JPS4940640A - - Google Patents
Info
- Publication number
- JPS4940640A JPS4940640A JP47084784A JP8478472A JPS4940640A JP S4940640 A JPS4940640 A JP S4940640A JP 47084784 A JP47084784 A JP 47084784A JP 8478472 A JP8478472 A JP 8478472A JP S4940640 A JPS4940640 A JP S4940640A
- Authority
- JP
- Japan
- 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
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP47084784A JPS4940640A (en) | 1972-08-24 | 1972-08-24 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP47084784A JPS4940640A (en) | 1972-08-24 | 1972-08-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4940640A true JPS4940640A (en) | 1974-04-16 |
Family
ID=13840308
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP47084784A Pending JPS4940640A (en) | 1972-08-24 | 1972-08-24 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS4940640A (en) |
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50147218A (en) * | 1974-05-15 | 1975-11-26 | ||
JPS5133936U (en) * | 1974-09-04 | 1976-03-12 | ||
JPS5169963A (en) * | 1974-12-14 | 1976-06-17 | Omron Tateisi Electronics Co | |
JPS5169962A (en) * | 1974-12-14 | 1976-06-17 | Omron Tateisi Electronics Co | |
JPS5187906A (en) * | 1975-01-31 | 1976-07-31 | Hitachi Ltd | |
JPS5193139A (en) * | 1975-02-12 | 1976-08-16 | ||
JPS52111A (en) * | 1975-06-23 | 1977-01-05 | Hitachi Ltd | Channel switching system |
JPS5231629A (en) * | 1975-06-20 | 1977-03-10 | Fuji Electric Co Ltd | Data communiction system |
JPS5259282A (en) * | 1975-11-08 | 1977-05-16 | Mitsubishi Electric Corp | Supervising station device of remote supervisory device |
JPS5295104A (en) * | 1976-02-06 | 1977-08-10 | Hitachi Ltd | Data transmission device |
JPS52109303A (en) * | 1976-03-10 | 1977-09-13 | Hitachi Ltd | By-pass change-over system |
JPS52110386A (en) * | 1976-03-11 | 1977-09-16 | Seiwa Electric Mfg | Apparatus for switching control and monitor of variable signal |
JPS52136505A (en) * | 1976-05-11 | 1977-11-15 | Oki Electric Ind Co Ltd | Automatic fault restoration system for loop transmission system |
JPS52154318A (en) * | 1976-06-17 | 1977-12-22 | Matsushita Electric Ind Co Ltd | Terminal connection method in digital data transmission system |
JPS5364182A (en) * | 1976-11-19 | 1978-06-08 | Hitachi Ltd | Digital remote controller |
JPS53130904A (en) * | 1978-03-29 | 1978-11-15 | Hitachi Ltd | Data transmitter |
JPS56118447U (en) * | 1981-01-22 | 1981-09-10 | ||
JPS5784645A (en) * | 1980-11-17 | 1982-05-27 | Fujitsu Ltd | By-pass circuit |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3569635A (en) * | 1966-10-28 | 1971-03-09 | Int Standard Electric Corp | A telecommunication system with means for detecting faults and rerouting signals to the fault locations |
-
1972
- 1972-08-24 JP JP47084784A patent/JPS4940640A/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3569635A (en) * | 1966-10-28 | 1971-03-09 | Int Standard Electric Corp | A telecommunication system with means for detecting faults and rerouting signals to the fault locations |
Cited By (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50147218A (en) * | 1974-05-15 | 1975-11-26 | ||
JPS5616983B2 (en) * | 1974-05-15 | 1981-04-20 | ||
JPS5133936U (en) * | 1974-09-04 | 1976-03-12 | ||
JPS566585B2 (en) * | 1974-12-14 | 1981-02-12 | ||
JPS5169963A (en) * | 1974-12-14 | 1976-06-17 | Omron Tateisi Electronics Co | |
JPS5169962A (en) * | 1974-12-14 | 1976-06-17 | Omron Tateisi Electronics Co | |
JPS5187906A (en) * | 1975-01-31 | 1976-07-31 | Hitachi Ltd | |
JPS5734696B2 (en) * | 1975-01-31 | 1982-07-24 | ||
JPS5193139A (en) * | 1975-02-12 | 1976-08-16 | ||
JPS5231629A (en) * | 1975-06-20 | 1977-03-10 | Fuji Electric Co Ltd | Data communiction system |
JPS52111A (en) * | 1975-06-23 | 1977-01-05 | Hitachi Ltd | Channel switching system |
JPS566744B2 (en) * | 1975-06-23 | 1981-02-13 | ||
JPS5259282A (en) * | 1975-11-08 | 1977-05-16 | Mitsubishi Electric Corp | Supervising station device of remote supervisory device |
JPS5730338B2 (en) * | 1976-02-06 | 1982-06-28 | ||
JPS5295104A (en) * | 1976-02-06 | 1977-08-10 | Hitachi Ltd | Data transmission device |
JPS52109303A (en) * | 1976-03-10 | 1977-09-13 | Hitachi Ltd | By-pass change-over system |
JPS52110386A (en) * | 1976-03-11 | 1977-09-16 | Seiwa Electric Mfg | Apparatus for switching control and monitor of variable signal |
JPS52136505A (en) * | 1976-05-11 | 1977-11-15 | Oki Electric Ind Co Ltd | Automatic fault restoration system for loop transmission system |
JPS5745380B2 (en) * | 1976-05-11 | 1982-09-27 | ||
JPS52154318A (en) * | 1976-06-17 | 1977-12-22 | Matsushita Electric Ind Co Ltd | Terminal connection method in digital data transmission system |
JPS5364182A (en) * | 1976-11-19 | 1978-06-08 | Hitachi Ltd | Digital remote controller |
JPS613156B2 (en) * | 1976-11-19 | 1986-01-30 | Hitachi Ltd | |
JPS53130904A (en) * | 1978-03-29 | 1978-11-15 | Hitachi Ltd | Data transmitter |
JPS5784645A (en) * | 1980-11-17 | 1982-05-27 | Fujitsu Ltd | By-pass circuit |
JPS6367377B2 (en) * | 1980-11-17 | 1988-12-26 | Fujitsu Ltd | |
JPS56118447U (en) * | 1981-01-22 | 1981-09-10 |