Bizarre Patents
Behavior Modification Wristwatch
A wristwatch including a watch band and a watch body having an octagon shaped perimeter and being red in color and having the word STOP thereon to resemble a stop sign.
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| Number | Title | Issue Date |
| 3943450 | Frequency converting device for RF signals A frequency converting or mixing device for a receiver, particularly employing hollow conductor or micro strip techniques, including signal and oscillator input means, a diode as a non-linear element, an intermediate frequency output and two stub circuits... | 03/09/1976 |
| 3939430 | Integrated circuit, image and sum enhanced balanced mixer A balanced microwave diode mixing circuit utilizes the junction of a slot transmission line and a coplanar strip transmission line as the point of diode modulation to provide heterodyne mixing. By the use of slot line type elements formed on one side of a... | 02/17/1976 |
| 3939429 | Tunable high frequency input circuit for a television receiver that tunes both VHF and UHF channels and can be readily integrated The IC television tuner has a tunable oscillator and a fixed oscillator, two mixer stages and a filter in between. This tuner operates at two intermediate frequencies the first of which lies in the GHz range. The two oscillators are coupled through hybrid... | 02/17/1976 |
