JPH0346265U - - Google Patents
Info
- Publication number
- JPH0346265U JPH0346265U JP10644689U JP10644689U JPH0346265U JP H0346265 U JPH0346265 U JP H0346265U JP 10644689 U JP10644689 U JP 10644689U JP 10644689 U JP10644689 U JP 10644689U JP H0346265 U JPH0346265 U JP H0346265U
- Authority
- JP
- Japan
- Prior art keywords
- hook
- telephone line
- telephone
- switch
- detection means
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 5
- 230000005236 sound signal Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10644689U JPH0346265U (de) | 1989-09-11 | 1989-09-11 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10644689U JPH0346265U (de) | 1989-09-11 | 1989-09-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0346265U true JPH0346265U (de) | 1991-04-30 |
Family
ID=31655175
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10644689U Pending JPH0346265U (de) | 1989-09-11 | 1989-09-11 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0346265U (de) |
-
1989
- 1989-09-11 JP JP10644689U patent/JPH0346265U/ja active Pending
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH0346265U (de) | ||
JPH0348999U (de) | ||
JPH0394865U (de) | ||
JPH01139657U (de) | ||
JPS62119043U (de) | ||
JP3033119B2 (ja) | インターホン呼出し音切替え回路 | |
JPS6473950A (en) | Telephone system | |
JPH0411401Y2 (de) | ||
JPH0448747U (de) | ||
JPH0361746U (de) | ||
JPH0354452Y2 (de) | ||
JPS6257446U (de) | ||
JPS63287237A (ja) | 電話機の着信信号音送出器 | |
JPH0453343U (de) | ||
JPH01107250U (de) | ||
JPS625766U (de) | ||
JPS6444743U (de) | ||
JPH03120159U (de) | ||
JPH02147993U (de) | ||
JPH0419848U (de) | ||
JPH0410445U (de) | ||
JPH02106744U (de) | ||
JPS6338438U (de) | ||
JPS6454449U (de) | ||
JPH044451U (de) |