FR835813A - Prepayment telephone device - Google Patents
Prepayment telephone deviceInfo
- Publication number
- FR835813A FR835813A FR835813DA FR835813A FR 835813 A FR835813 A FR 835813A FR 835813D A FR835813D A FR 835813DA FR 835813 A FR835813 A FR 835813A
- Authority
- FR
- France
- Prior art keywords
- telephone device
- prepayment telephone
- prepayment
- 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
- H04M17/00—Prepayment of wireline communication systems, wireless communication systems or telephone systems
- H04M17/02—Coin-freed or check-freed systems, e.g. mobile- or card-operated phones, public telephones or booths
- H04M17/026—Constructional features
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1937T0049069 DE702244C (en) | 1937-08-18 | 1937-08-18 | Coin operated telephone |
Publications (1)
Publication Number | Publication Date |
---|---|
FR835813A true FR835813A (en) | 1939-01-04 |
Family
ID=5774198
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR835813D Expired FR835813A (en) | 1937-08-18 | 1938-03-28 | Prepayment telephone device |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH202986A (en) |
DE (1) | DE702244C (en) |
FR (1) | FR835813A (en) |
GB (1) | GB496356A (en) |
NL (1) | NL51409C (en) |
-
1937
- 1937-08-18 DE DE1937T0049069 patent/DE702244C/en not_active Expired
-
1938
- 1938-03-07 GB GB715238A patent/GB496356A/en not_active Expired
- 1938-03-18 CH CH202986D patent/CH202986A/en unknown
- 1938-03-18 NL NL86954A patent/NL51409C/xx active
- 1938-03-28 FR FR835813D patent/FR835813A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL51409C (en) | 1941-11-15 |
GB496356A (en) | 1938-11-29 |
CH202986A (en) | 1939-02-15 |
DE702244C (en) | 1941-02-03 |
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