Bizarre Patents
Smoking Cessation Lighter and Method
A lighter for tobacco products suppresses the urge to smoke by operant conditioning.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5815585 | Adaptive arrangement for correcting the transfer characteristic of an electrodynamic transducer without additional sensor An arrangement is provided for converting an electric signal into an acoustic or a mechanic signal comprising a transducer (1) and an electric circuit connected to the terminals of the transducer (1). An adaptive correction filter (3) compensates for line... | 09/29/1998 |
| 5757930 | Apparatus and method for testing attenuation of in-use insert hearing protectors The device of the present invention is designed for the purpose of providing a system for conducting objective assessment of the actual or "real world" attenuation which is provided by insert-type hearing protection (IHP) devices. The device is constructe... | 05/26/1998 |
| 5745580 | Reduction of computational burden of adaptively updating control filter(s) in active systems An active control method and apparatus for controlling vibration or sound wherein the computational burden to adaptively update the control filter within the update model is reduced. The apparatus includes means for producing an input signal for input to ... | 04/28/1998 |
| 5703956 | External memory control circuit for sound field processing digital signal processor An external memory control circuit for a sound field processing digital signal processor capable of obtaining continuous sound listening by shortening the time that sound is cut off upon a change of the sound field algorithm depending on the listening pla... | 12/30/1997 |
| 5673323 | Analog spread spectrum wireless speaker system An analog spread spectrum wireless speaker system for use in consumer audio applications for providing reliable and high fidelity stereo sound. The system includes a transmitter that accommodates any analog input from a variety of audio devices such as co... | 09/30/1997 |
| 5666426 | Automatic volume control to compensate for ambient noise variations A system and method for automatically adjusting the volume of an audio system to compensate for variations in ambient noise. The system includes a microphone for monitoring the ambient audio environment which includes output of the audio system plus envir... | 09/09/1997 |
| 5633938 | Audio track mixing processor An audio track mixing processor comprising phonic conversion circuitry for receiving a primary audio track of an input audio mix in stereo and transmitting a detector activation signal in mono; a plurality of root mean square detectors tuned to consecutiv... | 05/27/1997 |
| 5619577 | Transmission system, and a transmitter and a receiver for use in such a system A simple and effective stereophonic transmission system (1) wherein the transmitter (2) alternatively encodes successive block periods of a block signal with samples of the left-hand channel signal (Lin) and the right-hand channel signal (R | 04/08/1997 |
| 5619581 | Active noise and vibration cancellation system An active noise and vibration control system (20) for cancellation of noise or vibration. The system (20) provides a system whereby the adaptation path and feedforward path are implemented in separate hardware. As a result, the computational burden on the... | 04/08/1997 |
| 5610986 | Linear-matrix audio-imaging system and image analyzer An audio-imaging system includes at least first and second input channels for receiving first and second channel audio input signals and at least first, second and third output signals which are produced as a combination of the first and second channel au... | 03/11/1997 |
| 5610991 | Noise reduction system and device, and a mobile radio station A noise reduction system and device, and a mobile radio station. Known is a combined Zelinski-spectral subtraction system (1) for noise reduction in a combined speech signal (a(t)) in which signals are recorded with a plurality of microphones (5, 6, 7), u... | 03/11/1997 |
| 5606619 | Circuit arrangement for deriving a signal indicating noise in a received stereo multiplex signal A circuit arrangement for deriving the signal indicating noise in a received stereo multiplex signal, wherein the stereo multiplex signal is present as a digital signal with a first sampling rate that is substantially higher than twice the upper limit of ... | 02/25/1997 |
| 5606625 | Digital circuit to regulate the gain of an amplifier stage A digital circuit for controlling the gain of an amplifier stage of a coded signal receiving channel is provided. The circuit includes a peak detector coupled to the input terminal of the receiving channel through a coded signal rectifying circuit and a g... | 02/25/1997 |
| 5604811 | Stethoscope and headset system A stethoscope and headset system comprising a stethoscope having a monitor mechanism for monitoring internal bodily vibrations of a patient and conversion circuitry coupled to the monitor mechanism for receiving the internal bodily vibrations and transmit... | 02/18/1997 |
| 5602923 | Theater sound system with upper surround channels An improved theater surround sound system incorporates a screen top speaker and an overhead speaker driven by corresponding upper surround channels to more accurately reproduce sounds produced from above the listener. These top surround channels are encod... | 02/11/1997 |
| 5598175 | Display apparatus for vehicle This invention relates to a display apparatus for a vehicle having a head up display with a hologram for reflecting display light from a displayer. The display apparatus for a vehicle according to the present invention comprises: a displayer for displayin... | 01/28/1997 |
| 5596649 | Sound concentrator for selectively collecting sound and concentrating and transmitting the collected sound An improved sound concentrates for selectively collecting sound and concentrating and transmitting the collected sound that include an emission circuit and a receiving circuit, each of these two circuits containing an antenna used as a signal transmission... | 01/21/1997 |
| 5596645 | Sound image localization control device for controlling sound image localization of plural sounds independently of each other Processing systems corresponding to the right and left channels are provided for applying independent sound image localization control to each of plural input sound signals on the basis of at least individual amplitude coefficients and delay information f... | 01/21/1997 |
| 5590203 | Pilot signal detection circuit A pilot signal detection circuit comprises: a PLL circuit for generating a reference signal whose frequency is same as and phase-synchronized with a carrier of a pilot signal extracted from broadcasting waves; a sync-detector for sync-detecting the carrie... | 12/31/1996 |
| 5586192 | Method of and device for detecting pulsatory interference signals in a sound signal For detecting pulsatory interference in a sampled audio signal, the value of a given signal sample is compared with the values of previous as well as subsequent signal samples within a selected time window. If the given sample, multiplied by a selected at... | 12/17/1996 |
| 5583943 | Active noise control system with detouring sound apparatus An active noise elimination apparatus for eliminating noise generated from a blower by generating from a sound generation unit a sound which offsets the noise, in a cooling system for cooling a heat source by air blown from the blower and exhausted to an ... | 12/10/1996 |
| 5583942 | Device of the dummy head type for recording sound Disclosed is a device of the dummy head type for recording sound. It comprises a supporting body fitted with an anatomically faithful imitation of the human auricle. The auricle is coupled to a channel inside the body. This channel opens into the imitated... | 12/10/1996 |
| 5581621 | Automatic adjustment system and automatic adjustment method for audio devices A system for automatically adjusting an audio system with a programmable parametric equalizer includes an audio analysis unit that can be connected to the audio unit. The parametric equalizer adjusts the frequency response of the audio system in response ... | 12/03/1996 |
| 5581617 | System for short-range transmission of signals over the air using a high frequency carrier A system is provided which transmits either analog or digital data signals over the air. The system includes a transmitter and a receiver. The transmitter and receiver are arranged to transmit signals using a carrier signal having a high frequency such as... | 12/03/1996 |
| 5579397 | Amplifier device for a condenser microphone A common-source type buffer amplifier circuit has a microphone capsule, a diode and an FET. An output end of the buffer amplifier circuit, or a drain of the FET is connected to an input end of the current mirror circuit. An output end of the current mirro... | 11/26/1996 |
| 5579396 | Surround signal processing apparatus A surround signal processing apparatus, by which an inputted rear surround signal can be reproduced, together with two-channel front stereophonic signals, through a pair of speakers arranged in front of and in substantially right-and-left symmetry about a... | 11/26/1996 |
| 5577126 | Overload protection circuit for transducers This invention relates to an arrangement (1) for protecting transducer (3) which converts an electric signal into an acoustic or a mechanic signal against overload and destruction. The arrangement is connected to the electric terminals of the transducer (... | 11/19/1996 |
| 5574792 | Volume and tone control circuit for acoustic reproduction sets The invention is a volume and tone control circuit for audio sets which will not distort a signal when the volume is adjusted to maximum regardless of the tone. The circuit has a volume control in the form of a variable resistor with an intermediate fixed... | 11/12/1996 |
| 5572592 | Remote control audio apparatus for hunters A remote control audio apparatus for use by hunters having the capability of either recording or reproducing predator calls, game calls and the like. Audio reproduction and/or recording apparatus is disposed within a weather resistant enclosure. A radio t... | 11/05/1996 |
| 5570425 | Transducer daisy chain An adaptive multi-channel active acoustic attenuation system is provided for attenuating complex acoustic waves. The system includes a plurality of input sensor nodes and a plurality of error sensor nodes. Each node includes a central processing unit and ... | 10/29/1996 |
| 5570114 | Control panel illumination A control panel includes controllers in the form of push buttons supported by an elastomeric switch pad over an electroluminescent lamp panel. The electroluminescent panel includes circuits formed by chargeable areas which register with optical indicia ca... | 10/29/1996 |
| 5557340 | Noise reduction in video signals In a high definition flying spot telecine, noise from photomultiplier tubes and afterglow correctors reaches unacceptable levels at high frequencies. The circuit illustrated applied a conventional gamma correction to low frequency components (at 32) but a... | 09/17/1996 |
| 5557682 | Multi-filter-set active adaptive control system A multi-filter-set active adaptive control system includes a plurality of output transducer arrays introducing control signals to combine with a system input signal to yield a system output signal. A plurality of error transducers sense the system output ... | 09/17/1996 |
| 5557680 | Loudspeaker system for producing multiple sound images within a listening area from dual source locations A loudspeaker system comprises two spaced-apart sound cabinets with the first cabinet housing a speaker driver directed toward a listener and couplable to a left channel signal to create a left channel sound image and a second speaker mounted in a second ... | 09/17/1996 |
| 5557683 | In-vehicle drum simulator and mixer An in-vehicle drum simulator and mixer for enabling an automobile passenger to create and overlay percussive sounds onto the audio portion of a radio, tape player, cassette disk player, and the like. One or a plurality of touch sensors distributed in sele... | 09/17/1996 |
| 5546468 | Portable speaker and amplifier unit A combination speaker and amplifier unit has speaker located on the front of a cabinet and speaker wire receptacles located in the back of the cabinet for providing speaker wire connections to a stereo unit. Also in the back of the cabinet is a power boos... | 08/13/1996 |
| 5541999 | Audio apparatus having a karaoke function An audio apparatus having a plurality of modes as a karaoke reproduction to superimpose a sound signal from a microphone on an audio signal from a stereo sound source. A subtracting circuit is provided which obtains the difference between left and right c... | 07/30/1996 |
| 5539427 | Graphic indexing system A method and apparatus for selecting and indexing stored information for subsequent retrieval. The indexing system of the present invention indexes pages by storing a reference to a graphic segment of the displayed original page (instead of a copy of the ... | 07/23/1996 |
| 5539476 | Color signal processing with luminance signal correction In an image pick-up apparatus in which three color signals are gamma-converted and selectively used to generate a luminance signal, a color signal processing apparatus subtracts a linear combination of two color differential signals from the luminance sig... | 07/23/1996 |
| 5537131 | Character generating method and apparatus In a character generating method and an apparatus for converting outline data of a character to coordinates of a desired character size to generate a bit map image of that character size, each piece of outline coordinate data expressing a contour line of ... | 07/16/1996 |
