Matches 1 - 50 out of 138 1 2 3 >
Match Document Document Title
7629894 Methods and systems for controlling directional sounders for route guidance  
A plurality of directional sounders located in a region being monitored can be synchronously and sequentially activated in various patterns to establish an audibly defined exit route from the...
7522031 Apparatus and method for controlling alarm by motion recognition in a portable terminal  
The present invention relates to an apparatus and a method for controlling an alarm using motion recognition in a portable terminal. In the method, motion input of the portable terminal is sensed...
7158040 Environmental condition detector with audible alarm and voice identifier  
Due to the presence of various environmental condition detectors in the home and businesses such as smoke detectors, carbon monoxide detectors, natural gas detectors, etc., each having individual...
7151458 Discreet bed-wetting alarm and method of use thereof  
A discreet bed-wetting alarm comprising a controller, earpiece with earphone, and interconnecting cable. The controller comprises a clock/processor with timer, a display, a sound signal/tone...
7126455 Method for controlling abusive use of doorbells  
Protection against abusive ringing of doorbells is provided by a ring limiting circuit including ring counter and ring timer circuits. Protection can also be implemented in software executed by a...
7081809 Electronic pace regulating, timing, and coaching device and system  
This invention relates to systems to regulate pace. More particularly, this invention relates to providing a user with a regulated pace through the use of an electronic pace regulating, timing, and...
7075415 Conversion of light signals to audio  
A system for the automated conversion of light signals to audio.
7023326 Vibration apparatus for a mobile telecommunication terminal and method for controlling the same  
Disclosed is a vibration apparatus for generating vibration in a mobile terminal. The apparatus includes a vibrator for generating vibration; a frequency generator for generating a driving signal...
7013281 Sound generator circuit pre-filter system and method  
A sound generator apparatus configured to improve sound quality for a sound generator that includes a processing device and a memory coupled to the processing device. The sound generator apparatus...
6965301 Abuse resistant doorbells  
Protection against abusive ringing of doorbells is provided by a ring limiting circuit including ring counter and ring timer circuits.
6943671 Generating an alarm based on location and time  
A portable device includes a location detector, a time detector, and an alarm module to generate alarms based on both time-based and location-based criteria. A current time provided by the time...
6809634 Buzzer-driving apparatus  
A pulse signal, having a buzzer-driving frequency, for driving a buzzer ( 3 ) is generated by a free running timer of a timer management section of a microcomputer ( 1 ). The timer management...
6765478 Cap-signaling device  
A signaling cap device comprises an audible message reproducing unit, a switch, a power supply, and a former of an audible message number, whereas the audible message reproducing unit is operative...
6750758 Remotely controlled beeper and method  
A collar-mounted animal training device includes a piezoelectric transducer device ( 6 ) attached to a mylar cone acoustic element mounted in a transducer housing ( 5 ) configured as a resonant...
6686833 Compound acoustic actuator drive circuit and portable information terminal  
In a signal generation circuit for a compound acoustic actuator that generates a sound and a vibration in response to a frequency of a signal input to the compound acoustic actuator, the signal...
6359549 Electronic sound generator with enhanced sound  
A sound generator includes a memory bank storing user-selectable recorded sounds, a microprocessor that can quasi-randomly time-delay at least one of the recorded sounds, and a mixer that can...
6198405 Driver circuit and method of operating the same  
A driver circuit 1000 for driving functional devices, such as an LED 1020-1023, a buzzer 1060, a voltage converter or an EL-lamp, and a method of operating the driver circuit are provided. The...
6177863 Audio alarm signal initiation device  
A device and method, which progressively and sequentially increases the volume of the alarm signal upon the initiation of the alarm, is provided. The disclosed device includes a multiple...
6040517 Rhythmic tone generator  
A rhythmic tone generator includes a casing that houses a rhythm signal generating circuit, a battery and a tone generating device, and that is positioned and held on the concha by an attaching...
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...
5959527 Time triggered chime  
A chime activated by a clock to sound a pleasing sound every hour, by attaching a clock to an electrical controller that operates a striker mechanism. The striker mechanism, comprising a striker...
5675311 Frequency sweeping audio signal device  
An audio signal is generated that sweeps from a lower frequency to a higher frequency in a substantially linear function. The circuit used to produce this sweeping audio frequency has a stable...
5619179 Method and apparatus for enhancing electronically generated sound  
A sound generator includes independent and identical generators for the left and right sound channels. In one embodiment, identical sound synthesizer ICs contain the same library of sound loops. By...
5592143 Pulsed-tone timing exercise method  
A pulsed-tone timing method. Pulsed audible guide tones are activated at an initial pulsing rate. The pulsing rate is manipulated so as to repeatable (i) increase the pulsing rate over a time span...
5212816 Horn honker interface  
An audible interface device for each of a plurality of mobile units equipped with a radio dispatch system operated by a computer is provided. The device consists of a mechanism for detecting a...
5196829 Personal safety device having microprocessor control and method for operating the same  
A personal safety device controlled by a microprocessor which responds to commands, such as activation and deactivation commands. The microprocessor acts to control sound emitted from two separate...
5165107 Electronic delay timer and alarm system  
A time delay and alarm system is provided to ensure safe operation of periodically activated apparatus having potentially dangerous moving parts. The system preferably employs a 555 type integrated...
5160913 Electric horn with solid state driver  
An electric horn having a diaphragm connected to a ferromagnetic plunger is driven by an electromagnetic coil to cause vibrations of the diaphragm at the resonant frequency of the diaphragm and...
5130696 Sound-generating containment structure  
An arrangement for the generating or producing of sounds and, more particularly, a containment structure incorporating a sound-generating device which will be activated upon opening of the...
4929924 Electronic alarm horn  
In an electronic horn for alarm systems of the type in which an alarm condition is indicated by a reversal of polarity in the d.c. power supply, an improvement provides a pair of terminals for...
4926159 Apparatus and method for the generation of directionally perceptible sound  
An apparatus and method to generate high intensity sound having a strong directional characteristic. The apparatus preferably uses a sound element (e.g. piezo sounder) which is capable of...
4884294 Portable cordless telephone set for outputting various discriminiation sounds with simple circuit construction  
A portable cordless telephone set for outputting various types of discrimination sounds, in radio communication with a base unit, and having a telephone transmission and reception portion. The...
4833454 Door chime  
An audio signal device for a door mounted advertising display, the device includes a signal unit, a battery connected to said signal unit, the unit including a tone generator, a pulse generator...
4792789 Alarm driving signal generator  
To activate a buzzer of voltage driven type in response to an alarm signal, the alarm driving signal generator comprises a capacitor connected between a supply voltage and the buzzer; a first...
4747351 Solid-state whistle and horn activation system for model railroads  
Apparatus for actuating a sounding device for model railroad engines powered by an alternating-current voltage impressed across two rails, which apparatus is completely solid state in nature. The...
4725818 Walk through test system  
Walk through test system for testing devices such as pull stations, smoke detectors, alarm bells and the like for alarm and trouble conditions without the assistance of a central panel operator....
4724424 Warning chord sound producing apparatus including an integrated circuit  
A 1-bit microcomputer driven by a clock signal has first and second output ports. The signals from these output ports control first and second transistors whose output signals are supplied to...
4700180 Apparatus to indicate when a patient has evacuated a bed  
A monitoring system for a bed patient comprising a binary signal generating means to provide a first signal when the patient is in the bed and a second signal when the patient is out of the bed. An...
4698619 Variable frequency fire tone generator  
An alarm message generation and broadcast system having supervision including an alarm message generation circuit for generating an alarm message, an output for receiving the alarm message so that...
4641937 Self-timer device for a camera  
A self-timer device which announces its operation with sounds, and in which the sound volume or loudness changes in accordance with environmental sound or exterior noise around the camera so as to...
4617530 Pseudo-random noise generator  
A circuit for generating a noise signal for use in a jet engine noise simtor which utilizes two component pseudo-random noise (PSN) generators and a combination field effect transistor (FET) and...
4602551 Gated electronic metronome  
A gated electronic metronome including an oscillator generating pulses for a counter that divides them to the fundamental tempo which is gated with a switch-selectable binary division of the...
4603324 Tone-pip-signal generator  
A tone-pip signal generator for use in systems employed in the identification and diagnosis of hearing defects, the generator including a counter for counting cycles of a clock signal which occur...
4603317 Electrically-operated backup alarm  
An improved electrically-operated backup alarm for use on mobile construction and industrial machinery, including selectable lower and higher loudness levels, automatically adjustable loudness...
4602147 Roasting timer  
A timer for controlling the roasting of food products which create sounds during the roasting process through the explosive release of steam and gases generated by the cooking process. The system...
4510485 Sound generating device for jogger  
A sound generating device for a jogger has a generator circuit for generating pace signals the frequencies of which are different from each other in correspondence with different tempos and for...
4499453 Power saver circuit for audio/visual signal unit  
A combined audio and visual signal unit with the audio and visual components actuated alternately and powered over a single cable pair in such a manner that only one of the audio and visual...
4473821 Personal acoustic alarm system  
The personal acoustic alarm unit produces an audible alarm signal in the audio range to alert persons in the area of the signal transmitter. This audio alarm signal is formed by a plurality of...
4462297 Electronic metronome  
A trigger-type oscillator circuit, which can be adjusted to a predetermined frequency, is connected to a circuit for generating audible and/or visual bips at the predetermined frequency. A...
4449232 Audibly announcing apparatus  
A timer-announcer system stores instructions for generating various types of time information, e.g., sharp time (announced at a pre-set time); and updated real time (announcing the present time...
Matches 1 - 50 out of 138 1 2 3 >