GB643985A - Wave guides - Google Patents

Wave guides

Info

Publication number
GB643985A
GB643985A GB27159/46A GB2715946A GB643985A GB 643985 A GB643985 A GB 643985A GB 27159/46 A GB27159/46 A GB 27159/46A GB 2715946 A GB2715946 A GB 2715946A GB 643985 A GB643985 A GB 643985A
Authority
GB
United Kingdom
Prior art keywords
wave
guide
semi
strip
passage
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
GB27159/46A
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.)
AIRCRAFT RADIO CORP
Original Assignee
AIRCRAFT RADIO 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 AIRCRAFT RADIO CORP filed Critical AIRCRAFT RADIO CORP
Publication of GB643985A publication Critical patent/GB643985A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/22—Attenuating devices
    • H01P1/222—Waveguide attenuators

Abstract

643,985. Wave-guide attenuators. AIRCRAFT RADIO CORPORATION. Sept. 10, 1946, No. 27159. Convention date, May 24. [Class 40 (viii)] A wave-guide has a narrow slot in its transverse medial plane and an arcuate attenuator element is mounted for rotary motion to project it through the slot into the wave-guide passage. The wave-guide channel may be formed by fitting together two grooved plates 1 and 2 as described in Specification 643,984 to form a channel 3 following a semi-circular path in its middle portion. A strip 9 mounted for rotation about the centre of the semi-circle enters the passage to an extent depending on its angular position which is adjusted by control means acting through gearing 19. The strip may be formed of powdered metal or graphite bonded by a plastic.
GB27159/46A 1946-05-24 1946-09-10 Wave guides Expired GB643985A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US671950A US2613270A (en) 1946-05-24 1946-05-24 Wave guide attenuator

Publications (1)

Publication Number Publication Date
GB643985A true GB643985A (en) 1950-10-04

Family

ID=24696539

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27159/46A Expired GB643985A (en) 1946-05-24 1946-09-10 Wave guides

Country Status (2)

Country Link
US (1) US2613270A (en)
GB (1) GB643985A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1116752B (en) * 1955-01-27 1961-11-09 Sanders Associates Inc Damping device for symmetrical high frequency band lines

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL175381B (en) * 1952-03-01 Lind Gertrud Agnes Matilda STRETCHING BENCH FOR TREATING PAIN, FATIGUE, AND THE LIKE IN A PATIENT'S BACK.
US2989708A (en) * 1952-06-26 1961-06-20 Wilbur A Joerndt Combined modulator-attenuator
US2877428A (en) * 1954-02-25 1959-03-10 Western Electric Co Energy-measuring apparatus
EP0966058A1 (en) * 1998-06-15 1999-12-22 TRT Lucent Technologies S.A. Variable attenuator for rectangular waveguides
EP0966057A1 (en) * 1998-06-15 1999-12-22 TRT Lucent Technologies (SA) Variable attenuator for a rectangular waveguide

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1116752B (en) * 1955-01-27 1961-11-09 Sanders Associates Inc Damping device for symmetrical high frequency band lines

Also Published As

Publication number Publication date
US2613270A (en) 1952-10-07

Similar Documents

Publication Publication Date Title
GB643985A (en) Wave guides
CA453005A (en) Cut-off blade
AU119946A (en) Improvement invariable reactive microwave device
AU127205B2 (en) Improvements in or relating to electron velocity modulation devices
ES12969U (en) New can opener (Machine-translation by Google Translate, not legally binding)
FR56364E (en) Improvements to radio transmission systems, in particular for the control of aerodromes
AU1976245A (en) Improvements in or relating to electron velocity modulation devices
AU125684B2 (en) Improvements in instrument operating knobs
AU128584B2 (en) Improvements in or relating to means for operating transmission mechanism
AU144985B2 (en) Improvements in or relating toa velocity modulation device
CA455616A (en) Transmitting power device operating with loose, fluid or solid material
AU142363B2 (en) Improvements in or relating to electron velocity modulation devices
AU137158B2 (en) Improvements in rotors for spreader type stokers
AU140918B2 (en) Improvements in valve operating means
AU138475B2 (en) Improvements in or relating to devices for guiding thin film band
AU152764B2 (en) Improvements in or relating toa variable viscosity magnetic material
AU125666B2 (en) Improvements in or relating to devices for sharpening razorblades
AU128282B2 (en) Improvement in mechanism control
AU135557B2 (en) Improvements in or relating to secret transmission systems
AU2079445A (en) Improvements in instrument operating knobs
AU124513B2 (en) An improved shear for cutting angle iron
AU2445945A (en) Improvements in or relating to means for operating transmission mechanism
AU2037648A (en) Improvements in or relating toa velocity modulation device
AU131290B2 (en) Improvements in and relating toa retaining device for rotary shuttle
CA449200A (en) Wave meter