BE451098A - - Google Patents
Info
- Publication number
- BE451098A BE451098A BE451098DA BE451098A BE 451098 A BE451098 A BE 451098A BE 451098D A BE451098D A BE 451098DA BE 451098 A BE451098 A BE 451098A
- Authority
- BE
- Belgium
Links
Classifications
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- 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
- H04M17/023—Circuit arrangements
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- 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
- H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
- H04M1/274—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE235159X | 1942-05-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
BE451098A true BE451098A (ru) |
Family
ID=5895418
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE451098D BE451098A (ru) | 1942-05-04 |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE451098A (ru) |
CH (1) | CH235159A (ru) |
FR (1) | FR894893A (ru) |
-
0
- BE BE451098D patent/BE451098A/xx unknown
-
1943
- 1943-04-30 CH CH235159D patent/CH235159A/de unknown
- 1943-05-24 FR FR894893D patent/FR894893A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR894893A (fr) | 1945-01-09 |
CH235159A (de) | 1944-11-15 |