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NON-ELECTRIC RAZORS
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Technical Examples
- A circuit inspection method includes supplying electric charges to a first, second, and third electric charge holding electrodes in an electric circuit; outputting the electric charges held in the first electric charge holding electrode after a predetermined period of time from supplying of the electric charges; changing voltages of the first and second scan lines to a drive voltage to output the electric charges held in the second electric charge holding electrode; and determining whether an electric charge writing function and an electric charge holding function of the second electric charge holding electrode are good or not based on a quantity of the supplied electric charges and a quantity of the electric charges output from the second electric charge holding electrode.
- A piezo-electric speaker ensures a uniform sound in a broad band and can easily reproduce a signal of large amplitude or sound. A piezo-electric speaker has a piezo-electric member to generate a vibration according to an electric signal applied thereto. A piezo-electric vibration plate converts the vibration to a sound. The piezo-electric vibration plate is positioned closely to the piezo-electric member. The piezo-electric vibration plate is divided into parts of any configuration and is connected to the piezo-electric member.
- A layer formation method is disclosed which comprises supplying gas to a discharge space, exciting the supplied gas at atmospheric pressure or at approximately atmospheric pressure by applying a high frequency electric field across the discharge space, and exposing a substrate to the excited gas, wherein the high frequency electric field is an electric field in which a first high frequency electric field and a second high frequency electric field are superposed, frequency ?2 of the second high frequency electric field is higher than frequency ?1 of the first high frequency electric field, strength V1 of the first high frequency electric field, strength V2 of the second high frequency electric field and strength IV of discharge starting electric field satisfy relationship V1?IV>V2 or V1>IV?V2, and power density of the second high frequency electric field is not less than 1 W/cm
- An electric circuit module comprising: an electric device comprising an electric circuit to serve for passage and interruption of electric current, a packing material packing the electric circuit and a plurality of wiring members to electrically connect the electric circuit with an external circuit; and a heat sink to radiate heat from the electric device. The electric circuit module includes a fixture to fix the heat sink and the electric device together so that a heat radiating surface of the electric device comes into contact with the heat sink. The fixture is formed with a recess to accommodate therein a part of the electric device so that the heat radiating surface of the electric device is exposed from the fixture. When the electric device is fixed to the heat sink by the fixture, the heat radiating surface comes into contact with the heat sink.
- A piezo-electric speaker capable of easily ensuring a uniform broad-band sound pressure and reproducing a large acoustic signal has a piezo-electric member (10) to generate vibration in accordance with an applied electric signal. A piezo-electric vibration plate (15) is adhered to the piezo-electric member (10). The piezo-electric vibration plate (15) converts the vibration to sound. The thickness of the piezo-electric vibration plate (15) is formed so as to be different in accordance with the distance from the vibration center of the piezo-electric member (10).
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