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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 8169336 | Promotional receptacle A gratuity receptacle that contains a gratuity sensor to detect when gratuity has been inserted into the opening of the gratuity receptacle. When gratuity has been inserted into the gratuity receptacle, the gratuity sensor activates a notification means to alert pat... | 05/01/2012 |
| 8085163 | Method of and apparatus for controlling a source of light in accordance with variations in a source of sound A system that varies the brilliance of light bulbs in accordance with modulated audio signals. The audio signals are first compressed and then passed through a comparator. The comparator has two inputs, one of which is the aforesaid compressed audio signals. The oth... | 12/27/2011 |
| 7825822 | System and method for extracting and conveying modulated AC signal information An economical system and method for extracting amplitude and frequency information from a modulated AC signal are provided. In one embodiment, the invention includes a circuitry implementing op amps, a dual diode, a filter, and a comparator to receive and manipulate... | 11/02/2010 |
| 7369903 | Method of and system for controlling an ambient light and lighting unit The invention relates to the on-line analysis of meta-data that is received together with a video signal. This analysis results in an adaptation of the lighting surrounding the presentation device (110). One or more characteristics of the meta-data are filter... | 05/06/2008 |
| 7336157 | Illuminated wind indicator An illuminated wind indicator that provides visual indication of wind motion even at night. One or more chime members and a pendulum assembly are suspended from a support or housing, and arranged so that the chime members and the pendulum assembly are capable of col... | 02/26/2008 |
| 7327848 | Visualization of spatialized audio A method and apparatus is provided for presenting a user with a visual indication of the likely user-perceived location of sound sources in an audio field generated from left and right audio channel signals. To produce this visual indication, corresponding component... | 02/05/2008 |
| 7319402 | Combined doorbell and smoke detection device A combined doorbell and smoke detection device includes a housing that has monolithically formed sides. One side includes openings formed adjacent to the housing top corners for receiving fasteners therethrough. Nested within the housing are a door bell chime, a fir... | 01/15/2008 |
| 7319762 | Headset with flashing light emitting diodes A headphone system is provided with two earbud headphones and a control module, each fitted with a plurality of light emitting diodes (LEDs). The LEDs may be of many different colors and flash to the beat of the music. Patterns, colors, and intensity may be adjusted... | 01/15/2008 |
| 7251334 | Remote sound monitor and receiver therefor A remote sound monitor includes a receiver unit and a transmitter unit. The transmitter unit includes a sound transducer that receives the sound input and converts the sound input to the audio signal, and an audio transmitter that transmits the audio signal. The rec... | 07/31/2007 |
| 7227075 | Lighting controller In the present invention, a lighting controller is provided to provide illumination based upon the playing of musical instruments. The lighting controller is programmed with lighting profiles which control the lights on a device. When musical instrument is played, a... | 06/05/2007 |
| 7228190 | Method and apparatus for controlling a lighting system in response to an audio input Methods and apparatus for executing a lighting program to control a plurality of light emitting diodes (LEDs) in response to at least one characteristic of an audio input. In one embodiment, the audio input is digitally processed to determine the at least one charac... | 06/05/2007 |
| 7212130 | Sound intensity display system for use by performers A sound intensity display system for use by performers. The invention is a system which displays indications of sound intensity on a display large enough to be viewed by performers distant from the display. This invention allows indication of a sufficient number of ... | 05/01/2007 |
| 7190279 | Audio modulated light system for personal electronic devices A light modulation system as described herein can be incorporated into a personal or portable electronic apparatus such as a cellular telephone, a digital music player, or the like. The light modulation system controls the activation of light elements, such as light... | 03/13/2007 |
| 7151444 | Children's monitor for monitoring multiple children and method A method for monitoring multiple children includes receiving a plurality of signals from a plurality of transmitters, where each of the signals includes audio information. The method also includes extracting the audio information from each of the plurality of signal... | 12/19/2006 |
| 7096079 | Audio processing and image generating apparatus, audio processing and image generating method, recording medium and program An audio processing and image generating apparatus for displaying novel line drawing images on a display screen according to music is disclosed. A character object line drawing image is displayed on a virtual road object line drawing image. Further, obstacle object ... | 08/22/2006 |
| 7088259 | Infant monitor In accordance with the present invention, a parent unit (receiver) of an infant monitor includes an electronics housing, an antenna, a speaker, and a visual light display portion. In one embodiment, the light display portion is mounted on the front surface of the mo... | 08/08/2006 |
| 7063437 | Illuminating device with sound discriminator for hand-held container An illuminating device for illuminating the interior of a hand-held container. The illuminating device comprises a housing, a lighting circuit, and a sound discriminator operably connected to the lighting circuit. In one embodiment of the invention the sound discrim... | 06/20/2006 |
| 7038399 | Methods and apparatus for providing power to lighting devices Methods and apparatus for providing power to devices via an A.C. power source, and for facilitating the use of LED-based light sources on A.C. power circuits that provide signals other than standard line voltages. In one example, LED-based light sources may be coupl... | 05/02/2006 |
| 6977653 | Surround sound display A surround sound display has a graphic sound stage image, including speakers representing sources and a central listener, and bent correlation meter scales for each stereo channel. The correlation meter scales have values from +1 at one end to −1 at the other end ... | 12/20/2005 |
| 6831568 | Method and apparatus for visual silent alarm indicator An apparatus and method thereof wherein a portable computer system or personal digital assistant generates a visual signal in response to an occurrence of a programmed event. For example, the portable computer system can use a light emitting diode to visually signal... | 12/14/2004 |
| 6825772 | Electroluminescent dashboard control circuit An electroluminescent dashboard control circuit for automobile in which a voltage comparator is used to control the operation of different colors of electroluminescent lamps subject to the voltage level of inputted voice signal received from a microphone, and a swit... | 11/30/2004 |
| 6046724 | Method and apparatus for conversion of sound signals into light Method and apparatus for the conversion of sound waves to electromagnetic wave forms, preferably light, whereby sound waves are converted to an electrical signal and processed by a number of filters, the distribution between the filters being a result of ... | 04/04/2000 |
| 6008732 | Motor vehicle display apparatus Display apparatus (20) is configured to be plugged into the cigarette lighter socket of a vehicle. LEDs 37 and control circuit 36 are configured to provide a gently blinking display mode to enhance the driving pleasure at night. In case of emergency, swit... | 12/28/1999 |
| 5966110 | Led driver An LED driver drives a plurality of light emitting diodes (LEDs) having first terminals connected to a common output stage and second terminals respectively receiving different, suitably rectified, phases of a sinusoidal signal. An output stage of the LED... | 10/12/1999 |
| 5917288 | Sound responsive electroluminescent visual display A visual display is disclosed which includes a flexible elongated electroluminescent light source, whose emitted light varies in accordance with an electrical signal applied thereto, and is connected to the output of an audio output amplifier. The particu... | 06/29/1999 |
| 5898277 | Apparatus for controlling illumination of a fluorescent lamp An apparatus for controlling illumination of a fluorescent lamp is disclosed which includes two transformers for heating cathodes of the fluorescent lamp. Also included are two ballasts for ballasting the fluorescent lamp having an input adapted to receiv... | 04/27/1999 |
| 5818342 | Audio responsive visual device A device is provided that responds in real time, as well as in a rhythmic fashion, through amplification and processing of an audio signal. The device also will change in intensity. The electronics work off of three DC power supplies derived from a single... | 10/06/1998 |
| 5817963 | Vocal note indicator device The invention is directed to a vocal note indicating device for indicating the note of a vocal pitch signal. The device includes an amplifying means for amplifying an inputted vocal pitch signal and a square wave generator means. The square wave generator... | 10/06/1998 |
| 5784096 | Dual audio signal derived color display An apparatus is disclosed for displaying two-channel audio input signals in a three-color visual pattern. In general, the visual pattern may be formed on a viewing screen by an apparently moving spot having three color components. Phase shifting means is ... | 07/21/1998 |
| 5657004 | Electronically controlled point of purchase display An electronic display device renders both an audio message and a visual message. The display device includes a housing, including a frame for holding at least a first and second non-overlapping transparency which contains a visual message, a front panel w... | 08/12/1997 |
| 5365923 | Sound responsive optical warning apparatus and method for SCBA A method and an apparatus are provided for optically indicating that the gas pressure of a gas reservoir of a gas mask worn by a user has reached a predetermined value. This value is indicated by an acoustic signal within a predetermined frequency range a... | 11/22/1994 |
| 5365149 | Apparatus and method for producing a frequency based visual effect A variable lighting apparatus for visually simulating and translating the frequencies present in an input signal to a light, the characteristics of which may be varied in accordance to the properties of the input sound. The lighting apparatus may be fitte... | 11/15/1994 |
| 5191319 | Method and apparatus for visual portrayal of music Apparatus for translating audio signals and producing a visual color display that portrays music. Circuits responsive to audio signal amplitude cause the display brightness to vary in accordance with the loudness of the music source. Circuits responsive t... | 03/02/1993 |
| 5177461 | Warning light system for use with a smoke detector A flashing alarm device responsive to audible signals produced by a smoke detector when the smoke detector senses a smoke condition, the alarm device including a circuit with a microphone portion for responding to audible signals produced by the smoke det... | 01/05/1993 |
| 5119426 | Linear array level meter displaying multiple audio characteristics A linear display device provides a floating bar type of display for instantaneous peak values and instantaneous average values of an audio signal. Pairs of respective peak and average comparators are coupled to a source of fixed value bias voltages. The c... | 06/02/1992 |
| 5083064 | Lamp modulating circuitry for incandescent and fluorescent lamps Apparatus for flashing incandescent and fluorescent lamps in response to audio signals such as speech or music, together or individually. Apparatus employs an automatic level control to insure uniform input level to each active filter which filters the au... | 01/21/1992 |
| 5056399 | Audio reactive light display An audio reactive display for generating a random light pattern.... | 10/15/1991 |
| 4843627 | Circuit and method for providing a light energy response to an event in real time An apparatus and method are provided for illuminating a light source in real time response to an event of changing magnitude. A pulsed electrical signal is generated which has a pulse repetition frequency corresponding to the magnitude of the event. The p... | 06/27/1989 |
| 4809584 | Music translation device A music translation device provides a light output pattern in response to an audio input. A divider circuit is used to provide a repeating output which commutates repeatedly among a series of output lines. Each output line is connected to a pair of output... | 03/07/1989 |
| 4771280 | Acoustical visual sound device An acoustical visual sound device used for the visual interpretation of a received acoustical or electrical sound signal having a filter for passing the intelligence contained within a band of frequencies contained within the frequency spectrum of a recei... | 09/13/1988 |
