FR541091A - Switch for telephone device - Google Patents
Switch for telephone deviceInfo
- Publication number
- FR541091A FR541091A FR541091DA FR541091A FR 541091 A FR541091 A FR 541091A FR 541091D A FR541091D A FR 541091DA FR 541091 A FR541091 A FR 541091A
- Authority
- FR
- France
- Prior art keywords
- switch
- telephone device
- telephone
- 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
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/26—Devices for calling a subscriber
- H04M1/52—Arrangements wherein a dial or the like is mechanically coupled to a line selector
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR541091T | 1921-09-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR541091A true FR541091A (en) | 1922-07-22 |
Family
ID=8929876
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR541091D Expired FR541091A (en) | 1921-09-15 | 1921-09-15 | Switch for telephone device |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR541091A (en) |
-
1921
- 1921-09-15 FR FR541091D patent/FR541091A/en not_active Expired
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