ES178259A1 - Mejoras en sistemas de telecomunicacion - Google Patents

Mejoras en sistemas de telecomunicacion

Info

Publication number
ES178259A1
ES178259A1 ES0178259A ES178259A ES178259A1 ES 178259 A1 ES178259 A1 ES 178259A1 ES 0178259 A ES0178259 A ES 0178259A ES 178259 A ES178259 A ES 178259A ES 178259 A1 ES178259 A1 ES 178259A1
Authority
ES
Spain
Prior art keywords
lines
electrodes
control grid
electronic
telecommunication systems
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
ES0178259A
Other languages
English (en)
Spanish (es)
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
Priority claimed from US654326A external-priority patent/US2492136A/en
Application filed by Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES178259A1 publication Critical patent/ES178259A1/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)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Meter Arrangements (AREA)
  • Particle Accelerators (AREA)
ES0178259A 1946-03-14 1947-05-30 Mejoras en sistemas de telecomunicacion Expired ES178259A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US654326A US2492136A (en) 1946-03-14 1946-03-14 Electronic telephone exchange

Publications (1)

Publication Number Publication Date
ES178259A1 true ES178259A1 (es) 1947-07-16

Family

ID=24624394

Family Applications (1)

Application Number Title Priority Date Filing Date
ES0178259A Expired ES178259A1 (es) 1946-03-14 1947-05-30 Mejoras en sistemas de telecomunicacion

Country Status (4)

Country Link
US (1) USRE23363E (de)
CH (1) CH276281A (de)
ES (1) ES178259A1 (de)
GB (1) GB645871A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT454454A (de) * 1948-05-15
BE500226A (de) * 1949-12-24
US2773937A (en) * 1949-12-24 1956-12-11 Gen Dynamics Corp Electronic signaling and switching system
DE1007379B (de) * 1955-03-16 1957-05-02 Siemens Ag Elektronisches Vermittlungssystem

Also Published As

Publication number Publication date
USRE23363E (en) 1951-05-08
GB645871A (en) 1950-11-08
CH276281A (de) 1951-06-30

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