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1. 发明授权

US07453554B2 Phase measurement method and application thereof 有权
标题翻译：相位测量方法及其应用
公开(公告)号：US07453554B2
公开(公告)日：2008-11-18
申请号：US11704840
申请日：2007-02-09
申请人： Shou-Qing Yang , Yin-Long Luo , Song Li
发明人： Shou-Qing Yang , Yin-Long Luo , Song Li
IPC分类号： G01C3/08
CPC分类号： G01S17/36 , G01S7/491
摘要： A phase measurement method is disclosed, which includes inputting a predetermined voltage to the photodiode; receiving an optical signal and transforming into an electrical signal; generating a sampled signal with a signal transforming process; determining whether the amplitude value of the sampled signal in a predetermined range or not; if the amplitude of the sampled signal is not in the predetermined amplitude range, adjusting the predetermined voltage and receiving the optical signal and judging again until the amplitude value falls into the predetermined amplitude range; if the amplitude of the sampled signal is in the predetermined amplitude range, calculating the first phase value; and judging whether the predetermined voltage adjusted or not. If the predetermined voltage has been adjusted, calculating the compensating phase value and the second phase value in accordance with the adjusted predetermined voltage.
摘要翻译：公开了一种相位测量方法，其包括向光电二极管输入预定电压; 接收光信号并转换成电信号; 用信号变换处理产生采样信号; 确定采样信号的振幅值是否在预定范围内; 如果采样信号的振幅不在预定幅度范围内，则调整预定电压并接收光信号并再次判断，直到振幅值落入预定幅度范围内; 如果采样信号的幅度在预定幅度范围内，则计算第一相位值; 并判断是否调整了预定电压。如果已经调整了预定电压，则根据调整的预定电压来计算补偿相位值和第二相位值。

2. 发明授权

US07889771B2 Driving device and method 有权
标题翻译：驱动装置及方法
公开(公告)号：US07889771B2
公开(公告)日：2011-02-15
申请号：US11770769
申请日：2007-06-29
申请人： Song Li , Shou-Qing Yang , Yin-Long Luo
发明人： Song Li , Shou-Qing Yang , Yin-Long Luo
IPC分类号： H01S3/00
CPC分类号： H01S5/0683 , G01S7/491 , G01S7/4911 , H01S5/0428
摘要： A driving device including a light emitter, a biasing circuit, a light receiver, an automatic control system, and an alternating current (AC) path is disclosed. The light emitter generates an optical signal. The biasing circuit generates a driving signal to activate the light emitter such that the light emitter operates in a working range. The light receiver detects the output power of the optical signal for generating a corresponding electrical signal. The automatic control system adjusts the driving signal according to the corresponding electrical signal such that the output power of the optical signal approaches a preset value. The AC path is coupled between the light emitter and an external signal source for receiving at least one AC modulated signal such that the light emitter generates at least one modulated optical signal.
摘要翻译：公开了一种包括发光器，偏置电路，光接收器，自动控制系统和交流（AC）路径的驱动装置。光发射器产生光信号。偏置电路产生驱动信号以激活光发射器，使得发光器在工作范围内工作。光接收器检测光信号的输出功率以产生相应的电信号。自动控制系统根据对应的电信号调整驱动信号，使得光信号的输出功率接近预设值。 AC路径耦合在光发射器和外部信号源之间，用于接收至少一个AC调制信号，使得发光器产生至少一个调制的光信号。

3. 发明授权

US07764359B2 Systems and method for distance measurement 有权
公开(公告)号：US07764359B2
公开(公告)日：2010-07-27
申请号：US11939586
申请日：2007-11-14
申请人： Yin-Long Luo , Song Li
发明人： Yin-Long Luo , Song Li
IPC分类号： G01C3/08
CPC分类号： G01C3/08 , G01S7/491 , G01S7/497 , G01S17/36
摘要： Embodiments of a distance measurement system are provided, in which a light signal generator comprises a first emission unit outputting a light beam to a target according to a first frequency-modulation signal, and a light-mixing unit generating a light mixing signal according to a second frequency-modulated signal and a reflection light beam reflected from the target. An electrical mixing unit generates an electrical mixing signal according to the first and second frequency-modulation signals, and a processing unit performs a phase difference estimation to obtain an evaluated value between the target and the distance measurement system according to the light mixing signal and the electrical mixing signal, and obtains a corresponding distance compensation value to compensate for the distance evaluated value according to an amplitude of the reflection light beam.

4. 发明申请

US20070206176A1 Phase measurement method and application thereof 有权
标题翻译：相位测量方法及其应用
公开(公告)号：US20070206176A1
公开(公告)日：2007-09-06
申请号：US11704840
申请日：2007-02-09
申请人： Shou-Qing Yang , Yin-Long Luo , Song Li
发明人： Shou-Qing Yang , Yin-Long Luo , Song Li
IPC分类号： G01C3/08
CPC分类号： G01S17/36 , G01S7/491
摘要： A phase measurement method is disclosed, which includes inputting a predetermined voltage to the photodiode; receiving an optical signal and transforming into an electrical signal; generating a sampled signal with a signal transforming process; determining whether the amplitude value of the sampled signal in a predetermined range or not; if the amplitude of the sampled signal is not in the predetermined amplitude range, adjusting the predetermined voltage and receiving the optical signal and judging again until the amplitude value falls into the predetermined amplitude range; if the amplitude of the sampled signal is in the predetermined amplitude range, calculating the first phase value; and judging whether the predetermined voltage adjusted or not. If the predetermined voltage has been adjusted, calculating the compensating phase value and the second phase value in accordance with the adjusted predetermined voltage.
摘要翻译：公开了一种相位测量方法，其包括向光电二极管输入预定电压; 接收光信号并转换成电信号; 用信号变换处理产生采样信号; 确定采样信号的振幅值是否在预定范围内; 如果采样信号的振幅不在预定幅度范围内，则调整预定电压并接收光信号并再次判断，直到振幅值落入预定幅度范围内; 如果采样信号的幅度在预定幅度范围内，则计算第一相位值; 并判断是否调整了预定电压。如果已经调整了预定电压，则根据调整的预定电压来计算补偿相位值和第二相位值。

5. 发明申请

US20080117406A1 SYSTEMS AND METHOD FOR DISTANCE MEASUREMENT 有权
标题翻译：用于距离测量的系统和方法
公开(公告)号：US20080117406A1
公开(公告)日：2008-05-22
申请号：US11939586
申请日：2007-11-14
申请人： Yin-Long Luo , Song Li
发明人： Yin-Long Luo , Song Li
IPC分类号： G01C3/08
CPC分类号： G01C3/08 , G01S7/491 , G01S7/497 , G01S17/36
摘要： Embodiments of a distance measurement system are provided, in which a light signal generator comprises a first emission unit outputting a light beam to a target according to a first frequency-modulation signal, and a light-mixing unit generating a light mixing signal according to a second frequency-modulated signal and a reflection light beam reflected from the target. An electrical mixing unit generates an electrical mixing signal according to the first and second frequency-modulation signals, and a processing unit performs a phase difference estimation to obtain an evaluated value between the target and the distance measurement system according to the light mixing signal and the electrical mixing signal, and obtains a corresponding distance compensation value to compensate for the distance evaluated value according to an amplitude of the reflection light beam.
摘要翻译：提供了一种距离测量系统的实施例，其中光信号发生器包括根据第一调频信号向目标输出光束的第一发射单元和根据第一调频信号产生光混合信号的光混合单元第二频率调制信号和从目标反射的反射光束。电混合单元根据第一和第二调频信号产生电混频信号，并且处理单元执行相位差估计，以根据光混合信号和目标与距离测量系统之间的评估值电混合信号，并且获得相应的距离补偿值，以根据反射光束的振幅来补偿距离评估值。

6. 发明授权

US07738083B2 Distant measurement method and distant measurement system 有权
标题翻译：远程测量方法和远距离测量系统
公开(公告)号：US07738083B2
公开(公告)日：2010-06-15
申请号：US12025817
申请日：2008-02-05
申请人： Yin-Long Luo , Song Li , Jun Wang
发明人： Yin-Long Luo , Song Li , Jun Wang
IPC分类号： G01C3/08
CPC分类号： G01S17/325
摘要： A distant measurement method and a distant measurement system are provided. The distant measurement method includes the following steps: emitting a first light beam and a second light beam from an emitting terminal, wherein the first light beam travels toward a target; providing a switching sequence by a switch mechanism; placing a receiving terminal to receive the first light beam reflected from the target in accordance with the switching sequence and correspondingly provide a first electrical signal, and to receive the second light beam and correspondingly provide a second electrical signal; and utilizing a controlling terminal to receive the first and second electrical signals, and calculate distance between the distant measurement system and the target in accordance with a phase differential formed between the first and second electrical signals.
摘要翻译：提供远程测量方法和远程测量系统。远距离测量方法包括以下步骤：从发射端发射第一光束和第二光束，其中第一光束朝向目标传播; 通过开关机构提供切换序列; 放置接收终端根据切换顺序接收从目标物反射的第一光束，并相应地提供第一电信号，并接收第二光束并相应地提供第二电信号; 以及利用控制终端接收第一和第二电信号，并且根据形成在第一和第二电信号之间的相位差来计算远距离测量系统与目标之间的距离。

7. 发明申请

US20090195769A1 DISTANT MEASUREMENT METHOD AND DISTANT MEASUREMENT SYSTEM 有权
标题翻译：距离测量方法和距离测量系统
公开(公告)号：US20090195769A1
公开(公告)日：2009-08-06
申请号：US12025817
申请日：2008-02-05
申请人： Yin-Long Luo , Song Li , Jun Wang
发明人： Yin-Long Luo , Song Li , Jun Wang
IPC分类号： G01C3/00
CPC分类号： G01S17/325
摘要： A distant measurement method and a distant measurement system are provided. The distant measurement method includes the following steps: emitting a first light beam and a second light beam from an emitting terminal, wherein the first light beam travels toward a target; providing a switching sequence by a switch mechanism; placing a receiving terminal to receive the first light beam reflected from the target in accordance with the switching sequence and correspondingly provide a first electrical signal, and to receive the second light beam and correspondingly provide a second electrical signal; and utilizing a controlling terminal to receive the first and second electrical signals, and calculate distance between the distant measurement system and the target in accordance with a phase differential formed between the first and second electrical signals.
摘要翻译：提供远程测量方法和远程测量系统。远距离测量方法包括以下步骤：从发射端发射第一光束和第二光束，其中第一光束朝向目标传播; 通过开关机构提供切换序列; 放置接收终端根据切换顺序接收从目标反射的第一光束，并相应地提供第一电信号，并接收第二光束并相应地提供第二电信号; 以及利用控制终端接收第一和第二电信号，并且根据形成在第一和第二电信号之间的相位差来计算远距离测量系统与目标之间的距离。

8. 发明申请

US20080019407A1 DRIVING DEVICE AND METHOD 有权
标题翻译：驱动装置和方法
公开(公告)号：US20080019407A1
公开(公告)日：2008-01-24
申请号：US11770769
申请日：2007-06-29
申请人： Song Li , Shou-Qing Yang , Yin-Long Luo
发明人： Song Li , Shou-Qing Yang , Yin-Long Luo
IPC分类号： H01S3/00
CPC分类号： H01S5/0683 , G01S7/491 , G01S7/4911 , H01S5/0428
摘要： A driving device including a light emitter, a biasing circuit, a light receiver, an automatic control system, and an alternating current (AC) path is disclosed. The light emitter generates an optical signal. The biasing circuit generates a driving signal to activate the light emitter such that the light emitter operates in a working range. The light receiver detects the output power of the optical signal for generating a corresponding electrical signal. The automatic control system adjusts the driving signal according to the corresponding electrical signal such that the output power of the optical signal approaches a preset value. The AC path is coupled between the light emitter and an external signal source for receiving at least one AC modulated signal such that the light emitter generates at least one modulated optical signal.
摘要翻译：公开了一种包括发光器，偏置电路，光接收器，自动控制系统和交流（AC）路径的驱动装置。光发射器产生光信号。偏置电路产生驱动信号以激活光发射器，使得发光器在工作范围内工作。光接收器检测光信号的输出功率以产生相应的电信号。自动控制系统根据对应的电信号调整驱动信号，使得光信号的输出功率接近预设值。 AC路径耦合在光发射器和外部信号源之间，用于接收至少一个AC调制信号，使得发光器产生至少一个调制的光信号。

9. 发明申请

US20070236679A1 Phase ranging apparatus and method of phase ranging 审中-公开
标题翻译：相位测距装置及相位测距方法
公开(公告)号：US20070236679A1
公开(公告)日：2007-10-11
申请号：US11732322
申请日：2007-04-03
申请人： Yin-Long Luo , Shou-Qing Yang , Song Li
发明人： Yin-Long Luo , Shou-Qing Yang , Song Li
IPC分类号： G01C3/08
CPC分类号： G01S17/36 , G01S7/481
摘要： A distance measurement apparatus includes a first and a second optical signal producing units, an optical mixing unit, an electric mixing unit and a processing unit. The first optical signal producing unit includes a first emitting unit to emit a first beam based on a first modulated signal to a target. The second optical signal producing unit includes a second emitting unit to emit a second beam based on a second modulated signal. The optical mixing unit produces an optical mixing signal based on the second beam and a reflected beam of the first beam reflected by the target. The electric mixing unit produces an electric mixing signal based on the first and the second modulated signals. The processing unit calculates a phase difference based on the optical mixing signal and the electric mixing signal to determine a distance between the target and the laser ranging apparatus.
摘要翻译：距离测量装置包括第一和第二光信号产生单元，光混合单元，电混合单元和处理单元。第一光信号产生单元包括基于第一调制信号向目标发射第一波束的第一发射单元。第二光信号产生单元包括基于第二调制信号发射第二波束的第二发射单元。光混合单元产生基于第二光束的光混合信号和由靶反射的第一光束的反射光束。电混合单元基于第一和第二调制信号产生电混合信号。处理单元基于光混合信号和电混合信号计算相位差，以确定目标和激光测距装置之间的距离。

10. 发明授权

US08018580B2 Laser range finding device and distance measurement method thereof 有权
标题翻译：激光测距装置及其距离测量方法
公开(公告)号：US08018580B2
公开(公告)日：2011-09-13
申请号：US12885852
申请日：2010-09-20
申请人： Yin-Long Luo , Sheng Liang , Peng-Fei Song , Pie-Yau Chien , Hua-Tang Liu
发明人： Yin-Long Luo , Sheng Liang , Peng-Fei Song , Pie-Yau Chien , Hua-Tang Liu
IPC分类号： G01C3/08
CPC分类号： G01S7/4873
摘要： A distance measurement method for use in a laser range finding device to measure a distance between the laser range finding device and a target is disclosed. The method comprises the following steps. A laser signal is sent to the target in a first time point. A reflected laser signal reflected by the target is then received. A digital signal having a plurality of signal values ranging from 0 to N is obtained by sampling the reflected laser signal with a sampling signal, wherein N is an integer larger than two. A maximum signal value among the signal values is obtained. The distance is calculated according to the first time point and a second time point where the maximum signal value is generated.
摘要翻译：公开了一种用于激光测距装置中用于测量激光测距装置与目标之间的距离的距离测量方法。该方法包括以下步骤。在第一时间点将激光信号发送到目标。然后接收目标反射的反射激光信号。具有从0到N的多个信号值的数字信号通过用采样信号对反射的激光信号进行采样获得，其中N是大于2的整数。获得信号值中的最大信号值。根据第一时间点和产生最大信号值的第二时间点计算距离。

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