FR600994A - - Google Patents
Info
- Publication number
- FR600994A FR600994A FR600994DA FR600994A FR 600994 A FR600994 A FR 600994A FR 600994D A FR600994D A FR 600994DA FR 600994 A FR600994 A FR 600994A
- 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
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/001—Current supply source at the exchanger providing current to substations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0016—Arrangements providing connection between exchanges
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US476279XA | 1924-05-19 | 1924-05-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR600994A true FR600994A (fr) | 1926-02-19 |
Family
ID=21950023
Family Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR600994D Expired FR600994A (fr) | 1924-05-19 | ||
| FR30806D Expired FR30806E (fr) | 1924-05-19 | 1925-05-18 | Système téléphonique automatique |
| FR32350D Expired FR32350E (fr) | 1924-05-19 | 1926-08-04 | Système téléphonique automatique |
| FR32351D Expired FR32351E (fr) | 1924-05-19 | 1926-08-05 | Système téléphonique automatique |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR30806D Expired FR30806E (fr) | 1924-05-19 | 1925-05-18 | Système téléphonique automatique |
| FR32350D Expired FR32350E (fr) | 1924-05-19 | 1926-08-04 | Système téléphonique automatique |
| FR32351D Expired FR32351E (fr) | 1924-05-19 | 1926-08-05 | Système téléphonique automatique |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1681913A (fr) |
| DE (1) | DE476279C (fr) |
| FR (4) | FR30806E (fr) |
| GB (1) | GB263210A (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3919238A1 (de) * | 1989-06-13 | 1990-12-20 | Voest Alpine Ind Anlagen | Spueleinrichtung fuer ein metallurgisches gefaess |
-
0
- GB GB263210D patent/GB263210A/en active Active
- FR FR600994D patent/FR600994A/fr not_active Expired
- US US1681913D patent/US1681913A/en not_active Expired - Lifetime
-
1925
- 1925-05-18 FR FR30806D patent/FR30806E/fr not_active Expired
- 1925-05-19 DE DEA44999D patent/DE476279C/de not_active Expired
-
1926
- 1926-08-04 FR FR32350D patent/FR32350E/fr not_active Expired
- 1926-08-05 FR FR32351D patent/FR32351E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR32350E (fr) | 1927-11-28 |
| US1681913A (en) | 1928-08-21 |
| FR32351E (fr) | 1927-11-28 |
| GB263210A (fr) | |
| DE476279C (de) | 1929-05-21 |
| FR30806E (fr) | 1926-10-02 |