JPS5234601A - Calling circuit - Google Patents
Calling circuitInfo
- Publication number
- JPS5234601A JPS5234601A JP50109995A JP10999575A JPS5234601A JP S5234601 A JPS5234601 A JP S5234601A JP 50109995 A JP50109995 A JP 50109995A JP 10999575 A JP10999575 A JP 10999575A JP S5234601 A JPS5234601 A JP S5234601A
- Authority
- JP
- Japan
- Prior art keywords
- calling circuit
- extension calling
- calling
- office receiving
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/71—Substation extension arrangements
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50109995A JPS5234601A (en) | 1975-09-12 | 1975-09-12 | Calling circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50109995A JPS5234601A (en) | 1975-09-12 | 1975-09-12 | Calling circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5234601A true JPS5234601A (en) | 1977-03-16 |
JPS5438002B2 JPS5438002B2 (ja) | 1979-11-19 |
Family
ID=14524412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50109995A Granted JPS5234601A (en) | 1975-09-12 | 1975-09-12 | Calling circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5234601A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5673955A (en) * | 1979-11-21 | 1981-06-19 | Taiko Denki Seisakusho:Kk | Callout circuit for telephone set |
JPS5673956A (en) * | 1979-11-21 | 1981-06-19 | Taiko Denki Seisakusho:Kk | Callout system for telephone set |
JPS5679062U (ja) * | 1979-11-21 | 1981-06-26 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4510407Y1 (ja) * | 1969-07-28 | 1970-05-13 |
-
1975
- 1975-09-12 JP JP50109995A patent/JPS5234601A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4510407Y1 (ja) * | 1969-07-28 | 1970-05-13 |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5673955A (en) * | 1979-11-21 | 1981-06-19 | Taiko Denki Seisakusho:Kk | Callout circuit for telephone set |
JPS5673956A (en) * | 1979-11-21 | 1981-06-19 | Taiko Denki Seisakusho:Kk | Callout system for telephone set |
JPS5679062U (ja) * | 1979-11-21 | 1981-06-26 |
Also Published As
Publication number | Publication date |
---|---|
JPS5438002B2 (ja) | 1979-11-19 |
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