JPS53100702A - Key telephone equipment - Google Patents
Key telephone equipmentInfo
- Publication number
- JPS53100702A JPS53100702A JP1463577A JP1463577A JPS53100702A JP S53100702 A JPS53100702 A JP S53100702A JP 1463577 A JP1463577 A JP 1463577A JP 1463577 A JP1463577 A JP 1463577A JP S53100702 A JPS53100702 A JP S53100702A
- Authority
- JP
- Japan
- Prior art keywords
- key telephone
- telephone equipment
- main equipment
- performance
- cpu
- 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
- H04M9/00—Arrangements for interconnection not involving centralised switching
- H04M9/002—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems
- H04M9/005—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line
- H04M9/007—Arrangements for interconnection not involving centralised switching with subscriber controlled access to a line, i.e. key telephone systems with subscriber controlled access to an exchange line wherein the key telephone sets are star-connected to a central unit by a limited number of lines
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1463577A JPS53100702A (en) | 1977-02-15 | 1977-02-15 | Key telephone equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1463577A JPS53100702A (en) | 1977-02-15 | 1977-02-15 | Key telephone equipment |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS53100702A true JPS53100702A (en) | 1978-09-02 |
Family
ID=11866645
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1463577A Pending JPS53100702A (en) | 1977-02-15 | 1977-02-15 | Key telephone equipment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53100702A (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56156086A (en) * | 1980-02-11 | 1981-12-02 | Sutoromubaaguukaaruson Corp | Remote unit for telephone set circuit network |
JPS56158593A (en) * | 1980-02-11 | 1981-12-07 | Sutoromubaaguukaaruson Corp | Telephone set circuit network and common device therefor |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4713253A (ja) * | 1970-12-21 | 1972-07-06 | ||
JPS4847204A (ja) * | 1971-10-16 | 1973-07-05 | ||
JPS5138913A (ja) * | 1974-09-30 | 1976-03-31 | Oki Electric Ind Co Ltd | Kanyushadenwasochiniokeru shokaisenyomidashihoshiki |
-
1977
- 1977-02-15 JP JP1463577A patent/JPS53100702A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4713253A (ja) * | 1970-12-21 | 1972-07-06 | ||
JPS4847204A (ja) * | 1971-10-16 | 1973-07-05 | ||
JPS5138913A (ja) * | 1974-09-30 | 1976-03-31 | Oki Electric Ind Co Ltd | Kanyushadenwasochiniokeru shokaisenyomidashihoshiki |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56156086A (en) * | 1980-02-11 | 1981-12-02 | Sutoromubaaguukaaruson Corp | Remote unit for telephone set circuit network |
JPS56158593A (en) * | 1980-02-11 | 1981-12-07 | Sutoromubaaguukaaruson Corp | Telephone set circuit network and common device therefor |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5225993A (en) | Maintenance system of a monitor transmission system | |
JPS53100702A (en) | Key telephone equipment | |
JPS5246703A (en) | Keyboard equipment | |
JPS5318302A (en) | Cordless telephone unit | |
JPS5213706A (en) | Key telephone system | |
JPS5347704A (en) | Reduction communication device | |
JPS5416111A (en) | Multiplex transmission equipment | |
JPS53100703A (en) | Key telephone equipment | |
JPS5429903A (en) | Conference service system of key telephonen system | |
JPS52104008A (en) | Connecting method of button telephone apparatus | |
JPS5429904A (en) | Monitor system of key telephone system | |
JPS5332603A (en) | Telephone set with timer | |
JPS5435604A (en) | Ringing system of push-button telephone set | |
JPS52149409A (en) | Digital data exchanging network | |
JPS52120706A (en) | Improved parent-child telephone equipment | |
JPS5438705A (en) | Data transmission system | |
JPS53132911A (en) | Telephone set | |
JPS5437610A (en) | Extension privacy service system | |
JPS5329606A (en) | Simple type hand-free communicating unit | |
JPS5324207A (en) | Key telephone set | |
JPS53114304A (en) | Key telephone set | |
JPS52130215A (en) | Service request write-in system in case of incoming transfer | |
JPS5394805A (en) | Communication terminal equipment | |
JPS5323209A (en) | Network | |
JPS53105311A (en) | Monitor method in continuous tone squelch system |