CH434388A - Circuit arrangement for the transmission of circuit symbols to be transmitted in the form of audio frequency symbols in a telecommunications system - Google Patents
Circuit arrangement for the transmission of circuit symbols to be transmitted in the form of audio frequency symbols in a telecommunications systemInfo
- Publication number
- CH434388A CH434388A CH1328565A CH1328565A CH434388A CH 434388 A CH434388 A CH 434388A CH 1328565 A CH1328565 A CH 1328565A CH 1328565 A CH1328565 A CH 1328565A CH 434388 A CH434388 A CH 434388A
- Authority
- CH
- Switzerland
- Prior art keywords
- symbols
- circuit
- transmitted
- transmission
- audio frequency
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
- Small-Scale Networks (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES93426A DE1229598B (en) | 1964-09-29 | 1964-09-29 | Circuit arrangement for the transmission of circuit symbols to be transmitted in the form of audio frequency symbols |
| DE1965S0098627 DE1274669B (en) | 1964-09-29 | 1965-08-04 | Circuit arrangement for the transmission of circuit symbols to be transmitted in the form of audio frequency symbols |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH434388A true CH434388A (en) | 1967-04-30 |
Family
ID=25997833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1328565A CH434388A (en) | 1964-09-29 | 1965-09-27 | Circuit arrangement for the transmission of circuit symbols to be transmitted in the form of audio frequency symbols in a telecommunications system |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT259637B (en) |
| BE (1) | BE670261A (en) |
| CH (1) | CH434388A (en) |
| DE (2) | DE1229598B (en) |
| FI (1) | FI42224B (en) |
| GB (1) | GB1072006A (en) |
| NL (1) | NL6512373A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2296984A1 (en) * | 1975-01-03 | 1976-07-30 | Cit Alcatel | Telecommunication multiplex connection network - uses single memory for passing unilateral data on bidirectional lines |
-
1964
- 1964-09-29 DE DES93426A patent/DE1229598B/en active Pending
-
1965
- 1965-08-04 DE DE1965S0098627 patent/DE1274669B/en not_active Withdrawn
- 1965-09-23 NL NL6512373A patent/NL6512373A/xx unknown
- 1965-09-27 CH CH1328565A patent/CH434388A/en unknown
- 1965-09-27 AT AT876965A patent/AT259637B/en active
- 1965-09-29 GB GB4129765A patent/GB1072006A/en not_active Expired
- 1965-09-29 BE BE670261D patent/BE670261A/xx unknown
- 1965-09-29 FI FI231765A patent/FI42224B/fi active
Also Published As
| Publication number | Publication date |
|---|---|
| NL6512373A (en) | 1966-03-30 |
| DE1274669B (en) | 1968-08-08 |
| DE1229598B (en) | 1966-12-01 |
| FI42224B (en) | 1970-03-02 |
| AT259637B (en) | 1968-01-25 |
| GB1072006A (en) | 1967-06-14 |
| BE670261A (en) | 1966-03-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AT259630B (en) | Transmission system for the secure transmission of impulses | |
| CH373076A (en) | Electronic switching network in a system for message transmission | |
| CH393455A (en) | Circuit arrangement in a transmission system for converting a frequency band | |
| FR1454151A (en) | Improvements to telegraph devices | |
| GB1119669A (en) | Improvements relating to high frequency circuits | |
| CH428839A (en) | System for the transmission of impulses | |
| CH364808A (en) | Electrical switchgear for the transmission of pulses from one time slot to another | |
| AT242991B (en) | Circuit arrangement for data transmission | |
| CH434388A (en) | Circuit arrangement for the transmission of circuit symbols to be transmitted in the form of audio frequency symbols in a telecommunications system | |
| AT244393B (en) | Device for distortion compensation in the transmission of communication signals | |
| CH432967A (en) | Device for hydrodynamic power transmission | |
| CH431611A (en) | Input circuit for telegraphic receiving equipment | |
| CH444236A (en) | Resonant circuit transmission network | |
| CH434376A (en) | Device for the transmission of signals | |
| AT259024B (en) | Device for carrier-frequency telephone transmission | |
| AT255480B (en) | Frequency modulator circuit | |
| CH434378A (en) | Telecommunication system for the transmission of various types of communication signals | |
| FR1445283A (en) | Frequency modulator | |
| CH423899A (en) | Process for dialing digit transmission and circuit arrangement for carrying out the process | |
| CA673330A (en) | Telegraph system using frequency modulation | |
| CH434387A (en) | Circuit arrangement for the transmission of series of current impulses in telecommunication systems, in particular telephone systems | |
| CH400250A (en) | Circuit arrangement for adapting two types of telephone network | |
| CH466863A (en) | Circuit arrangement for the transmission of information to one of several mobile substations | |
| DK132728C (en) | REAR FREQUENCY TRANSMISSION SYSTEM | |
| AU240193B2 (en) | Improvements in or relating to electric frequency shift telegraph systems |