FR1493522A - Perfectionnements aux dispositifs de moudlation - Google Patents

Perfectionnements aux dispositifs de moudlation

Info

Publication number
FR1493522A
FR1493522A FR63238A FR63238A FR1493522A FR 1493522 A FR1493522 A FR 1493522A FR 63238 A FR63238 A FR 63238A FR 63238 A FR63238 A FR 63238A FR 1493522 A FR1493522 A FR 1493522A
Authority
FR
France
Prior art keywords
grinding devices
grinding
devices
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
FR63238A
Other languages
English (en)
Inventor
Roland Gosmand
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston 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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to FR63238A priority Critical patent/FR1493522A/fr
Priority to NL6707378A priority patent/NL6707378A/xx
Priority to GB24744/67A priority patent/GB1178325A/en
Priority to DE19671591045 priority patent/DE1591045A1/de
Application granted granted Critical
Publication of FR1493522A publication Critical patent/FR1493522A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/10—Angle modulation by means of variable impedance
    • H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
    • H03C3/14—Angle modulation by means of variable impedance by means of a variable reactive element simulated by circuit comprising active element with at least three electrodes, e.g. reactance-tube circuit
    • H03C3/145—Angle modulation by means of variable impedance by means of a variable reactive element simulated by circuit comprising active element with at least three electrodes, e.g. reactance-tube circuit by using semiconductor elements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/10—Angle modulation by means of variable impedance
    • H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
    • H03C3/22—Angle modulation by means of variable impedance by means of a variable reactive element the element being a semiconductor diode, e.g. varicap diode
    • H03C3/222—Angle modulation by means of variable impedance by means of a variable reactive element the element being a semiconductor diode, e.g. varicap diode using bipolar transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C2200/00—Indexing scheme relating to details of modulators or modulation methods covered by H03C
    • H03C2200/0004—Circuit elements of modulators
    • H03C2200/0008—Variable capacitors, e.g. a varicap, a varactor or a variable capacitance of a diode or transistor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C2200/00—Indexing scheme relating to details of modulators or modulation methods covered by H03C
    • H03C2200/0037—Functional aspects of modulators
    • H03C2200/0079—Measures to linearise modulation or reduce distortion of modulation characteristics
FR63238A 1966-05-27 1966-05-27 Perfectionnements aux dispositifs de moudlation Expired FR1493522A (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR63238A FR1493522A (fr) 1966-05-27 1966-05-27 Perfectionnements aux dispositifs de moudlation
NL6707378A NL6707378A (fr) 1966-05-27 1967-05-26
GB24744/67A GB1178325A (en) 1966-05-27 1967-05-26 Improvements in Modulation Devices.
DE19671591045 DE1591045A1 (de) 1966-05-27 1967-05-26 Phasenmodulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR63238A FR1493522A (fr) 1966-05-27 1966-05-27 Perfectionnements aux dispositifs de moudlation

Publications (1)

Publication Number Publication Date
FR1493522A true FR1493522A (fr) 1967-09-01

Family

ID=8609605

Family Applications (1)

Application Number Title Priority Date Filing Date
FR63238A Expired FR1493522A (fr) 1966-05-27 1966-05-27 Perfectionnements aux dispositifs de moudlation

Country Status (4)

Country Link
DE (1) DE1591045A1 (fr)
FR (1) FR1493522A (fr)
GB (1) GB1178325A (fr)
NL (1) NL6707378A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4494081A (en) * 1982-05-24 1985-01-15 Rca Corporation Variable frequency U. H. F. local oscillator for a television receiver

Also Published As

Publication number Publication date
NL6707378A (fr) 1967-11-28
GB1178325A (en) 1970-01-21
DE1591045A1 (de) 1970-08-20

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