Bizarre Patents
Method and apparatus for making a drink hop along a bar or counter
A method for generating a drink which appears to hop from a remote spot on the bar or counter and take one or more leaps, before landing in a patron's glass.
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| Number | Title | Issue Date |
| 4496979 | FM High-fidelity processor A processor providing high-quality audio signals from television sound channels by signal recovery using induced intermodulation between the picture carrier and the sound subcarrier signal. The resulting intermodulation products are filtered and the FM au... | 01/29/1985 |
| 4489439 | Electronic stereo reverberation device with doubler A stereo or two channel electronic reverberation device is disclosed comprising an analog delay device which receives audio signals and provides delayed output signals at a plurality of outputs, with the time delay period of each output being different fr... | 12/18/1984 |
| 4479235 | Switching arrangement for a stereophonic sound synthesizer A system for synthesizing stereophonic signals from an audio information signal source is provided. The system includes a transfer function circuit for producing a modulated signal which varies in amplitude as a function of frequency in response to the au... | 10/23/1984 |
| 4449018 | Hearing aid Apparatus is described for restoring the original comprehension of sounds reaching a human ear, including direction, elevation and frequency. An enclosure surrounds the pinna of the ear to substantially exclude exterior sounds. First and second speakers a... | 05/15/1984 |
| 4434508 | Radio receiver with audio selectivity A system is disclosed in which signals are presented to a listener with a spatial impression in which the signal which is desired appears to be coming from a source in front of the listener while other signals appear to be coming from audio sources to the... | 02/28/1984 |
| 4404427 | Audio signal processing system An improved audio signal processing system for use in an audio reproduction apparatus is described. The apparatus is of the type for generating ambient effects and includes at least two channels for respectively transmitting an audio signal to at least tw... | 09/13/1983 |
| 4394536 | Sound reproduction device A sound reproducing device adapted to be operated in a narrow space such as the passenger compartment of an automobile including a voltage amplifying or attenuating circuit for varying a difference signal between stereophonic right and left signals and a ... | 07/19/1983 |
| 4394535 | Split phase stereophonic sound synthesizer A stereophonic sound synthesizer system is presented which utilizes a phase splitter in the form of a transformer to develop two oppositely phased audio signals from an applied monaural signal. One of the two oppositely phased signals is applied to a tran... | 07/19/1983 |
| 4393270 | Controlling perceived sound source direction An electronic signal representative of a sound is processed by applying different amplitude adjustments to the different components of the signal, these amplitude adjustments vary with frequency in a manner corresponding to the variation with frequency of... | 07/12/1983 |
| 4359605 | Monaural signal to artificial stereo signals convertings and processing circuit for headphones A monaural signal to artificial stereo signals converting and processing circuit for headphones comprises, a circuit which converts a monaural signal into artificial stereo signals, a circuit which adds localizing information of imaginary sources to the a... | 11/16/1982 |
| 4329544 | Sound reproduction system for motor vehicle A sound reproduction system for a motor vehicle in which two channel signals are applied to two loudspeakers provided in the passenger compartment to reproduce the signals. The system includes a transfer function converting circuit for converting transfer... | 05/11/1982 |
| 4308424 | Simulated stereo from a monaural source sound reproduction system A source of monaural sound such as a radio receiver or record player provides an audio signal which is fed along parallel paths to a like number of speakers. In one or more paths there is a control which imparts amplification or gain to the signal. In the... | 12/29/1981 |
| 4239939 | Stereophonic sound synthesizer A system is provided which synthesizes stereophonic sound by developing two separate sound channels from a single monophonic sound source. A synthetic stereophonic sound system constructed in accordance with the principles of this invention may be advanta... | 12/16/1980 |
| 4188504 | Signal processing circuit for binaural signals A binaural signal processing circuit comprising a first system for imparting an input signal with a transfer characteristic equal to the transfer characteristic hL(t; θ, r) from a sound source to the left ear of a listener, where θ represents an angle b... | 02/12/1980 |
| 4068093 | Device for transmitting audio-frequency signals The device or arrangement transforms acoustic events, in the form of single-channel audio-frequency signals, into at least two-channel audio information with the monophonic audio-frequency signals being supplied by wireless transmission to a reproducing d... | 01/10/1978 |
| 4063034 | Audio system with enhanced spatial effect An audio system comprising a record player, tape deck, microphones, or other signal source which generates stereo signals supplied to two main speakers for reproduction; the stereo signals are added together to afford an intermediate signal which is subje... | 12/13/1977 |
| 4054750 | Full range rotatable speaker housing with oppositely directed speakers A plurality of speakers are carried on a generally vertical board. The board is carried for pivotal motion about a vertical axis. The board is housed within an enclosure permitting sound radiation in all directions. Some speakers are directed to face oppo... | 10/18/1977 |
| 3969588 | Audio pan generator The apparent source of sound from a plurality of transducers arrayed around a listening area is automatically controlled by a prestored pattern sequencer and a series of variable voltage levels. The prestored patterns reflect switch connections to the tra... | 07/13/1976 |
