DE114779C - - Google Patents
Info
- Publication number
- DE114779C DE114779C DE1899114779D DE114779DA DE114779C DE 114779 C DE114779 C DE 114779C DE 1899114779 D DE1899114779 D DE 1899114779D DE 114779D A DE114779D A DE 114779DA DE 114779 C DE114779 C DE 114779C
- Authority
- DE
- Germany
- Prior art keywords
- coin
- line
- office
- relay
- call
- 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 - Lifetime
Links
- 230000005611 electricity Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 description 17
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 238000004804 winding Methods 0.000 description 6
- 230000008033 biological extinction Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000000881 depressing effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000007787 solid Substances 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
- H04M17/023—Circuit arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Prepayment Telephone Systems (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT7048D AT7048B (en(2012)) | 1899-06-24 | 1900-05-30 | |
| AT24168D AT24168B (de) | 1899-06-24 | 1905-08-04 | Selbstkassierende Fernsprechstelle. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE167828T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE114779C true DE114779C (en(2012)) |
Family
ID=5686848
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT167828D Active DE167828C (en(2012)) | |||
| DE1899114779D Expired - Lifetime DE114779C (en(2012)) | 1899-06-24 | 1899-06-24 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT167828D Active DE167828C (en(2012)) |
Country Status (1)
| Country | Link |
|---|---|
| DE (2) | DE114779C (en(2012)) |
-
0
- DE DENDAT167828D patent/DE167828C/de active Active
-
1899
- 1899-06-24 DE DE1899114779D patent/DE114779C/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE167828C (en(2012)) |
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