FR847317A - Installation téléphonique - Google Patents
Installation téléphoniqueInfo
- Publication number
- FR847317A FR847317A FR847317DA FR847317A FR 847317 A FR847317 A FR 847317A FR 847317D A FR847317D A FR 847317DA FR 847317 A FR847317 A FR 847317A
- Authority
- FR
- France
- Prior art keywords
- telephone installation
- telephone
- installation
- 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
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L15/00—Apparatus or local circuits for transmitting or receiving dot-and-dash codes, e.g. Morse code
- H04L15/24—Apparatus or circuits at the receiving end
- H04L15/26—Apparatus or circuits at the receiving end operating only on reception of predetermined code signals, e.g. distress signals, party-line call signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE207141X | 1937-12-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR847317A true FR847317A (fr) | 1939-10-06 |
Family
ID=5793546
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR847317D Expired FR847317A (fr) | 1937-12-11 | 1938-12-09 | Installation téléphonique |
Country Status (3)
Country | Link |
---|---|
US (1) | US2210208A (fr) |
CH (1) | CH207141A (fr) |
FR (1) | FR847317A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3428113A (en) * | 1966-06-17 | 1969-02-18 | Samuel Kluth | Pattern plates with provision for shift correction |
-
1938
- 1938-12-09 CH CH207141D patent/CH207141A/de unknown
- 1938-12-09 FR FR847317D patent/FR847317A/fr not_active Expired
- 1938-12-12 US US245259A patent/US2210208A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CH207141A (de) | 1939-09-30 |
US2210208A (en) | 1940-08-06 |
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