FR1138748A - Modulator and demodulator device - Google Patents

Modulator and demodulator device

Info

Publication number
FR1138748A
FR1138748A FR1138748DA FR1138748A FR 1138748 A FR1138748 A FR 1138748A FR 1138748D A FR1138748D A FR 1138748DA FR 1138748 A FR1138748 A FR 1138748A
Authority
FR
France
Prior art keywords
modulator
demodulator device
demodulator
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
Other languages
French (fr)
Inventor
Erich Hannewald
Siegfried Friedrich
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.)
Felten and Guilleaume Fernmeldeanlagen GmbH
Felten and Guilleaume AG
Original Assignee
Felten and Guilleaume Fernmeldeanlagen GmbH
Felten and Guilleaume AG
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 GB1657255A external-priority patent/GB814894A/en
Application filed by Felten and Guilleaume Fernmeldeanlagen GmbH, Felten and Guilleaume AG filed Critical Felten and Guilleaume Fernmeldeanlagen GmbH
Application granted granted Critical
Publication of FR1138748A publication Critical patent/FR1138748A/en
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
FR1138748D 1955-06-09 1955-06-14 Modulator and demodulator device Expired FR1138748A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1657255A GB814894A (en) 1955-06-09 An improved modulator and demodulator arrangement

Publications (1)

Publication Number Publication Date
FR1138748A true FR1138748A (en) 1957-06-19

Family

ID=10079727

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1138748D Expired FR1138748A (en) 1955-06-09 1955-06-14 Modulator and demodulator device

Country Status (3)

Country Link
BE (1) BE538945A (en)
FR (1) FR1138748A (en)
NL (2) NL147978B (en)

Also Published As

Publication number Publication date
NL147978B (en)
NL103783C (en)
BE538945A (en)

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