DE270384C - - Google Patents
Info
- Publication number
- DE270384C DE270384C DENDAT270384D DE270384DA DE270384C DE 270384 C DE270384 C DE 270384C DE NDAT270384 D DENDAT270384 D DE NDAT270384D DE 270384D A DE270384D A DE 270384DA DE 270384 C DE270384 C DE 270384C
- Authority
- DE
- Germany
- Prior art keywords
- contact
- lever
- telephone
- signal
- 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.)
- Active
Links
- 230000001960 triggered effect Effects 0.000 claims description 3
- 230000011664 signaling Effects 0.000 claims description 2
- 230000009471 action Effects 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241000947840 Alteromonadales Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000036461 convulsion Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000008569 process Effects 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
-
- 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)
- Devices For Checking Fares Or Tickets At Control Points (AREA)
- Prepayment Telephone Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE270384T |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE270384C true DE270384C (en(2012)) |
Family
ID=5999949
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT293061D Active DE293061C (en(2012)) | |||
| DENDAT270384D Active DE270384C (en(2012)) | |||
| DENDAT278952D Active DE278952C (en(2012)) |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT293061D Active DE293061C (en(2012)) |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT278952D Active DE278952C (en(2012)) |
Country Status (1)
| Country | Link |
|---|---|
| DE (3) | DE278952C (en(2012)) |
-
0
- DE DENDAT293061D patent/DE293061C/de active Active
- DE DENDAT270384D patent/DE270384C/de active Active
- DE DENDAT278952D patent/DE278952C/de active Active
Also Published As
| Publication number | Publication date |
|---|---|
| DE293061C (en(2012)) | |
| DE278952C (en(2012)) |
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