Telecommunications – Receiver or analog modulated signal frequency converter – Signal selection based on frequency
Patent
1997-12-22
2000-05-02
Urban, Edward F.
Telecommunications
Receiver or analog modulated signal frequency converter
Signal selection based on frequency
4551781, 192 46, H04Q 720
Patent
active
060582960
ABSTRACT:
A clutch knob that comprises a body portion and a cover portion. The clutch mechanism includes two integrally formed flexible and resilient sweeper arms attached to the base of the body portion; serrations with alternating smooth troughs and crests which are integrally formed on the inner circumference of the cover portion and the cover portion is fitted onto the body portion and so that the cover portion and the body portion are secured loosely with respect to one another. In addition, the body portion has two integrally formed flexible and resilient sweeper arms that are configured in the shape of pointed arches. The sweeper arms are integrally attached to the base and the circular platform. Further, the apex points of the arches are made smooth and made to point diametrically opposite one another. Moreover, the inner circumference of the serrations of cover portion are configured in the form of the alternating smoothened troughs and crest.
REFERENCES:
patent: 3906806 (1975-09-01), Harlan
patent: 4566344 (1986-01-01), Chaki
patent: 4702122 (1987-10-01), Richard
patent: 5351778 (1994-10-01), Shigemi et al.
patent: 5601491 (1997-02-01), Chan et al.
Lian Ting Ing
Noboru Tazaki
Tsung Ooi Tsin
Frommer William S.
Gesesse Tilahun
Sony Corporation
Sony Electronics (M) Sdn. Bhd.
Urban Edward F.
LandOfFree
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