JPS643247Y2 - - Google Patents
Info
- Publication number
- JPS643247Y2 JPS643247Y2 JP14953483U JP14953483U JPS643247Y2 JP S643247 Y2 JPS643247 Y2 JP S643247Y2 JP 14953483 U JP14953483 U JP 14953483U JP 14953483 U JP14953483 U JP 14953483U JP S643247 Y2 JPS643247 Y2 JP S643247Y2
- Authority
- JP
- Japan
- Prior art keywords
- line
- relay
- contact
- telephone
- self
- 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
- 239000003990 capacitor Substances 0.000 claims description 19
- 101000785063 Homo sapiens Serine-protein kinase ATM Proteins 0.000 description 8
- 102100039580 Transcription factor ETV6 Human genes 0.000 description 8
- 238000010586 diagram Methods 0.000 description 3
- 101000597183 Homo sapiens Telomere length regulation protein TEL2 homolog Proteins 0.000 description 2
- 101001057127 Homo sapiens Transcription factor ETV7 Proteins 0.000 description 2
- 102100027263 Transcription factor ETV7 Human genes 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Landscapes
- Devices For Supply Of Signal Current (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14953483U JPS6059660U (ja) | 1983-09-29 | 1983-09-29 | 電話機の回線切換回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14953483U JPS6059660U (ja) | 1983-09-29 | 1983-09-29 | 電話機の回線切換回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6059660U JPS6059660U (ja) | 1985-04-25 |
| JPS643247Y2 true JPS643247Y2 (en, 2012) | 1989-01-27 |
Family
ID=30331914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14953483U Granted JPS6059660U (ja) | 1983-09-29 | 1983-09-29 | 電話機の回線切換回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6059660U (en, 2012) |
-
1983
- 1983-09-29 JP JP14953483U patent/JPS6059660U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6059660U (ja) | 1985-04-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4218590A (en) | Key telephone system having automatic exclusion circuit for line privacy | |
| JPS643247Y2 (en, 2012) | ||
| US4551582A (en) | Circuit for automatically releasing holding state of telephone system | |
| JPH0332125Y2 (en, 2012) | ||
| JPS643246Y2 (en, 2012) | ||
| JPS6159595B2 (en, 2012) | ||
| JPS61121594A (ja) | 局線・回線インタフエ−ス回路 | |
| US1349381A (en) | Automatic telephone system | |
| JPS6343958B2 (en, 2012) | ||
| JPS584875B2 (ja) | 夜間切替時の局線トランク使用中表示方式 | |
| JPS61171297A (ja) | 外線転送方式 | |
| JPS5811087Y2 (ja) | 留守電話応待装置の多回線保護装置 | |
| JP2739537B2 (ja) | 停電切替回路 | |
| JPS6361822B2 (en, 2012) | ||
| JPS6121888Y2 (en, 2012) | ||
| JPH029255A (ja) | 中継台閉塞方式 | |
| JPH0157861B2 (en, 2012) | ||
| JPS6129182B2 (en, 2012) | ||
| JPH0314859Y2 (en, 2012) | ||
| US3066194A (en) | Alarm signal means | |
| JPH018061Y2 (en, 2012) | ||
| JPS61114639A (ja) | 電話局線の選択切替装置 | |
| JP2514899Y2 (ja) | パルスダイヤル回路を備えた電話回線端末機器 | |
| JPS5915597B2 (ja) | 電話交換装置における停電切換回路 | |
| JPS59229960A (ja) | 着信転送方式 |