GB716257A - Improvements in or relating to electric impedance networks - Google Patents

Improvements in or relating to electric impedance networks

Info

Publication number
GB716257A
GB716257A GB22399/51A GB2239951A GB716257A GB 716257 A GB716257 A GB 716257A GB 22399/51 A GB22399/51 A GB 22399/51A GB 2239951 A GB2239951 A GB 2239951A GB 716257 A GB716257 A GB 716257A
Authority
GB
United Kingdom
Prior art keywords
ring
impedance
sept
winding
looking
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
GB22399/51A
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.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries Ltd
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 Philips Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB716257A publication Critical patent/GB716257A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/0153—Electrical filters; Controlling thereof
    • H03H7/0161—Bandpass filters
    • H03H7/0169—Intermediate frequency filters
    • H03H7/0184—Intermediate frequency filters with ferromagnetic core
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/002—Gyrators

Landscapes

  • Coils Or Transformers For Communication (AREA)
  • Transformers For Measuring Instruments (AREA)
GB22399/51A 1950-09-28 1951-09-25 Improvements in or relating to electric impedance networks Expired GB716257A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL296466X 1950-09-28

Publications (1)

Publication Number Publication Date
GB716257A true GB716257A (en) 1954-09-29

Family

ID=19782997

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22399/51A Expired GB716257A (en) 1950-09-28 1951-09-25 Improvements in or relating to electric impedance networks

Country Status (6)

Country Link
BE (1) BE506082A (es)
CH (1) CH296466A (es)
DE (1) DE916333C (es)
FR (1) FR1043309A (es)
GB (1) GB716257A (es)
NL (2) NL76827C (es)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2895114A (en) * 1955-11-03 1959-07-14 Bell Telephone Labor Inc Nonreciprocal circuit element
US2925565A (en) * 1955-05-12 1960-02-16 Bell Telephone Labor Inc Coaxial couplers
US2944229A (en) * 1956-11-09 1960-07-05 Philips Corp Non-reciprocal electric coupling device
US3010085A (en) * 1958-11-17 1961-11-21 Bell Telephone Labor Inc Isolators in lumped constant systems
US3038133A (en) * 1956-11-09 1962-06-05 Philips Corp Non-reciprocal electric coupling device

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE517412A (es) * 1952-02-05
GB819134A (en) * 1954-11-26 1959-08-26 Nat Res Dev Improvements in or relating to electro-magnetic devices
DE1062294B (de) * 1955-02-17 1959-07-30 Siemens Ag Hochfrequenz-Magnetvariometer
DE1213072B (de) * 1958-05-16 1966-03-24 Lignes Telegraph Telephon Nichtreziproker passiver Vierpol

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2925565A (en) * 1955-05-12 1960-02-16 Bell Telephone Labor Inc Coaxial couplers
US2895114A (en) * 1955-11-03 1959-07-14 Bell Telephone Labor Inc Nonreciprocal circuit element
US2944229A (en) * 1956-11-09 1960-07-05 Philips Corp Non-reciprocal electric coupling device
US3038133A (en) * 1956-11-09 1962-06-05 Philips Corp Non-reciprocal electric coupling device
US3010085A (en) * 1958-11-17 1961-11-21 Bell Telephone Labor Inc Isolators in lumped constant systems

Also Published As

Publication number Publication date
NL156296B (nl)
DE916333C (de) 1954-08-09
NL76827C (es)
BE506082A (es)
CH296466A (de) 1954-02-15
FR1043309A (fr) 1953-11-09

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