FR892563A - Coupling arrangement for telephone systems with separate control channels and conversation channels - Google Patents
Coupling arrangement for telephone systems with separate control channels and conversation channelsInfo
- Publication number
- FR892563A FR892563A FR892563DA FR892563A FR 892563 A FR892563 A FR 892563A FR 892563D A FR892563D A FR 892563DA FR 892563 A FR892563 A FR 892563A
- Authority
- FR
- France
- Prior art keywords
- channels
- coupling arrangement
- separate control
- telephone systems
- conversation
- 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
- H04Q3/0016—Arrangements providing connection between exchanges
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE236136X | 1942-03-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR892563A true FR892563A (en) | 1944-04-12 |
Family
ID=5900333
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR892563D Expired FR892563A (en) | 1942-03-20 | 1943-03-17 | Coupling arrangement for telephone systems with separate control channels and conversation channels |
Country Status (2)
Country | Link |
---|---|
CH (1) | CH236136A (en) |
FR (1) | FR892563A (en) |
-
1943
- 1943-03-09 CH CH236136D patent/CH236136A/en unknown
- 1943-03-17 FR FR892563D patent/FR892563A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CH236136A (en) | 1945-01-15 |
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