JPS6328554B2 - - Google Patents
Info
- Publication number
- JPS6328554B2 JPS6328554B2 JP19652682A JP19652682A JPS6328554B2 JP S6328554 B2 JPS6328554 B2 JP S6328554B2 JP 19652682 A JP19652682 A JP 19652682A JP 19652682 A JP19652682 A JP 19652682A JP S6328554 B2 JPS6328554 B2 JP S6328554B2
- Authority
- JP
- Japan
- Prior art keywords
- telephone
- circuit
- tel
- call
- line
- 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
- 238000004891 communication Methods 0.000 claims description 23
- 230000004044 response Effects 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 8
- 239000003990 capacitor Substances 0.000 description 19
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000004804 winding Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000005236 sound signal Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 2
- HEFNNWSXXWATRW-UHFFFAOYSA-N Ibuprofen Chemical compound CC(C)CC1=CC=C(C(C)C(O)=O)C=C1 HEFNNWSXXWATRW-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19652682A JPS5986393A (ja) | 1982-11-09 | 1982-11-09 | ボタン電話装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19652682A JPS5986393A (ja) | 1982-11-09 | 1982-11-09 | ボタン電話装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5986393A JPS5986393A (ja) | 1984-05-18 |
JPS6328554B2 true JPS6328554B2 (US07122547-20061017-C00273.png) | 1988-06-08 |
Family
ID=16359200
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19652682A Granted JPS5986393A (ja) | 1982-11-09 | 1982-11-09 | ボタン電話装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5986393A (US07122547-20061017-C00273.png) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0828902B2 (ja) * | 1986-11-17 | 1996-03-21 | 松下電工株式会社 | 電話システム |
JPS63163053U (US07122547-20061017-C00273.png) * | 1987-04-13 | 1988-10-25 | ||
JPH01245787A (ja) * | 1988-03-28 | 1989-09-29 | Matsushita Electric Works Ltd | 家庭用電話交換システム |
-
1982
- 1982-11-09 JP JP19652682A patent/JPS5986393A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5986393A (ja) | 1984-05-18 |
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