Filter having part of a resonator and integral shell extruded fr

Details Filter having part of a resonator and integral shell extruded fr Filter having part of a resonator and integral shell extruded fr

1996-08-05

1999-11-23

Pascal, Robert

Wave transmission lines and networks

Coupling networks

Wave filters including long line elements

333203, 333234, H01P 1205

Patent

active

059907630

ABSTRACT:
The invention relates to a filter and a method for manufacturing a filter. The filter comprises a shell construction with a wall construction and a bottom portion, which form at least one section in the shell construction. The filter further comprises at least one resonator within a section of the shell construction. At least the bottom portion of the shell construction and one or more resonators, or at least the part thereof close to the bottom portion of the shell construction, are an integral unit extruded from the same basic block in one piece.

REFERENCES:
patent: 3571768 (1971-03-01), Gundry
patent: 4034319 (1977-07-01), Olsson
patent: 4278957 (1981-07-01), Starai
patent: 4280113 (1981-07-01), Sekiguchi
patent: 4292610 (1981-09-01), Makimoto et al.
patent: 4307357 (1981-12-01), Alm
patent: 4398164 (1983-08-01), Nishikawa et al.
patent: 4706051 (1987-11-01), Dielman
patent: 5329687 (1994-07-01), Scott
patent: 5502715 (1996-03-01), Penny

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