FR744372A - - Google Patents
Info
- Publication number
- FR744372A FR744372A FR744372DA FR744372A FR 744372 A FR744372 A FR 744372A FR 744372D A FR744372D A FR 744372DA FR 744372 A FR744372 A FR 744372A
- 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
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Keying Circuit Devices (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US573760A US1914384A (en) | 1931-11-09 | 1931-11-09 | Telephone system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR744372A true FR744372A (US07709020-20100504-C00041.png) | 1933-04-19 |
Family
ID=24293290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR744372D Expired FR744372A (US07709020-20100504-C00041.png) | 1931-11-09 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US1914384A (US07709020-20100504-C00041.png) |
| FR (1) | FR744372A (US07709020-20100504-C00041.png) |
| GB (1) | GB409015A (US07709020-20100504-C00041.png) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB592371A (en) * | 1945-05-04 | 1947-09-16 | Siemens Brothers & Co Ltd | Improvements relating to automatic telephone systems |
| GB593050A (en) * | 1945-05-04 | 1947-10-07 | Siemens Brothers & Co Ltd | Improvements relating to automatic telephone systems |
| GB593049A (en) * | 1945-05-04 | 1947-10-07 | Siemens Brothers & Co Ltd | Improvements relating to automatic telephone systems |
| GB605131A (en) * | 1945-12-14 | 1948-07-16 | Siemens Brothers & Co Ltd | Improvements relating to telephone and like selective systems |
| BE474194A (US07709020-20100504-C00041.png) * | 1946-01-30 | |||
| US2583782A (en) * | 1948-01-21 | 1952-01-29 | Automatic Elect Lab | Party line connector circuit for code ringing |
| FR996361A (US07709020-20100504-C00041.png) * | 1948-10-25 | 1951-12-17 | ||
| GB657077A (en) * | 1948-11-11 | 1951-09-12 | Automatic Telephone & Elect | Improvements in or relating to automatic switches as used in telephone systems |
| NL149217B (nl) * | 1949-10-07 | Cassella Farbwerke Mainkur Ag | Werkwijze ter bereiding van alkydharsvrije bindmiddelen voor in de hitte hardbare bekledingen. | |
| US2845493A (en) * | 1949-11-26 | 1958-07-29 | Siemens Ag | Control of telephone switches having plurality of simultaneously operated sets of wipers |
| BE527777A (US07709020-20100504-C00041.png) * | 1953-04-27 | |||
| DE969247C (de) * | 1955-05-27 | 1958-05-14 | Siemens Ag | Schaltungsanordnung fuer durch Nummernstromstoesse einzustellende Waehler mit einer Bewegungsrichtung in Fernmeldeanlagen, insbesondere Fernsprechanlagen |
| GB2254961A (en) * | 1991-04-15 | 1992-10-21 | Ford Motor Co | Plunger switch with displaceable stop means |
-
0
- FR FR744372D patent/FR744372A/fr not_active Expired
-
1931
- 1931-11-09 US US573760A patent/US1914384A/en not_active Expired - Lifetime
-
1932
- 1932-10-22 GB GB29605/32A patent/GB409015A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB409015A (en) | 1934-04-23 |
| US1914384A (en) | 1933-06-20 |
