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1. 发明授权

EP0348974B1 Gas laser tube 失效
标题翻译：气体激光管
公开(公告)号：EP0348974B1
公开(公告)日：1993-05-05
申请号：EP89111858.0
申请日：1989-06-29
申请人： NEC CORPORATION
发明人： Ishihara, Hiroyuki , Kinoshita, Makoto
IPC分类号： H01S3/03
CPC分类号： H01S3/03

2. 发明授权

EP0081818B1 Microwave integrated circuit frequency converter 失效
标题翻译：微波集成电路变频器
公开(公告)号：EP0081818B1
公开(公告)日：1990-05-09
申请号：EP82111430.3
申请日：1982-12-09
申请人： NEC CORPORATION
发明人： Ishihara, Hiroyuki
IPC分类号： H03D9/06
CPC分类号： H03D9/0608 , H03D7/18 , H03D9/0633 , H03D2200/0037

3. 发明公开

EP0081818A2 Microwave integrated circuit frequency converter 失效
标题翻译：微波集成的频率转换器。
公开(公告)号：EP0081818A2
公开(公告)日：1983-06-22
申请号：EP82111430.3
申请日：1982-12-09
申请人： NEC CORPORATION
发明人： Ishihara, Hiroyuki
IPC分类号： H03D9/06
CPC分类号： H03D9/0608 , H03D7/18 , H03D9/0633 , H03D2200/0037
摘要： A microwave integrated circuit frequency converter includes a first filter (30) for a signal frequency and a second filter (32) for a local oscillator frequency connected at one terminal thereof with one terminal of the signal frequency filter (30) by a line (38), (40) having a predetermined electrical length. A parallel stub line (42) is short-circuited at one end thereof. A diode (34) is connected at its one end to a third filter (36) which is adapted to reflect the signal and local oscillator frequencies while passing an intermediate frequency. The parallel stub line (42) and diode (34) are connected at their other ends to a specific mixing point P on the connecting line (38, 40) at which the impedance is opened for the signal frequency when the local oscillator frequency filter (32) is seen from the signal frequency filter (30) side and the impedance is opened for the local oscillator frequency when the signal frequency filter (30) is seen from the local oscillator frequency filter (32) side.

4. 发明公开

EP0827140A3 Apparatus and method for optical pick-up 失效
标题翻译：光学扫描装置和扫描
公开(公告)号：EP0827140A3
公开(公告)日：1998-08-12
申请号：EP97114349.0
申请日：1997-08-20
申请人： NEC CORPORATION
发明人： Ishihara, Hiroyuki
IPC分类号： G11B7/12
CPC分类号： G11B7/127 , G11B7/123 , G11B2007/0006
摘要： A single optical pick-up apparatus is provided with two semiconductor lasers (5A, 5B) emitting laser beams having different wavelengths, a prism (3) having inclined surfaces (3A, 3B) facing to the semiconductor lasers, optical systems (6A, 6B) for image-formation, and photo-diodes (2A, 2B) receiving laser beams entering the prism through the inclined surfaces. The prism (3) and the photo-diodes (2A, 2B) can be shared by optical pick-up units comprised of the semiconductor lasers (5A, 5B), which ensures the reduction in the number of parts, specifically, of prism and photo-diode and hence the reduction in costs for fabrication of an optical pick-up apparatus, and also ensures a smaller size and reduction in weight.

5. 发明公开

EP0827140A2 Apparatus and method for optical pick-up 失效
标题翻译：用于光学拾取的设备和方法
公开(公告)号：EP0827140A2
公开(公告)日：1998-03-04
申请号：EP97114349.0
申请日：1997-08-20
申请人： NEC CORPORATION
发明人： Ishihara, Hiroyuki
IPC分类号： G11B7/12
CPC分类号： G11B7/127 , G11B7/123 , G11B2007/0006
摘要： A single optical pick-up apparatus is provided with two semiconductor lasers (5A, 5B) emitting laser beams having different wavelengths, a prism (3) having inclined surfaces (3A, 3B) facing to the semiconductor lasers, optical systems (6A, 6B) for image-formation, and photo-diodes (2A, 2B) receiving laser beams entering the prism through the inclined surfaces. The prism (3) and the photo-diodes (2A, 2B) can be shared by optical pick-up units comprised of the semiconductor lasers (5A, 5B), which ensures the reduction in the number of parts, specifically, of prism and photo-diode and hence the reduction in costs for fabrication of an optical pick-up apparatus, and also ensures a smaller size and reduction in weight.
摘要翻译：单个光学拾取装置设置有发射具有不同波长的激光束的两个半导体激光器（5A，5B），具有面对半导体激光器的倾斜表面（3A，3B）的棱镜（3），光学系统（6A，6B））以及接收通过倾斜表面进入棱镜的激光束的光电二极管（2A，2B）。由半导体激光器（5A，5B）组成的光学拾取单元可以共享棱镜（3）和光电二极管（2A，2B），这确保了部件数量的减少，特别是棱镜和光电二极管，因此降低了制造光学拾取装置的成本，并且还确保较小的尺寸和减小重量。

6. 发明公开

EP0450659A3 Random polarization gas laser tube 失效
标题翻译：随机极化气体激光管
公开(公告)号：EP0450659A3
公开(公告)日：1992-05-06
申请号：EP91105552.3
申请日：1991-04-08
申请人： NEC CORPORATION
发明人： Ishihara, Hiroyuki
IPC分类号： H01S3/034 , H01S3/086
CPC分类号： H01S3/034 , H01S3/086
摘要： In a random polarization gas laser tube, a pair of mirrors (11,12) constituting an optical resonator have anisotropic characteristics and aligned such that directions (101,102) showing highest reflection intensity are orthogonal to each other to obtain a stable polarizing characteristics.

7. 发明公开

EP0348974A1 Gas laser tube 失效
标题翻译：气体Laserrohr。
公开(公告)号：EP0348974A1
公开(公告)日：1990-01-03
申请号：EP89111858.0
申请日：1989-06-29
申请人： NEC CORPORATION
发明人： Ishihara, Hiroyuki , Kinoshita, Makoto
IPC分类号： H01S3/03
CPC分类号： H01S3/03
摘要： A hollow metal member (21, 22) which holds one of the pair of mirrors (11, 12) at one end thereof, the pair of mirrors (11, 12) forming an optical resonator in a gas laser tube (7), is electrically and mechanically connected with a hollow cathode member (5) via a spring member (8) to thereby enhance reliability in mechanical and electrical connection. The spring member (8) is positioned either outside or on inner surface of the hollow metal member (21, 22) and force mechanically one end of the cathode member (5) onto the inner wall of the hollow metal member (21, 22) with spring force.
摘要翻译：在其一端保持一对反射镜（11,12）中的一个的中空金属构件（21,22），在气体激光管（7）中形成光谐振器的一对反射镜（11,12）是通过弹簧构件（8）与空心阴极构件（5）电连接和机械连接，从而提高机械和电气连接的可靠性。弹簧构件（8）位于中空金属构件（21,22）的外表面或内表面上，并且将阴极构件（5）的一端机械地机械地施加到中空金属构件（21,22）的内壁上，用弹力。

8. 发明公开

EP0081818A3 Microwave integrated circuit frequency converter 失效
标题翻译：微波集成电路变频器
公开(公告)号：EP0081818A3
公开(公告)日：1983-10-19
申请号：EP82111430
申请日：1982-12-09
申请人： NEC CORPORATION
发明人： Ishihara, Hiroyuki
IPC分类号： H03D09/06
CPC分类号： H03D9/0608 , H03D7/18 , H03D9/0633 , H03D2200/0037
摘要： A microwave integrated circuit frequency converter includes a first filter (30) for a signal frequency and a second filter (32) for a local oscillator frequency connected at one terminal thereof with one terminal of the signal frequency filter (30) by a line (38), (40) having a predetermined electrical length. A parallel stub line (42) is short-circuited at one end thereof. A diode (34) is connected at its one end to a third filter (36) which is adapted to reflect the signal and local oscillator frequencies while passing an intermediate frequency. The parallel stub line (42) and diode (34) are connected at their other ends to a specific mixing point P on the connecting line (38, 40) at which the impedance is opened for the signal frequency when the local oscillator frequency filter (32) is seen from the signal frequency filter (30) side and the impedance is opened for the local oscillator frequency when the signal frequency filter (30) is seen from the local oscillator frequency filter (32) side.

9. 发明公开

EP0450659A2 Random polarization gas laser tube 失效
标题翻译： Gaslaserrohr mit信仰极化。
公开(公告)号：EP0450659A2
公开(公告)日：1991-10-09
申请号：EP91105552.3
申请日：1991-04-08
申请人： NEC CORPORATION
发明人： Ishihara, Hiroyuki
IPC分类号： H01S3/034 , H01S3/086
CPC分类号： H01S3/034 , H01S3/086
摘要： In a random polarization gas laser tube, a pair of mirrors (11,12) constituting an optical resonator have anisotropic characteristics and aligned such that directions (101,102) showing highest reflection intensity are orthogonal to each other to obtain a stable polarizing characteristics.
摘要翻译：在随机极化气体激光管中，构成光谐振器的一对反射镜具有各向异性特性，并且使得显示最高反射强度的方向彼此正交以获得稳定的偏振特性。

10. 发明授权

EP0450659B1 Random polarization gas laser tube 失效
标题翻译：气体激光管具有任意偏振。
公开(公告)号：EP0450659B1
公开(公告)日：1994-07-20
申请号：EP91105552.3
申请日：1991-04-08
申请人： NEC CORPORATION
发明人： Ishihara, Hiroyuki
IPC分类号： H01S3/034 , H01S3/086
CPC分类号： H01S3/034 , H01S3/086

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