JPS5225507A - Data transfer expansion system to transit board - Google Patents
Data transfer expansion system to transit boardInfo
- Publication number
- JPS5225507A JPS5225507A JP10122575A JP10122575A JPS5225507A JP S5225507 A JPS5225507 A JP S5225507A JP 10122575 A JP10122575 A JP 10122575A JP 10122575 A JP10122575 A JP 10122575A JP S5225507 A JPS5225507 A JP S5225507A
- Authority
- JP
- Japan
- Prior art keywords
- data transfer
- expansion system
- transit board
- transit
- transfer expansion
- 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
- H04M3/60—Semi-automatic systems, i.e. in which the numerical selection of the outgoing line is under the control of an operator
- H04M3/62—Keyboard equipment
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Abstract
PURPOSE:To divide lamps and light emitting diodes on a transit board, and to transfer serially these data to the transit board for parallel data transfer.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10122575A JPS5225507A (en) | 1975-08-22 | 1975-08-22 | Data transfer expansion system to transit board |
CA259,503A CA1058764A (en) | 1975-08-22 | 1976-08-20 | Serial data reception system |
AU17008/76A AU497491B2 (en) | 1975-08-22 | 1976-08-20 | Serial data reception system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10122575A JPS5225507A (en) | 1975-08-22 | 1975-08-22 | Data transfer expansion system to transit board |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5225507A true JPS5225507A (en) | 1977-02-25 |
Family
ID=14294943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10122575A Pending JPS5225507A (en) | 1975-08-22 | 1975-08-22 | Data transfer expansion system to transit board |
Country Status (3)
Country | Link |
---|---|
JP (1) | JPS5225507A (en) |
AU (1) | AU497491B2 (en) |
CA (1) | CA1058764A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53120206A (en) * | 1977-03-29 | 1978-10-20 | Nec Corp | Attendant board control system for electronic switchboard |
JPS53129908A (en) * | 1977-04-19 | 1978-11-13 | Fujitsu Ltd | Terminal control system |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS483386U (en) * | 1971-05-22 | 1973-01-16 | ||
JPS492778A (en) * | 1972-03-13 | 1974-01-11 |
-
1975
- 1975-08-22 JP JP10122575A patent/JPS5225507A/en active Pending
-
1976
- 1976-08-20 AU AU17008/76A patent/AU497491B2/en not_active Expired
- 1976-08-20 CA CA259,503A patent/CA1058764A/en not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS483386U (en) * | 1971-05-22 | 1973-01-16 | ||
JPS492778A (en) * | 1972-03-13 | 1974-01-11 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53120206A (en) * | 1977-03-29 | 1978-10-20 | Nec Corp | Attendant board control system for electronic switchboard |
JPS53129908A (en) * | 1977-04-19 | 1978-11-13 | Fujitsu Ltd | Terminal control system |
Also Published As
Publication number | Publication date |
---|---|
AU497491B2 (en) | 1978-12-14 |
CA1058764A (en) | 1979-07-17 |
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