US2673900A - High-frequency amplifying device - Google Patents

High-frequency amplifying device Download PDF

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Publication number
US2673900A
US2673900A US705181A US70518146A US2673900A US 2673900 A US2673900 A US 2673900A US 705181 A US705181 A US 705181A US 70518146 A US70518146 A US 70518146A US 2673900 A US2673900 A US 2673900A
Authority
US
United States
Prior art keywords
helix
wave
wave guide
coupling
impedance
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 - Lifetime
Application number
US705181A
Other languages
English (en)
Inventor
William W Mumford
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
Bell Telephone Laboratories 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
Priority to NL74575D priority Critical patent/NL74575C/xx
Priority to NL135247D priority patent/NL135247C/xx
Priority to US704858A priority patent/US2602148A/en
Application filed by Bell Telephone Laboratories Inc filed Critical Bell Telephone Laboratories Inc
Priority to US705181A priority patent/US2673900A/en
Priority to FR952475D priority patent/FR952475A/fr
Application granted granted Critical
Publication of US2673900A publication Critical patent/US2673900A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Microwave Amplifiers (AREA)
US705181A 1946-10-22 1946-10-23 High-frequency amplifying device Expired - Lifetime US2673900A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL74575D NL74575C (xx) 1946-10-23
NL135247D NL135247C (xx) 1946-10-22
US704858A US2602148A (en) 1946-10-22 1946-10-22 High-frequency amplifier
US705181A US2673900A (en) 1946-10-23 1946-10-23 High-frequency amplifying device
FR952475D FR952475A (fr) 1946-10-23 1947-08-26 Dispositif amplificateur pour haute fréquence

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
US2673900A true US2673900A (en) 1954-03-30

Family

ID=24832375

Family Applications (1)

Application Number Title Priority Date Filing Date
US705181A Expired - Lifetime US2673900A (en) 1946-10-22 1946-10-23 High-frequency amplifying device

Country Status (3)

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

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735933A (en) * 1956-02-21 Pulse repeater
US2848645A (en) * 1954-04-29 1958-08-19 Sperry Rand Corp Travelling wave tubes
US2856555A (en) * 1955-05-18 1958-10-14 Int Standard Electric Corp Traveling wave tube
US2888594A (en) * 1957-04-24 1959-05-26 Bell Telephone Labor Inc Traveling wave tube
US2911599A (en) * 1952-04-08 1959-11-03 Int Standard Electric Corp Attenuation for traveling-wave tubes
US2917655A (en) * 1954-12-31 1959-12-15 Philips Corp Electric transmission line
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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2965481B1 (fr) 2010-10-01 2013-04-19 Oreal Procede de traitement des fibres keratiniques mettant en oeuvre au moins un reducteur soufre, au moins un polymere cationique et au moins un mercaptosiloxane

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US2233126A (en) * 1933-10-23 1941-02-25 Rca Corp Device for and method of controlling high frequency currents
US2289756A (en) * 1938-05-27 1942-07-14 Int Standard Electric Corp Electron tube and circuits employing it
US2300052A (en) * 1940-05-04 1942-10-27 Rca Corp Electron discharge device system
US2367295A (en) * 1940-05-17 1945-01-16 Bell Telephone Labor Inc Electron discharge device
US2368031A (en) * 1940-03-15 1945-01-23 Bell Telephone Labor Inc Electron discharge device
US2375223A (en) * 1939-08-24 1945-05-08 Univ Leland Stanford Junior Dielectric guide signaling
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

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2064469A (en) * 1933-10-23 1936-12-15 Rca Corp Device for and method of controlling high frequency currents
US2233126A (en) * 1933-10-23 1941-02-25 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
US2300052A (en) * 1940-05-04 1942-10-27 Rca Corp Electron discharge device system
US2367295A (en) * 1940-05-17 1945-01-16 Bell Telephone Labor Inc Electron discharge device
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 (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2735933A (en) * 1956-02-21 Pulse repeater
US2911599A (en) * 1952-04-08 1959-11-03 Int Standard Electric Corp Attenuation for traveling-wave tubes
US2848645A (en) * 1954-04-29 1958-08-19 Sperry Rand Corp Travelling wave tubes
US2917655A (en) * 1954-12-31 1959-12-15 Philips Corp Electric transmission line
US2856555A (en) * 1955-05-18 1958-10-14 Int Standard Electric Corp Traveling wave tube
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

Also Published As

Publication number Publication date
FR952475A (fr) 1949-11-17
NL74575C (xx)

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