公开(公告)号：US4054936A

公开(公告)日：1977-10-18

申请号：US667359

申请日：1976-03-16

申请人： Yasuhiro Ansai ,  Hideo Mifune ,  Kenroku Tani

发明人： Yasuhiro Ansai ,  Hideo Mifune ,  Kenroku Tani

IPC分类号： F23Q3/00

CPC分类号： F23Q3/002

摘要： A small-sized gas ignition device comprising a self-oscillation circuit, a piezo-electric transformer which steps up the output of the self-oscillation circuit, a capacitor which accumulates the output voltage of the piezo-electric transformer, and a discharging gap which is connected in parallel with the capacitor and is adapted to discharge the accumulated voltage for performing gas ignition. With this device gas ignition is obtained with certainty by single operation requiring only a light touch.

摘要翻译： 一种小型燃气点火装置，包括自振荡电路，升压自振荡电路的输出的压电变压器，积压压电变压器的输出电压的电容器和放电间隙， 与电容器并联连接，适于对累积电压进行放电以进行点火。 使用该装置，通过单次操作确实获得气体点火，仅需要轻微的触摸。

公开(公告)号：US4112420A

公开(公告)日：1978-09-05

申请号：US703291

申请日：1976-07-07

申请人： Hideo Mifune ,  Kenroku Tani ,  Toyota Noguchi

发明人： Hideo Mifune ,  Kenroku Tani ,  Toyota Noguchi

IPC分类号： G08B13/04 ,  G08B13/16

CPC分类号： G08B13/04 ,  G08B13/1609

摘要： A piezoelectric transducer is secured to the surface of a glass sheet to translate mechanical vibrations generated in the glass sheet into an electrical signal when a crack is produced. A detection circuit is connected to the transducer to determine whether the frequency of the signal is above or below a predetermined value. If the frequency is higher than the predetermined value, a warning signal is derived to indicate a crack and therefore probably a burglary. Alternatively, the piezoelectric transducer in the transmit mode is excited electrically by an impulse to introduce an elastic wave into the glass sheet. A gate circuit is connected to the transducer to pass signals resulting from reflection of the elastic wave from discontinuities in the glass sheet which result from a crack. The reflected crack indicating signals are passed through the gate to the transducer when it is in the receive mode.

摘要翻译： 当产生裂纹时，压电传感器固定在玻璃板的表面上，以将玻璃板中产生的机械振动转化为电信号。 检测电路连接到换能器，以确定信号的频率是高于还是低于预定值。 如果频率高于预定值，则导出警告信号以指示裂缝，因此可能是盗窃。 或者，发射模式中的压电换能器通过脉冲电激励，以将弹性波引入到玻璃板中。 门电路连接到换能器，以将由弹性波的反射产生的信号传递到由裂纹产生的玻璃板中的不连续性。 当反射裂纹指示信号处于接收模式时，反射的裂纹指示信号通过栅极传递到传感器。

公开(公告)号：US4403166A

公开(公告)日：1983-09-06

申请号：US413338

申请日：1982-08-19

申请人： Fumio Tanaka ,  Kenroku Tani ,  Hideo Mifune

发明人： Fumio Tanaka ,  Kenroku Tani ,  Hideo Mifune

IPC分类号： H01H57/00 ,  H01L41/08

CPC分类号： H01H57/00

摘要： The invention relates to a piezoelectric relay in which a bimorph is used as a flexible element. First, second and third relay contacts (14), (14') and (14") are disposed coplanar with the third relay contact sandwiched between the first and second relay contacts. First and second flexible members (11) and (11'), each of which is supported as a cantilever, are displaced in directions opposite to each other when an electric field is applied to one. The first flexible member (11) displaces the first and second relay contacts (14) and (14'), and the second flexible member (11') displaces the third relay contact (14"). Thus, the first and third relay contacts (14) and (14") and the second and the third relay contacts (14') and (14") are turned on or off in response to the different polarities of the applied electric field.

摘要翻译： PCT No.PCT / JP81 / 00389 Sec。 371日期1982年8月19日 102（e）日期1982年8月19日PCT 1991年12月16日PCT PCT。 出版物WO82 / 02282 日本1982年7月8日。本发明涉及一种压电继电器，其中双压电晶片用作柔性元件。 首先，第二和第三继电器触点（14），（14'）和（14“）与夹在第一和第二继电器触点之间的第三继电器触点共面设置。 当施加电场时，第一和第二柔性构件（11）和（11'）各自作为悬臂被支撑，在彼此相反的方向上移位。 第一柔性构件（11）使第一和第二继电器触点（14）和（14'）移位，并且第二柔性构件（11'）移动第三继电器触点（14“）。 因此，响应于所施加的电的不同极性，第一和第三继电器触点（14）和（14“）以及第二和第三继电器触点（14'）和（14”）被接通或断开 领域。

公开(公告)号：US4019072A

公开(公告)日：1977-04-19

申请号：US558627

申请日：1975-03-17

申请人： Hideo Mifune ,  Kenroku Tani ,  Tomohiko Niikawa

发明人： Hideo Mifune ,  Kenroku Tani ,  Tomohiko Niikawa

IPC分类号： G01F23/22 ,  G01F23/18 ,  G01L9/08 ,  H01L41/04

CPC分类号： G01F23/18 ,  G01L9/08

摘要： A piezoelectric pressure sensor for detecting the amount of oil in an engine oil pan of an automobile, and liquid level or the amount of liquid such as water level in a water bath, makes use of the phenomenon that an impedance of an excited piezoelectric element varies between in a gas and in a liquid. The pressure sensor is insensitive to surrounding temperature, and has high response and is of simple construction.

摘要翻译： 用于检测汽车的发动机油盘中的油量的液压压力传感器以及水浴中的液位或液面等水位的量，利用了激励的压电元件的阻抗变化的现象 在气体和液体之间。 压力传感器对周围环境温度不敏感，响应速度快，结构简单。

公开(公告)号：US4052627A

公开(公告)日：1977-10-04

申请号：US674239

申请日：1976-04-06

申请人： Daishiro Hayakawa ,  Kenroku Tani

发明人： Daishiro Hayakawa ,  Kenroku Tani

IPC分类号： H04R17/00 ,  B06B1/06 ,  H04R17/02 ,  H04R17/10

CPC分类号： H04R17/02 ,  B06B1/0603

摘要： An ultrasonic ceramic microphone having a wide operating frequency range, including piezoelectric ceramic plates disposed on upper and lower surfaces of a metal plate, wherein the ultrasonic ceramic microphone is operated near two or three adjacent resonance frequencies and in a frequency band covering those resonance frequencies, of a fundamental wave and respective higher order harmonics of the deflection vibration of a transducer comprising the metal plate and the pair of piezoelectric ceramic plates.

公开(公告)号：US4492928A

公开(公告)日：1985-01-08

申请号：US272919

申请日：1981-06-12

申请人： Daishiro Hayakawa ,  Masao Akimoto ,  Katsumi Narita ,  Kenroku Tani

发明人： Daishiro Hayakawa ,  Masao Akimoto ,  Katsumi Narita ,  Kenroku Tani

IPC分类号： H04N9/78 ,  H03H9/30 ,  H03H9/36 ,  H03H9/46 ,  H03H11/04 ,  H03F3/68 ,  H04B11/00

CPC分类号： H03H11/04 ,  H03H9/30 ,  H03H9/36

摘要： Comb filter having a comb like band pass characteristic curve by using an ultrasonic delay line (9) is improved to reduce its size. An input signal is given through an impedance element 13 to a single terminal 10a of an improved delay line 9, wherein the single terminal serves as the input terminal and at the same time as the output terminal. Signals at both ends of the impedance element 13 are given to a mixing circuit 15 for summing or subtracting thereby. In the improved delay line 9, the ultrasonic wave radiated from the input terminal travels twice the conventional delay line and comes back to the original terminal, and thereby a sufficient propagation distance is obtainable in a small delay line.

摘要翻译： 通过使用超声波延迟线（9）具有梳状带通特性曲线的梳状滤波器被改进以减小其尺寸。 输入信号通过阻抗元件13提供给改进的延迟线9的单个端子10a，其中单个端子用作输入端子并且与输出端子同时工作。 将阻抗元件13的两端的信号提供给混合电路15，从而进行求和。 在改进的延迟线9中，从输入端子辐射的超声波行走传统延迟线的两倍，并返回到原始端子，从而在较小的延迟线上获得足够的传播距离。