JPH0566781B2 - - Google Patents
Info
- Publication number
- JPH0566781B2 JPH0566781B2 JP17972784A JP17972784A JPH0566781B2 JP H0566781 B2 JPH0566781 B2 JP H0566781B2 JP 17972784 A JP17972784 A JP 17972784A JP 17972784 A JP17972784 A JP 17972784A JP H0566781 B2 JPH0566781 B2 JP H0566781B2
- Authority
- JP
- Japan
- Prior art keywords
- handset
- speaker
- base unit
- switch
- 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 - Lifetime
Links
- 238000001514 detection method Methods 0.000 description 4
- 230000003321 amplification Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17972784A JPS6157162A (ja) | 1984-08-28 | 1984-08-28 | 増設スピ−カ付インタ−ホン装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17972784A JPS6157162A (ja) | 1984-08-28 | 1984-08-28 | 増設スピ−カ付インタ−ホン装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6157162A JPS6157162A (ja) | 1986-03-24 |
JPH0566781B2 true JPH0566781B2 (ko) | 1993-09-22 |
Family
ID=16070810
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17972784A Granted JPS6157162A (ja) | 1984-08-28 | 1984-08-28 | 増設スピ−カ付インタ−ホン装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6157162A (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3513852B2 (ja) * | 1998-03-26 | 2004-03-31 | 松下電工株式会社 | インターホン親機およびこれを使用したインターホンシステム |
-
1984
- 1984-08-28 JP JP17972784A patent/JPS6157162A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6157162A (ja) | 1986-03-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EXPY | Cancellation because of completion of term |