ES179905A1 - MEJORAS EN O RELATIVAS A SISTEMA DE COMUNICACIoN DUPLEX - Google Patents
MEJORAS EN O RELATIVAS A SISTEMA DE COMUNICACIoN DUPLEXInfo
- Publication number
- ES179905A1 ES179905A1 ES0179905A ES179905A ES179905A1 ES 179905 A1 ES179905 A1 ES 179905A1 ES 0179905 A ES0179905 A ES 0179905A ES 179905 A ES179905 A ES 179905A ES 179905 A1 ES179905 A1 ES 179905A1
- Authority
- ES
- Spain
- Prior art keywords
- directions
- pulses
- communication system
- duplex communication
- frequency
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/54—Circuits using the same frequency for two directions of communication
- H04B1/56—Circuits using the same frequency for two directions of communication with provision for simultaneous communication in two directions
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Selective Calling Equipment (AREA)
- Transceivers (AREA)
Abstract
Mejoras en sistemas de comunicación por impulsos eléctricos de modulación en ambos sentidos que emplean la misma frecuencia portadora para las dos direcciones de transmisión en los que la interferencia debido al solape del los impulsos transmitidos y recibidos en cualquier estación se evita utilizando frecuencias de repetición de impulsos para las dos direcciones que difiere en una frecuencia que se encuentre por encima de la banda de frecuencia ocupada por las señales transmitidas por los impulsos.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1624646A GB611986A (en) | 1946-05-28 | 1946-05-28 | Improvements in or relating to electric two-way communication systems |
Publications (1)
Publication Number | Publication Date |
---|---|
ES179905A1 true ES179905A1 (es) | 1947-11-01 |
Family
ID=10073834
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES0179905A Expired ES179905A1 (es) | 1946-05-28 | 1947-09-27 | MEJORAS EN O RELATIVAS A SISTEMA DE COMUNICACIoN DUPLEX |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE482156A (es) |
ES (1) | ES179905A1 (es) |
GB (1) | GB611986A (es) |
-
0
- BE BE482156D patent/BE482156A/xx unknown
-
1946
- 1946-05-28 GB GB1624646A patent/GB611986A/en not_active Expired
-
1947
- 1947-09-27 ES ES0179905A patent/ES179905A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE482156A (es) | |
GB611986A (en) | 1948-11-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR933841A (fr) | Dispositif de transmission des ondes électromagnétiques | |
ES182498A1 (es) | UN SISTEMA DE MODULACIoN | |
ES179905A1 (es) | MEJORAS EN O RELATIVAS A SISTEMA DE COMUNICACIoN DUPLEX | |
FR951396A (fr) | Méthodes et organes de transmission de messages | |
FR969375A (fr) | Méthodes et organes de transmission de messages | |
FR942635A (fr) | Système de communication par ondes porteuses | |
CH255270A (fr) | Dispositif de réception d'ondes porteuses modulées par impulsions. | |
ES176997A1 (es) | Sistema de transmisión por modulación de frecuencia | |
CA430590A (en) | Frequency modulated wave transmission system | |
ES162196A1 (es) | Sistema de transmisión de señales por medio de ondas portadoras de frecuencia modulada | |
ES172880A1 (es) | Un dispositivo para la recepción de señales transmitidas por medio de una oscilación portadora, modulada por impulsos idénticos | |
AU117126B2 (en) | Frequency modulated carrier wave receiver circuits | |
ES182089A1 (es) | SISTEMA DE COMUNICACIoN | |
CA424968A (en) | Frequency modulated wave receiving apparatus | |
CA430562A (en) | Frequency modulation system | |
AU139744B2 (en) | Transmitting and receiving circuits for wave transmission systems | |
ES161870A1 (es) | Aparato para establecer comunicaciones de señales mediante onda portadora modulada | |
AU577942A (en) | Frequency modulated carrier wave receiver circuits | |
CA441778A (en) | Transmitting device for frequency modulated signals | |
AU137395B2 (en) | Arrangement forthe reception of carrier waves modulated by pulses | |
CA438116A (en) | Frequency modulated signal transmission and reception system | |
CA438118A (en) | Frequency modulated signal transmission and reception system | |
CA431675A (en) | Short wave communication system | |
CA411854A (en) | Frequency modulated signal relaying means | |
CA411856A (en) | Frequency modulated signal relaying means |