Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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| Number | Title | Issue Date |
| 4121254 | Automatic fine tuning circuit A relatively broad band automatic fine tuning circuit covering a frequency band at least approximately as broad as a television channel and including means to shift the frequency of the television tuner up or down, as necessary, to the proper frequency wi... | 10/17/1978 |
| 4107615 | Receiver including an automatic tuning correction suppression circuit coupled to the tuning member By using a double potentiometer one of which is used for tuning and the other for adjusting a level whose variation suppresses an automatic tuning correction, a great freedom can be obtained in designing the tuning section of a receiver with automatic tun... | 08/15/1978 |
| 4100578 | AFT summing circuit for varactor-type tuning systems There is disclosed an AFT summing circuit for a varactor-type tuning system and in particular for such a tuning system including a UHF tuner and a VHF tuner. A tuning voltage derived from a suitable source indicative of the desired channel or station to b... | 07/11/1978 |
| 4085371 | Automatically tuned memory television channel selecting apparatus In a channel selecting apparatus for a television receiver having an electronic tuning tuner for changing the receiving frequency in accordance with an analog control signal applied thereto; a memory has a plurality of addresses for storing respective dig... | 04/18/1978 |
| 4079320 | Method of and apparatus for tuning an AFT-controlled channel selecting apparatus to a desired frequency A method of and apparatus for tuning an AFT-controlled channel selecting apparatus of the type having a storage device for storing digital representations corresponding to predetermined channel frequencies from which a selected representation is read out ... | 03/14/1978 |
| 4031549 | Television tuning system with provisions for receiving RF carrier at nonstandard frequency A tuning system for a television receiver includes a phase locked loop for tuning a local oscillator to the nominal local oscillator frequencies required to tune the receiver to RF carriers at standard broadcast frequencies allocated to the various channe... | 06/21/1977 |
| 3991371 | Automatic frequency control of voltage variable capacitor tuned receivers When voltage variable capacitor (VVC) diodes are used to tune the r-f circuits of receivers, a potentiometer is usually used as the mechanically operated source of variable voltage. To avoid tuning problems associated with power line variations, or receiv... | 11/09/1976 |
| 3968437 | Receiver including an automatic tuning correction suppression circuit coupled to a tuning member Switching off the automatic tuning correction of a receiver during tuning is accomplished with a signal derived from a level variation caused by a level adjusting circuit coupled to a tuning member.... | 07/06/1976 |
| 3965288 | Automatic tuning apparatus An automatic tuning apparatus, such as an automatic channel selector as incorporated in a television receiver, comprising a tuner using a voltage controlled variable capacitance diode such that the variable capacitance thereof constitutes a portion of a t... | 06/22/1976 |
| 3949158 | Wide band aft circuit for television receiver A wide-band automatic fine tuning (AFT) circuit capable of a &#b1;2 MHz pull-in range without false lockups responds to the output of a picture carrier discriminator, a sound carrier discriminator and a vertical synchronizing signal sensing means to opera... | 04/06/1976 |
| 3939427 | Automatic fine tuning defeat circuit An automatic fine tuning defeat circuit disables the application of an automatic fine tuning or automatic frequency control correction voltage to the voltage-controlled tuners of a television receiver during switching from one channel to another. The tuni... | 02/17/1976 |
