FR2448174B1 - - Google Patents
Info
- Publication number
- FR2448174B1 FR2448174B1 FR8002059A FR8002059A FR2448174B1 FR 2448174 B1 FR2448174 B1 FR 2448174B1 FR 8002059 A FR8002059 A FR 8002059A FR 8002059 A FR8002059 A FR 8002059A FR 2448174 B1 FR2448174 B1 FR 2448174B1
- Authority
- FR
- France
- 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.)
- Expired
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
- H04M9/003—Transmission of control signals from or to the key telephone set; signalling equipment at key telephone set, e.g. keyboard or display equipment
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
- G08C19/16—Electric signal transmission systems in which transmission is by pulses
- G08C19/28—Electric signal transmission systems in which transmission is by pulses using pulse code
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
- G08G1/081—Plural intersections under common control
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Selective Calling Equipment (AREA)
- Communication Control (AREA)
- Traffic Control Systems (AREA)
- Small-Scale Networks (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT47842/79A IT1114057B (it) | 1979-01-31 | 1979-01-31 | Ricevitore di dati programmabile polifunzione |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2448174A1 FR2448174A1 (fr) | 1980-08-29 |
| FR2448174B1 true FR2448174B1 (me) | 1984-01-13 |
Family
ID=11262869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8002059A Granted FR2448174A1 (fr) | 1979-01-31 | 1980-01-31 | Recepteur de donnees programmable a fonctions multiples |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS55133161A (me) |
| DE (1) | DE3003514A1 (me) |
| FR (1) | FR2448174A1 (me) |
| IT (1) | IT1114057B (me) |
-
1979
- 1979-01-31 IT IT47842/79A patent/IT1114057B/it active
-
1980
- 1980-01-31 FR FR8002059A patent/FR2448174A1/fr active Granted
- 1980-01-31 JP JP1083880A patent/JPS55133161A/ja active Pending
- 1980-01-31 DE DE19803003514 patent/DE3003514A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| FR2448174A1 (fr) | 1980-08-29 |
| IT1114057B (it) | 1986-01-27 |
| JPS55133161A (en) | 1980-10-16 |
| IT7947842A0 (it) | 1979-01-31 |
| DE3003514A1 (de) | 1980-08-07 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |