DE214477C - - Google Patents
Info
- Publication number
- DE214477C DE214477C DENDAT214477D DE214477DA DE214477C DE 214477 C DE214477 C DE 214477C DE NDAT214477 D DENDAT214477 D DE NDAT214477D DE 214477D A DE214477D A DE 214477DA DE 214477 C DE214477 C DE 214477C
- Authority
- DE
- Germany
- Prior art keywords
- relay
- counter
- lamp
- counting
- zcr
- 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
- 230000000694 effects Effects 0.000 claims description 2
- 230000001419 dependent effect Effects 0.000 claims 1
- 238000005286 illumination Methods 0.000 claims 1
- 238000004804 winding Methods 0.000 description 15
- 230000005284 excitation Effects 0.000 description 3
- 238000013019 agitation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
- H04M15/10—Metering calls from calling party, i.e. A-party charged for the communication
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE214477C true DE214477C (cs) |
Family
ID=476054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT214477D Active DE214477C (cs) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE214477C (cs) |
-
0
- DE DENDAT214477D patent/DE214477C/de active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE214477C (cs) | ||
| DE165572C (cs) | ||
| AT42003B (de) | Gesprächszählerschaltung. | |
| DE957852C (de) | Schaltungsanordnung fur Fernsprechanlagen mit Haupt- und Unteramtern | |
| DE234687C (cs) | ||
| DE479784C (de) | Schaltung fuer mehrfluegelige Signale | |
| DE218615C (cs) | ||
| DE195374C (cs) | ||
| DE671623C (de) | Schaltungsanordnung zur Einleitung von Schaltvorgaengen in Fernsprechanlagen | |
| DE146495C (cs) | ||
| DE249545C (cs) | ||
| DE324644C (de) | Schaltungsanordnung fuer Fernsprechnebenstellen mit Waehlerbetrieb | |
| DE414434C (de) | Schaltungsanordnung fuer Fernsprechanlagen mit Vermittlungsstellen verschiedener Betriebsart | |
| DE230633C (cs) | ||
| DE147905C (cs) | ||
| DE247353C (cs) | ||
| AT16420B (de) | Schaltungsanordnung für Fernsprechämter. | |
| DE599440C (de) | Schaltungsanordnung fuer handbediente Telegraphenvermittlungsstellen, bei denen zum Abfragen und Mitlesen (bzw. Mitschreiben) derselbe Apparat verwendet wird | |
| DE217419C (cs) | ||
| DE291131C (cs) | ||
| DE135946C (cs) | ||
| DE195496C (cs) | ||
| DE612089C (de) | Schallsignalanlage | |
| DE176402C (cs) | ||
| DE597497C (de) | Schaltungsanordnung fuer Fernsprechanlagen mit Waehlerbetrieb |