JPS5541003A - Selective response system of telephone - Google Patents
Selective response system of telephoneInfo
- Publication number
- JPS5541003A JPS5541003A JP11310278A JP11310278A JPS5541003A JP S5541003 A JPS5541003 A JP S5541003A JP 11310278 A JP11310278 A JP 11310278A JP 11310278 A JP11310278 A JP 11310278A JP S5541003 A JPS5541003 A JP S5541003A
- Authority
- JP
- Japan
- Prior art keywords
- subscriber
- specific
- signal generator
- selective response
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Abstract
PURPOSE:To enable practical selective response, by causing call-out signal newly only with the subscribers transmitting a specific signal. CONSTITUTION:The specific subscriber E has the calling use special signal generator SG. Further, the subscriber F which can make selective response can select the normal response and the selective response with the selector switch SW. Further, when the subscriber E selects the specific subscriber F, the signal generator SG is operated, the specific signal receiver SR at the subscriber F side is activated, and the call-out from the subscriber having the specific signal generator SG is informed by bell or buzzer. Accordingly, the subscriber F selects the switch SW to make communication. Further, to the call-out signal from the subscribers not having the specific signal generator SG, the automatic response unit ARS is activated.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11310278A JPS5541003A (en) | 1978-09-15 | 1978-09-15 | Selective response system of telephone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11310278A JPS5541003A (en) | 1978-09-15 | 1978-09-15 | Selective response system of telephone |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5541003A true JPS5541003A (en) | 1980-03-22 |
Family
ID=14603523
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11310278A Pending JPS5541003A (en) | 1978-09-15 | 1978-09-15 | Selective response system of telephone |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5541003A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5866455A (en) * | 1981-10-16 | 1983-04-20 | Hitachi Ltd | Selective incoming controlling system |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5399802A (en) * | 1977-02-14 | 1978-08-31 | Nippon Telegr & Teleph Corp <Ntt> | Specific subscriber calling equipment of automatic answering telephone set |
-
1978
- 1978-09-15 JP JP11310278A patent/JPS5541003A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5399802A (en) * | 1977-02-14 | 1978-08-31 | Nippon Telegr & Teleph Corp <Ntt> | Specific subscriber calling equipment of automatic answering telephone set |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5866455A (en) * | 1981-10-16 | 1983-04-20 | Hitachi Ltd | Selective incoming controlling system |
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