JPH03109462U - - Google Patents
Info
- Publication number
- JPH03109462U JPH03109462U JP1746590U JP1746590U JPH03109462U JP H03109462 U JPH03109462 U JP H03109462U JP 1746590 U JP1746590 U JP 1746590U JP 1746590 U JP1746590 U JP 1746590U JP H03109462 U JPH03109462 U JP H03109462U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- ringing
- monitor
- tone
- circuit
- 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
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 5
- 230000005236 sound signal Effects 0.000 claims 5
- 230000003321 amplification Effects 0.000 claims 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims 4
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990017465U JP2533760Y2 (ja) | 1990-02-23 | 1990-02-23 | モニター機能を有したインターホン親機及びこれを用いたインターホンシステム |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1990017465U JP2533760Y2 (ja) | 1990-02-23 | 1990-02-23 | モニター機能を有したインターホン親機及びこれを用いたインターホンシステム |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH03109462U true JPH03109462U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-11-11 |
JP2533760Y2 JP2533760Y2 (ja) | 1997-04-23 |
Family
ID=31520673
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1990017465U Expired - Lifetime JP2533760Y2 (ja) | 1990-02-23 | 1990-02-23 | モニター機能を有したインターホン親機及びこれを用いたインターホンシステム |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2533760Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5946057U (ja) * | 1982-09-17 | 1984-03-27 | アイホン株式会社 | モニタテレビ付インタ−ホン装置 |
JPS61146056U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1985-03-01 | 1986-09-09 | ||
JPH01146653U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1988-03-30 | 1989-10-09 |
-
1990
- 1990-02-23 JP JP1990017465U patent/JP2533760Y2/ja not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5946057U (ja) * | 1982-09-17 | 1984-03-27 | アイホン株式会社 | モニタテレビ付インタ−ホン装置 |
JPS61146056U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1985-03-01 | 1986-09-09 | ||
JPH01146653U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1988-03-30 | 1989-10-09 |
Also Published As
Publication number | Publication date |
---|---|
JP2533760Y2 (ja) | 1997-04-23 |