JPH0370453U - - Google Patents
Info
- Publication number
- JPH0370453U JPH0370453U JP13074189U JP13074189U JPH0370453U JP H0370453 U JPH0370453 U JP H0370453U JP 13074189 U JP13074189 U JP 13074189U JP 13074189 U JP13074189 U JP 13074189U JP H0370453 U JPH0370453 U JP H0370453U
- Authority
- JP
- Japan
- Prior art keywords
- modulator
- modulation frequency
- recording
- telephone
- demodulator
- 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
- 238000010586 diagram Methods 0.000 description 1
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13074189U JPH0370453U (en, 2012) | 1989-11-09 | 1989-11-09 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13074189U JPH0370453U (en, 2012) | 1989-11-09 | 1989-11-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0370453U true JPH0370453U (en, 2012) | 1991-07-15 |
Family
ID=31678293
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13074189U Pending JPH0370453U (en, 2012) | 1989-11-09 | 1989-11-09 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0370453U (en, 2012) |
-
1989
- 1989-11-09 JP JP13074189U patent/JPH0370453U/ja active Pending
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