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1. 发明专利

JP2003298523A Drive circuit and optical transmitter 有权
标题翻译：驱动电路和光学发射器
公开(公告)号：JP2003298523A
公开(公告)日：2003-10-17
申请号：JP2002096543
申请日：2002-03-29
申请人： Sony Corp , Sumitomo Electric Ind Ltd , ソニー株式会社 , 住友電気工業株式会社
发明人： INUSHIMA KOUNO , TSUMURA HIDESHI , MATSUMOTO ISAO , MOGI TAKAYUKI , TAMAKI AKIRA
IPC分类号： H01S5/042 , H04B10/07 , H04B10/2507 , H04B10/293 , H04B10/40 , H04B10/50 , H04B10/564 , H04B10/572 , H04B10/60 , H04B10/04 , H04B10/02 , H04B10/06 , H04B10/14 , H04B10/18
摘要： PROBLEM TO BE SOLVED: To prevent an excess output from a light emitting element by gradually reducing a supply current at interruption of a power supply voltage.
SOLUTION: The optical transmitter 20 provided with: a light emitting element 21; a light receiving element 23 for monitoring an optical output of the light emitting element 21; and a drive circuit 22 including an APC circuit for controlling the bias and the modulation of the light emitting element 21 depending on an output current from the light receiving element 23, includes: a voltage detection means 24 for detecting the power supply voltage Vcc of the optical transmitter 20, comparing the detected voltage with a prescribed threshold voltage, and outputting a disable signal when the detected voltage is lower than the prescribed threshold voltage, and a current compensation means 25 supplying a compensation current for a prescribed period from the power supply Vcc when receiving the disable signal from the voltage detection means 24, and the drive circuit 22 controls the bias and the modulation of the light emitting element 21 when receiving the disable signal from the voltage detection means 24 to turn off an optical output.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：通过逐渐减小电源电压中断时的电源电流来防止发光元件的过剩输出。光发射机20具有：发光元件21; 用于监测发光元件21的光输出的光接收元件23; 以及包括用于根据来自光接收元件23的输出电流来控制发光元件21的偏置和调制的APC电路的驱动电路22，包括：电压检测装置24，用于检测发光元件21的电源电压Vcc 光检测器20，将检测到的电压与规定的阈值电压进行比较，当检测电压低于规定的阈值电压时，输出禁止信号;以及电流补偿单元25，从电源Vcc向规定期间供给补偿电流当从电压检测装置24接收到禁止信号时，驱动电路22在从电压检测装置24接收到禁止信号时控制发光元件21的偏置和调制，以关闭光输出。版权所有（C）2004，JPO

2. 发明专利

JP2003298513A Drive circuit and optical transmitter 审中-公开
标题翻译：驱动电路和光学发射器
公开(公告)号：JP2003298513A
公开(公告)日：2003-10-17
申请号：JP2002096542
申请日：2002-03-29
申请人： Sony Corp , Sumitomo Electric Ind Ltd , ソニー株式会社 , 住友電気工業株式会社
发明人： INUSHIMA KOUNO , TSUMURA HIDESHI , MATSUMOTO ISAO , MOGI TAKAYUKI , TAMAKI AKIRA
IPC分类号： H01S5/068 , H04B10/07 , H04B10/2507 , H04B10/293 , H04B10/564 , H04B10/572 , H04B10/02 , H04B10/04 , H04B10/06 , H04B10/14 , H04B10/18
摘要： PROBLEM TO BE SOLVED: To provide an operation optical transmitter for preventing an excess output from a light emitting element by starting control of an APC circuit after a power supply voltage and a reference voltage reach a stable state.
SOLUTION: The optical transmitter 30 provided with: a light emitting element 31; a light receiving element 33 for monitoring an optical output of the light emitting element 31; and a drive circuit 32 including the APC circuit for controlling a bias and modulation of the light emitting element 31 depending on an output current from the light receiving element 33, includes: a detection means 41 for detecting the power supply voltage Vcc of the optical transmitter 30; and a comparison means 42 for comparing the voltage detected by the detection means 41 with a prescribed threshold voltage and outputting a disable signal when the detected voltage is lower than the prescribed threshold voltage, and the drive circuit 32 controls the bias and modulation of the light emitting element 31 when receiving the disable signal from the comparison means 34 to turn off an optical output.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：提供一种操作光发射机，用于在电源电压和参考电压达到稳定状态之后通过启动APC电路的控制来防止发光元件的过量输出。光传感器30具有：发光元件31; 用于监视发光元件31的光输出的光接收元件33; 以及包括用于根据来自光接收元件33的输出电流来控制发光元件31的偏置和调制的APC电路的驱动电路32，包括：用于检测光发射器的电源电压Vcc的检测装置41 30; 以及比较装置42，用于将检测装置41检测的电压与规定的阈值电压进行比较，并在检测电压低于规定的阈值电压时输出禁止信号，驱动电路32控制光的偏置和调制当从比较装置34接收到禁用信号以关闭光输出时，发光元件31发出。版权所有（C）2004，JPO

3. 发明专利

JP2004088503A Alarm circuit and optical transmitter 有权
标题翻译：报警电路和光发射机
公开(公告)号：JP2004088503A
公开(公告)日：2004-03-18
申请号：JP2002247671
申请日：2002-08-27
申请人： Sony Corp , Sumitomo Electric Ind Ltd , ソニー株式会社 , 住友電気工業株式会社
发明人： INUSHIMA KOUNO , TSUMURA HIDESHI , MATSUMOTO ISAO , MOGI TAKAYUKI , TAMAKI AKIRA
IPC分类号： H03K17/78 , H04B10/07 , H04B10/079 , H04B10/40 , H04B10/50 , H04B10/564 , H04B10/60 , H04B10/08 , H04B10/04 , H04B10/06 , H04B10/14 , H04B10/26 , H04B10/28
摘要： PROBLEM TO BE SOLVED: To provide an alarm circuit concerned with the bias or modulation control of a driving circuit considering distortion in the characteristics of light emitting elements.
SOLUTION: Voltage obtained by adding offset to control voltage for controlling the bias of the driving circuit is set as threshold voltage for generating a bias alarm. The alarm circuit is provided with a buffer amplifier 25 for inputting control voltage, an alarm adjustment circuit 26 for adding voltage adjusted by an alarm adjusting terminal to output voltage from the buffer amplifier 25 and outputting the added voltage and an amplifier 27 for amplifying the output of the alarm adjustment circuit 26 by reference voltage to which a temperature characteristic is added and outputting voltage obtained by adding offset to the control voltage.
COPYRIGHT: (C)2004,JPO
摘要翻译：要解决的问题：考虑到发光元件的特性的变形，提供涉及驱动电路的偏置或调制控制的报警电路。解决方案：将用于控制驱动电路的偏置的控制电压的偏移量所获得的电压设置为用于产生偏置报警的阈值电压。报警电路设置有用于输入控制电压的缓冲放大器25，用于将由报警调节端子调整的电压加到来自缓冲放大器25的输出电压并输出相加电压的报警调节电路26和用于放大输出的放大器27 通过添加了温度特性的参考电压和通过将偏移量加到控制电压上而获得的输出电压的报警调节电路26。版权所有（C）2004，JPO

4. 发明专利

JP2004087845A Driving circuit and optical transmitter 审中-公开
公开(公告)号：JP2004087845A
公开(公告)日：2004-03-18
申请号：JP2002247670
申请日：2002-08-27
申请人： Sony Corp , Sumitomo Electric Ind Ltd , ソニー株式会社 , 住友電気工業株式会社
发明人： INUSHIMA KOUNO , TSUMURA HIDESHI , MATSUMOTO ISAO , MOGI TAKAYUKI , TAMAKI AKIRA
IPC分类号： H01S5/0683 , H04B10/07 , H04B10/293 , H04B10/40 , H04B10/50 , H04B10/516 , H04B10/564 , H04B10/572 , H04B10/60 , H04B10/04 , H04B10/06 , H04B10/14 , H04B10/26 , H04B10/28
摘要： PROBLEM TO BE SOLVED: To provide an APC circuit in consideration of variations in temperature characteristic of a light emitting element.
SOLUTION: A driving circuit is equipped with the APC circuit 20 which controls the bias and modulation of the light emitting element based on an output current from an photo detector 13 for monitoring the light output of the light emitting element. The APC circuit 20 comprises a buffer amplifier 21 for converting the output current from the photo detector 13 into voltage, and an amplifier 23 which amplifies the converted voltage by a reference voltage added with temperature characteristics and then outputs it as a reference voltage for controlling the bias current and modulated current of the light emitting element.
COPYRIGHT: (C)2004,JPO

5. 发明专利

JP2003318832A Optical receiver and optical transmission system 审中-公开
标题翻译：光接收机和光传输系统
公开(公告)号：JP2003318832A
公开(公告)日：2003-11-07
申请号：JP2002126625
申请日：2002-04-26
申请人： Sumitomo Electric Ind Ltd , 住友電気工業株式会社
发明人： TSUMURA HIDESHI
IPC分类号： H01S3/10 , H04B10/07 , H04B10/2537 , H04B10/29 , H04B10/293 , H04B10/40 , H04B10/50 , H04B10/564 , H04B10/572 , H04B10/60 , H04B10/67 , H04B10/69 , H04B10/04 , H04B10/06 , H04B10/14 , H04B10/16 , H04B10/17 , H04B10/26 , H04B10/28
摘要： PROBLEM TO BE SOLVED: To provide an optical receiver and an optical transmission system using the optical receiver for receiving an optical signal by stale reception characteristics by holding light reception current to be outputted from a light reception element of the optical receiver approximately constant. SOLUTION: An optical preamplifier 1 which has an optical fiber for amplification and a laser light source for supplying an excited light to the optical fiber for amplification, and amplifies the optical signal is installed at the prestage of the optical receiver 3 having a photodiode 30 that detects the optical signal. In addition, an amplification control means 5 for controlling amplification gain of the optical signal in the preamplifier 1 is provided to the optical preamplifier 1 and the optical receiver 3. The amplification control means 5 controls power of the excited light to be supplied from the laser light source to the optical fiber for amplification in the optical preamplifier 1 according to the light reception current outputted from the photodiode 30 of the optical receiver 3. COPYRIGHT: (C)2004,JPO
摘要翻译：解决的问题：提供一种使用光接收器的光接收机和光传输系统，用于通过保持从光接收机的光接收元件输出的光接收电流近似恒定，通过陈旧的接收特性来接收光信号。解决方案：具有用于放大的光纤的光学前置放大器1和用于将激发光提供给用于放大的光纤的激光源，并且放大光信号被安装在具有检测光信号的光电二极管30。此外，用于控制前置放大器1中的光信号的放大增益的放大控制装置5被提供给光学前置放大器1和光接收器3.放大控制装置5控制从激光器提供的激发光的功率根据从光接收机3的光电二极管30输出的光接收电流，光源到光学前置放大器1中用于放大的光纤。版权所有（C）2004，JPO

6. 发明专利

JP2005064483A Light-emitting module 审中-公开
标题翻译：发光模块
公开(公告)号：JP2005064483A
公开(公告)日：2005-03-10
申请号：JP2004213460
申请日：2004-07-21
申请人： Sumitomo Electric Ind Ltd , 住友電気工業株式会社
发明人： KIHARA TOSHIAKI , GO HISAO , TSUMURA HIDESHI , KATO KIYOSHI , MOTO AKIHIRO
IPC分类号： H01S5/068 , H01S5/022
CPC分类号： H01L2224/48091 , H01L2924/30107 , H01L2924/3011 , H01L2924/00014 , H01L2924/00
摘要： PROBLEM TO BE SOLVED: To provide a light-emitting module which is equipped with a semiconductor laser and a temperature-measuring device and can generate signals for accurate adjustment of bias currents and modulation currents.
SOLUTION: The light-emitting module 1 comprises a stem 3, a semiconductor laser 5, and a temperature-measuring device 7. The stem 3 includes a first lead terminal 9, a second lead terminal 11, and a base 13 for supporting these terminals 9 and 11 and a housing includes this stem 3. The semiconductor laser 5 is mounted on the stem 3 and receives a driving signal S
DRV via the first lead terminal 9. The temperature-measuring device 7 is mounted on the stem 3 and generates a electrical signal S
TEMP depending on temperature. This electrical signal S
TEMP is provided through the second lead terminal. In the light-emitting element 1, since both of the semiconductor laser 5 and the temperature-measuring device 7 are mounted on the stem 3, heat from the semiconductor laser 5 is transmitted to the temperature-measuring device 7 via the stem 3.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供配备有半导体激光器和温度测量装置的发光模块，并且可以产生用于精确调整偏置电流和调制电流的信号。解决方案：发光模块1包括杆3，半导体激光器5和温度测量装置7.杆3包括第一引线端子9，第二引线端子11和基座13，用于支撑这些端子9和11，并且壳体包括该杆3.半导体激光器5安装在杆3上，并且经由第一引线端子9接收驱动信号S SB SBV。该温度测量装置 7安装在杆3上，并根据温度产生电信号S TEMP 。通过第二引线端子提供该电信号S TEMP 。在发光元件1中，由于半导体激光器5和温度测量装置7都安装在杆3上，所以来自半导体激光器5的热量经由杆3传递到温度测量装置7。 P>版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2005252251A Optical transmission assembly 有权
标题翻译：光传输总成
公开(公告)号：JP2005252251A
公开(公告)日：2005-09-15
申请号：JP2005040508
申请日：2005-02-17
申请人： Sumitomo Electric Ind Ltd , 住友電気工業株式会社
发明人： SAITO SHINICHIRO , TSUMURA HIDESHI
IPC分类号： G02B6/42 , G01R31/26 , G01R31/28 , G02B6/34 , H01L21/50 , H01L21/66 , H01S5/02 , H01S5/022 , H01S5/024
CPC分类号： G02B6/4201 , G02B6/4204 , G02B6/4246 , G02B6/4271 , G02B6/4272 , G02B6/4279 , G02B6/4292 , H01S5/02216 , H01S5/02248 , H01S5/02276 , H01S5/02284 , H01S5/02415
摘要： PROBLEM TO BE SOLVED: To provide a compact, inexpensive optical transmission assembly which can be driven at high speed, and an optical transceiver incorporating the optical transmission assembly. SOLUTION: An optical transmission assembly comprises an electron cooler mounted on a metal bottom plate and a semiconductor light emitting element mounted above the electron cooler via an insulating substrate. First and second multilayer ceramic boards are provided so that they surround the electron cooler. A direct-current or low-frequency control signal is sent to the electron cooler and the semiconductor light emitting element through the first multilayer ceramic board. A high-frequency driving signal of the semiconductor light emitting element and a complementary signal having an inverted phase are sent to the semiconductor light emitting element through the internal layer wiring of the second multilayer ceramic board and the insulating substrate. A semiconductor light receiving element which monitors the output light intensity of the semiconductor light emitting element is mounted on the second multilayer ceramic board. A high-frequency signal transmission line which extends from a driving IC mounted outside the optical transmission assembly to the semiconductor light emitting element can substantially have the straight, shortest path. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供可以高速驱动的紧凑，廉价的光传输组件以及包括光传输组件的光收发器。解决方案：光传输组件包括安装在金属底板上的电子冷却器和通过绝缘衬底安装在电子冷却器上方的半导体发光元件。提供第一和第二多层陶瓷板，使得它们围绕电子冷却器。通过第一多层陶瓷板将直流或低频控制信号发送到电子冷却器和半导体发光元件。通过第二多层陶瓷板和绝缘基板的内层布线，将半导体发光元件的高频驱动信号和具有反相的互补信号发送到半导体发光元件。监测半导体发光元件的输出光强的半导体光接收元件安装在第二多层陶瓷板上。从安装在光传输组件外部的驱动IC延伸到半导体发光元件的高频信号传输线可以基本上具有直的最短路径。版权所有（C）2005，JPO＆NCIPI

8. 发明专利

JP2005064484A Light-emitting module 审中-公开
标题翻译：发光模块
公开(公告)号：JP2005064484A
公开(公告)日：2005-03-10
申请号：JP2004213474
申请日：2004-07-21
申请人： Sumitomo Electric Ind Ltd , 住友電気工業株式会社
发明人： KATO KIYOSHI , GO HISAO , TSUMURA HIDESHI , KIHARA TOSHIAKI , MOTO AKIHIRO
IPC分类号： H01S5/022
摘要： PROBLEM TO BE SOLVED: To provide a light-emitting module adapted for mounting an inductor etc. in addition to a semiconductor laser.
SOLUTION: The light-emitting module 1a is provided with a stem 3, a semiconductor laser 5 and an inductor 7. The stem 3 has a first lead terminal 9, a base 11 and a pedestal section 13. The base 11 bears the first lead terminal 9. The pedestal section 13 is provided on the base 11. The semiconductor laser 5 is mounted on the pedestal section 13 and has first and second electrodes 5a, 5b. The inductor 7 is mounted on the lead terminal 9 and has one electrode 7a and the other electrode 7b. The one electrode 7a of the inductor 7 is electrically connected to the first electrode 5a of the semiconductor laser 5, and the other electrode 7b is connected to the lead terminal.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种除了半导体激光器之外还适用于安装电感器等的发光模块。解决方案：发光模块1a设置有杆3，半导体激光器5和电感器7.杆3具有第一引线端子9，基座11和基座部分13.基座11承载第一引线端子9.基座部分13设置在基座11上。半导体激光器5安装在基座部分13上，并具有第一和第二电极5a，5b。电感器7安装在引线端子9上，并具有一个电极7a和另一个电极7b。电感器7的一个电极7a电连接到半导体激光器5的第一电极5a，另一个电极7b连接到引线端子。版权所有（C）2005，JPO＆NCIPI

9. 发明专利

JP2005033019A Light emitting module 审中-公开
标题翻译：发光模块
公开(公告)号：JP2005033019A
公开(公告)日：2005-02-03
申请号：JP2003271125
申请日：2003-07-04
申请人： Sumitomo Electric Ind Ltd , 住友電気工業株式会社
发明人： GO HISAO , TSUMURA HIDESHI , MOTO AKIHIRO , KATO KIYOSHI , KIHARA TOSHIAKI
IPC分类号： H01S5/50 , G02B6/42 , H01S5/022 , H01S5/026
CPC分类号： G02B6/4201 , G02B6/4257 , G02B6/4263 , G02B6/4269 , G02B6/4283 , H01L2224/48091 , H01L2924/01322 , H01L2924/12032 , H01L2924/1305 , H01L2924/30107 , H01L2924/3011 , H01L2924/00014 , H01L2924/00
摘要： PROBLEM TO BE SOLVED: To provide a light emitting module having a structure wherein an electronic component and a semiconductor light emitting module are easily assembled on the stem. SOLUTION: The electronic component 3 includes a transistor 9. In the semiconductor light emitting element 5, an electrode 5b is electrically connected to the first current terminal 9b of the transistor 9, and the other electrode 5a is electrically connected to the second current terminal 9a of the transistor 9. The stem 7 has a lead terminal 11, a lead terminal 13, a base 15, and a pedestal section 17. The base 15 supports the lead terminals 11 and 13. The pedestal section 17 is provided on the base 15. The semiconductor light emitting terminal 5 and the electronic component 3 are mounted on the side walls 17a of the pedestal section 17. The second current terminal 9a of the transistor 9 and the other electrode 5a of the semiconductor light emitting element 5 are electrically connected to the lead terminal 11. The control terminal 9c of the transistor 9 is connected to the lead terminal 13. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种发光模块，其具有电子部件和半导体发光模块容易地组装在杆上的结构。电子部件3包括晶体管9.在半导体发光元件5中，电极5b电连接到晶体管9的第一电流端子9b，另一个电极5a电连接到第二电极晶体管9的电流端子9a。杆7具有引线端子11，引线端子13，基座15和基座部分17.基座15支撑引线端子11和13.基座部分17设置在基座15.半导体发光端子5和电子部件3安装在基座部分17的侧壁17a上。晶体管9的第二电流端子9a和半导体发光元件5的另一个电极5a是电连接到引线端子11.晶体管9的控制端子9c连接到引线端子13.版权所有（C）2005，JPO＆NCIPI

10. 发明专利

JP2005045234A Light emitting module 审中-公开
标题翻译：发光模块
公开(公告)号：JP2005045234A
公开(公告)日：2005-02-17
申请号：JP2004202396
申请日：2004-07-08
申请人： Sumitomo Electric Ind Ltd , 住友電気工業株式会社
发明人： KIHARA TOSHIAKI , GO HISAO , KATO KIYOSHI , MOTO AKIHIRO , TSUMURA HIDESHI
IPC分类号： H01S5/022
CPC分类号： H01L2224/48091 , H01L2924/30107 , H01L2924/3011 , H01L2924/00014 , H01L2924/00
摘要： PROBLEM TO BE SOLVED: To provide a light emitting module which can make the impedance mismatching small without mounting both a semiconductor laser and a resistance element on a single substrate.
SOLUTION: The light emitting module 1 is provided with a stem 3, the semiconductor laser 5, and an electronic component 7. The stem 3 has a first lead terminal 9 and a base 11. The base 11 supports the first lead terminal 9. The semiconductor laser 5 is mounted on the stem 3. The electronic component 7 is mounted on the first lead terminal 9, and includes the resistance element 13. The electronic component 7 has a first and a second electrode 7b, 7c provided on a principal plane 7a. The first and the second electrode 7b, 7c are connected to one end and the other end of the resistance element 13, respectively. The first electrode 7b of the electronic component 7 is connected to the first lead terminal 9. The second electrode 7c of the electronic component 7 is connected to one terminal 5b of the semiconductor laser 5.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种可以使阻抗失配小的发光模块，而不将半导体激光器和电阻元件都安装在单个基板上。解决方案：发光模块1设置有杆3，半导体激光器5和电子部件7.杆3具有第一引线端子9和基座11.基座11支撑第一引线端子半导体激光器5安装在杆3上。电子部件7安装在第一引线端子9上，并且包括电阻元件13.电子部件7具有第一和第二电极7b，7c，主平面7a。第一和第二电极7b，7c分别连接到电阻元件13的一端和另一端。电子部件7的第一电极7b连接到第一引线端子9.电子部件7的第二电极7c连接到半导体激光器5的一个端子5b。版权所有（C）2005，JPO＆NCIPI

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