JP4482376B2 - 警報発生装置 - Google Patents
警報発生装置 Download PDFInfo
- Publication number
- JP4482376B2 JP4482376B2 JP2004160711A JP2004160711A JP4482376B2 JP 4482376 B2 JP4482376 B2 JP 4482376B2 JP 2004160711 A JP2004160711 A JP 2004160711A JP 2004160711 A JP2004160711 A JP 2004160711A JP 4482376 B2 JP4482376 B2 JP 4482376B2
- Authority
- JP
- Japan
- Prior art keywords
- alarm
- frequency
- sound pressure
- khz
- high frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000001514 detection method Methods 0.000 description 8
- 230000004044 response Effects 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Images
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- Alarm Systems (AREA)
Description
AH 高周波数帯域
VLMAX 低周波帯域における最大音圧
Claims (4)
- 警報音を発生させる警報発生装置であって、
当該警報発生装置が発生する全ての警報音は、高齢者に対して聞き取りやすい2kHz以下の低周波数と、音圧が確保できる2kHzより高い周波数であって、2kHz以下の低周波数帯域における最大音圧より高い音圧が得られる高周波数と、を交互に繰り返し出力することにより発生されることを特徴とする警報発生装置。 - 請求項1記載の警報発生装置であって、
前記高周波数は、2kHzより高い高周波数帯域において最大音圧が得られる周波数付近であることを特徴とする警報発生装置。 - 請求項1記載の警報発生装置であって、
前記高周波数は、2kHzより高い高周波数帯域において70dB/m以上の音圧が得られる周波数であることを特徴とする警報発生装置。 - 請求項1〜3何れか1項記載の警報発生装置であって、
前記低周波数及び前記高周波数を含んだ所定周波数帯域の全領域に亘って周波数を変化させて、前記警報音を発生することを特徴とする警報発生装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004160711A JP4482376B2 (ja) | 2004-05-31 | 2004-05-31 | 警報発生装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004160711A JP4482376B2 (ja) | 2004-05-31 | 2004-05-31 | 警報発生装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005339435A JP2005339435A (ja) | 2005-12-08 |
JP4482376B2 true JP4482376B2 (ja) | 2010-06-16 |
Family
ID=35492904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004160711A Expired - Lifetime JP4482376B2 (ja) | 2004-05-31 | 2004-05-31 | 警報発生装置 |
Country Status (1)
Country | Link |
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JP (1) | JP4482376B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009104496A (ja) * | 2007-10-25 | 2009-05-14 | Nohmi Bosai Ltd | 火災警報器 |
JP5186199B2 (ja) * | 2007-12-25 | 2013-04-17 | ホーチキ株式会社 | 警報器 |
JP5123105B2 (ja) * | 2008-08-25 | 2013-01-16 | ホーチキ株式会社 | 警報器 |
JP5123106B2 (ja) * | 2008-08-25 | 2013-01-16 | ホーチキ株式会社 | 警報器 |
JP2016018530A (ja) * | 2014-07-11 | 2016-02-01 | ヤマトプロテック株式会社 | 火災警報器 |
-
2004
- 2004-05-31 JP JP2004160711A patent/JP4482376B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2005339435A (ja) | 2005-12-08 |
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