JPS6151454B2 - - Google Patents
Info
- Publication number
- JPS6151454B2 JPS6151454B2 JP56048058A JP4805881A JPS6151454B2 JP S6151454 B2 JPS6151454 B2 JP S6151454B2 JP 56048058 A JP56048058 A JP 56048058A JP 4805881 A JP4805881 A JP 4805881A JP S6151454 B2 JPS6151454 B2 JP S6151454B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- logic control
- control circuit
- circuit
- call
- 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
- 230000005540 biological transmission Effects 0.000 claims description 34
- 238000001514 detection method Methods 0.000 claims description 29
- 230000007257 malfunction Effects 0.000 claims description 12
- 230000002265 prevention Effects 0.000 claims 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005236 sound signal Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/82—Line monitoring circuits for call progress or status discrimination
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56048058A JPS57162846A (en) | 1981-03-31 | 1981-03-31 | Radio telephone set |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56048058A JPS57162846A (en) | 1981-03-31 | 1981-03-31 | Radio telephone set |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57162846A JPS57162846A (en) | 1982-10-06 |
JPS6151454B2 true JPS6151454B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1986-11-08 |
Family
ID=12792736
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56048058A Granted JPS57162846A (en) | 1981-03-31 | 1981-03-31 | Radio telephone set |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57162846A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6069921A (ja) * | 1983-09-27 | 1985-04-20 | Matsushita Electric Ind Co Ltd | コ−ドレス電話 |
JPS62115930A (ja) * | 1985-11-14 | 1987-05-27 | Matsushita Electric Ind Co Ltd | 無線電話装置の終話方法 |
JP2910844B2 (ja) * | 1996-12-27 | 1999-06-23 | 松下電器産業株式会社 | 無線電話装置 |
-
1981
- 1981-03-31 JP JP56048058A patent/JPS57162846A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS57162846A (en) | 1982-10-06 |