Electricity: electrical systems and devices – Electrostatic capacitors – Variable
Patent
1989-06-23
1990-04-24
Griffin, Donald A.
Electricity: electrical systems and devices
Electrostatic capacitors
Variable
333 26, 361401, H01G 700, H01P 5107, H05K 118
Patent
active
049204505
ABSTRACT:
A temperature dependent capacitor formed from thermostatic bi-metallic strips is used to compensate the resonant frequency of a microstrip patch antenna array structure for dielectric constant thermal effects.
REFERENCES:
patent: 3349162 (1967-10-01), Eckhardt et al.
patent: 3740677 (1973-06-01), Kommrusch
patent: 4251849 (1981-02-01), Kawai
patent: 4599907 (1986-07-01), Kraus et al.
patent: 4691179 (1987-09-01), Blum et al.
patent: 4725793 (1988-02-01), Igarashi
Griffin Donald A.
Hayes John W.
Motorola Inc.
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