮度， 以取得與㈣電路162之亮度對應之操作參數。於此例 中’免度感測器LS例如可由光二極體(ph〇t〇 di〇de)所實 現走以：燈泡的照射下激發出對應於燈泡亮度之電流。系 統必理》。12G更用以將此光二極體產生之電流轉換為電流 7 值，並將其作為操作參數儲存在記憶體164a中。 一般來說，燈泡所提供之亮度於使用過程中具有遞減 的物理特性。亦即隨著燈泡的使用時間越長，燈泡的亮度 會愈來愈暗（即便在相同的驅動條件之下）。因此，若於未 更換新的燈泡的前提下，燈泡的亮度會遞減，而亮度感測 器LS所感測之電流及轉換得到之電流值亦會遞減。因此， 於此例中，錯誤條件為系統處理器120判斷目前所取得之 電流值係大於先前的時間點存儲的電流值，舉例而言可以 ( 是先前操作時間點儲存之電流值之事件。 請參照第2B圖，其繪示為偵測電路中之電壓轉換電 路之方塊圖。於第二個例子中，偵測電路180包括電壓轉 換電路VC，用以對驅動電訊號Vs進行電壓轉換，以取得 與驅動電訊號VS之訊號位準對應之操作參數。 於此例中，電壓轉換電路VC例如可由類比數位轉換 器所實現，用以轉換點燈器140產生之驅動電訊號Vs(其 例如為類比電壓）為數位電壓值，並將此數位電壓值作為操 U 作參數。一般來說，燈泡之亮度值於使用過程中具有遞減 的物理特性，而用以驅動燈泡所需使用的電壓則會愈來愈 高。因此，於此例中，錯誤條件為系統處理器120判斷目 前所取得之數位電壓值，係小於先前的時間點存儲的數位 電壓值，舉例而言可以是先前操作時間點處存之數位電壓 值之事件。 於第三個例子中，點燈器140及第二個例子中之電壓 轉換電路VC係整合於一點燈電路板中。點燈電路板還包 8 201003288 括微控制器，用以處理電壓轉換電路vc所取得之數位電 壓值。因此，經由此微控制器與系統處理器12〇之間進二 資料傳遞，亦能判斷是否滿足錯誤條件。 τ 於弟四個例子中，偵測電路包括計時器電路，用以叶 算對光源電路162致能之操作時間，以取得與光源電路162 之操作時間對應之操作參數。於此例中，系統處理器12〇 中例如具有對照表（l00k_up table)，其係儲存燈泡的操作 間與操作參數(如上述之相騎亮度的電流值、或數位 應關係。如此’系統處理器120可藉由查表得到與 相對應之電流值(相關於光源電路⑹之亮度 偵測電；㈣查表得到之電流值或數位電壓值與 否滿足或數位電壓值進糾較，來判斷是 表所得對靡ίΓ亦㈣某時間點所測得的操作參數與杳 滿足錯時間關操作參數大於—預定值時，則判iPlease refer to FIG. 2A, which is a schematic diagram showing an example of the position of the brightness sensor in the projector device in the debt measuring circuit. In the first example, the power generation 4 18G includes a brightness sensing @ LS, which is disposed on the optical path L of the light source circuit 162 for sensing the brightness of the enabling light source circuit to obtain the brightness corresponding to the brightness of the (four) circuit 162. Operating parameters. In this case, the degree-free sensor LS can be implemented, for example, by a photodiode, to illuminate a current corresponding to the brightness of the bulb under illumination of the bulb. System must be. The 12G is further used to convert the current generated by the photodiode into a current 7 value and store it in the memory 164a as an operational parameter. In general, the brightness provided by the bulb has diminished physical properties during use. That is, as the lamp is used for a longer period of time, the brightness of the lamp will become darker (even under the same driving conditions). Therefore, if the new bulb is not replaced, the brightness of the bulb will decrease, and the current sensed by the brightness sensor LS and the current value obtained by the conversion will also decrease. Therefore, in this example, the error condition is that the system processor 120 determines that the currently obtained current value is greater than the current value stored at the previous time point, for example, may be an event of the current value stored at the previous operation time point. Referring to FIG. 2B, it is a block diagram of a voltage conversion circuit in a detection circuit. In the second example, the detection circuit 180 includes a voltage conversion circuit VC for voltage conversion of the driving electrical signal Vs. The operating parameter corresponding to the signal level of the driving electrical signal VS is obtained. In this example, the voltage conversion circuit VC can be implemented, for example, by an analog digital converter, for converting the driving electrical signal Vs generated by the lighting device 140 (for example, The analog voltage is a digital voltage value, and this digital voltage value is used as a parameter. Generally speaking, the brightness value of the light bulb has declining physical characteristics during use, and the voltage required to drive the light bulb will be used. Therefore, in this example, the error condition is that the system processor 120 determines the currently obtained digital voltage value, which is less than the number stored at the previous time point. The bit voltage value may be, for example, an event of a digital voltage value stored at a previous operating time point. In the third example, the lighting device 140 and the voltage conversion circuit VC in the second example are integrated in the one-light circuit. In the board, the lighting circuit board also includes 8 201003288, including a microcontroller for processing the digital voltage value obtained by the voltage conversion circuit vc. Therefore, the data transmission between the microcontroller and the system processor 12〇 is performed. It can also be judged whether the error condition is satisfied. τ In the four examples of the brother, the detecting circuit includes a timer circuit for calculating the operation time for enabling the light source circuit 162 to obtain an operation corresponding to the operation time of the light source circuit 162. In this example, the system processor 12 has, for example, a look-up table (l00k_up table), which stores the operation interval of the light bulb and the operating parameters (such as the current value of the riding brightness, or the number of positions). The system processor 120 can obtain the corresponding current value (related to the brightness detection power of the light source circuit (6) by looking up the table; (4) satisfying the current value or the digital voltage value obtained by looking up the table or not Or the digital voltage value is compared and corrected to determine whether the operating parameter measured at a certain point in time is 表 Γ Γ 四 四 满足 满足 满足 满足 满足 满足 满足 满足 满足 满足 满足 满足 满足 满足 关
用以對鐵=例子中’光源控制系、统164更包括編碼電路， 編碼後4器：4b提供之識別資料1d進行編碼， 控制系心提供至系統處 理器120更匕括通訊介面，並經由通訊連結與系統處 源控制系统連結可為有線或無線通訊連結。光 ID，並趣由、^ "错由使用編碼電路來編碼識別資料 處理器12〇。通5fl介面+將編碼後之識別資料ID傳送至系統 資料ID進"，此，猎由系統處理器120對編碼後之識別 订解碼，來取得儲存於記憶體164a的識別資料 9 201003288 ID。 於實作中，光源控制系統例如係架構於系統晶片 (System on Chip, SOC)中。如此，當光源控制系統傳遞資 料至系統處理器時，係取得編碼後之資料（如識別資料）’ 而能增加資料的保密性，故能進一步提高系統之安全性。 此外，本發明更提出第1圖之投影機裝置1〇〇所應用 之驅動方法。請參照第3A及3B圖，其繪示依照本發明實 施例之投影機裝置所執行之驅動方法之一例之流程圖。驅 動方法包括下列步驟。於步驟S301中，系統處理器讀取 光源模組中之識別資料。在一個例子中，系統處理器係提 供開機和令至光源模組，而光源模組回應於開機指令提供 識別貝料，以供讀取。於步驟S3〇2中，判斷識別資料是 否滿足預定條件。當識別資料不滿足預定條件時，執行步 驟S31〇，當識別資料滿足預定條件時，執行步驟S303。 於步驟 S 3 〇 3 tb，, 致此點燈器提供驅動電訊號，以驅動光 源模組。接著，於牛聰 著 若是 組源模崎改識別資料=改指π ，於二 =5, I情=電路提供之操作參數。接 中’儲存择作參數於光源^ ^驟_7。於步驟咖7 接收俄，提供之操作參二於步綠S遍中， 判斷操，數與先前時 於步綠S3〇9中， 條件。當不滿足錯誤條件時參數是否滿足錯誤 時執仃步驟S307。當滿 201003288 條件時，執行步驟S310，以觸發錯誤事件。 請參照第4A及4B圖，其繪示依照本發明實施例之 投影機裝置所執行之驅動方法之另一例之流程圖。驅動方 法包括下列步驟。步驟S401〜S404係相仿於第3A圖之步 驟S301〜S304，故不於此重述。於步驟S405中，偵測電 路偵測光源電路之操作參數。接著，於步驟S406中，儲 存操作參數於光源模組。然後，於步驟S407中，計算對 光源電路致能之操作時間。接著，於步驟S408中，藉由 C 查詢對照表得到與操作時間相對應之操作參數。於步驟 S409中，判斷依照對照表中對應操作時間之操作參數和偵 測電路所測得之操作參數是否滿足錯誤條件。當不滿足錯 誤條件時，執行步驟S405。當滿足錯誤條件時，執行步驟 S410，以觸發錯誤事件。 若操作參數滿足錯誤條件，則可判斷出投影機裝置之 操作過程中出現錯誤，並觸發錯誤事件。因此，若投影機 裝置被更換燈泡，且此燈泡並不是與投影機裝置相容之原 ί 廠燈泡時，系統處理器判斷滿足此錯誤條件，以通知使用 者投影機裝置的燈泡出現異常，必要時，還可非致能投影 機裝置之光源模組（如熄滅燈泡），來提高使用之安全性。 本發明上述實施例所揭露之投影機裝置中，藉由判斷 儲存於光源模組内之識別資料是否符合預定條件，來確保 所使用之光源模組為原廠所提供。而且，還藉由判斷燈泡 之操作參數是否滿足錯誤條件，來提高使用之安全性。 綜上所述，雖然本發明已以一較佳實施例揭露如上， 11 201003288 然其並非用以限定本發明。本發明所屬技術領域中具有通 常知識者，在不脫離本發明之精神和範圍内，當可作各種 之更動與潤飾。因此，本發明之保護範圍當視後附之申請 專利範圍所界定者為準。 【圖式簡單說明】 第1圖繪示依照本發明之一實施例之投影機裝置之 方塊圖。 ( 第2A圖繪示為偵測電路中之亮度感測器於投影機裝 置中之設置位置之一例之示意圖。 第2B圖繪示為偵測電路中之電壓轉換電路之一例之 示意圖。 第3A及3B圖繪示依照本發明之實施例之應用於投 影機裝置之驅動方法之一例之流程圖。 第4A及4B圖繪示依照本發明之實施例之應用於投 影機裝置之驅動方法之另一例之流程圖。 t 【主要元件符號說明】 100 :投影機裝置 120 :系統處理器 140 :點燈器 160 :光源模組 162 :光源電路 164 :光源控制系統 S301〜S310、S401〜S410 :流程步驟 12For the iron=example, the light source control system, the system 164 further includes an encoding circuit, and the encoded data provided by the encoding device 4b: 4b is encoded, and the control system is provided to the system processor 120 to further include a communication interface, and The communication link to the source control system at the system can be wired or wireless. Light ID, and interesting, ^ " wrong by using the encoding circuit to encode the identification data processor 12〇. The 5fl interface + transmits the encoded identification data ID to the system data ID into the system, and the system processor 120 decrypts the encoded identification to obtain the identification data stored in the memory 164a 9 201003288 ID. In practice, the light source control system is, for example, architected in a System on Chip (SOC). In this way, when the light source control system transmits the data to the system processor, the encoded data (such as identification data) is obtained, and the confidentiality of the data can be increased, so that the security of the system can be further improved. Further, the present invention further proposes a driving method to which the projector device 1 of Fig. 1 is applied. Referring to Figures 3A and 3B, there is shown a flow chart of an example of a driving method performed by a projector apparatus in accordance with an embodiment of the present invention. The driving method includes the following steps. In step S301, the system processor reads the identification data in the light source module. In one example, the system processor provides a power-on and command-to-light source module, and the light source module provides identification of the material in response to the power-on command for reading. In step S3〇2, it is judged whether or not the identification data satisfies the predetermined condition. When the identification data does not satisfy the predetermined condition, step S31 is performed, and when the identification data satisfies the predetermined condition, step S303 is performed. In step S 3 〇 3 tb, the lighter is provided with a driving electrical signal to drive the light source module. Then, Yu Nongcong, if it is the group source model, the identification data = change to π, in the second = 5, I = the operating parameters provided by the circuit. Connect the 'storage selection parameter to the light source ^^_7. In step coffee 7, the Russian is provided, and the operation is provided in step S in the green S, and the operation is judged. The number and the previous time are in the step S3〇9, the condition. When the parameter satisfies the error when the error condition is not satisfied, step S307 is performed. When the condition of 201003288 is exceeded, step S310 is performed to trigger an error event. Referring to Figures 4A and 4B, there is shown a flow chart of another example of a driving method performed by a projector apparatus in accordance with an embodiment of the present invention. The driving method includes the following steps. Steps S401 to S404 are similar to steps S301 to S304 of Fig. 3A, and therefore are not described again. In step S405, the operating parameters of the circuit detection light source circuit are detected. Next, in step S406, the operating parameters are stored in the light source module. Then, in step S407, the operation time for enabling the light source circuit is calculated. Next, in step S408, the operation parameters corresponding to the operation time are obtained by the C query comparison table. In step S409, it is judged whether the operation parameter measured according to the corresponding operation time in the comparison table and the operation parameter measured by the detection circuit satisfy the error condition. When the error condition is not satisfied, step S405 is performed. When the error condition is satisfied, step S410 is performed to trigger an error event. If the operating parameters satisfy the error condition, it can be judged that an error occurred during the operation of the projector device and an error event is triggered. Therefore, if the projector device is replaced with a light bulb and the light bulb is not the original factory light bulb compatible with the projector device, the system processor determines that the error condition is satisfied to notify the user that the light bulb of the projector device is abnormal, necessary At the same time, the light source module of the projector device (such as extinguishing the light bulb) can be disabled to improve the safety of use. In the projector device disclosed in the above embodiments of the present invention, it is ensured that the light source module used is provided by the original manufacturer by judging whether the identification data stored in the light source module meets a predetermined condition. Moreover, the safety of use is also improved by judging whether the operating parameters of the bulb satisfy the error condition. In summary, although the present invention has been disclosed above in a preferred embodiment, 11 201003288 is not intended to limit the invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention. Therefore, the scope of the invention is defined by the scope of the appended claims. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a block diagram showing a projector apparatus in accordance with an embodiment of the present invention. (Fig. 2A is a schematic diagram showing an example of a position of a brightness sensor in a detection circuit in a projector device. Fig. 2B is a schematic diagram showing an example of a voltage conversion circuit in the detection circuit. 3B and FIG. 3B are flowcharts showing an example of a driving method applied to a projector device according to an embodiment of the present invention. FIGS. 4A and 4B are diagrams showing another driving method applied to a projector device according to an embodiment of the present invention. A flow chart of an example. t [Description of main component symbols] 100: Projector device 120: System processor 140: Lighter 160: Light source module 162: Light source circuit 164: Light source control systems S301 to S310, S401 to S410: Flow Step 12