JPS6143903B2 - - Google Patents
Info
- Publication number
- JPS6143903B2 JPS6143903B2 JP6732577A JP6732577A JPS6143903B2 JP S6143903 B2 JPS6143903 B2 JP S6143903B2 JP 6732577 A JP6732577 A JP 6732577A JP 6732577 A JP6732577 A JP 6732577A JP S6143903 B2 JPS6143903 B2 JP S6143903B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- telephone
- detection circuit
- switch
- response
- 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 32
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000003213 activating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000005236 sound signal Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6732577A JPS543409A (en) | 1977-06-09 | 1977-06-09 | Remote control automatic answer recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6732577A JPS543409A (en) | 1977-06-09 | 1977-06-09 | Remote control automatic answer recorder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS543409A JPS543409A (en) | 1979-01-11 |
| JPS6143903B2 true JPS6143903B2 (US06650917-20031118-M00005.png) | 1986-09-30 |
Family
ID=13341748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6732577A Granted JPS543409A (en) | 1977-06-09 | 1977-06-09 | Remote control automatic answer recorder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS543409A (US06650917-20031118-M00005.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5272784A (en) * | 1991-08-12 | 1993-12-28 | Levin Samuel N | Toothbrush handle |
-
1977
- 1977-06-09 JP JP6732577A patent/JPS543409A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS543409A (en) | 1979-01-11 |
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