Variable distributed constant delay line having movable slider c

Details Variable distributed constant delay line having movable slider c Variable distributed constant delay line having movable slider c

1985-01-10

1987-04-07

LaRoche, Eugene R.

Wave transmission lines and networks

Coupling networks

Delay lines including long line elements

333139, 333161, 336149, H03H 730

Patent

active

046564438

ABSTRACT:
This variable delay line makes use of a transmission line as a delay line element and is suitable for switching over the delay time of a high speed signal having for instance a rise time of one nanosecond or less. And this variable delay line includes a transmission line which includes an electroconductive path and a ground plate disposed opposingly with a dielectric body interposed therebetween, a fixed contact array consisting of fixed contacts provided at certain intervals along the electroconductive path, and a movable contact which may be slid along contacting the fixed contacts of the fixed contact array. Particularly, the movable contact contacts one of the fixed contacts in the fixed contact array in a first state and contacts two neighboring ones of the fixed contacts in the fixed contact array in a second state, and the movable contact may be slid over the fixed contact array by alternatingly repeating the first and the second states.

REFERENCES:
patent: 2619537 (1952-11-01), Kihn
patent: 2781514 (1957-02-01), Sichak et al.
patent: 3193785 (1965-07-01), Mann et al.
patent: 3281748 (1966-10-01), LaRosa
patent: 4160962 (1979-07-01), de Keyser et al.
patent: 4546332 (1985-10-01), Kameya

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