한국   대만   중국   일본 
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???????? [1] [2] ?? ????????? [3] ?? ???????? [1] [3] ?? ???????? [1] ?? ???????? [3] ?? ???????? [3] (??????????? Buzzer) ???? ???? ?????? ?????????? ??? ??? ????? [4] ? ? ?? ?????? ??????? ?????? ?? ???????? ? ????? ??????? ??????? ??????? ????? ????? ?????? ?? ?????? ?????????? ???? ?????? ???????? ??? ??? 6-12 ???? ?? ???? ???? ????? ????? 25 ???? ????? .

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????? ??? ???? ??????? ??? 1831 ??? ?? ?????? ???????? ????? ???? . ??? ???? ?????? ???????? ?? ??????? ??????????? ???????. [5]

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???? ??????? ????? ?? ???? ????? ??????? ?? ???????? ????? ????? ???????? ?????? ???? ?? ??? ????? ????? ??? ??????? ????????. ???? ?????? ??????? ???? ??? ?????? ??? 85 dB/cm .

???? ???? ??? ????? ?????? ??????? ????? ???? ??? ?????? ?? 3v ??? 28v? ??? ???????. ???? ????? ???? ???? 6v ??? ???? ???? ??? ???? ?????? ??? 4v ??? 8v.(???? ??? ??????? ??????? ?? ??? ?????? ??? ?? ???? ??????)

???? ???? ?????? ???? ?????? ??? ???? ?????? ???????? 220v.

???? ??????? [ ??? ]

???? ( ???? ) ??????? ????? ?? ???? ??????? ?? ????? ????? ????? ???????? ??????? ??????????.????? ???? ?????? ??????? ??? ????????? (3v ??? 30v ????) ???? ????? ?? ???????? ???? ?? ??????? ??????? ????? ??????.

????? ???? ????? ??? ???????????? ?????? (1 kHz ??? 5KHz ?????)? ??? ????? ???? ????? ????? ???? ????? ? ????? ??? ??? ?????? ???????? ?????? ?????? ?? ???????? ????????????. ??? ????? ??? ??? ???? ??????????? ????? ? ????? ??? ??????? ??? ?????? ?? ????? ??? ????? ????? ???? ??? ????? ????? ?????? ???????.

???? ??????? ?????? ????? [ ??? ]

?????? ????? ?? ????? ?? ???? ????? ??? ?? ?????? ????????? ??????? ?????????? (?????? ?????? ???????)? ??? ???? ???? ??? ??? ????? (????? ????? ??? 3v ? 20v) ????? ???? ??? 10mA ? 30mA. ????? ??????? ?????? ???? ????? ??? ????? ?????? ????.

??? ???????? ??? ??????? ??????? ???? ??? ?????? ?? ??? ???? ?????? ??? ????? (????? ?????).

???????? [ ??? ]

???????? ??? ??????? ????? ?? ????? ???? ?? ???? ?????? ??????????? ????? ???????? ??????? ?????????? ??????????,, ??????? ??? ?????? ???? ??????? ??? ????? ??? ??????? ?? ??? ???????.

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  1. ^ ? ? ? ???? ???? ?????? (2018). ???? ????????? ??????? ??????? ????????? ??????: ??????? - ???? ???? ??????? (???????? ???????????) (?. 1). ?????: ????? ????? ?????? . ?. 99. ISBN : 978-9953-33-197-3 . OCLC : 1043304467 . OL : 19871709M . QID : Q12244028 .
  2. ^ ???? ???????? ? ???? ???????? (2008). ?????? ??????: ????? ??????? ???? (???????? ???????????) (?. 1). ?????: ??? ????? ???????? . ?. 175. ISBN : 978-9953-63-541-5 . OCLC : 405515532 . OL : 50197876M . QID : Q112315598 .
  3. ^ ? ? ? ? ??? ???? ?????? (1999)? ?????? ??????: ???? ????? ?????????? ?????????? ????????? ???????? ??????? ???? ???? ??????? ???????? ??????? (???????? ???????????) (?. 2)? ?????: ????? ????? ?????? ? ?. 173? OCLC : 1039055899 ? QID : Q117808099
  4. ^ "buzzer - definition of buzzer by The Free Dictionary" ???? ?????? 27 ????? 2018 ??? ???? ??? ??? ???? .
  5. ^ The History of the Doorbell by 1800doorbell.com ". www.1800doorbell.com" . ???? ?????? 27 ?????? 2015 ??? ???? ??? ??? ???? .
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