IT982855B - Impianto di comunocazione d informa zioni a due vie - Google Patents
Impianto di comunocazione d informa zioni a due vieInfo
- Publication number
- IT982855B IT982855B IT4807373A IT4807373A IT982855B IT 982855 B IT982855 B IT 982855B IT 4807373 A IT4807373 A IT 4807373A IT 4807373 A IT4807373 A IT 4807373A IT 982855 B IT982855 B IT 982855B
- Authority
- IT
- Italy
- Prior art keywords
- communocation
- way information
- information
- way
- information communocation
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
- Selective Calling Equipment (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Time-Division Multiplex Systems (AREA)
- Small-Scale Networks (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US22388372A | 1972-02-07 | 1972-02-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT982855B true IT982855B (it) | 1974-10-21 |
Family
ID=22838355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT4807373A IT982855B (it) | 1972-02-07 | 1973-02-06 | Impianto di comunocazione d informa zioni a due vie |
Country Status (10)
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5824840B2 (ja) * | 1974-09-30 | 1983-05-24 | 東京電力株式会社 | デ−タシユウシユウソウチ |
| JPS6022399B2 (ja) * | 1974-09-30 | 1985-06-01 | 東京電力株式会社 | デ−タ収集方式 |
| JPS5820490B2 (ja) * | 1975-01-31 | 1983-04-23 | ウエスチングハウス エレクトリック コ−ポレ−ション | 電力線搬送通信システム |
| JPS5212503A (en) * | 1975-07-21 | 1977-01-31 | Nippon Syst Kogyo Kk | Multiplex loop transmission system |
| JPS5686042A (en) * | 1979-12-15 | 1981-07-13 | Matsushita Electric Works Ltd | Time dividion multiplex transmission control device |
-
0
- BE BE795051D patent/BE795051A/xx not_active IP Right Cessation
-
1973
- 1973-01-18 NL NL7300778A patent/NL7300778A/xx unknown
- 1973-01-27 DE DE19732303989 patent/DE2303989B2/de not_active Withdrawn
- 1973-02-01 CH CH145773A patent/CH549325A/xx not_active IP Right Cessation
- 1973-02-06 FR FR7304065A patent/FR2171156B1/fr not_active Expired
- 1973-02-06 IT IT4807373A patent/IT982855B/it active
- 1973-02-06 CA CA163,031A patent/CA1007318A/en not_active Expired
- 1973-02-06 JP JP1436473A patent/JPS4891942A/ja active Pending
- 1973-02-07 GB GB605373A patent/GB1408420A/en not_active Expired
- 1973-03-05 SE SE7301562A patent/SE392380B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1408420A (en) | 1975-10-01 |
| DE2303989A1 (de) | 1973-08-30 |
| CA1007318A (en) | 1977-03-22 |
| CH549325A (de) | 1974-05-15 |
| FR2171156B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1980-03-28 |
| JPS4891942A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-11-29 |
| FR2171156A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-09-21 |
| BE795051A (fr) | 1973-05-29 |
| DE2303989B2 (de) | 1975-04-03 |
| NL7300778A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-08-09 |
| SE392380B (sv) | 1977-03-21 |
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