FR892816A - Electrical signal receiver - Google Patents
Electrical signal receiverInfo
- Publication number
- FR892816A FR892816A FR892816DA FR892816A FR 892816 A FR892816 A FR 892816A FR 892816D A FR892816D A FR 892816DA FR 892816 A FR892816 A FR 892816A
- Authority
- FR
- France
- Prior art keywords
- electrical signal
- signal receiver
- receiver
- electrical
- signal
- 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
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
- H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies
- H04Q1/446—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency
- H04Q1/4465—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies using one signalling frequency the same frequency being used for all signalling information, e.g. A.C. nr.9 system
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE892816X | 1942-02-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR892816A true FR892816A (en) | 1944-05-22 |
Family
ID=6846463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR892816D Expired FR892816A (en) | 1942-02-13 | 1943-03-24 | Electrical signal receiver |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE449342A (en) |
FR (1) | FR892816A (en) |
-
0
- BE BE449342D patent/BE449342A/xx unknown
-
1943
- 1943-03-24 FR FR892816D patent/FR892816A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE449342A (en) |
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