JPS6454447U - - Google Patents
Info
- Publication number
- JPS6454447U JPS6454447U JP14917887U JP14917887U JPS6454447U JP S6454447 U JPS6454447 U JP S6454447U JP 14917887 U JP14917887 U JP 14917887U JP 14917887 U JP14917887 U JP 14917887U JP S6454447 U JPS6454447 U JP S6454447U
- Authority
- JP
- Japan
- Prior art keywords
- ringer
- circuit
- tone
- power supply
- signal
- 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 3
- 230000010355 oscillation Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 4
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14917887U JPS6454447U (lt) | 1987-09-29 | 1987-09-29 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14917887U JPS6454447U (lt) | 1987-09-29 | 1987-09-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6454447U true JPS6454447U (lt) | 1989-04-04 |
Family
ID=31421171
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14917887U Pending JPS6454447U (lt) | 1987-09-29 | 1987-09-29 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6454447U (lt) |
-
1987
- 1987-09-29 JP JP14917887U patent/JPS6454447U/ja active Pending
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