JPS53131705A - Automatic telephone exchange system - Google Patents
Automatic telephone exchange systemInfo
- Publication number
- JPS53131705A JPS53131705A JP4659977A JP4659977A JPS53131705A JP S53131705 A JPS53131705 A JP S53131705A JP 4659977 A JP4659977 A JP 4659977A JP 4659977 A JP4659977 A JP 4659977A JP S53131705 A JPS53131705 A JP S53131705A
- Authority
- JP
- Japan
- Prior art keywords
- exchange system
- telephone exchange
- automatic telephone
- constitution
- simplified
- 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
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Abstract
PURPOSE:To secure an effective signal transfer for the data terminal equipment as well as to ensure a good exchange service without giving load to the control unit, by using the telephone control line. Thus, the constitution can also be simplified.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4659977A JPS53131705A (en) | 1977-04-22 | 1977-04-22 | Automatic telephone exchange system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4659977A JPS53131705A (en) | 1977-04-22 | 1977-04-22 | Automatic telephone exchange system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS53131705A true JPS53131705A (en) | 1978-11-16 |
Family
ID=12751755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4659977A Pending JPS53131705A (en) | 1977-04-22 | 1977-04-22 | Automatic telephone exchange system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS53131705A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5746567A (en) * | 1980-09-05 | 1982-03-17 | Hitachi Ltd | Multifunction telephone set |
JPS61176238A (en) * | 1985-01-31 | 1986-08-07 | Canon Inc | Communication equipment |
-
1977
- 1977-04-22 JP JP4659977A patent/JPS53131705A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5746567A (en) * | 1980-09-05 | 1982-03-17 | Hitachi Ltd | Multifunction telephone set |
JPS6216595B2 (en) * | 1980-09-05 | 1987-04-13 | Hitachi Ltd | |
JPS61176238A (en) * | 1985-01-31 | 1986-08-07 | Canon Inc | Communication equipment |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS53134304A (en) | Automatic telephone exchange system | |
JPS5439504A (en) | Information communication system | |
JPS51147206A (en) | Data communication system employing photocoupler | |
JPS53131705A (en) | Automatic telephone exchange system | |
JPS5386102A (en) | Selective exchange system | |
JPS54812A (en) | Repeating system | |
JPS53101206A (en) | Control system for telephone exchange network | |
JPS5386502A (en) | Control unit for telephone circuit netwoek | |
JPS5228810A (en) | Automatic telephone exchange system | |
JPS5437604A (en) | Multiple address system | |
JPS53116023A (en) | Facsimile communication system for private branch | |
JPS5351904A (en) | Subscriber circuit system both for telephone and data | |
JPS53131706A (en) | Automatic telephone exchange system | |
JPS53131707A (en) | Auotmatic telephone exchange system | |
JPS53124005A (en) | Monitor system for subscriber line | |
JPS5324209A (en) | Transmission-reception connection system for automatic exchange un it | |
JPS5342508A (en) | Automatic test system for telephone lines | |
JPS5358705A (en) | Switching system for transmission line | |
JPS53105923A (en) | Automatic test system for ringer | |
JPS5423438A (en) | Terminal connection system | |
JPS5396608A (en) | Conversion system for transmission control procedure | |
JPS5397309A (en) | Abbreviated dialing system | |
JPS53133306A (en) | Automatic data transmission control system | |
JPS53113404A (en) | Operator board connection system in automatic exchanger | |
JPS53108306A (en) | Selayed call transfer system for automatic switchboard |