JPS53101205A - Circuit extension method for key telephone - Google Patents
Circuit extension method for key telephoneInfo
- Publication number
- JPS53101205A JPS53101205A JP1571177A JP1571177A JPS53101205A JP S53101205 A JPS53101205 A JP S53101205A JP 1571177 A JP1571177 A JP 1571177A JP 1571177 A JP1571177 A JP 1571177A JP S53101205 A JPS53101205 A JP S53101205A
- Authority
- JP
- Japan
- Prior art keywords
- key telephone
- extension method
- circuit extension
- circuit
- cost
- 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
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/71—Substation extension arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Abstract
PURPOSE:To reduce the cost at the initial mounting time by adding all component parts for the extension circuit use.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1571177A JPS53101205A (en) | 1977-02-16 | 1977-02-16 | Circuit extension method for key telephone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1571177A JPS53101205A (en) | 1977-02-16 | 1977-02-16 | Circuit extension method for key telephone |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS53101205A true JPS53101205A (en) | 1978-09-04 |
Family
ID=11896343
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1571177A Pending JPS53101205A (en) | 1977-02-16 | 1977-02-16 | Circuit extension method for key telephone |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53101205A (en) |
-
1977
- 1977-02-16 JP JP1571177A patent/JPS53101205A/en active Pending
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