ES182240A1 - MEJORAS EN SISTEMAS TELEFoNICOS ELECTRoNICOS SIN ELEMENTO ELECTROMAGNÉTICO - Google Patents

MEJORAS EN SISTEMAS TELEFoNICOS ELECTRoNICOS SIN ELEMENTO ELECTROMAGNÉTICO

Info

Publication number
ES182240A1
ES182240A1 ES0182240A ES182240A ES182240A1 ES 182240 A1 ES182240 A1 ES 182240A1 ES 0182240 A ES0182240 A ES 0182240A ES 182240 A ES182240 A ES 182240A ES 182240 A1 ES182240 A1 ES 182240A1
Authority
ES
Spain
Prior art keywords
telephone systems
electronic telephone
electromagnetic element
elements
electronic
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
Application number
ES0182240A
Other languages
English (en)
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 SA filed Critical Alcatel Espana SA
Publication of ES182240A1 publication Critical patent/ES182240A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
    • H04Q3/526—Optical switching systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Telephone Set Structure (AREA)
  • Telephonic Communication Services (AREA)

Abstract

Mejoras en sistemas telefónicos electrónicos sin elementos electromagnéticos, por los cuales se proveen de una disposición perfeccionada de llamada y conversación en las dos direcciones que puede ser utilizada en centrales telefónicas y en la que se utilizan elementos electrónicos exclusivamente, prescindiendo de medios o elementos electromagnéticos.
ES0182240A 1946-02-19 1948-02-10 MEJORAS EN SISTEMAS TELEFoNICOS ELECTRoNICOS SIN ELEMENTO ELECTROMAGNÉTICO Expired ES182240A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US648758A US2492179A (en) 1946-02-19 1946-02-19 Ringing arrangement for electronic switching systems

Publications (1)

Publication Number Publication Date
ES182240A1 true ES182240A1 (es) 1948-04-01

Family

ID=24602098

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0182240A Expired ES182240A1 (es) 1946-02-19 1948-02-10 MEJORAS EN SISTEMAS TELEFoNICOS ELECTRoNICOS SIN ELEMENTO ELECTROMAGNÉTICO

Country Status (5)

Country Link
US (2) US2492179A (es)
CH (1) CH285635A (es)
DE (1) DE920912C (es)
ES (1) ES182240A1 (es)
GB (1) GB650875A (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR974379A (es) * 1947-10-27 1951-02-21
BE497954A (es) * 1949-09-06
US2773937A (en) * 1949-12-24 1956-12-11 Gen Dynamics Corp Electronic signaling and switching system
BE500226A (es) * 1949-12-24
US2872518A (en) * 1951-11-23 1959-02-03 Gen Dynamics Corp Party line telephone system
US2889408A (en) * 1951-11-23 1959-06-02 Gen Dynamics Corp Telephone system
US2857463A (en) * 1951-11-23 1958-10-21 Gen Dynamics Corp Telephone system
US2832832A (en) * 1952-12-17 1958-04-29 Gen Dynamics Corp Telephone system
US2944112A (en) * 1954-03-15 1960-07-05 Telephony
US3080547A (en) * 1958-11-03 1963-03-05 Motorola Inc Selective calling apparatus

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2214019A (en) * 1937-10-30 1940-09-10 Bell Telephone Labor Inc Electronic switching device
US2239825A (en) * 1938-04-22 1941-04-29 Associated Electric Lab Inc Telephone apparatus
US2257795A (en) * 1939-05-27 1941-10-07 Bell Telephone Labor Inc Electron discharge apparatus and circuits
US2241031A (en) * 1940-01-23 1941-05-06 Bell Telephone Labor Inc Telephone system
US2289503A (en) * 1940-05-01 1942-07-14 Bell Telephone Labor Inc Telephone system
US2387018A (en) * 1942-08-05 1945-10-16 Bell Lab Inc Communication system
US2379715A (en) * 1942-10-09 1945-07-03 Bell Telephone Labor Inc Communication system

Also Published As

Publication number Publication date
DE920912C (de) 1954-12-02
US2492179A (en) 1949-12-27
CH285635A (fr) 1952-09-15
GB650875A (en) 1951-03-07
USRE23418E (en) 1951-10-16

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