FR1245667A - Perfectionnement aux montages changeurs de fréquence pour voies et groupes de voiesde système multiplex - Google Patents

Perfectionnement aux montages changeurs de fréquence pour voies et groupes de voiesde système multiplex

Info

Publication number
FR1245667A
FR1245667A FR806246A FR806246A FR1245667A FR 1245667 A FR1245667 A FR 1245667A FR 806246 A FR806246 A FR 806246A FR 806246 A FR806246 A FR 806246A FR 1245667 A FR1245667 A FR 1245667A
Authority
FR
France
Prior art keywords
channels
improvement
groups
multiplex system
frequency changers
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
FR806246A
Other languages
English (en)
Inventor
Jean Salzmann
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.)
Societe Anonyme de Telecommunications SAT
Original Assignee
Societe Anonyme de Telecommunications SAT
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 Societe Anonyme de Telecommunications SAT filed Critical Societe Anonyme de Telecommunications SAT
Priority to FR806246A priority Critical patent/FR1245667A/fr
Priority to US44782A priority patent/US3056095A/en
Priority to DES70193A priority patent/DE1136386B/de
Priority to GB33449/60A priority patent/GB902986A/en
Application granted granted Critical
Publication of FR1245667A publication Critical patent/FR1245667A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/52—Modulators in which carrier or one sideband is wholly or partially suppressed
    • H03C1/54—Balanced modulators, e.g. bridge type, ring type or double balanced type
    • H03C1/56—Balanced modulators, e.g. bridge type, ring type or double balanced type comprising variable two-pole elements only
    • H03C1/58—Balanced modulators, e.g. bridge type, ring type or double balanced type comprising variable two-pole elements only comprising diodes
FR806246A 1959-09-29 1959-09-29 Perfectionnement aux montages changeurs de fréquence pour voies et groupes de voiesde système multiplex Expired FR1245667A (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR806246A FR1245667A (fr) 1959-09-29 1959-09-29 Perfectionnement aux montages changeurs de fréquence pour voies et groupes de voiesde système multiplex
US44782A US3056095A (en) 1959-09-29 1960-07-22 Ring modulator system
DES70193A DE1136386B (de) 1959-09-29 1960-09-02 Anordnung zur Frequenzumsetzung
GB33449/60A GB902986A (en) 1959-09-29 1960-09-29 Improvements in or relating to frequency changing devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR806246A FR1245667A (fr) 1959-09-29 1959-09-29 Perfectionnement aux montages changeurs de fréquence pour voies et groupes de voiesde système multiplex

Publications (1)

Publication Number Publication Date
FR1245667A true FR1245667A (fr) 1960-11-10

Family

ID=8719598

Family Applications (1)

Application Number Title Priority Date Filing Date
FR806246A Expired FR1245667A (fr) 1959-09-29 1959-09-29 Perfectionnement aux montages changeurs de fréquence pour voies et groupes de voiesde système multiplex

Country Status (4)

Country Link
US (1) US3056095A (fr)
DE (1) DE1136386B (fr)
FR (1) FR1245667A (fr)
GB (1) GB902986A (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE696583C (de) * 1936-07-01 1940-09-25 Siemens Ag Modulatorschaltung
US2236856A (en) * 1939-03-29 1941-04-01 Bell Telephone Labor Inc Modulating system
US2829343A (en) * 1956-06-22 1958-04-01 Daystrom Inc Load meter

Also Published As

Publication number Publication date
US3056095A (en) 1962-09-25
DE1136386B (de) 1962-09-13
GB902986A (en) 1962-08-09

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