JPS5469307A - Loudspeaking telephone set - Google Patents
Loudspeaking telephone setInfo
- Publication number
- JPS5469307A JPS5469307A JP13706777A JP13706777A JPS5469307A JP S5469307 A JPS5469307 A JP S5469307A JP 13706777 A JP13706777 A JP 13706777A JP 13706777 A JP13706777 A JP 13706777A JP S5469307 A JPS5469307 A JP S5469307A
- Authority
- JP
- Japan
- Prior art keywords
- telephone set
- loudspeaking telephone
- loudspeaking
- telephone
- 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.)
- Granted
Links
Landscapes
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52137067A JPS5824063B2 (en) | 1977-11-14 | 1977-11-14 | public address telephone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP52137067A JPS5824063B2 (en) | 1977-11-14 | 1977-11-14 | public address telephone |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5469307A true JPS5469307A (en) | 1979-06-04 |
JPS5824063B2 JPS5824063B2 (en) | 1983-05-19 |
Family
ID=15190114
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52137067A Expired JPS5824063B2 (en) | 1977-11-14 | 1977-11-14 | public address telephone |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5824063B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5776938A (en) * | 1980-10-30 | 1982-05-14 | Toa Tokushu Denki Kk | Interphone |
JPS62154839A (en) * | 1985-12-26 | 1987-07-09 | Toa Tokushu Denki Kk | Conference telephone equipment |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4866310A (en) * | 1971-12-08 | 1973-09-11 | ||
JPS5019304A (en) * | 1973-06-14 | 1975-02-28 |
-
1977
- 1977-11-14 JP JP52137067A patent/JPS5824063B2/en not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4866310A (en) * | 1971-12-08 | 1973-09-11 | ||
JPS5019304A (en) * | 1973-06-14 | 1975-02-28 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5776938A (en) * | 1980-10-30 | 1982-05-14 | Toa Tokushu Denki Kk | Interphone |
JPH0124391B2 (en) * | 1980-10-30 | 1989-05-11 | Toa Electric Co Ltd | |
JPS62154839A (en) * | 1985-12-26 | 1987-07-09 | Toa Tokushu Denki Kk | Conference telephone equipment |
Also Published As
Publication number | Publication date |
---|---|
JPS5824063B2 (en) | 1983-05-19 |
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