BE332329A - - Google Patents
Info
- Publication number
- BE332329A BE332329A BE332329DA BE332329A BE 332329 A BE332329 A BE 332329A BE 332329D A BE332329D A BE 332329DA BE 332329 A BE332329 A BE 332329A
- Authority
- BE
- Belgium
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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/08—Indicating faults in circuits or apparatus
- H04M3/12—Marking faulty circuits "busy"; Enabling equipment to disengage itself from faulty circuits ; Using redundant circuits; Response of a circuit, apparatus or system to an error
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Telephone Set Structure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEE33672D DE543479C (de) | 1926-02-06 | 1926-02-06 | Selbstkassierende Fernsprechstelle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE332329A true BE332329A (US07714131-20100511-C00024.png) |
Family
ID=7076334
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE356061D BE356061A (US07714131-20100511-C00024.png) | 1926-02-06 | ||
| BE332329D BE332329A (US07714131-20100511-C00024.png) | 1926-02-06 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE356061D BE356061A (US07714131-20100511-C00024.png) | 1926-02-06 |
Country Status (3)
| Country | Link |
|---|---|
| BE (2) | BE332329A (US07714131-20100511-C00024.png) |
| CH (1) | CH120657A (US07714131-20100511-C00024.png) |
| DE (1) | DE543479C (US07714131-20100511-C00024.png) |
-
0
- BE BE356061D patent/BE356061A/xx unknown
- BE BE332329D patent/BE332329A/xx unknown
-
1926
- 1926-02-06 DE DEE33672D patent/DE543479C/de not_active Expired
- 1926-02-08 CH CH120657D patent/CH120657A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH120657A (de) | 1927-08-01 |
| BE356061A (US07714131-20100511-C00024.png) | |
| DE543479C (de) | 1932-02-11 |
