Adjustable watchband with embedded antenna

Details Adjustable watchband with embedded antenna Adjustable watchband with embedded antenna

1989-01-18

1990-05-01

Hille, Rolf

Communications: radio wave antennas

Antennas

Body-attached or connected

455351, H05G 114

Patent

active

049222600

ABSTRACT:
The present invention provides a means of maintaining a constant tuned frequency as a wrist band antenna is lengthened and shortened. As a wrist band antenna is lengthened, the inductance of the antenna is generally increased. The present invention provides a wrist band the length of the antenna. As the wrist band is lengthened the inductance increases and the capacitance decreases thereby maintaining the tuned frequency substantially constant.

REFERENCES:
patent: 4754285 (1988-06-01), Robitaille
patent: 4769656 (1988-09-01), Dickey

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