GB308664A - Improvements in or relating to impedance matching devices suitable for use in high frequency transmission systems - Google Patents

Improvements in or relating to impedance matching devices suitable for use in high frequency transmission systems

Info

Publication number
GB308664A
GB308664A GB9621/29A GB962129A GB308664A GB 308664 A GB308664 A GB 308664A GB 9621/29 A GB9621/29 A GB 9621/29A GB 962129 A GB962129 A GB 962129A GB 308664 A GB308664 A GB 308664A
Authority
GB
United Kingdom
Prior art keywords
lines
oscillator
condensers
oscillators
coupling
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
GB9621/29A
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co 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 Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Publication of GB308664A publication Critical patent/GB308664A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/02—Coupling devices of the waveguide type with invariable factor of coupling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P5/00—Coupling devices of the waveguide type
    • H01P5/04—Coupling devices of the waveguide type with variable factor of coupling

Landscapes

  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Transmitters (AREA)
GB9621/29A 1928-03-23 1929-03-25 Improvements in or relating to impedance matching devices suitable for use in high frequency transmission systems Expired GB308664A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US264132A US1778395A (en) 1928-03-23 1928-03-23 Coupling device

Publications (1)

Publication Number Publication Date
GB308664A true GB308664A (en) 1930-01-30

Family

ID=23004722

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9621/29A Expired GB308664A (en) 1928-03-23 1929-03-25 Improvements in or relating to impedance matching devices suitable for use in high frequency transmission systems

Country Status (4)

Country Link
US (1) US1778395A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE495354C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB308664A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NL (1) NL30417C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2530329A (en) * 1947-04-24 1950-11-14 Motorola Inc Television receiver antenna input circuit
NL82347C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1950-06-02 1900-01-01
US2705737A (en) * 1951-01-09 1955-04-05 Brueckmann Helmut Transmission line support
US4267532A (en) * 1979-10-11 1981-05-12 W. L. Keefauver, Bell Laboratories Adjustable microstrip and stripline tuners
US4999642A (en) * 1988-03-01 1991-03-12 Wells Donald H Transmission line coupling device with closed impedance matching loop
US5083136A (en) * 1989-11-16 1992-01-21 Wells Donald H Transmission line coupling device with closed impedance matching loop
US5463405A (en) * 1994-05-20 1995-10-31 Valor Enterprises, Inc. Cellular telephone coupling network

Also Published As

Publication number Publication date
US1778395A (en) 1930-10-14
DE495354C (de) 1930-04-07
NL30417C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

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