BE523500A - - Google Patents
Info
- Publication number
- BE523500A BE523500A BE523500DA BE523500A BE 523500 A BE523500 A BE 523500A BE 523500D A BE523500D A BE 523500DA BE 523500 A BE523500 A BE 523500A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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)
- Exchange Systems With Centralized Control (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US314652A US2698881A (en) | 1952-10-14 | 1952-10-14 | Telephone system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE523500A true BE523500A (en:Method) |
Family
ID=23220859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE523500D BE523500A (en:Method) | 1952-10-14 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2698881A (en:Method) |
| BE (1) | BE523500A (en:Method) |
| DE (1) | DE958663C (en:Method) |
| GB (1) | GB741204A (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1158126B (de) * | 1958-11-08 | 1963-11-28 | Josef Dirr | Koordinatenschalter zur Ziffernspeicherung fuer Fernmelde-, insbesondere Fernsprechvermittlungsanlagen |
| US7604743B2 (en) * | 2005-12-19 | 2009-10-20 | Stanley Consultants, Inc. | Process for producing ethanol and for energy recovery |
-
0
- BE BE523500D patent/BE523500A/xx unknown
-
1952
- 1952-10-14 US US314652A patent/US2698881A/en not_active Expired - Lifetime
-
1953
- 1953-10-05 GB GB27292/53A patent/GB741204A/en not_active Expired
- 1953-10-14 DE DEA18969A patent/DE958663C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB741204A (en) | 1955-11-30 |
| DE958663C (de) | 1957-02-21 |
| US2698881A (en) | 1955-01-04 |