DE195238C - - Google Patents
Info
- Publication number
- DE195238C DE195238C DENDAT195238D DE195238DA DE195238C DE 195238 C DE195238 C DE 195238C DE NDAT195238 D DENDAT195238 D DE NDAT195238D DE 195238D A DE195238D A DE 195238DA DE 195238 C DE195238 C DE 195238C
- Authority
- DE
- Germany
- Prior art keywords
- housing
- door
- receiver
- telephone
- coin
- 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.)
- Active
Links
- 230000002787 reinforcement Effects 0.000 claims description 4
- 230000003321 amplification Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
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)
- Telephone Set Structure (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE195238C true DE195238C (enrdf_load_stackoverflow) |
Family
ID=458310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT195238D Active DE195238C (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE195238C (enrdf_load_stackoverflow) |
-
0
- DE DENDAT195238D patent/DE195238C/de active Active
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