FR1494357A - Bell control device - Google Patents
Bell control deviceInfo
- Publication number
- FR1494357A FR1494357A FR06007961A FR06007961A FR1494357A FR 1494357 A FR1494357 A FR 1494357A FR 06007961 A FR06007961 A FR 06007961A FR 06007961 A FR06007961 A FR 06007961A FR 1494357 A FR1494357 A FR 1494357A
- Authority
- FR
- France
- Prior art keywords
- control device
- bell control
- bell
- control
- 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
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR06007961A FR1494357A (en) | 1966-07-26 | 1966-07-26 | Bell control device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR06007961A FR1494357A (en) | 1966-07-26 | 1966-07-26 | Bell control device |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1494357A true FR1494357A (en) | 1967-09-08 |
Family
ID=1586136
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR06007961A Expired FR1494357A (en) | 1966-07-26 | 1966-07-26 | Bell control device |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1494357A (en) |
-
1966
- 1966-07-26 FR FR06007961A patent/FR1494357A/en not_active Expired
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