JP2528001Y2 - 電話機のペ−ジング放送装置 - Google Patents
電話機のペ−ジング放送装置Info
- Publication number
- JP2528001Y2 JP2528001Y2 JP1987002262U JP226287U JP2528001Y2 JP 2528001 Y2 JP2528001 Y2 JP 2528001Y2 JP 1987002262 U JP1987002262 U JP 1987002262U JP 226287 U JP226287 U JP 226287U JP 2528001 Y2 JP2528001 Y2 JP 2528001Y2
- Authority
- JP
- Japan
- Prior art keywords
- paging
- telephone
- external line
- amplifier
- external
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987002262U JP2528001Y2 (ja) | 1987-01-10 | 1987-01-10 | 電話機のペ−ジング放送装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987002262U JP2528001Y2 (ja) | 1987-01-10 | 1987-01-10 | 電話機のペ−ジング放送装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63111054U JPS63111054U (hu) | 1988-07-16 |
JP2528001Y2 true JP2528001Y2 (ja) | 1997-03-05 |
Family
ID=30780939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987002262U Expired - Lifetime JP2528001Y2 (ja) | 1987-01-10 | 1987-01-10 | 電話機のペ−ジング放送装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2528001Y2 (hu) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5799072A (en) * | 1980-11-10 | 1982-06-19 | Hitachi Ltd | Paging trunk |
JPS57123757A (en) * | 1981-01-26 | 1982-08-02 | Hitachi Ltd | Private branch automatic broadcasting system |
JPS585072A (ja) * | 1981-07-02 | 1983-01-12 | Nec Corp | ボタン電話装置における一斉呼出方式 |
JPS6258760A (ja) * | 1985-09-06 | 1987-03-14 | Nec Corp | 電話回線利用によるインタホン方式 |
-
1987
- 1987-01-10 JP JP1987002262U patent/JP2528001Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS63111054U (hu) | 1988-07-16 |
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