DE932025C - Hochfrequenznetzwerk zur frequenzabhaengigen Kopplung zweier Schaltteile - Google Patents

Hochfrequenznetzwerk zur frequenzabhaengigen Kopplung zweier Schaltteile

Info

Publication number
DE932025C
DE932025C DEI3376D DEI0003376D DE932025C DE 932025 C DE932025 C DE 932025C DE I3376 D DEI3376 D DE I3376D DE I0003376 D DEI0003376 D DE I0003376D DE 932025 C DE932025 C DE 932025C
Authority
DE
Germany
Prior art keywords
transmission line
frequency network
network
conductors
impedance element
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
DEI3376D
Other languages
German (de)
English (en)
Inventor
Andrew Alford
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of DE932025C publication Critical patent/DE932025C/de
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
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30—Arrangements for providing operation on different wavebands
    • H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/314—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors
    • H01Q5/335—Individual or coupled radiating elements, each element being fed in an unspecified way using frequency dependent circuits or components, e.g. trap circuits or capacitors at the feed, e.g. for impedance matching
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation

Landscapes

  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
DEI3376D 1937-11-16 1938-11-18 Hochfrequenznetzwerk zur frequenzabhaengigen Kopplung zweier Schaltteile Expired DE932025C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US174759A US2226686A (en) 1937-11-16 1937-11-16 High frequency transmission network

Publications (1)

Publication Number Publication Date
DE932025C true DE932025C (de) 1955-08-22

Family

ID=22637408

Family Applications (1)

Application Number Title Priority Date Filing Date
DEI3376D Expired DE932025C (de) 1937-11-16 1938-11-18 Hochfrequenznetzwerk zur frequenzabhaengigen Kopplung zweier Schaltteile

Country Status (4)

Country Link
US (1) US2226686A (fr)
DE (1) DE932025C (fr)
FR (1) FR49942E (fr)
GB (1) GB517052A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB579778A (en) * 1943-11-05 1946-08-15 Standard Telephones Cables Ltd Improvements relating to radio antennae
US2512704A (en) * 1943-12-06 1950-06-27 Int Standard Electric Corp Arrangement for coupling wide frequency band antennae to transmission lines
US2644928A (en) * 1948-06-09 1953-07-07 Rca Corp Directional transmission line transducer
NL180280B (nl) * 1952-08-02 Euteco Impianti Spa Werkwijze voor het bereiden van een katalysator op basis van molybdeen- en ijzeroxyde voor de oxydatie van methanol tot formaldehyde.
GB888901A (en) * 1959-07-23 1962-02-07 Gen Electric Co Ltd Improvements in or relating to four-terminal phase equaliser electric networks
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
GB517052A (en) 1940-01-18
FR49942E (fr) 1939-09-25
US2226686A (en) 1940-12-31

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