JPH0373090U - - Google Patents
Info
- Publication number
- JPH0373090U JPH0373090U JP13461189U JP13461189U JPH0373090U JP H0373090 U JPH0373090 U JP H0373090U JP 13461189 U JP13461189 U JP 13461189U JP 13461189 U JP13461189 U JP 13461189U JP H0373090 U JPH0373090 U JP H0373090U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- signal
- detection circuit
- output
- supplied
- 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
- 238000001514 detection method Methods 0.000 claims description 6
- 230000010355 oscillation Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13461189U JPH0728788Y2 (ja) | 1989-11-20 | 1989-11-20 | Dtmf信号の検出回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13461189U JPH0728788Y2 (ja) | 1989-11-20 | 1989-11-20 | Dtmf信号の検出回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0373090U true JPH0373090U (lt) | 1991-07-23 |
JPH0728788Y2 JPH0728788Y2 (ja) | 1995-06-28 |
Family
ID=31681937
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13461189U Expired - Lifetime JPH0728788Y2 (ja) | 1989-11-20 | 1989-11-20 | Dtmf信号の検出回路 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0728788Y2 (lt) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002327364A (ja) * | 2001-05-02 | 2002-11-15 | Unitika Ltd | 生分解性ヘッドレストカバー |
JP2013115807A (ja) * | 2011-12-01 | 2013-06-10 | Nec Corp | Dtmf信号検出装置、方法及びプログラム |
-
1989
- 1989-11-20 JP JP13461189U patent/JPH0728788Y2/ja not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002327364A (ja) * | 2001-05-02 | 2002-11-15 | Unitika Ltd | 生分解性ヘッドレストカバー |
JP2013115807A (ja) * | 2011-12-01 | 2013-06-10 | Nec Corp | Dtmf信号検出装置、方法及びプログラム |
Also Published As
Publication number | Publication date |
---|---|
JPH0728788Y2 (ja) | 1995-06-28 |