公开(公告)号：US5016038A

公开(公告)日：1991-05-14

申请号：US494237

申请日：1990-03-15

申请人： Takeo Kobayashi ,  Takao Nishida ,  Yasushi Tabata ,  Norio Numako ,  Katsutoshi Nagai

发明人： Takeo Kobayashi ,  Takao Nishida ,  Yasushi Tabata ,  Norio Numako ,  Katsutoshi Nagai

IPC分类号： G03B7/16 ,  G03B15/05 ,  H05B41/32

CPC分类号： G03B7/16 ,  G03B15/05 ,  H05B41/32 ,  G03B2215/05

摘要： An apparatus for controlling a strobe which is used in a camera. The strobe control apparatus includes a charging time-limit selecting device for selecting one of plurality of charging times according to the operating conditions of the camera, and a charging voltage limit selecting device for selecting one of plurality of charge limit voltages according to the operating conditions of the camera. If the charged voltage of the strobe does not reach the selected charge limit voltage after the selected charging time has elapsed, charging is stopped. The strobe control apparatus also includes a charge prohibiting device for prohibiting charging if a predetermined charge prohibit time has not elapsed after charging is completed, so as to prevent damage to the strobe due to heat generated by frequent flashings. The predetermined prohibit time is changed, however, according to the sensed heat condition of the strobe.

摘要翻译： 一种用于控制在相机中使用的闪光灯的装置。 频闪控制装置包括：充电时限选择装置，用于根据相机的操作条件选择多个充电时间中的一个充电时间;以及充电电压限制选择装置，用于根据操作条件选择多个充电极限电压中的一个 的相机。 如果在所选择的充电时间过去之后，选通脉冲的充电电压未达到选定的充电极限电压，则停止充电。 频闪控制装置还包括禁止充电的充电禁止装置，如果在充电完成之后没有经过预定的充电禁止时间，以便防止由频繁闪烁产生的热量而对频闪造成的损坏。 然而，根据感测到的频闪的加热条件，改变预定的禁止时间。

公开(公告)号：US4941443A

公开(公告)日：1990-07-17

申请号：US304064

申请日：1989-01-27

申请人： Fumihiro Yamaguchi ,  Yoshiaki Sayama ,  Takao Nishida

发明人： Fumihiro Yamaguchi ,  Yoshiaki Sayama ,  Takao Nishida

IPC分类号： F02D9/02

CPC分类号： F02D9/02 ,  F02D2009/0206 ,  F02D2009/0208 ,  F05C2201/021

摘要： A governor device for an engine which is simple in construction and easy to adjust, and achieves precise and reliable control of engine speed without contacting the rotating portion of the engine. The governor device consists of a non-magnetic and electrically conductive disk which is rotated in synchronism with the engine; a swing member pivotally mounted for effecting a free-swing action thereof; a magnet mounted on said swing member and providing a magnetic field onto said disk for inducing an electromagnetic force to effect said swing action of the swing member in responsive to the rotation of said disk; a spring member for suppressing said swing action of said swing member in one direction; and a drive mechanism for operating a throttle valve of the engine in opening or closing direction in responsive to the swing action of said swing member.

摘要翻译： 一种用于发动机的调速器，其结构简单且易于调节，并且在不接触发动机的旋转部分的情况下实现精确可靠的发动机转速控制。 调速器由与发动机同步旋转的非磁性和导电盘组成， 枢转地安装用于实现其自由摆动动作的摆动构件; 安装在所述摆动构件上的磁体，并且在所述磁盘上提供磁场，以响应于所述盘的旋转而引起电磁力来实现摆动构件的所述摆动动作; 用于抑制所述摆动构件在一个方向上的摆动动作的弹簧构件; 以及驱动机构，用于响应于所述摆动构件的摆动动作来操作发动机的打开或关闭方向的节气门。

公开(公告)号：US4924149A

公开(公告)日：1990-05-08

申请号：US137329

申请日：1987-12-23

申请人： Takao Nishida ,  Takeo Kobayashi

发明人： Takao Nishida ,  Takeo Kobayashi

IPC分类号： H05B41/32

CPC分类号： H05B41/325 ,  Y10S315/04 ,  Y10S315/05

摘要： A=n apparatus is provided for controlling the charging of a main capacitor of a flash unit. Comparison means detect the timing at which a voltage V across the main capacitor reaches a reference voltage V.sub.1, at which point a flash photograph can be taken. A timer detects whether a predetermined time period has elapsed since the voltage V across the main capacitor reached the reference voltage V.sub.1 so as to stop charging the main capacitor. When the voltage V across the main capacitor drops to the reference voltage V.sub.1, as a result of the phenomenon known as "spontaneous discharge", recharging of the main capacitor occurs and the above process is repeated. When the recharging of the main capacitor has been performed over a predetermined time period or a predetermined number of times, the charging of the main capacitor is stopped. A second embodiment is disclosed wherein flash photography can occur if a predetermined value is greater than the time period that has elapsed until a shutter on a camera associated with the flash unit is operated after the voltage V across the main capacitor has reached a reference voltage V.sub.2 (which is greater than V.sub.1). If the time period is less than the predetermined value, the operation of the flash unit is inhibited so as to restart the charging of the main capacitor.