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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Alcatel Espana SAfiledCriticalAlcatel Espana SA
Publication of ES386184A1publicationCriticalpatent/ES386184A1/es
H04M3/42—Systems providing special services or facilities to subscribers
H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
H04M3/568—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities audio processing specific to telephonic conferencing, e.g. spatial distribution, mixing of participants
H—ELECTRICITY
H04—ELECTRIC COMMUNICATION TECHNIQUE
H04M—TELEPHONIC COMMUNICATION
H04M3/00—Automatic or semi-automatic exchanges
H04M3/42—Systems providing special services or facilities to subscribers
H04M3/56—Arrangements for connecting several subscribers to a common circuit, i.e. affording conference facilities
Landscapes
Engineering & Computer Science
(AREA)
Multimedia
(AREA)
Signal Processing
(AREA)
Amplifiers
(AREA)
Interconnected Communication Systems, Intercoms, And Interphones
(AREA)
ES386184A1969-12-051970-12-04Un circuito telefonico de conferencias.
ExpiredES386184A1
(es)
Disposicion de circuito para instalaciones de enlace de telecomunicaciones, particularmente para instalaciones telefonicas, con campos de acoplamiento.
Schaltungsanordnung für Fernmelde-, insbesondere Fernsprechanlagen, in denen von den Teilnehmerstellen Wählkennzeichen und Informationskennzeichen ausgesendet werden
Schaltungsanordnung für Fernmelde-, insbesondere Fernsprechanlagen, in denen zum selbsttätigen Aufbau bestimmter Verbindungen Rufnummerngeber verwendet werden
Schaltungsanordnung für Fernmeldevermittlungsanlagen, insbesondere Fernsprechvermittlungsanlagen, für vierdrähtige Verbindungsdurchschaltung über Koppelfelder
Disposicion de circuito para sistemas de telecomunicacion yparticularmente para sistemas de conmutacion telefonica con funcionamiento en multiplex en division en el tiempo.