Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 8115607 | Microphone diagnostic inside system with voip alerting and monitoring A computer implemented method, computer program product and a data processing system acoustically monitor an internal data processing system component. The internal data processing system component is selected for diagnosis. The internal data processing system compo... | 02/14/2012 |
| 7847677 | Method and system for providing auditory feedback for the visually impaired when defining visual models A system for providing auditory feedback to visually impaired users when defining visual models. As the visually impaired user creates a visual model, the system detects when an object is placed in such a way that it overlaps with at least one previously placed obje... | 12/07/2010 |
| 7439872 | Method and mobile device for non-visually signaling the state of a mobile device The present invention is related to a method for signaling the status of a mobile device, said mobile device comprising a user input interface, a storage including status information of said device and a signal generator, comprising the steps of receiving a status r... | 10/21/2008 |
| 7382233 | Sampling playback doorbell system A digital sampling playback doorbell system has two or more doorbell buttons and a central unit with solid state memory storage for multiple digitally sampled sound files. User assignment means are provided for assigning a particular sound file to a particular doorb... | 06/03/2008 |
| 7346172 | Auditory alert systems with enhanced detectability Methods and systems for distinguishing an auditory alert signal from a background of one or more non-alert signals. In a first embodiment, a prefix signal, associated with an existing alert signal, is provided that has a signal component in each of three or more sel... | 03/18/2008 |
| 7319392 | Glassbreak alarm recorder for false alarm verification A glass breakage detector (100) having an acoustic transducer (102) for sensing first acoustic waves (130) and for providing a first analog signal (110) representative of the received first acoustic waves (130), an analog to digita... | 01/15/2008 |
| 7274288 | Vehicle alarm sound outputting device and program In a vehicle alarm sound output device and a program, position data of an obstacle(s) and sound data of an alarm sound are output from an obstacle detector to DSP of a virtual sound source generator. Position data of a tire having air pressure abnormality and sound ... | 09/25/2007 |
| 7242179 | Digital circuit for frequency and timing characterization A digital circuit operating frequency characterizer provides a combination of frequency and duty cycle characterization. The digital circuit operating frequency characterizer includes a programmable frequency generator, a programmable edge variator, a test engine, a... | 07/10/2007 |
| 7173534 | Bird control system A computer based bird control system is provided. The bird control system utilizes an impactor that is attachable to a structure, such as an I-beam or other similarly sized and dimensioned metal object, to create an acoustic impact noise similar to a whacking of the... | 02/06/2007 |
| 7148789 | Handheld device having multiple localized force feedback An electronic device (100) comprises a housing (112), an input (118, 122) coupled mechanically to the housing for receiving data, an output (114, 118) coupled mechanically to the housing for presenting information to a user of the electro... | 12/12/2006 |
| 7094995 | Oven system with automated customer messages In an in-store oven system audible customer messages are automatically generated based upon a food product cooked in an oven within the store. ... | 08/22/2006 |
| 7091832 | Acoustic detection of machinery malfunction A sound variation indication apparatus includes a comparison element, an interval checker, and an indication generator. The comparison element receives an audio signal and compares it to a check value to provide a status signal indicating a presence and absence of a... | 08/15/2006 |
| 7079036 | Method and apparatus for alarm volume control using pulse width modulation There is provided herein a first preferred arrangement of the instant invention, wherein an electronic patient monitor utilizes a computer CPU as an alarm signal generator, which CPU is preferably directly connected to a power amplifier and/or a speaker without an i... | 07/18/2006 |
| 7079014 | Digital sampling playback doorbell system A digital sampling playback doorbell system has two or more doorbell buttons and a central unit with solid-state memory storage for multiple digitally sampled sound files. User assignment means are provided for assigning a particular sound file to a particular doorb... | 07/18/2006 |
| 7075415 | Conversion of light signals to audio A system for the automated conversion of light signals to audio. ... | 07/11/2006 |
| 7048692 | Method and apparatus for estimating auditory filter shape A method for estimating the shape of an auditory filter by finding a coefficient p of a roex (p, r) filter which is used as a model for the shape of the auditory filter is provided, which comprises the steps of: generating a tone S′; generating a masker of a notch... | 05/23/2006 |
| 7023325 | Programmable electronic circuit A programmable electronic circuit is disclosed. The circuit includes a CPU, signal-generating circuitry, and RC circuitry having at least two capacitors, such that when both of the capacitors are switched into the RC circuitry by the CPU, a signal is produced from a... | 04/04/2006 |
| 7023335 | Seat belt warning apparatus and method The alert sound having specific frequencies and volume is repeated at a different cycle depending upon each warning level. Additionally, or alternatively, the audible alert corresponding to the lowest warning level is activated before activating the audible alert co... | 04/04/2006 |
| 6996777 | Method and apparatus for presenting auditory icons in a mobile terminal An apparatus and method for presenting one or more auditory icons are provided to deliver contextual information in a timely manner to the user without requiring the user to view the mobile terminal's display. The auditory icons may correspond to visual icons that a... | 02/07/2006 |
| 6946881 | Method to detect the polarity of sync signals without external capacitor or clock In a polarity detector circuit for detecting the polarity of monitor sync signals, a clock generator and counter circuit are provided to count clock cycles during the positive and negative portions of the signal. Comparators are used to compare the counter values to... | 09/20/2005 |
| 6788188 | Multi-function electronic horn warning system A multi-function electronic warning horn system comprises a couple of horns (1, 2) and a microprocessor (6), integrated in an electronic module (16) comprising a voltage adjuster (13), an oscillator (17), power stages (3, 4)... | 09/07/2004 |
| 6778078 | Integrated emergency signaling load management system An emergency signaling system with integrated load management functionality is provided wherein the load management circuitry is alternatively operable in programming and operating modes. The system includes a keypad, control head, control unit and a plurality of si... | 08/17/2004 |
| 6750759 | Annunciatory signal generating method and device for generating the annunciatory signal When a dividing ratio data is written in a counter/timer register 530, a counter/timer circuit 534 divides a frequency of an oscillation signal of the oscillator 532 as much as the dividing ratio data. When an output enabling data is written in ... | 06/15/2004 |
| 6646548 | Electronic siren An electronic siren emulates the sound of a mechanical siren using a dynamic algorithm and look up tables to generate a series of wave sets, each wave set including one fixed frequency wave and one variable frequency wave. A micro controller stores the al... | 11/11/2003 |
| 6603392 | Control circuit for an alarm tone generator A driver circuit for an alarm tone transducer includes a signal generator for generating a first signal, a converter for converting the first signal into a second signal for the alarm tone transducer, a battery as a power supply for the circuit, and a cir... | 08/05/2003 |
| 6545595 | CD quality wireless door chime A doorbell system having a sound memory for storing and playing a CD quality doorbell sound is disclosed. Said doorbell system includes a receiver unit for receiving an indication of a doorbell button being pressed, a code detector for commanding the soun... | 04/08/2003 |
| 6456193 | Controlling method and apparatus of constant-frequency sound-production of electrical horn A controlling method and apparatus of constant-frequency sound-production for an electric horn are described. These are achieved. And comprised by a monolithic-processor. It's characterized in that frequency pulse output from constant-frequency oscillator... | 09/24/2002 |
| 6406049 | Amusement and alert accessory for bicycles An accessory which produces distinct sounds in order to alert others of the presence of a bicycle. The accessory is formed of a housing, sound producing assemblies, and a mounting system. The mounting assembly may be clamped around left or right members o... | 06/18/2002 |
| 6342831 | Electronic apparatus Electronic apparatus incorporating a loudspeaker, wherein the loudspeaker comprises a bending wave panel member having a user-accessible surface, an electro-acoustic vibration exciter on the panel member to introduce bending wave energy into the panel mem... | 01/29/2002 |
| 6317045 | Reproducing device The reproducing device is prevented from being taken out because the reproducing device becomes controllable by operation of the device only when a visitor who borrowed the reproducing device enters through a specified entrance and that the reproducing de... | 11/13/2001 |
| 6175298 | CD quality wireless door chime A doorbell system having a sound memory for storing and playing a CD quality doorbell sound is disclosed. Said doorbell system includes a receiver unit for receiving an indication of a doorbell button being pressed, a code detector for commanding the soun... | 01/16/2001 |
| 6130605 | Vehicle security system with multi-sound pattern alarm and associated methods A vehicle security system includes an audible alarm indicator, and a controller to generate an alarm indication comprising a plurality of distinguishable sound patterns. The sound patterns overlap in time yet are audibly distinguishable from one another t... | 10/10/2000 |
| 5986540 | Sound signal generating device A sound signal generating device capable of generating an alarm sound signal and voice signal for a prolonged period of time having a power supply, a memory for storing data in relation to a help sound signal digitally, a D/A converting circuit for conver... | 11/16/1999 |
| 5936515 | Field programmable voice message device and programming device A field programmable audible signal having voice message annunciating capability and a field programming device. The signal has two separate field programming paths. One path includes a built in microphone and the other is a facility to receive a download... | 08/10/1999 |
| 5831515 | Electronic siren apparatus including an integrated handheld microphone and control handle A two-piece electronic siren apparatus including an integrated handheld microphone and control handle and a receiver/amplifier box is provided. The microphone and control handle permits handheld control of emergency light functions, siren functions, and a... | 11/03/1998 |
| 5794730 | Indication system for vehicle There is provided, in a preferred embodiment, a transportation vehicle for transporting an individual over ground having a surface that may be irregular. This embodiment has a support for supporting the subject. A ground-contacting module, movably attache... | 08/18/1998 |
| 5793282 | Piezoelectric audio chime An electronic chime is created by a piezoelectric transducer with an exponentially decaying audio signal. The electronic chime has a power supply, an oscillator, a drive circuit, and a piezoelectric transducer. The drive circuit contains reactive componen... | 08/11/1998 |
| 5633625 | Electronic chime module and method An exponentially decaying chime sound is generated with a single tri-statable output pin from a microprocessor which is implemented using a single digital output pin line to create states of low, high and disconnect which are input to a control circuit fo... | 05/27/1997 |
| 5612673 | Emergency vehicle siren circuit system An emergency vehicle multiple sound siren disabling circuit is disclosed having a multiple sound siren circuit for emanating signals equivalent to a particular type of sound with an amplifier adapted for connection to a speaker. The siren circuit has a sw... | 03/18/1997 |
| 5557257 | Programmable emergency signalling system for a vehicle A signalling system is provided that is alternatively operable in programming and operating modes. The signalling system includes a keypad, control head, control unit and a plurality of signalling features selectively activated by the control unit in the ... | 09/17/1996 |
