FR981157A - Système de modulation - Google Patents

Système de modulation

Info

Publication number
FR981157A
FR981157A FR981157DA FR981157A FR 981157 A FR981157 A FR 981157A FR 981157D A FR981157D A FR 981157DA FR 981157 A FR981157 A FR 981157A
Authority
FR
France
Prior art keywords
modulation system
modulation
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
English (en)
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR981157A publication Critical patent/FR981157A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/30—Angle modulation by means of transit-time tube
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/34—Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/34—Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps
    • H01J25/36—Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and without magnet system producing an H-field crossing the E-field
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
    • H01J25/34—Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps
    • H01J25/36—Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and without magnet system producing an H-field crossing the E-field
    • H01J25/38—Tubes in which an electron stream interacts with a wave travelling along a delay line or equivalent sequence of impedance elements, and without magnet system producing an H-field crossing the E-field the forward travelling wave being utilised
FR981157D 1948-04-06 1949-02-22 Système de modulation Expired FR981157A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US668554XA 1948-04-06 1948-04-06

Publications (1)

Publication Number Publication Date
FR981157A true FR981157A (fr) 1951-05-23

Family

ID=22072151

Family Applications (1)

Application Number Title Priority Date Filing Date
FR981157D Expired FR981157A (fr) 1948-04-06 1949-02-22 Système de modulation

Country Status (3)

Country Link
BE (1) BE487338A (fr)
FR (1) FR981157A (fr)
NL (1) NL145728B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1034713B (de) * 1954-06-21 1958-07-24 Deutsche Bundespost Anordnung zur Erhoehung der Betriebssicherheit von Wanderfeldroehrenverstaerkern

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1034713B (de) * 1954-06-21 1958-07-24 Deutsche Bundespost Anordnung zur Erhoehung der Betriebssicherheit von Wanderfeldroehrenverstaerkern

Also Published As

Publication number Publication date
BE487338A (fr)
NL145728B (nl)

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