JPH01126750U - - Google Patents
Info
- Publication number
- JPH01126750U JPH01126750U JP2352388U JP2352388U JPH01126750U JP H01126750 U JPH01126750 U JP H01126750U JP 2352388 U JP2352388 U JP 2352388U JP 2352388 U JP2352388 U JP 2352388U JP H01126750 U JPH01126750 U JP H01126750U
- Authority
- JP
- Japan
- Prior art keywords
- measured
- audio signal
- microphone
- speaker
- measuring device
- 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.)
- Granted
Links
- 230000005236 sound signal Effects 0.000 claims 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2352388U JPH0646120Y2 (ja) | 1988-02-24 | 1988-02-24 | 音響測定装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2352388U JPH0646120Y2 (ja) | 1988-02-24 | 1988-02-24 | 音響測定装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01126750U true JPH01126750U (en]) | 1989-08-30 |
JPH0646120Y2 JPH0646120Y2 (ja) | 1994-11-24 |
Family
ID=31242583
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2352388U Expired - Lifetime JPH0646120Y2 (ja) | 1988-02-24 | 1988-02-24 | 音響測定装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0646120Y2 (en]) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011077575A (ja) * | 2009-09-29 | 2011-04-14 | Nec Infrontia Corp | 通報装置及び通報システム |
-
1988
- 1988-02-24 JP JP2352388U patent/JPH0646120Y2/ja not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011077575A (ja) * | 2009-09-29 | 2011-04-14 | Nec Infrontia Corp | 通報装置及び通報システム |
Also Published As
Publication number | Publication date |
---|---|
JPH0646120Y2 (ja) | 1994-11-24 |