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Patent No. 5421089

Fork With Timer

A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.

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Class 340/384.71 - Timing


Subclass of Class 340 - Communications: electrical
Definition: Subject matter comprising a clock or timing means for producing
No. of patents: 106
Last issue date: 04/22/2008


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NumberTitleIssue Date
7360499Helmholtz resonator type marine signal
A power efficient, acoustical Helmholtz resonator foghorn including a plurality of electrical emitters, some of which are redundant, arrayed at one end of a blocked tube with a plurality of exhaust ports located therein surrounded by a standoff tubular member. The f...
04/22/2008
7309234Method and device for introducing state changes into athletic activities
A device is described for introducing variation in athletic training and competitive events. This device maintains an internal state that occupies one of several allowed values. Depending upon the selected configuration, the device changes internal state at regular ...
12/18/2007
7248705Noise reducing headphones with sound conditioning
A headphone set has a pair of headphone assemblies for engagement over the ears, each with a cushion and an active noise reduction circuit for reducing noise. A sound conditioning circuit stores various conditioning sounds for the user and an external sound source a...
07/24/2007
7221119Robot system
In a case in which an operation is alternately carried out by apparatus-1 and the apparatus-2 in cooperation with a robot, an operator carries out operation within an operation range of each of the apparatuses during the interruption of power supply to...
05/22/2007
7173525Enhanced fire, safety, security and health monitoring and alarm response method, system and device
Method, system and device useful with conventional personal computers respond automatically to an identified alarm sound by sending a notification signal via the Internet only when a special sound monitoring program is active. Additionally, bedside detection of acou...
02/06/2007
7158040Environmental 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 but similar sounding alarm patterns, it can be difficult for occupants...
01/02/2007
7151458Discreet 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 generator, an amplifier programmed to provide an increase in sound volume l...
12/19/2006
7126455Method 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 digital processor such as a smart home central controller in a wireles...
10/24/2006
7081809Electronic 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 coaching device. In accordance with the instant invention, a portabl...
07/25/2006
7075415Conversion of light signals to audio
A system for the automated conversion of light signals to audio. ...
07/11/2006
7023326Vibration 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 having a frequency within a predetermined frequency range in a predete...
04/04/2006
7013281Sound 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 also includes a sound generator coupled to the processing device. Fur...
03/14/2006
6972697Controller for automatically manipulating a horn signal for navigational purposes
A system and method for a horn controller is provided that automatically operates a vessel's horn as a foghorn. The horn controller automatically causes the vessel's horn to sound according to the proper foghorn sounding schedule. The horn controller is designed to ...
12/06/2005
6965301Abuse resistant doorbells
Protection against abusive ringing of doorbells is provided by a ring limiting circuit including ring counter and ring timer circuits. ...
11/15/2005
6943671Generating 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 detector is compared to a time-based criterion, and a current geographic...
09/13/2005
6809634Buzzer-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 section operates independently of software processing of the mic...
10/26/2004
6765478Cap-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 upon removal of the cap to reproduce one of N audible messages record...
07/20/2004
6750758Remotely 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 sound port. The piezoelectric transducer is driven by circuitr...
06/15/2004
6686833Compound 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 generation circuit comprising a plurality of signal data stor...
02/03/2004
6359549Electronic 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 combine a user-selected recorded sound and the time-delayed sou...
03/19/2002
6198405Driver 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 circuit includes an inductor 1030, first and second connection...
03/06/2001
6177863Audio 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 voltage-controlled oscillator, at least two dual-input positive-NAND...
01/23/2001
6040517Rhythmic 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 device, so that the rhythmic tone generator is attached to th...
03/21/2000
5986540Sound 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
5959527Time 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 ball that strikes the chime elements when rotated provides a...
09/28/1999
5675311Frequency 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 power supply, a square wave oscillator, a ramp generator, a vo...
10/07/1997
5619179Method 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 retarding one IC's RESET port, the two ICs will always be...
04/08/1997
5592143Pulsed-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 to an intermediate pulsing rate and (ii) abruptly drop the...
01/07/1997
5212816Horn 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 voltage drop in the data PTT line of the computer when a trans...
05/18/1993
5196829Personal 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 speakers. The sound is controlled through digital outputs ...
03/23/1993
5165107Electronic 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 timer circuit, a horn, and a pulse generator which causes...
11/17/1992
5160913Electric 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 plunger combination. A solid state driver has a timer tuned e...
11/03/1992
5130696Sound-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 container structure so as to emit a preprogrammed sequence of soun...
07/14/1992
4929924Electronic 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 connection to said d.c. power supply, a series circuit includi...
05/29/1990
4926159Apparatus 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 generating a high intensity, power efficient sound, but which has p...
05/15/1990
4884294Portable 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 portable cordless telephone set includes a sound generation co...
11/28/1989
4833454Door 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 connected to control the tone generator, a timer connected to...
05/23/1989
4792789Alarm 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 transistor for intermittently discharging the capacitor in resp...
12/20/1988
4747351Solid-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 system includes input and output transistors which are norm...
05/31/1988
4725818Walk 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. The devices are connected in a loop or loops distributed thr...
02/16/1988
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