FR2155353A5 - - Google Patents
Info
- Publication number
- FR2155353A5 FR2155353A5 FR7234007A FR7234007A FR2155353A5 FR 2155353 A5 FR2155353 A5 FR 2155353A5 FR 7234007 A FR7234007 A FR 7234007A FR 7234007 A FR7234007 A FR 7234007A FR 2155353 A5 FR2155353 A5 FR 2155353A5
- 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
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/30—Devices which can set up and transmit only one digit at a time
- H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1217971 | 1971-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2155353A5 true FR2155353A5 (enExample) | 1973-05-18 |
Family
ID=20295286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7234007A Expired FR2155353A5 (enExample) | 1971-09-27 | 1972-09-26 |
Country Status (2)
| Country | Link |
|---|---|
| BR (1) | BR7206704D0 (enExample) |
| FR (1) | FR2155353A5 (enExample) |
-
1972
- 1972-09-26 FR FR7234007A patent/FR2155353A5/fr not_active Expired
- 1972-09-27 BR BR670472A patent/BR7206704D0/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BR7206704D0 (pt) | 1973-08-30 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |