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1. 发明授权

US07964988B2 Lighting controller of lighting device for vehicle 有权
标题翻译：车辆照明装置照明控制器
公开(公告)号：US07964988B2
公开(公告)日：2011-06-21
申请号：US12335085
申请日：2008-12-15
申请人： Takayoshi Kitagawa , Masayasu Ito , Yasushi Noyori
发明人： Takayoshi Kitagawa , Masayasu Ito , Yasushi Noyori
IPC分类号： B60L1/14
CPC分类号： H05B33/0887 , H05B33/0827
摘要： A lighting controller of a lighting device for a vehicle includes a switching regulator for supplying a driving current to first to Nth (N is an integer of one or more) semiconductor light sources; first to Nth current driving portions; and a control portion. The first to Nth current driving portions include first to Nth current detecting portions connected in series to the semiconductor light sources and serving to detect the driving current respectively, first to Nth switching portions connected to positive electrode sides of the semiconductor light sources respectively, and first to Nth comparing portions for transmitting a comparing output corresponding to a result of a comparison, which is obtained by comparing values of the driving currents detected by the current detecting portions with a predetermined threshold respectively. The first to Nth current driving portions serve to carry out operations of the switching portions corresponding to the comparing output respectively. The control portion includes first to Nth first voltage drop detecting portions for detecting voltages on output sides of the comparing portions and transmitting first to Nth first detection results, and first to Nth second voltage drop detecting portions for detecting voltages on positive electrode sides of the semiconductor light sources and transmitting first to Nth second detection results respectively. The control portion controls the first to Nth current driving portions corresponding to the first to Nth first detection results and the first to Nth second detection results respectively.
摘要翻译：用于车辆的照明装置的照明控制器包括用于向第一至第N提供驱动电流的开关调节器（N为一个或多个整数）半导体光源; 第一到第N个当前驱动部分; 和控制部。第一至第N电流驱动部分包括分别与半导体光源串联连接的用于检测驱动电流的第一至第N电流检测部分，分别连接到半导体光源的正极侧的第一至第N开关部分和第一至第N电流检测部分到第N个比较部分，用于发送与比较结果相对应的比较输出，该比较通过将由电流检测部分检测到的驱动电流的值分别与预定阈值进行比较而获得。第一至第N电流驱动部分用于分别对应于比较输出执行开关部分的操作。控制部分包括第一至第N个第一电压降检测部分，用于检测比较部分的输出侧的电压，并发送第一至第N个第一检测结果，以及第一至第N第二电压降检测部分，用于检测半导体正极侧的电压光源并分别发送到第N个第二检测结果。控制部分分别对应于第一至第N第一检测结果和第一至第N第二检测结果来控制第一至第N电流驱动部分。

2. 发明申请

US20090153059A1 LIGHTING CONTROLLER OF LIGHTING DEVICE FOR VEHICLE 有权
标题翻译：照明灯具照明控制器
公开(公告)号：US20090153059A1
公开(公告)日：2009-06-18
申请号：US12335085
申请日：2008-12-15
申请人： Takayoshi Kitagawa , Masayasu Ito , Yasushi Noyori
发明人： Takayoshi Kitagawa , Masayasu Ito , Yasushi Noyori
IPC分类号： B60Q1/00 , H05B37/02
CPC分类号： H05B33/0887 , H05B33/0827
摘要： A lighting controller of a lighting device for a vehicle includes a switching regulator for supplying a driving current to first to Nth (N is an integer of one or more) semiconductor light sources; first to Nth current driving portions; and a control portion. The first to Nth current driving portions include first to Nth current detecting portions connected in series to the semiconductor light sources and serving to detect the driving current respectively, first to Nth switching portions connected to positive electrode sides of the semiconductor light sources respectively, and first to Nth comparing portions for transmitting a comparing output corresponding to a result of a comparison, which is obtained by comparing values of the driving currents detected by the current detecting portions with a predetermined threshold respectively. The first to Nth current driving portions serve to carry out operations of the switching portions corresponding to the comparing output respectively. The control portion includes first to Nth first voltage drop detecting portions for detecting voltages on output sides of the comparing portions and transmitting first to Nth first detection results, and first to Nth second voltage drop detecting portions for detecting voltages on positive electrode sides of the semiconductor light sources and transmitting first to Nth second detection results respectively. The control portion controls the first to Nth current driving portions corresponding to the first to Nth first detection results and the first to Nth second detection results respectively.
摘要翻译：用于车辆的照明装置的照明控制器包括用于向第一至第N提供驱动电流的开关调节器（N为一个或多个整数）半导体光源; 第一到第N个当前驱动部分; 和控制部。第一至第N电流驱动部分包括分别与半导体光源串联连接的用于检测驱动电流的第一至第N电流检测部分，分别连接到半导体光源的正极侧的第一至第N开关部分和第一至第N电流检测部分到第N个比较部分，用于发送与比较结果相对应的比较输出，该比较通过将由电流检测部分检测到的驱动电流的值分别与预定阈值进行比较而获得。第一至第N电流驱动部分用于分别对应于比较输出执行开关部分的操作。控制部分包括第一至第N个第一电压降检测部分，用于检测比较部分的输出侧的电压，并发送第一至第N个第一检测结果，以及第一至第N第二电压降检测部分，用于检测半导体正极侧的电压光源并分别发送到第N个第二检测结果。控制部分分别对应于第一至第N第一检测结果和第一至第N第二检测结果来控制第一至第N电流驱动部分。

3. 发明授权

US08097976B2 Lighting controller for a vehicle lamp 失效
标题翻译：车灯用照明控制器
公开(公告)号：US08097976B2
公开(公告)日：2012-01-17
申请号：US12364559
申请日：2009-02-03
申请人： Takayoshi Kitagawa , Yasushi Noyori , Masayasu Ito
发明人： Takayoshi Kitagawa , Yasushi Noyori , Masayasu Ito
IPC分类号： B06L1/14
CPC分类号： H05B33/089
摘要： A lighting controller has current driving means which include a shunt resistor connected in series to each of multiple LEDs to detect an LED driving current, a PMOS transistor connected to the positive electrode side of each of the LEDs, and an amplifier for sending an output according to the result of comparison between the respectively detected driving current values and a reference value, and which subject each of the PMOS transistors to ON/OFF operation. Control means includes a Zener diode ZD1 and a Zener diode ZD2 for detecting an abnormality occurring in the current driving means and for sending the abnormality detection result. The control means controls the PMOS transistor to be turned OFF after elapse of a predetermined time upon receipt of the abnormality detection result.
摘要翻译：照明控制器具有电流驱动装置，其包括与多个LED中的每一个串联连接的分流电阻以检测LED驱动电流，连接到每个LED的正极侧的PMOS晶体管和用于发送输出的放大器相对于分别检测到的驱动电流值和参考值之间的比较结果，以及将每个PMOS晶体管导通到ON / OFF操作的结果。控制装置包括齐纳二极管ZD1和齐纳二极管ZD2，用于检测在当前驱动装置中发生的异常并发送异常检测结果。控制装置在接收到异常检测结果之后经过预定时间后控制PMOS晶体管被关断。

4. 发明申请

US20090200963A1 Lighting Controller for a Vehicle Lamp 失效
标题翻译：车灯照明控制器
公开(公告)号：US20090200963A1
公开(公告)日：2009-08-13
申请号：US12364559
申请日：2009-02-03
申请人： Takayoshi Kitagawa , Yasushi Noyori , Masayasu Ito
发明人： Takayoshi Kitagawa , Yasushi Noyori , Masayasu Ito
IPC分类号： H05B37/02
CPC分类号： H05B33/089
摘要： A lighting controller has current driving means which include a shunt resistor connected in series to each of multiple LEDs to detect an LED driving current, a PMOS transistor connected to the positive electrode side of each of the LEDs, and an amplifier for sending an output according to the result of comparison between the respectively detected driving current values and a reference value, and which subject each of the PMOS transistors to ON/OFF operation. Control means includes a Zener diode ZD1 and a Zener diode ZD2 for detecting an abnormality occurring in the current driving means and for sending the abnormality detection result. The control means controls the PMOS transistor to be turned OFF after elapse of a predetermined time upon receipt of the abnormality detection result.
摘要翻译：照明控制器具有电流驱动装置，其包括与多个LED中的每一个串联连接的分流电阻以检测LED驱动电流，连接到每个LED的正极侧的PMOS晶体管和用于发送输出的放大器相对于分别检测到的驱动电流值和参考值之间的比较结果，以及将每个PMOS晶体管导通到ON / OFF操作的结果。控制装置包括齐纳二极管ZD1和齐纳二极管ZD2，用于检测在当前驱动装置中发生的异常并发送异常检测结果。控制装置在接收到异常检测结果之后经过预定时间后控制PMOS晶体管被关断。

5. 发明授权

US07741788B2 Light emitting apparatus with current limiting 失效
标题翻译：具有限流功能的发光装置
公开(公告)号：US07741788B2
公开(公告)日：2010-06-22
申请号：US12031935
申请日：2008-02-15
申请人： Masayasu Ito , Takayoshi Kitagawa , Kentarou Murakami
发明人： Masayasu Ito , Takayoshi Kitagawa , Kentarou Murakami
IPC分类号： H05B41/16
CPC分类号： H05B33/083 , H05B33/0815
摘要： In conduction of light emitting diodes LEDs 1 to 4, a switching signal 101 is converted into a voltage V2 or 0V through a signal converter 26 in accordance with a logic level thereof. The voltage obtained by the conversion is compared with a voltage V1 on both ends of a resistor R1 through an operational amplifier 20 to open/close an output loop by an NMOS transistor 22, a current If of the light emitting diodes LEDs 1 to 4 is limited to a current If1 so as not to exceed a maximum current, and a current defined with an ON duty of the switching signal 101 is caused to flow as a mean current to the light emitting diodes LEDs 1 to 4 to inhibit an overshoot current from flowing to the light emitting diodes LEDs 1 to 4 while the output loop is closed.
摘要翻译：在发光二极管LED 1〜4的导通中，切换信号101根据其逻辑电平通过信号转换器26转换成电压V2或0V。将通过转换获得的电压通过运算放大器20与电阻器R1的两端的电压V1进行比较，以通过NMOS晶体管22来打开/关闭输出回路，发光二极管LED 1〜4的电流If 限制为电流If1，以便不超过最大电流，并且使开关信号101的导通占空比定义的电流作为平均电流流向发光二极管LED 1至4以抑制过冲电流当输出回路闭合时，流到发光二极管LED 1至4。

6. 发明申请

US20090167187A1 LIGHTING CONTROLLER OF LIGHTING DEVICE FOR VEHICLE 有权
标题翻译：照明灯具照明控制器
公开(公告)号：US20090167187A1
公开(公告)日：2009-07-02
申请号：US12342690
申请日：2008-12-23
申请人： Takayoshi Kitagawa , Noriyuki Nakamura , Masayasu Ito
发明人： Takayoshi Kitagawa , Noriyuki Nakamura , Masayasu Ito
IPC分类号： H05B37/02 , B60Q1/00
CPC分类号： H05B33/0854 , H05B33/089
摘要： A lighting controller of a lighting device for a vehicle includes M (M is an integer of one or more) switching regulators for supplying driving currents to first to Nth (N is an integer of one or more) semiconductor light sources; first to Nth current driving portions; a temperature detector; and a control circuit. The first to Nth current driving portions include first to Nth current detecting portions connected to the semiconductor light sources and serving to detect the driving currents respectively; and first to Nth switching portions connected to the semiconductor light sources respectively. The first to Nth current driving portions operates the switching portions corresponding to magnitudes of the driving currents detected by the current detecting portions respectively. The temperature detector detects a temperature and sends a temperature detecting signal when the detected temperature is equal to or higher than a pre-specified temperature. The control circuit controls the current driving means in order to decrease the driving currents to be supplied to the semiconductor light sources upon receipt of the temperature detecting signal. The control circuit sets a priority of each of the semiconductor light sources for decreasing the driving current and decreases the driving current in order from the semiconductor light source having a highest priority.
摘要翻译：用于车辆的照明装置的照明控制器包括用于向第一至第N（N为一个或多个的整数）半导体光源提供驱动电流的M（M为一个或多个的整数）开关调节器; 第一到第N个当前驱动部分; 温度检测器; 和控制电路。第一至第N电流驱动部分包括连接到半导体光源的第一至第N电流检测部分，分别用于检测驱动电流; 以及分别连接到半导体光源的第一至第N开关部分。第一至第N电流驱动部分分别对应于由电流检测部分检测的驱动电流的大小进行操作。当检测到的温度等于或高于预先设定的温度时，温度检测器检测温度并发送温度检测信号。控制电路控制电流驱动装置，以便在接收到温度检测信号时减小要提供给半导体光源的驱动电流。控制电路设置用于降低驱动电流的每个半导体光源的优先级，并且从具有最高优先级的半导体光源依次降低驱动电流。

7. 发明授权

US07880401B2 Lighting controlling device of vehicle lighting equipment 有权
标题翻译：车灯照明设备照明控制装置
公开(公告)号：US07880401B2
公开(公告)日：2011-02-01
申请号：US12182615
申请日：2008-07-30
申请人： Takayoshi Kitagawa , Masayasu Ito
发明人： Takayoshi Kitagawa , Masayasu Ito
IPC分类号： H05B41/16
CPC分类号： H05B33/0845
摘要： A lighting controlling device of vehicle lighting equipment includes switching regulators for supplying a current to a plurality of semiconductor light sources respectively; a plurality of current driving portions, having switching elements connected to the semiconductor light sources for controlling ON/OFF of the semiconductor light sources, for current-driving the semiconductor light sources at a maximum current value or a current value smaller than the maximum current value in response to respective operating states of the switching elements; current setting portion for setting a maximum current value applied in current-driving the current driving portion or a maximum current value of currents fed from the switching regulators to the semiconductor light sources separately in plural stages in response to respective assignments; and a controlling portion for controlling the current driving portion and the current setting portion in response to a plurality of lighting modes based on communication information from an external device. The controlling portion assigns the maximum current value corresponding to each lighting mode to the current setting portion for every lighting mode, and assigns ON/OFF periods of the switching elements to the current driving portion for every lighting mode.
摘要翻译：车辆照明设备的照明控制装置包括分别向多个半导体光源提供电流的开关调节器; 多个电流驱动部，具有连接到半导体光源的开关元件，用于控制半导体光源的导通/截止，用于以最大电流值或小于最大电流值的电流值对半导体光源进行电流驱动响应于所述开关元件的各自的操作状态; 电流设定部分，用于响应于各自的分配，将多个阶段分别施加在电流驱动部分中的电流驱动部分中施加的最大电流值或从开关稳压器馈送到半导体光源的电流的最大电流值; 以及控制部分，用于响应于基于来自外部设备的通信信息的多个点亮模式来控制当前驱动部分和当前设置部分。控制部分对于每个点亮模式将与每个点亮模式对应的最大电流值分配给当前设置部分，并且为每个照明模式分配开关元件的ON / OFF周期到当前驱动部分。

8. 发明授权

US08110989B2 Lighting controller of lighting device for vehicle 有权
标题翻译：车辆照明装置照明控制器
公开(公告)号：US08110989B2
公开(公告)日：2012-02-07
申请号：US12342690
申请日：2008-12-23
申请人： Takayoshi Kitagawa , Noriyuki Nakamura , Masayasu Ito
发明人： Takayoshi Kitagawa , Noriyuki Nakamura , Masayasu Ito
IPC分类号： B60Q1/14
CPC分类号： H05B33/0854 , H05B33/089
摘要： A lighting controller of a lighting device for a vehicle includes M (M is an integer of one or more) switching regulators for supplying driving currents to first to Nth (N is an integer of one or more) semiconductor light sources; first to Nth current driving portions; a temperature detector; and a control circuit. The first to Nth current driving portions include first to Nth current detecting portions connected to the semiconductor light sources and serving to detect the driving currents respectively; and first to Nth switching portions connected to the semiconductor light sources respectively. The first to Nth current driving portions operates the switching portions corresponding to magnitudes of the driving currents detected by the current detecting portions respectively. The temperature detector detects a temperature and sends a temperature detecting signal when the detected temperature is equal to or higher than a pre-specified temperature. The control circuit controls the current driving means in order to decrease the driving currents to be supplied to the semiconductor light sources upon receipt of the temperature detecting signal. The control circuit sets a priority of each of the semiconductor light sources for decreasing the driving current and decreases the driving current in order from the semiconductor light source having a highest priority.
摘要翻译：用于车辆的照明装置的照明控制器包括用于向第一至第N（N为一个或多个的整数）半导体光源提供驱动电流的M（M为一个或多个的整数）开关调节器; 第一到第N个当前驱动部分; 温度检测器; 和控制电路。第一至第N电流驱动部分包括连接到半导体光源的第一至第N电流检测部分，分别用于检测驱动电流; 以及分别连接到半导体光源的第一至第N开关部分。第一至第N电流驱动部分分别对应于由电流检测部分检测的驱动电流的大小进行操作。当检测到的温度等于或高于预先设定的温度时，温度检测器检测温度并发送温度检测信号。控制电路控制电流驱动装置，以便在接收到温度检测信号时减小要提供给半导体光源的驱动电流。控制电路设置用于降低驱动电流的每个半导体光源的优先级，并且从具有最高优先级的半导体光源依次降低驱动电流。

9. 发明申请

US20090072764A1 LIGHTING CONTROLLING DEVICE OF VEHICLE LIGHTING EQUIPMENT 有权
标题翻译：车辆照明设备照明控制装置
公开(公告)号：US20090072764A1
公开(公告)日：2009-03-19
申请号：US12182615
申请日：2008-07-30
申请人： Takayoshi Kitagawa , Masayasu Ito
发明人： Takayoshi Kitagawa , Masayasu Ito
IPC分类号： H05B37/00
CPC分类号： H05B33/0845
摘要： A lighting controlling device of vehicle lighting equipment includes switching regulators for supplying a current to a plurality of semiconductor light sources respectively; a plurality of current driving portions, having switching elements connected to the semiconductor light sources for controlling ON/OFF of the semiconductor light sources, for current-driving the semiconductor light sources at a maximum current value or a current value smaller than the maximum current value in response to respective operating states of the switching elements; current setting portion for setting a maximum current value applied in current-driving the current driving portion or a maximum current value of currents fed from the switching regulators to the semiconductor light sources separately in plural stages in response to respective assignments; and a controlling portion for controlling the current driving portion and the current setting portion in response to a plurality of lighting modes based on communication information from an external device. The controlling portion assigns the maximum current value corresponding to each lighting mode to the current setting portion for every lighting mode, and assigns ON/OFF periods of the switching elements to the current driving portion for every lighting mode.
摘要翻译：车辆照明设备的照明控制装置包括分别向多个半导体光源提供电流的开关调节器; 多个电流驱动部，具有连接到半导体光源的开关元件，用于控制半导体光源的导通/截止，用于以最大电流值或小于最大电流值的电流值对半导体光源进行电流驱动响应于所述开关元件的各自的操作状态; 电流设定部分，用于响应于各自的分配，将多个阶段分别施加在电流驱动部分中的电流驱动部分中施加的最大电流值或从开关稳压器馈送到半导体光源的电流的最大电流值; 以及控制部分，用于响应于基于来自外部设备的通信信息的多个点亮模式来控制当前驱动部分和当前设置部分。控制部分对于每个点亮模式将与每个点亮模式对应的最大电流值分配给当前设置部分，并且为每个照明模式分配开关元件的ON / OFF周期到当前驱动部分。

10. 发明申请

US20080203946A1 LIGHT EMITTING APPARATUS 失效
标题翻译：发光装置
公开(公告)号：US20080203946A1
公开(公告)日：2008-08-28
申请号：US12031935
申请日：2008-02-15
申请人： Masayasu Ito , Takayoshi Kitagawa , Kentarou Murakami
发明人： Masayasu Ito , Takayoshi Kitagawa , Kentarou Murakami
IPC分类号： H05B37/02
CPC分类号： H05B33/083 , H05B33/0815
摘要： In conduction of light emitting diodes LEDs 1 to 4, a switching signal 101 is converted into a voltage V2 or 0V through a signal converter 26 in accordance with a logic level thereof The voltage obtained by the conversion is compared with a voltage V1 on both ends of a resistor R1 through an operational amplifier 20 to open/close an output loop by an NMOS transistor 22, a current If of the light emitting diodes LEDs 1 to 4 is limited to a current If1 so as not to exceed a maximum current, and a current defined with an ON duty of the switching signal 101 is caused to flow as a mean current to the light emitting diodes LEDs 1 to 4 to inhibit an overshoot current from flowing to the light emitting diodes LEDs 1 to 4 while the output loop is closed.
摘要翻译：在发光二极管LED 1〜4的导通中，切换信号101根据其逻辑电平通过信号转换器26转换为电压V 2或0V。将通过转换获得的电压与电压V 1进行比较电阻器R 1的两端通过运算放大器20通过NMOS晶体管22来打开/关闭输出回路，发光二极管LED 1至4的电流If被限制为电流If 1，以便不超过使开关信号101的接通占空比限定的最大电流和电流作为平均电流流向发光二极管LED1〜4，以抑制过冲电流流向发光二极管LED 1〜4，同时输出回路闭合。

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