FR320686A - Central battery telephone network - Google Patents
Central battery telephone networkInfo
- Publication number
- FR320686A FR320686A FR320686A FR320686DA FR320686A FR 320686 A FR320686 A FR 320686A FR 320686 A FR320686 A FR 320686A FR 320686D A FR320686D A FR 320686DA FR 320686 A FR320686 A FR 320686A
- Authority
- FR
- France
- Prior art keywords
- telephone network
- central battery
- battery telephone
- central
- network
- 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
- H04M5/00—Manual exchanges
- H04M5/12—Calling substations, e.g. by ringing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M9/00—Arrangements for interconnection not involving centralised switching
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR2565T |
Publications (1)
Publication Number | Publication Date |
---|---|
FR320686A true FR320686A (en) | 1902-12-17 |
Family
ID=8585076
Family Applications (9)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR2565A Expired FR2565E (en) | Central battery telephone network | ||
FR2684A Expired FR2684E (en) | Central battery telephone network | ||
FR5763D Active FR5763E (en) | |||
FR1313A Expired FR1313E (en) | Central battery telephone network | ||
FR1316A Expired FR1316E (en) | Central battery telephone network | ||
FR1312A Expired FR1312E (en) | Central battery telephone network | ||
FR1309A Expired FR1309E (en) | Central battery telephone network | ||
FR5764A Expired FR5764E (en) | Central battery telephone network | ||
FR320686A Expired FR320686A (en) | 1902-04-26 | Central battery telephone network |
Family Applications Before (8)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR2565A Expired FR2565E (en) | Central battery telephone network | ||
FR2684A Expired FR2684E (en) | Central battery telephone network | ||
FR5763D Active FR5763E (en) | |||
FR1313A Expired FR1313E (en) | Central battery telephone network | ||
FR1316A Expired FR1316E (en) | Central battery telephone network | ||
FR1312A Expired FR1312E (en) | Central battery telephone network | ||
FR1309A Expired FR1309E (en) | Central battery telephone network | ||
FR5764A Expired FR5764E (en) | Central battery telephone network |
Country Status (1)
Country | Link |
---|---|
FR (9) | FR320686A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5772717A (en) * | 1996-09-20 | 1998-06-30 | The Boc Group, Inc. | Tempering method using a two phase flow of cryogen |
-
0
- FR FR2565A patent/FR2565E/en not_active Expired
- FR FR2684A patent/FR2684E/en not_active Expired
- FR FR5763D patent/FR5763E/fr active Active
- FR FR1313A patent/FR1313E/en not_active Expired
- FR FR1316A patent/FR1316E/en not_active Expired
- FR FR1312A patent/FR1312E/en not_active Expired
- FR FR1309A patent/FR1309E/en not_active Expired
- FR FR5764A patent/FR5764E/en not_active Expired
-
1902
- 1902-04-26 FR FR320686A patent/FR320686A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR5764E (en) | 1906-10-01 |
FR2565E (en) | 1904-05-06 |
FR1313E (en) | 1904-01-05 |
FR1312E (en) | 1904-01-05 |
FR1316E (en) | 1904-01-05 |
FR5763E (en) | |
FR2684E (en) | 1904-10-05 |
FR1309E (en) | 1904-01-05 |
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