[After]

Update record (12)
Updated onUpdated pages
26 March 2000 *New [The set of kanji learned in elementary school (2)]
*New [The set of kanji learned in elementary school (1)]
*New [Japanese characters]
*New [Japanese Classroom] (Under construction)
19 March 2000 *New [3D photograph of the ultrasonic alarm(1)]
*New [Ultrasonic alarm(1) (The example which used the plastic board)]
*Update [The photograph of the ultrasonic alarm(1)] (Add photograph)
*Update [Performance evaluation of the ultrasonic alarm(1)] (Add measurement result)
*Update [Case making of the ultrasonic alarm(1)] (Add photograph)
*Update [Parts explanation of the ultrasonic alarm(1)] (Add photograph)
*Update [Expansion photograph of the ultrasonic detection unit(1)] (Add photograph)
*Update [Adjustment of the ultrasonic detection unit(1)] (Add photograph)
*Update [Parts explanation of the ultrasonic detection unit(1)] (Add photograph)
*Update [Detection unit of the ultrasonic alarm(1)] (Add photograph)
*Update [Ultrasonic Alarm(1)] (Add photograph)
12 March 2000 *New [The photograph of the ultrasonic alarm(1)] (Under construction)
*New [How to use of the ultrasonic alarm(1)]
*New [Performance evaluation of the ultrasonic alarm(1)] (Under construction)
*New [Case making of the ultrasonic alarm(1)] (Under construction)
*New [Parts explanation of the ultrasonic alarm(1)] (Under construction)
*New [Expansion photograph of the ultrasonic detection unit(1)] (Under construction)
*New [Adjustment of the ultrasonic detection unit(1)] (Under construction)
*New [Parts explanation of the ultrasonic detection unit(1)] (Under construction)
*New [Circuit explanation of the ultrasonic detection unit(1)]
*Update [Pattern drawing of the ultrasonic detection unit(1)] (Add the output holding capacitor)
*Update [Circuit drawing of the ultrasonic detection unit(1)] (Add the output holding capacitor)
5 March 2000 *New [Pattern drawing of the ultrasonic detection unit(1)] (Under construction)
*New [Circuit drawing of the ultrasonic detection unit(1)] (Under construction)
*New [Detection unit of the ultrasonic alarm(1)] (Under construction)
*New [Ultrasonic Alarm(1)] (Under construction)
27 February 2000 *New [3D photograph of the infrared sensor]
*New [Infrared Sensor (The example which used the plastic board)]
*Move [Infrared Sensor]related
*Move [The photograph of Ultrasonic Range Meter]
*Move [Performance evaluation of Ultrasonic Range Meter]
*Move [Case making of Ultrasonic Range Meter]
*Move [Parts explanation of Ultrasonic Range Meter]
20 February 2000 *New [The photograph of the infrared sensor]
*New [Performance evaluation of the infrared sensor]
*New [Case making of the infrared sensor]
*New [Expansion photograph of the infrared sensor unit]
*Update [Parts explanation of the infrared sensor] (Add photograph)
*Update [Parts explanation of the infrared sensor unit] (Add photograph)
*Update [Pattern drawing of the infrared sensor unit] (Change relay drive pattern)
*Update [Detection unit of the infrared sensor] (Add photograph)
*Update [Infrared Sensor] (Add photograph)
13 February 2000 *New [Parts explanation supplement of the infrared sensor]
*New [Parts explanation of the infrared sensor] (Under construction)
*New [Adjustment of the infrared sensor unit]
*New [Parts explanation of the infrared sensor unit] (Under construction)
*New [The frequency characteristic of the differentiation circuit and the integration circuit]
*New [The band pass filter which used the operational amplifier]
*New [Circuit explanation of the infrared sensor unit]
*New [Pattern drawing of the infrared sensor unit]
*New [Circuit drawing of the infrared sensor unit]
*New [Detection unit of the infrared sensor] (Under construction)
*New [Infrared Sensor] (Under construction)
6 February 2000 *New [3D photograph of the ultrasonic range meter]
*New [Ultrasonic Range Meter (The example which used the plastic board)]
*New [The photograph of Ultrasonic Range Meter]
*New [Performance evaluation of Ultrasonic Range Meter]
*New [Case making of Ultrasonic Range Meter]
*New [Parts explanation of Ultrasonic Range Meter]
*Update [Ultrasonic Range Meter] (Add photograph)


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