NL68724C - - Google Patents

Info

Publication number
NL68724C
NL68724C NL68724DA NL68724C NL 68724 C NL68724 C NL 68724C NL 68724D A NL68724D A NL 68724DA NL 68724 C NL68724 C NL 68724C
Authority
NL
Netherlands
Application number
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.)
Publication of NL68724C publication Critical patent/NL68724C/xx
Priority to NL645905X priority Critical

Links

Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01KELECTRIC INCANDESCENT LAMPS
    • H01K7/00Lamps for purposes other than general lighting
    • H01K7/02Lamps for purposes other than general lighting for producing a narrow beam of light; for approximating a point-like source of light, e.g. for searchlight, for cinematographic projector
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00Networks using active elements
    • H03H11/02Multiple-port networks
    • H03H11/04Frequency selective two-port networks
    • H03H11/12Frequency selective two-port networks using amplifiers with feedback
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/002Gyrators
    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01Frequency selective two-port networks
    • H03H7/0153Electrical filters; Controlling thereof
    • H03H7/0161Bandpass filters
    • H03H7/0169Intermediate frequency filters
    • H03H7/0184Intermediate frequency filters with ferromagnetic core
NL68724D 1947-04-29 NL68724C (xx)

Priority Applications (1)

Application Number Priority Date Filing Date Title
NL645905X 1947-04-29

Publications (1)

Publication Number Publication Date
NL68724C true NL68724C (xx)

Family

ID=19791923

Family Applications (1)

Application Number Title Priority Date Filing Date
NL68724D NL68724C (xx) 1947-04-29

Country Status (5)

Country Link
US (1) US2647239A (xx)
BE (1) BE482214A (xx)
FR (1) FR965369A (xx)
GB (1) GB645905A (xx)
NL (1) NL68724C (xx)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1066294B (xx) * 1951-03-01
NL95547C (xx) * 1952-08-01
US2794864A (en) * 1952-08-01 1957-06-04 Bell Telephone Labor Inc Nonreciprocal circuits employing negative resistance elements
US2885492A (en) * 1952-08-30 1959-05-05 Bell Telephone Labor Inc Repeater systems employing non-reciprocal coupling devices
US2845595A (en) * 1952-12-06 1958-07-29 Gen Electric Apparatus for measuring electrical quantities
US2802068A (en) * 1953-05-11 1957-08-06 Robert H Harwood System of impedance matching utilizing grounded-grid amplifier termination
US2849642A (en) * 1953-06-17 1958-08-26 Bell Telephone Labor Inc Traveling wave amplifier
US2788396A (en) * 1953-06-18 1957-04-09 Bell Telephone Labor Inc Balancing arrangement
US2944212A (en) * 1953-07-06 1960-07-05 Varian Associates Gyromagnetic resonance apparatus
US2894209A (en) * 1953-07-13 1959-07-07 Varian Associates Gyromagnetic resonance apparatus
US2811697A (en) * 1953-09-16 1957-10-29 Bell Telephone Labor Inc Magnetoelectric induction devices
US2887665A (en) * 1953-12-31 1959-05-19 Bell Telephone Labor Inc High frequency isolator
US2873370A (en) * 1955-08-15 1959-02-10 Levinthal Electronics Products Microwave pulse generator
NL212080A (xx) * 1956-11-09
US2868980A (en) * 1956-12-13 1959-01-13 Bell Telephone Labor Inc Frequency changer and wave amplifier
US3010085A (en) * 1958-11-17 1961-11-21 Bell Telephone Labor Inc Isolators in lumped constant systems
US3047821A (en) * 1960-12-27 1962-07-31 Aircraft Armaments Inc Isolator using hall effect gyrator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1822129A (en) * 1926-07-09 1931-09-08 Invex Corp System and apparatus employing the hall effect
US1948209A (en) * 1931-10-05 1934-02-20 Fichandler Carl Magnetoresistive system and apparatus
US2383475A (en) * 1942-07-18 1945-08-28 Standard Telephones Cables Ltd Transformer
US2379168A (en) * 1942-08-06 1945-06-26 Westinghouse Electric Corp Thermionic tube circuits
FR970066A (xx) * 1947-08-16 1950-12-29

Also Published As

Publication number Publication date
BE482214A (xx)
US2647239A (en) 1953-07-28
FR965369A (xx) 1950-09-11
GB645905A (en) 1950-11-08

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