FR952475A - Dispositif amplificateur pour haute fréquence - Google Patents

Dispositif amplificateur pour haute fréquence

Info

Publication number
FR952475A
FR952475A FR952475DA FR952475A FR 952475 A FR952475 A FR 952475A FR 952475D A FR952475D A FR 952475DA FR 952475 A FR952475 A FR 952475A
Authority
FR
France
Prior art keywords
high frequency
amplifier device
amplifier
frequency
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)
French (fr)
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 FR952475A publication Critical patent/FR952475A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23F—MAKING GEARS OR TOOTHED RACKS
    • B23F5/00—Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made
    • B23F5/02—Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by grinding
    • B23F5/06—Making straight gear teeth involving moving a tool relatively to a workpiece with a rolling-off or an enveloping motion with respect to the gear teeth to be made by grinding the tool being a grinding disc with a plane front surface
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/36—Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy
    • H01J23/40—Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy to or from the interaction circuit
    • H01J23/42—Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy to or from the interaction circuit the interaction circuit being a helix or a helix-derived slow-wave structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/36—Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy
    • H01J23/40—Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy to or from the interaction circuit
    • H01J23/48—Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy to or from the interaction circuit for linking interaction circuit with coaxial lines; Devices of the coupled helices type
    • H01J23/52—Coupling devices having distributed capacitance and inductance, structurally associated with the tube, for introducing or removing wave energy to or from the interaction circuit for linking interaction circuit with coaxial lines; Devices of the coupled helices type the coupled helices being disposed coaxially around one another

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Microwave Amplifiers (AREA)
FR952475D 1946-10-23 1947-08-26 Dispositif amplificateur pour haute fréquence Expired FR952475A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US705181A US2673900A (en) 1946-10-23 1946-10-23 High-frequency amplifying device

Publications (1)

Publication Number Publication Date
FR952475A true FR952475A (fr) 1949-11-17

Family

ID=24832375

Family Applications (1)

Application Number Title Priority Date Filing Date
FR952475D Expired FR952475A (fr) 1946-10-23 1947-08-26 Dispositif amplificateur pour haute fréquence

Country Status (3)

Country Link
US (1) US2673900A (xx)
FR (1) FR952475A (xx)
NL (1) NL74575C (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012042019A2 (en) 2010-10-01 2012-04-05 L'oreal Process for treating keratin fibres using at least one sulfureous reducing agent, at least one cationic polymer and at least one mercaptosiloxane.

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735933A (en) * 1956-02-21 Pulse repeater
BE524061A (xx) * 1952-04-08 1900-01-01
US2848645A (en) * 1954-04-29 1958-08-19 Sperry Rand Corp Travelling wave tubes
DE1073636B (de) * 1954-12-31 1960-01-21 N. V. Philips' Gloeilampenfabrieken, Eindhoven (Niederlande) Ankopplungsanordnung für eine Wanderfeldröhre mit einer Wendel als Verzögerungsleitung
BE547879A (xx) * 1955-05-18
US2888594A (en) * 1957-04-24 1959-05-26 Bell Telephone Labor Inc Traveling wave tube
US3104344A (en) * 1960-04-06 1963-09-17 Itt High power traveling wave tube
US3491291A (en) * 1966-06-27 1970-01-20 Beloit Iron Works Resonant loop single conductor surface wave device

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL40884C (xx) * 1933-10-23
US2064469A (en) * 1933-10-23 1936-12-15 Rca Corp Device for and method of controlling high frequency currents
US2122538A (en) * 1935-01-22 1938-07-05 American Telephone & Telegraph Wave amplifier
US2289756A (en) * 1938-05-27 1942-07-14 Int Standard Electric Corp Electron tube and circuits employing it
US2375223A (en) * 1939-08-24 1945-05-08 Univ Leland Stanford Junior Dielectric guide signaling
US2368031A (en) * 1940-03-15 1945-01-23 Bell Telephone Labor Inc Electron discharge device
NL62817C (xx) * 1940-05-04
FR957330A (xx) * 1940-05-17 1950-02-18
US2404086A (en) * 1942-10-07 1946-07-16 Westinghouse Electric Corp Coupling device
US2433074A (en) * 1943-07-02 1947-12-23 Raytheon Mfg Co High-frequency coupling device
US2442118A (en) * 1943-07-29 1948-05-25 Rca Corp Coupling device for high-frequency apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012042019A2 (en) 2010-10-01 2012-04-05 L'oreal Process for treating keratin fibres using at least one sulfureous reducing agent, at least one cationic polymer and at least one mercaptosiloxane.

Also Published As

Publication number Publication date
NL74575C (xx)
US2673900A (en) 1954-03-30

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