DE228089C - - Google Patents
Info
- Publication number
- DE228089C DE228089C DENDAT228089D DE228089DA DE228089C DE 228089 C DE228089 C DE 228089C DE NDAT228089 D DENDAT228089 D DE NDAT228089D DE 228089D A DE228089D A DE 228089DA DE 228089 C DE228089 C DE 228089C
- Authority
- DE
- Germany
- Prior art keywords
- telegraphing
- telephone
- switch
- subscriber
- telegraph
- 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
- 238000000034 method Methods 0.000 description 2
- 241000985665 Cecropia obtusifolia Species 0.000 description 1
- 210000003739 Neck Anatomy 0.000 description 1
- 210000003462 Veins Anatomy 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000994 depressed Effects 0.000 description 1
- 230000000881 depressing Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE228089C true DE228089C (zh) |
Family
ID=488500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT228089D Active DE228089C (zh) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE228089C (zh) |
-
0
- DE DENDAT228089D patent/DE228089C/de active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE228089C (zh) | ||
| DE2430713A1 (de) | Telefonanlage | |
| DE2604476A1 (de) | Einrichtung zum informieren eines anrufenden telefonteilnehmers ueber den aufenthaltsort eines anzurufenden teilnehmers | |
| DE154603C (zh) | ||
| DE147424C (zh) | ||
| DE2436256A1 (de) | Schaltungsanordnung zur zusaetzlichen zeichengabe | |
| DE134270C (zh) | ||
| DE163168C (zh) | ||
| DE187078C (zh) | ||
| DE181812C (zh) | ||
| DE961268C (de) | Schaltungsanordnung fuer Wechselsprech-Lautsprecheranlagen | |
| DE219402C (zh) | ||
| DE236479C (zh) | ||
| DE186054C (zh) | ||
| DE704531C (de) | Schaltungsanordnung fuer Fernsprechanlagen mit Waehlerbetrieb und getrennter Speisebruecke fuer den angerufenen und anrufenden Teilnehmer | |
| DE233108C (zh) | ||
| DE371812C (de) | Schaltungsanordnung fuer Fernsprechanlagen mit in Reihe geschalteten Nebenstellen | |
| DE159808C (zh) | ||
| DE222228C (zh) | ||
| DE260282C (zh) | ||
| DE311692C (zh) | ||
| DE168793C (zh) | ||
| DE244039C (zh) | ||
| DE297510C (zh) | ||
| DE1272386B (de) | Schaltungsanordnung fuer Fernsprechanlagen mit einem Vermittlungsnetzwerk |