TW202414927A - Laser emitter and method of operating the same - Google Patents
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Abstract
本發明揭露一種雷射發射器及其操作方法。所述雷射發射器可以包括：雷射信號接收單元，被配置為接收由基於雷射的速度監測器發射的監測雷射信號；雷射信號發送單元，被配置為針對接收到的監控雷射信號發送干擾雷射信號；控制單元，用於在檢測到監測雷射信號時測量接收到的監測雷射信號的信號間隔，利用測量的信號間隔計算干擾雷射信號的信息，並根據計算的信息生成干擾雷射信號。The present invention discloses a laser transmitter and an operation method thereof. The laser transmitter may include: a laser signal receiving unit configured to receive a monitoring laser signal emitted by a laser-based speed monitor; a laser signal transmitting unit configured to transmit an interference laser signal in response to the received monitoring laser signal; and a control unit configured to measure a signal interval of the received monitoring laser signal when the monitoring laser signal is detected, calculate information of the interference laser signal using the measured signal interval, and generate the interference laser signal according to the calculated information.
Description
本發明涉及一種雷射發射器及其操作方法。The present invention relates to a laser emitter and an operating method thereof.
按，一般車輛目前使用各種類型的車速表或安全警報裝置來防止超速駕駛，並且使用不同的微波或雷射信號來識別各種危險的路況。例如，用於測量車輛速度以防止超速的不同類型之測速槍，可能包括使用 X 波段、Ku 波段、K 波段、Ka 波段、雷射等類型。此外，提供路況信息可傳輸諸如：平交道、施工區域、應急車輛等信息，安全預警系統可傳輸霧區、施工區、校區、減速區等多種信息，並以編碼形式呈現。At present, general vehicles use various types of speedometers or safety warning devices to prevent speeding, and use different microwave or laser signals to identify various dangerous road conditions. For example, different types of speed guns used to measure vehicle speed to prevent speeding may include the use of X-band, Ku-band, K-band, Ka-band, laser, etc. In addition, the provision of road condition information can transmit information such as: level crossings, construction areas, emergency vehicles, etc. The safety warning system can transmit a variety of information such as fog areas, construction areas, school areas, speed reduction areas, etc., and present them in coded form.
根據相關技術，用於導航系統、GPS系統等的測速檢測方法，只能在預先的位置輸入座標，當車輛行經該座標時，向駕駛人提供信息，惟此技術不能用於檢測微波或雷射類型的移動式測速照相器材。According to relevant technology, the speed detection method used in navigation systems, GPS systems, etc. can only input coordinates at a predetermined location and provide information to the driver when the vehicle passes through the coordinates. However, this technology cannot be used to detect microwave or laser type mobile speed cameras.
因此，已知一種雷達探測器，是探測測速槍發射的雷射或超高頻波，以測量速度並通過語音、文字或信號音等方式通知駕駛人的系統。使用微波或雷射的雷達探測器，已在某些國家開發並用於車輛的安全駕駛功能。Therefore, a radar detector is known that is a system that detects laser or ultra-high frequency waves emitted by a speed gun to measure the speed and inform the driver by voice, text or signal tone, etc. Radar detectors using microwaves or lasers have been developed and used for safe driving functions of vehicles in some countries.
本發明之目的是提供一種雷射發射器和操作該雷射發射器的方法，其用於測量移動物體的速度，以及監視器向移動物體發射的監測雷射信號，並發射干擾雷射信號針對檢測到的監控雷射信號。The object of the present invention is to provide a laser transmitter and a method of operating the laser transmitter, which are used to measure the speed of a moving object, and a monitoring laser signal emitted by a monitor to the moving object, and emit an interference laser signal for the detected monitoring laser signal.
根據本發明實施例的雷射發射器可以包括：雷射信號接收單元，用於接收基於雷射的速度監測器發射的監測雷射信號；雷射信號發送單元，被配置為針對接收到的監控雷射信號發送干擾雷射信號；控制單元，用於在檢測到監測雷射信號時測量接收到的監測雷射信號的信號間隔，利用測量的信號間隔計算干擾雷射信號的信息，並根據計算的信息生成干擾雷射信號。According to an embodiment of the present invention, the laser transmitter may include: a laser signal receiving unit, used to receive a monitoring laser signal emitted by a laser-based speed monitor; a laser signal transmitting unit, configured to transmit an interference laser signal in response to the received monitoring laser signal; and a control unit, used to measure the signal interval of the received monitoring laser signal when the monitoring laser signal is detected, calculate the information of the interference laser signal using the measured signal interval, and generate the interference laser signal according to the calculated information.
前述控制單元可以通過接收預設的n個監控雷射信號依次測量信號間隔（其中n為自然數），並可以計算干擾雷射器的定時設置時間、信號間隔和發射時間信號通過使用測量的信號間隔。The aforementioned control unit can measure the signal intervals in sequence by receiving preset n monitoring laser signals (where n is a natural number), and can calculate the timing setup time, signal interval and emission time signal of the interference laser by using the measured signal intervals.
定時設定時間可以確定為測量的信號間隔中最短的信號間隔。干擾雷射信號的信號間隔可以確定為測量信號間隔的公約數。干擾雷射信號的傳輸時間可以通過將測量的信號間隔的平均值乘以預設數量的監測雷射信號來計算。The timing setting time can be determined as the shortest signal interval among the measured signal intervals. The signal interval of the interference laser signal can be determined as a common divisor of the measured signal intervals. The transmission time of the interference laser signal can be calculated by multiplying the average value of the measured signal intervals by a preset number of monitoring laser signals.
控制單元通過接收n個監測雷射信號依次測量信號間隔後，當定時設置時間的周期已結束時，可以在計算的間隔內發射干擾雷射信號，持續計算的發射時間。從接收到第n個監控雷射信號的時間點經過。After the control unit receives n monitoring laser signals and measures the signal interval in sequence, when the period of the timing setting time has ended, it can transmit the interference laser signal within the calculated interval and continue to calculate the emission time from the time point when the nth monitoring laser signal is received.
如果在干擾雷射信號發送完成後接收到監控雷射信號，則控制單元可以從接收到監控雷射信號的時間點開始以定時設置時間設置定時重複發送干擾雷射信號。If the monitoring laser signal is received after the interfering laser signal is sent, the control unit may repeatedly send the interfering laser signal at the timing set time starting from the time point when the monitoring laser signal is received.
本發明的另一方面提供了一種用於操作雷射發射器的方法。Another aspect of the present invention provides a method for operating a laser emitter.
根據本發明實施例的操作雷射發射器的方法可以包括：接收由基於雷射的速度監測器發射的監測雷射信號；測量接收到的監測雷射信號的信號間隔；利用測量的信號間隔計算要傳輸的干擾雷射信號的信息；根據計算出的信息產生干擾雷射信號並發射干擾雷射信號。A method of operating a laser transmitter according to an embodiment of the present invention may include: receiving a monitoring laser signal emitted by a laser-based velocity monitor; measuring a signal interval of the received monitoring laser signal; calculating information of an interference laser signal to be transmitted using the measured signal interval; generating an interference laser signal based on the calculated information and transmitting the interference laser signal.
一種雷射發射器及其操作方法，可以檢測由用於測量運動物體速度的速度監測器向運動物體發射的監測雷射信號，並且可以針對檢測到的監測雷射信號發射干擾雷射信號。A laser transmitter and an operating method thereof can detect a monitoring laser signal emitted to a moving object by a speed monitor for measuring the speed of the moving object, and can emit an interference laser signal in response to the detected monitoring laser signal.
本發明的其他方面和優點將部分地在以下描述中闡述，並且部分將從描述中顯而易見，或者可以通過實施本發明而獲知。Other aspects and advantages of the present invention will be set forth in part in the description which follows and in part will be obvious from the description, or may be learned by practice of the present invention.
有關本發明所述及之技術內容、特點與功效，在以下配合參考圖式之較佳實施例詳細說明當中，將可清楚的呈現。另外，在本發明說明書中，其所附圖式係以示意方式來解釋本案之基本步驟及必要構造，因此在該圖式中僅顯示與本發明有關之元件，說明書中的單元、模塊等術語是指處理至少一個功能或動作的單元組件，且所顯示之形狀、尺寸、比例，或是相關之數目等，係為一種選擇性之設計；閤先述明；下面結合附圖對本發明的各種實施方式進行更詳細的描述。The technical content, features and effects of the present invention will be clearly presented in the following detailed description of the preferred embodiments with reference to the drawings. In addition, in the specification of the present invention, the attached drawings are used to explain the basic steps and necessary structures of the present invention in a schematic manner, so only the components related to the present invention are shown in the drawings. The terms such as unit and module in the specification refer to unit components that process at least one function or action, and the displayed shape, size, ratio, or related number are a selective design; I will first explain; the various embodiments of the present invention will be described in more detail below in conjunction with the attached drawings.
請參見圖1所示，一種雷射發射器，根據本發明實施例的雷射發射器10可以包括雷射信號接收單元11、雷射信號發射單元12和控制單元13。Please refer to FIG. 1 , which shows a laser transmitter. According to an embodiment of the present invention, the laser transmitter 10 may include a laser signal receiving unit 11, a laser signal transmitting unit 12 and a control unit 13.
該雷射信號接收單元11可以接收雷射測速儀20發射的監測雷射信號。雷射測速儀20例如可以是測速槍，使用雷射來測量運動物體的速度。The laser signal receiving unit 11 can receive the monitoring laser signal emitted by the laser speed meter 20. The laser speed meter 20 can be, for example, a speed gun that uses laser to measure the speed of a moving object.
該雷射信號發射單元12可以針對接收到的監測雷射信號發射干擾雷射信號。The laser signal transmitting unit 12 can transmit an interference laser signal in response to the received monitoring laser signal.
該控制單元13可以控制雷射發射器10的整體操作。例如，該控制單元13可以由存儲用於執行本發明實施例的操作雷射發射器的方法之程序存儲器，以及根據存儲在存儲器中的程序操作之微處理器的組成單元。The control unit 13 can control the overall operation of the laser emitter 10. For example, the control unit 13 can be composed of a program memory storing a program for executing the method of operating the laser emitter according to the embodiment of the present invention, and a microprocessor operating according to the program stored in the memory.
具體地，如果檢測到通過雷射信號接收單元11接收到監控雷射信號，則控制單元13可以分析接收到的監控雷射信號的模式，根據監控雷射信號生成干擾雷射信號。Specifically, if it is detected that a monitoring laser signal is received through the laser signal receiving unit 11, the control unit 13 can analyze the pattern of the received monitoring laser signal and generate an interference laser signal according to the monitoring laser signal.
請參閱圖1描述雷射發射器10之控制單元13用於執行操作雷射發射器的方法Please refer to FIG. 1 to describe the control unit 13 of the laser emitter 10 for executing the method of operating the laser emitter.
在操作S210中，控制單元13可以檢測由基於雷射測速儀20發送的監測雷射信號，並測量接收到的監測雷射信號之間的信號間隔。In operation S210, the control unit 13 may detect the monitoring laser signal transmitted by the laser-based tachometer 20 and measure a signal interval between the received monitoring laser signals.
請參照圖3，該控制單元13可以通過接收預設的n個監控雷射信號來順序測量信號間隔(其中n是自然數)。3 , the control unit 13 can sequentially measure the signal interval by receiving a preset n monitoring laser signals (where n is a natural number).
該控制單元13在檢測到接收到第一雷射監測信號後，可以測量第一雷射監測信號與第二雷射監測信號的信號間隔Δt1，以及，可以測量第二雷射監測信號與第三雷射的信號間隔Δt2，以及，第三雷射監測信號和第四雷射監測信號之間的信號間隔Δt3………，以及第(n-1)個雷射監測信號與第n個雷射監測信號之間的信號間隔Δtn-1。After detecting that the first laser monitoring signal has been received, the control unit 13 can measure the signal interval Δt1 between the first laser monitoring signal and the second laser monitoring signal, and can measure the signal interval Δt2 between the second laser monitoring signal and the third laser, and the signal interval Δt3 between the third laser monitoring signal and the fourth laser monitoring signal... and the signal interval Δtn-1 between the (n-1)th laser monitoring signal and the nth laser monitoring signal.
在操作S220中，該控制單元13可以通過使用監測雷射信號的測量信號間隔來計算要發送的干擾雷射信號的信息。In operation S220, the control unit 13 may calculate information of the interference laser signal to be transmitted by using the measured signal interval of the monitoring laser signal.
為了干擾接收到的監控雷射信號，可能必須在接收到監控雷射信號之前，立即發送干擾雷射信號信號。因此，根據本發明實施例的控制單元13，為了在即將接收到監測雷射信號之前發射干擾雷射信號，可以在監測雷射的接收時間之前以盡可能短的間隔發射干擾雷射信號。測量信號間隔後首先接收雷射信號。在一個示例中，干擾雷射信號的信號間隔可以根據雷射信號發送單元12中包括的雷射二極管的硬件性能進行修改，並且可以設置為可以由硬件實現的最短的信號間隔。In order to interfere with the received monitoring laser signal, it may be necessary to send the interference laser signal immediately before the monitoring laser signal is received. Therefore, according to the control unit 13 of the embodiment of the present invention, in order to send the interference laser signal before the monitoring laser signal is about to be received, the interference laser signal can be sent at the shortest possible interval before the reception time of the monitoring laser. The laser signal is first received after measuring the signal interval. In one example, the signal interval of the interference laser signal can be modified according to the hardware performance of the laser diode included in the laser signal sending unit 12, and can be set to the shortest signal interval that can be achieved by hardware.
請參照圖3，該控制單元13可以使用測量的監測雷射信號的信號間隔來計算定時設置時間ts、干擾雷射信號之間的間隔tinterval和干擾雷射信號的傳輸時間tTx。3 , the control unit 13 may use the measured signal interval of the monitoring laser signal to calculate the timing setup time ts, the interval tinterval between the interference laser signals, and the transmission time tTx of the interference laser signal.
在一個示例中，定時設置時間ts可以確定為測量的監控雷射信號的信號間隔中最短的信號間隔。此外，干擾雷射信號之間的間隔tinterval可以確定為測量的監測雷射信號的信號間隔的最大公約數。此外，干擾雷射信號的傳輸時間tTx可以通過將測量的監控雷射信號的信號間隔的平均值乘以要被干擾的預設數量的監控雷射信號來計算。In one example, the timing setup time ts can be determined as the shortest signal interval among the measured signal intervals of the monitoring laser signals. In addition, the interval tinterval between the interference laser signals can be determined as the greatest common divisor of the measured signal intervals of the monitoring laser signals. In addition, the transmission time tTx of the interference laser signal can be calculated by multiplying the average value of the measured signal intervals of the monitoring laser signals by the preset number of monitoring laser signals to be interfered with.
通常，可以通過針對至少三個監控雷射信號發射干擾雷射信號來實現干擾。這樣，用於計算干擾雷射信號的傳輸時間tTx的監控雷射信號的數量可以設置為至少3個。但是，被干擾的監控雷射信號的數量可以增加到任何支持的水平。Typically, interference can be achieved by transmitting an interference laser signal against at least three monitoring laser signals. Thus, the number of monitoring laser signals used to calculate the transmission time tTx of the interference laser signal can be set to at least 3. However, the number of monitoring laser signals to be interfered with can be increased to any supported level.
在操作S230中，該控制單元13可以根據計算出的干擾雷射信號信息產生干擾雷射信號，並通過雷射信號發送單元12到雷射測速儀20。In operation S230, the control unit 13 may generate an interference laser signal according to the calculated interference laser signal information, and transmit the interference laser signal to the laser speed meter 20 via the laser signal sending unit 12.
如圖3所示，該控制單元13可以通過接收n個監測雷射信號信號來依次測量信號間隔，然後，可以在從a開始的確定的間隔tinterval中在計算的發射時間tTx的持續時間內發射干擾雷射信號。在接收到第n個監控雷射信號的點之後的定時設置時間ts的時間點。As shown in FIG3 , the control unit 13 can sequentially measure the signal interval by receiving n monitoring laser signal signals, and then, can transmit the interference laser signal within the duration of the calculated transmission time tTx in a determined interval tinterval starting from a time point of the timing setting time ts after the point at which the nth monitoring laser signal is received.
例如，如圖4所示，如果考慮到硬件性能，將被干擾的監測雷射信號的數量設置為3，則可以將干擾雷射信號的傳輸時間tTx設置為測量信號間隔平均值的3倍。另外，請參照圖4，該控制單元13可以在自接收到第n個監控雷射信號的時間點起經過定時設置時間ts時執行第一輪傳輸，在計算的傳輸時間的持續時間內傳輸干擾雷射信號tTx 在確定的時間間隔 tinterval 中，並且可以在第一輪傳輸完成後，接收到的監控雷射信號的接收時間點的定時設置時間ts進行第二輪傳輸。此外，若在第二輪傳輸完成後接收到監控雷射信號，則控制單元13可以進行第三輪傳輸，並根據之後是否接收到監控雷射信號，繼續重複傳輸干擾雷射信號。For example, as shown in FIG4, if the number of monitoring laser signals to be interfered is set to 3 in consideration of hardware performance, the transmission time tTx of the interference laser signal can be set to 3 times the average value of the measurement signal interval. In addition, referring to FIG4, the control unit 13 can perform a first round of transmission when the timing setting time ts has passed since the time point of receiving the nth monitoring laser signal, transmit the interference laser signal tTx in the determined time interval tinterval during the duration of the calculated transmission time, and can perform a second round of transmission at the timing setting time ts of the receiving time point of the received monitoring laser signal after the first round of transmission is completed. In addition, if a monitoring laser signal is received after the second round of transmission is completed, the control unit 13 can perform a third round of transmission and continue to repeatedly transmit the interference laser signal according to whether the monitoring laser signal is received thereafter.
該控制單元13可以根據在一輪發射干擾雷射信號完成後，以是否接收到監測雷射信號來判斷是否重複發射干擾雷射信號。因此，如果在發送干擾雷射信號的一輪完成後，若接收到監控雷射信號，則控制單元13可以通過將定時設置為從接收到的監控的時間點到定時設置時間ts來重複發送干擾雷射信號。如果沒有接收到監控雷射信號，則控制單元13可以停止重複發送干擾雷射信號。The control unit 13 can determine whether to repeatedly transmit the interference laser signal based on whether the monitoring laser signal is received after a round of transmitting the interference laser signal is completed. Therefore, if the monitoring laser signal is received after a round of transmitting the interference laser signal is completed, the control unit 13 can repeatedly transmit the interference laser signal by setting the timing from the time point of the received monitoring to the timing setting time ts. If the monitoring laser signal is not received, the control unit 13 can stop repeatedly transmitting the interference laser signal.
圖5顯示了對接收的監測雷射信號之間的信號間隔進行的測量的示例。如圖5所示，基於雷射測速儀20可以隨機間隔發送監測雷射信號。監測雷射信號的測量信號間隔中最短的信號間隔為4.12ms，監測雷射信號的測量信號間隔的最大公約數可為0.01ms。因此，定時設置時間ts可以設置為4.12ms，干擾雷射信號之間的間隔可以設置為0.01ms。FIG5 shows an example of measuring the signal interval between received monitoring laser signals. As shown in FIG5, the monitoring laser signal can be sent at random intervals based on the laser tachometer 20. The shortest signal interval among the measured signal intervals of the monitoring laser signal is 4.12 ms, and the greatest common divisor of the measured signal intervals of the monitoring laser signal can be 0.01 ms. Therefore, the timing setting time ts can be set to 4.12 ms, and the interval between the interference laser signals can be set to 0.01 ms.
另外，監測雷射信號的測量信號間隔的平均值為6ms，因此可以將乾擾雷射信號的傳輸時間tTx設置為6ms的3倍，即18ms。In addition, the average value of the measured signal interval of the monitoring laser signal is 6ms, so the transmission time tTx of the interfering laser signal can be set to 3 times of 6ms, that is, 18ms.
因此，在圖1所示的情況下(並參照圖5)，控制單元13可以測量在檢測和測量部分接收到的五個監控雷射信號之間的間隔為6.17ms、8.06ms、4.12ms和7.27ms，由此定時設置時間ts，間隔tinterval干擾雷射信號，並且可以確定乾擾雷射信號的傳輸時間tTx。Therefore, in the case shown in Figure 1 (and refer to Figure 5), the control unit 13 can measure the intervals between the five monitoring laser signals received in the detection and measurement part as 6.17ms, 8.06ms, 4.12ms and 7.27ms, thereby timing the setting of the time ts, the interval tinterval interference laser signal, and the transmission time tTx of the interference laser signal can be determined.
如上所示，根據本發明實施例的雷射發射器10可以通過測量接收到的監測雷射信號的信號間隔來自適應地產生干擾雷射信號，以產生待發射的干擾雷射信號的信息，從而有效地干擾監控雷射信號。As shown above, the laser transmitter 10 according to the embodiment of the present invention can adaptively generate an interference laser signal by measuring the signal interval of the received monitoring laser signal to generate information of the interference laser signal to be emitted, thereby effectively interfering with the monitoring laser signal.
因此，根據本發明的實施例的雷射發射器10可以產生干擾雷射信號，該干擾雷射信號不僅可以干擾具有恆定信號間隔的監測雷射信號，還可以干擾具有隨機信號間隔的雷射信號。Therefore, the laser transmitter 10 according to the embodiment of the present invention can generate an interference laser signal, which can interfere not only with the monitoring laser signal with a constant signal interval, but also with the laser signal with a random signal interval.
上述實施例的組成部分也可以從工藝的角度容易理解，也就是說，每個組件都可以理解為一個過程。同樣，上述實施例的過程也可以從裝置的組成部分的角度來容易地理解。The components of the above-mentioned embodiments can also be easily understood from the perspective of technology, that is, each component can be understood as a process. Similarly, the process of the above-mentioned embodiments can also be easily understood from the perspective of the components of the device.
上述技術特徵可以以程序指令的形式實現，該程序指令可以使用各種計算機手段執行並且可以記錄在計算機可讀介質中。這種計算機可讀介質，可以包括單獨或組合的程序指令、數據文件、數據結構等。記錄在介質上的程序指令可以是專門為本發明設計和配置的，或者可以是計算機軟件領域的技術人員已知和使用的一種介質。計算機可讀介質的示例可以包括諸如硬盤、軟盤、磁帶等的磁介質，諸如：CD-ROM、DVD等的光學介質，諸如：軟盤等的磁光介質，ROM、RAM、閃存等硬件設備，專門配置用於存儲和執行程序指令。指令程序的示例不僅可以包括由編譯器生成的機器語言代碼，還可以包括可以由計算機通過使用解釋器等執行的高級語言代碼。上述硬件可以被用作操作執行本發明實施例的動作的一個或多個軟件模塊，反之亦然。The above technical features can be implemented in the form of program instructions, which can be executed using various computer means and can be recorded in a computer-readable medium. Such a computer-readable medium may include separate or combined program instructions, data files, data structures, etc. The program instructions recorded on the medium may be specially designed and configured for the present invention, or may be a medium known and used by technicians in the field of computer software. Examples of computer-readable media may include magnetic media such as hard disks, floppy disks, and magnetic tapes, optical media such as CD-ROMs, DVDs, etc., magneto-optical media such as floppy disks, and hardware devices such as ROMs, RAMs, and flash memories, which are specially configured to store and execute program instructions. Examples of the instruction program may include not only machine language codes generated by a compiler, but also high-level language codes that can be executed by a computer by using an interpreter, etc. The above-mentioned hardware may be used as one or more software modules that operate to perform the actions of the embodiments of the present invention, and vice versa.
本發明的實施例僅出於說明性目的而公開。本領域普通技術人員能夠在不脫離本發明的精神和範圍的情況下進行各種修改、變更和添加，但是應當理解，這些修改、變更和添加包含在本發明的範圍內如下所述的權利要求。從以上之所述，本案發明係具有諸多優點而具有顯著的實用特性，且其運用之技術手段及其方法，確為本案發明人所研發而成，本發明誠已符合專利之要件，爰依法提出申請，並祈賜專利權為禱。The embodiments of the present invention are disclosed for illustrative purposes only. A person skilled in the art can make various modifications, changes and additions without departing from the spirit and scope of the present invention, but it should be understood that these modifications, changes and additions are included in the scope of the present invention as described below. From the above, the present invention has many advantages and has significant practical characteristics, and the technical means and methods used are indeed developed by the inventor of the present invention. The present invention has truly met the requirements of a patent, and an application is filed in accordance with the law, and the patent right is prayed for.
10:雷射發射器 11:雷射信號接收單元 12:雷射信號發射單元 13:控制單元 20:雷射測速儀 10: Laser transmitter 11: Laser signal receiving unit 12: Laser signal transmitting unit 13: Control unit 20: Laser speed meter
圖1繪示概念性地表示本發明的一個實施方式的雷射發送器的結構圖； 圖2是說明根據本發明實施例的用於操作雷射發射器的方法的流程圖； 圖3、圖4和圖5是用於說明根據本發明實施例的操作雷射發射器的方法圖。 FIG. 1 is a block diagram conceptually showing a laser transmitter according to an embodiment of the present invention; FIG. 2 is a flow chart illustrating a method for operating a laser transmitter according to an embodiment of the present invention; FIG. 3, FIG. 4 and FIG. 5 are diagrams for illustrating a method for operating a laser transmitter according to an embodiment of the present invention.
10:雷射發射器 10: Laser transmitter
11:雷射信號接收單元 11: Laser signal receiving unit
12:雷射信號發射單元 12: Laser signal transmitting unit
13:控制單元 13: Control unit
20:雷射測速儀 20: Laser speed meter
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