Wave transmission lines and networks – Automatically controlled systems – With control of equalizer and/or delay network
Patent
1990-03-19
1992-12-01
Yusko, Donald J.
Wave transmission lines and networks
Automatically controlled systems
With control of equalizer and/or delay network
328235, 333231, 333235, H05H 1304
Patent
active
051682419
ABSTRACT:
An acceleration device for charged particles has an acceleration cavity through which passes a beam of the particles. High frequency power from a suitable source is transmitted to the cavity via a suitable transmission means (antenna) to transmit the energy to the particles and so accelerate them. The transmission means is controlled by a suitable control to control the coupling constant of the transmission means when power is applied. Also, the device may have a looped conductor in the cavity controlled by the control to couple to the field in the cavity and to extract power from the field, thereby to control the de-tuning of the applied power relative to the power transmitted to the particles. By controlling the coupling constant and/or the de-tuning, power may be transmitted efficiently to the beam of particles.
REFERENCES:
patent: 3043986 (1962-07-01), Podliusky
patent: 4794340 (1988-12-01), Ogasawara
patent: 4992745 (1991-02-01), Hirota et al.
Fukushima et al; Characteristics of RF Accelerating Cavity, Feb. 18, 1975, Institute for Nuclear Study; pp. 1-25.
Evans et al; The 1 MV 114 MH.sub.Z Electron Accelerating System For the CERN PS; Sep. 1987; pp. 1901-1903 IEEE.
Hirota Junichi
Nishi Masatsugu
Hitachi , Ltd.
Horabik Michael
Yusko Donald J.
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