FR750800A - Multiple connection device for telephone systems with selectors and lines divided into groups - Google Patents
Multiple connection device for telephone systems with selectors and lines divided into groupsInfo
- Publication number
- FR750800A FR750800A FR750800DA FR750800A FR 750800 A FR750800 A FR 750800A FR 750800D A FR750800D A FR 750800DA FR 750800 A FR750800 A FR 750800A
- Authority
- FR
- France
- Prior art keywords
- selectors
- groups
- connection device
- multiple connection
- telephone systems
- 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
- H04Q3/64—Distributing or queueing
- H04Q3/68—Grouping or interlacing selector groups or stages
-
- 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)
- Exchange Systems With Centralized Control (AREA)
- Keying Circuit Devices (AREA)
- Structure Of Telephone Exchanges (AREA)
- Telephonic Communication Services (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE413054X | 1932-02-17 | ||
DEM123029D DE635919C (en) | 1932-02-17 | 1933-02-26 | Circuit arrangement for telephone systems |
Publications (1)
Publication Number | Publication Date |
---|---|
FR750800A true FR750800A (en) | 1933-08-18 |
Family
ID=25907313
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR750800D Expired FR750800A (en) | 1932-02-17 | 1933-02-14 | Multiple connection device for telephone systems with selectors and lines divided into groups |
FR44932D Expired FR44932E (en) | 1932-02-17 | 1934-02-26 | Multiple connection device for telephone systems with selectors and lines divided into groups |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR44932D Expired FR44932E (en) | 1932-02-17 | 1934-02-26 | Multiple connection device for telephone systems with selectors and lines divided into groups |
Country Status (5)
Country | Link |
---|---|
US (2) | US1972199A (en) |
BE (1) | BE394383A (en) |
DE (3) | DE606205C (en) |
FR (2) | FR750800A (en) |
GB (2) | GB413054A (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE924758C (en) * | 1943-08-04 | 1955-03-07 | Siemens Ag | Circuit arrangement for making end connections via through connection lines in telephone systems with dialer operation |
NL164979B (en) * | 1951-10-27 | Kureha Chemical Ind Co Ltd | PUSH BUTTON SWITCH PANEL WITH PIEZO ELECTRICAL UNIT ELEMENTS. | |
NL94753C (en) * | 1952-03-21 | |||
US2866853A (en) * | 1953-11-18 | 1958-12-30 | Gen Telephone Lab Inc | Rotary finder with graded multiple |
DE2724154A1 (en) * | 1977-05-27 | 1978-11-30 | Dirr Josef | Telephone PBX operating when called subscriber answers - transmits marked position of central selector to individual selector |
-
0
- BE BE394383D patent/BE394383A/xx unknown
-
1932
- 1932-02-18 DE DEM118781D patent/DE606205C/en not_active Expired
-
1933
- 1933-02-01 DE DEM122751D patent/DE618575C/en not_active Expired
- 1933-02-14 US US656731A patent/US1972199A/en not_active Expired - Lifetime
- 1933-02-14 FR FR750800D patent/FR750800A/en not_active Expired
- 1933-02-17 GB GB4996/33A patent/GB413054A/en not_active Expired
- 1933-02-26 DE DEM123029D patent/DE635919C/en not_active Expired
-
1934
- 1934-02-22 GB GB5891/34A patent/GB419189A/en not_active Expired
- 1934-02-24 US US712825A patent/US1999104A/en not_active Expired - Lifetime
- 1934-02-26 FR FR44932D patent/FR44932E/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB419189A (en) | 1934-11-07 |
US1972199A (en) | 1934-09-04 |
DE618575C (en) | 1935-09-13 |
DE635919C (en) | 1936-10-01 |
GB413054A (en) | 1934-07-12 |
BE394383A (en) | |
FR44932E (en) | 1935-05-01 |
US1999104A (en) | 1935-04-23 |
DE606205C (en) | 1934-11-29 |
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