FR938498A - Selection system especially for automatic telephones - Google Patents
Selection system especially for automatic telephonesInfo
- Publication number
- FR938498A FR938498A FR938498DA FR938498A FR 938498 A FR938498 A FR 938498A FR 938498D A FR938498D A FR 938498DA FR 938498 A FR938498 A FR 938498A
- Authority
- FR
- France
- Prior art keywords
- selection system
- system especially
- automatic telephones
- telephones
- automatic
- Prior art date
- 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
- H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Devices For Supply Of Signal Current (AREA)
- Measuring Volume Flow (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US377998A US2326551A (en) | 1941-02-08 | 1941-02-08 | Selecting system |
Publications (1)
Publication Number | Publication Date |
---|---|
FR938498A true FR938498A (en) | 1948-09-16 |
Family
ID=23491320
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR938498D Expired FR938498A (en) | 1941-02-08 | 1946-12-10 | Selection system especially for automatic telephones |
Country Status (6)
Country | Link |
---|---|
US (1) | US2326551A (en) |
CH (1) | CH237702A (en) |
ES (1) | ES176359A1 (en) |
FR (1) | FR938498A (en) |
GB (1) | GB549440A (en) |
NL (1) | NL68615C (en) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2564125A (en) * | 1941-02-08 | 1951-08-14 | Bell Telephone Labor Inc | Selecting system |
US2589697A (en) * | 1945-11-12 | 1952-03-18 | Ericsson Telefon Ab L M | Telephone switch utilizing a multielectrode gaseous discharge tube |
US2543534A (en) * | 1947-01-09 | 1951-02-27 | Stromberg Carlson Co | Automatic telephone system |
FR973819A (en) * | 1947-10-29 | 1951-02-15 | ||
US2609454A (en) * | 1948-06-29 | 1952-09-02 | Bell Telephone Labor Inc | Selecting and lockout circuit |
US2594389A (en) * | 1948-08-04 | 1952-04-29 | Bell Telephone Labor Inc | Double-lockout interconnecting system |
US2542672A (en) * | 1948-10-27 | 1951-02-20 | Bell Telephone Labor Inc | Coordinate selecting and lockout circuit |
US2562100A (en) * | 1948-11-17 | 1951-07-24 | Bell Telephone Labor Inc | Coordinate selecting and lock-out circuit |
US2633498A (en) * | 1948-12-29 | 1953-03-31 | Bell Telephone Labor Inc | Selecting and two-way translating system |
BE495462A (en) * | 1949-05-02 | |||
US2578701A (en) * | 1949-09-15 | 1951-12-18 | Bell Telephone Labor Inc | Coordinate selecting and lockout circuit |
US2686226A (en) * | 1949-10-13 | 1954-08-10 | Int Standard Electric Corp | Multiswitch apparatus controlled by crossbars |
BE536273A (en) * | 1954-03-08 |
-
0
- NL NL68615D patent/NL68615C/xx active
-
1941
- 1941-02-08 US US377998A patent/US2326551A/en not_active Expired - Lifetime
-
1942
- 1942-03-16 GB GB3424/42A patent/GB549440A/en not_active Expired
- 1942-08-26 CH CH237702D patent/CH237702A/en unknown
-
1946
- 1946-12-10 FR FR938498D patent/FR938498A/en not_active Expired
- 1946-12-23 ES ES176359A patent/ES176359A1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL68615C (en) | 1900-01-01 |
ES176359A1 (en) | 1947-03-01 |
US2326551A (en) | 1943-08-10 |
GB549440A (en) | 1942-11-20 |
CH237702A (en) | 1945-05-15 |
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