CLEAN ROOM ENTRANCE-CONTROLLING METHOD, CLEAN ROOM ENTRANCE-CONTROLLING SYSTEM AND AIR SHOWER SYSTEM

PROBLEM TO BE SOLVED: To simplify a clean room entrance-controlling system capable of removing dust efficiently. SOLUTION: When doors 7 and 6 are closed at the time when a room-entering person 4 carrying a non-contact type ID card 11 enters an air shower room 1, reader-writers 12a and 12b start to o...

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Bibliographische Detailangaben
Hauptverfasser:	OKUYAMA HIROFUMI, KONNO TETSUO
Format:	Patent
Sprache:	eng
Schlagworte:	AIR-CONDITIONING, AIR-HUMIDIFICATION, VENTILATION, USE OF AIRCURRENTS FOR SCREENING BLASTING CALCULATING COMPUTING COUNTING HANDLING RECORD CARRIERS HEATING LIGHTING MECHANICAL ENGINEERING PHYSICS PRESENTATION OF DATA RANGES RECOGNITION OF DATA RECORD CARRIERS VENTILATING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To simplify a clean room entrance-controlling system capable of removing dust efficiently. SOLUTION: When doors 7 and 6 are closed at the time when a room-entering person 4 carrying a non-contact type ID card 11 enters an air shower room 1, reader-writers 12a and 12b start to operate periodically. When the reader- writers 12a and 12b receive the identification signal transmitted from the non- contact type ID card 11 continuously, whether the different identification information of the received identification information exceeds the allowable number of people for dust removal of the air shower device 2 stored in a memory 13b is checked. If it exceeds, a warning is given on a display part 10. Also, a warning sound is given by an alarm part 16.