公开(公告)号：US3846644A

公开(公告)日：1974-11-05

申请号：US37559373

申请日：1973-07-02

申请人： TOKAI RIKA CO LTD

发明人： TAKAGI S ,  KAWASHIMA I ,  TAKAGI K ,  HIBINO S

IPC分类号： G08B3/10 ,  H02M3/135 ,  H03K3/352 ,  H03K17/72 ,  H03K17/04 ,  H03K17/26

CPC分类号： H03K3/352 ,  G08B3/10 ,  H02M3/135

摘要： An intermittently driving circuit for a load such as a buzzer or a bell which by itself interrupts a current flowing therethrough. An SCR is connected in series with the load and a charge-anddischarge circuit including a capacitor is connected between a gate and a cathode of the SCR. The SCR is turned on after a charging period of the charge-and-discharge circuit for driving the load, while it is turned off after a discharging period of the charge-and-discharge circuit by the current interrupting operation of the load to stop driving of the load.

摘要翻译： 用于诸如蜂鸣器或铃的负载的间歇驱动电路，其本身中断其中流过的电流。 SCR与负载串联连接，并且包括电容器的充放电电路连接在SCR的栅极和阴极之间。 在用于驱动负载的充放电电路的充电周期之后，在通过负载的电流中断操作在充放电电路的放电周期之后关断SCR以停止驱动时，SCR被接通 的负载。

公开(公告)号：US3809927A

公开(公告)日：1974-05-07

申请号：US23957272

申请日：1972-03-30

申请人： TOKAI RIKA CO LTD

发明人： TAKAGI K ,  MIWA H

IPC分类号： H03K17/28 ,  H03K17/26

CPC分类号： H03K17/28

摘要： A timer apparatus includes a timer circuit utilizing the charging and discharging of a capacitor. The timer circuit comprises a timing capacitor adapted to charge in the direction for cutting-off a transistor at the setting time, a switch adapted to apply the voltage in the direction for discharging of said capacitor, and a transistor adapted to be turned conductive after a given time from the commencement of discharging. Said timer has excellent temperature and voltage characteristics without employing a Zener diode and FET, is hardly affected by the D.C. current amplification factor of said transistor and the open-circuit voltage of a relay and can determine a set time to be several seconds through dozens of minutes.

摘要翻译： 定时器装置包括利用电容器的充电和放电的定时器电路。 定时器电路包括适于在设定时刻向晶体管方向充电的定时电容器，适于在所述电容器放电方向施加电压的开关，以及适于在所述电容器之后导通的晶体管 给予时间从开始放电。 所述定时器在不使用齐纳二极管和FET的情况下具有优异的温度和电压特性，几乎不受所述晶体管的直流电流放大系数和继电器的开路电压的影响，并且可以通过几十个 分钟。

公开(公告)号：US3771370A

公开(公告)日：1973-11-13

申请号：US3771370D

申请日：1971-12-17

申请人： TOKAI RIKA CO LTD

发明人： TAKAGI K ,  KATO T

IPC分类号： G01P15/135 ,  H01H35/06 ,  G01P15/08

CPC分类号： G01P15/135 ,  H01H35/06

摘要： A sensor for a positive or negative acceleration responsive switch for detecting an acceleration exceeding a predetermined level applied to a moving body. A bowl having a reverse conical wall at its upper peripheral surface is mounted horizontally to the moving body, and a turning coil which forms a part of an oscillator circuit is disposed at the lower portion of the bowl. Within the bowl, a conductive medium such as metallic ball or conductive liquid, e.g., mercury is placed so that it is displaced under an acceleration applied in any horizontal direction. The acceleration may be detected based on the distance of the conductive medium from the tuning coil.

摘要翻译： 一种用于正或负加速度响应开关的传感器，用于检测超过施加到移动体的预定水平的加速度。 在其上周面具有倒锥形的碗水平地安装在移动体上，形成振荡器电路的一部分的转动线圈设置在碗的下部。 在碗内，放置诸如金属球或导电液体（例如汞）的导电介质，使其在任何水平方向施加的加速度下移位。 可以基于导电介质与调谐线圈的距离来检测加速度。