ES362901A1 - Sistema monocanal de portadoras. - Google Patents

Sistema monocanal de portadoras.

Info

Publication number
ES362901A1
ES362901A1 ES362901A ES362901A ES362901A1 ES 362901 A1 ES362901 A1 ES 362901A1 ES 362901 A ES362901 A ES 362901A ES 362901 A ES362901 A ES 362901A ES 362901 A1 ES362901 A1 ES 362901A1
Authority
ES
Spain
Prior art keywords
exchange
ringing
subscriber
transistor
signal
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
ES362901A
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
Application filed by Alcatel Espana SA filed Critical Alcatel Espana SA
Publication of ES362901A1 publication Critical patent/ES362901A1/es
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M19/00Current supply arrangements for telephone systems
    • H04M19/08Current supply arrangements for telephone systems with current supply sources at the substations
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/02Selecting arrangements for multiplex systems for frequency-division multiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Interface Circuits In Exchanges (AREA)
ES362901A 1968-01-26 1969-01-24 Sistema monocanal de portadoras. Expired ES362901A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70078468A 1968-01-26 1968-01-26

Publications (1)

Publication Number Publication Date
ES362901A1 true ES362901A1 (es) 1970-09-01

Family

ID=24814855

Family Applications (1)

Application Number Title Priority Date Filing Date
ES362901A Expired ES362901A1 (es) 1968-01-26 1969-01-24 Sistema monocanal de portadoras.

Country Status (6)

Country Link
JP (1) JPS4938041B1 (US07714131-20100511-C00038.png)
BE (1) BE727343A (US07714131-20100511-C00038.png)
CH (1) CH505523A (US07714131-20100511-C00038.png)
ES (1) ES362901A1 (US07714131-20100511-C00038.png)
FR (1) FR2000800A1 (US07714131-20100511-C00038.png)
GB (1) GB1259302A (US07714131-20100511-C00038.png)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1093561B (it) * 1978-04-04 1985-07-19 Mauri & C Snc Autoveicoli articolato per trasproto pubblico

Also Published As

Publication number Publication date
FR2000800A1 (US07714131-20100511-C00038.png) 1969-09-12
CH505523A (de) 1971-03-31
JPS4938041B1 (US07714131-20100511-C00038.png) 1974-10-15
GB1259302A (US07714131-20100511-C00038.png) 1972-01-05
DE1903141A1 (de) 1969-08-28
BE727343A (US07714131-20100511-C00038.png) 1969-07-24
DE1903141B2 (de) 1972-10-19

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