Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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 |
| 8059494 | Water resistant portable object including a sound generator The invention concerns a water resistant portable object such as a diving watch including a sound generator device (12) and a microprocessor (1), characterized in that it emits acoustic signals at two different frequencies (f1) and (f2 | 11/15/2011 |
| 7965584 | Hour indicating ringing mechanism A ringing mechanism includes: a power source (12), a speed regulator (14), a ringing device, and a gear (10) connecting the power source (12) to the regulator (14) on the one hand and to the device on the other hand. The mechanism ... | 06/21/2011 |
| 7573784 | Method for setting up a wake-up alarm of a mobile communication terminal In a method for setting a wake-up alarm of a mobile communication terminal, when a user presses a key of a mobile communication terminal to stop a wake-up alarm, it is determined whether the pressed key is a number key. If so, a snooze time is arithmetically set usi... | 08/11/2009 |
| 7558158 | Electronic apparatus and method for implementing an intelligent wake mode An electronic apparatus and method for implementing an intelligent wake mode is provided. The method includes the steps of: tracking a system time of the electronic apparatus; entering into the wake mode when the tracked system time is equal to a predetermined time;... | 07/07/2009 |
| 7266049 | Clock radio with integral digital music storage system and infrared interface An alarm clock is provide capable of alternately actuating a plurality of visual stimulative and auditor stimulative appliances in a programmable manner such that a variation and randomization of the type of stimulation will be used to prompt the waking of the user.... | 09/04/2007 |
| 7201996 | Sound generator for a portable device A sound generating device is mounted in a recess formed in a case, and a battery is mounted on the case. A pair of terminals are provided on the underside of the case. A pair of leads connect a pair of electrodes of the battery with the terminals. ... | 04/10/2007 |
| 7187624 | Enhanced control buttons for digital timepieces Enhanced control buttons are provided for a digital timepiece, each button marked with an icon which identifies its function, one icon indicative of the so marked button being operable to turn a night light on/off, another icon indicative of the so marked button bei... | 03/06/2007 |
| 7177235 | Timer with selectable alert modes A multi mode alert timer having a timer display, switches for start stop and reset functions and audible, visible, and tactile alert signal selection and a housing where a user may select a timer alert signal including the individual alert signals or any combination... | 02/13/2007 |
| 6934220 | Portable programmable medical alert device A portable programmable medical alert device can be used to program multiple events, each of which will be signaled by an audible and a visual alarm. The user can program and reprogram medication schedules using only the portable alert device. The device, including ... | 08/23/2005 |
| 6888779 | Method and apparatus for a waking control system A method and apparatus are disclosed for a waking system that wakes an individual gradually over a period of time in order to promote the wellness of that individual. The user sets the system controller with a desired final wakeup time, which is the time that the us... | 05/03/2005 |
| 6838994 | Adaptive alarm system This invention provides an alarm system and method for adjusting the wake-up signals. The system includes a means for tracking the behavior of a person in a predetermined area under surveillance after the activation of an alarm clock, and a means for determining whe... | 01/04/2005 |
| 6724298 | Individual discreet prompting device with remote A remotely activated sensory stimulation device comprised of a case, a tactile stimulatory means, a receiving unit, a transmitting unit and a controller. The amplitude and frequency of the tactile stimulation is adjustable to provide different prompts or to alter th... | 04/20/2004 |
| 6014345 | Apparatus and system for damping external noises with means for producing sound and preventing oversleeping An apparatus designed to damp external noises, allowing the user to sleep in noisy environments. More particularly, it relates to a pair of hearing-protecting ear covers that insulate the user's ears from external noises, ear covers that incorporate a hea... | 01/11/2000 |
| 5726626 | Waterproof acoustic alarm safety device embodied in a wristwatch The invention concerns an acoustic alarm safety device comprising a case (2), a vibrating element (20) associated to a membrane (22) so as to make it vibrate, electrical means for providing a control signal to said vibrating element, and means (18) for ac... | 03/10/1998 |
| 5666331 | Alarm clock An alarm clock controls the supply of electrical power to a first outlet mounted on the clock housing and receiving a plug-in external electrical device to periodically change the state of the electrical device in response to an alarm time signal. A secon... | 09/09/1997 |
| 5313523 | Sound volume controlling apparatus The sound volume controlling apparatus comprises UP and DOWN keys (42, 43) depressed manually; a time period detecting circuit (39h, 39d) for detecting time period from when the duration of UP or DOWN key depression reaches a predetermined value (e.g. 0.5... | 05/17/1994 |
| 5243568 | Bioclock An electronic circuit, which, when inserted into a clock/radio, utilizes the time-setting mechanism and the audio system of the clock/radio, and which, in conjunction with a light sensor, causes both light and sound to start at low intensity and increase ... | 09/07/1993 |
| 4964108 | Volume control for sound reproducing apparatus A sound reproducing apparatus is provided with an audio signal processing circuit for receiving an audio signal from a signal input circuit and applying the same to a speaker or sound producer through a variable resistor which is adjusted to vary its effe... | 10/16/1990 |
| 4895393 | Clock-studying picture book In a clock-studying picture book, a picture book body illustrating respective picture patterns relating to various times of day is provided with a sound generator which, when a long hand or short hand, or both the long and short hands are controlled to po... | 01/23/1990 |
| 4879699 | Audio output device A timepiece includes an audio output device operable for announcing a plurality of different audio functions including stopwatch, timer, automatic time of day, alarm and user requested time of day. Selecting circuitry chooses among the group of audio func... | 11/07/1989 |
| 4681465 | Alarm signalling electronic timepiece with timer function An alarm signalling electronic timepiece including an alarm signalling circuit which generates alarm signal at a preset hour, and a sound circuit which generates signalling sound by the alarm signal. This timepiece includes a timer counter which can memor... | 07/21/1987 |
| 4589780 | Means for generating an intermittent alarm sound for a timepiece A timepiece of the type including a time indicating circuit and an electronic alarm sound generating means. The alarm sound generating means including a counter outputting a sound switching signal at every predetermined time by counting the pulse signal o... | 05/20/1986 |
| 4576484 | Memory enhancing apparatus The disclosed memory enhancing apparatus includes an oscillating section for generating a plurality of first signals. A counting section is coupled to the oscillating section for receiving the first signals and responsively generating a plurality of secon... | 03/18/1986 |
| 4491049 | Electronic musical instrument An electronic musical instrument having key input means selectively actuable to cause the production of sounds corresponding to respective notes of the musical scale, comprises a memory circuit for storing the respective notes, and a clear circuit actuate... | 01/01/1985 |
| 4481674 | Sleep switch volume control This invention is directed at a sleep switch volume control wherein the body portion of a clock radio timer knob has conductive and insulative portions which may be formed on two transverse, circumferential sections. The two sections are in abutting, para... | 11/06/1984 |
| 4386856 | Miniature electronic device having time informing sound generating function In a miniaturized electronic device having two time informing sound generating functions, namely time signaling and alarm sound generating functions, the volume of the sound produced is automatically controlled such that it is different at the time of the... | 06/07/1983 |
| 4377345 | Alarm signaling circuit for timepiece An alarm signaling circuit for a timepiece including a volume control circuit having a variable volume controller which can be externally adjusted and a fixed volume setting means which determines a constant volume, a change over switch which selectively ... | 03/22/1983 |
| 4373821 | Electronic timepiece generating different alarm sounds for respective different regions An electronic timepiece has a display unit capable of displaying different times in two or more regions in the world, an alarm time setting circuit capable of setting alarm times in the respective regions, and a buzzer device for sounding, at alarm times,... | 02/15/1983 |
| 4370067 | Electronic timepiece with gain/loss adjustment An electronic timepiece in which an operating state of a timepiece circuit is controlled by a control circuit composed of a counter responsive to clock pulses from the timepiece circuit, a digital/analog converter for converting a digital output signal fr... | 01/25/1983 |
| 4293940 | Time sound generating device A time sound generating device which generates a time announcement sound by detecting a change of time from a portion of a display element driving signal supplied to a time display element of a digital electronic clock and by driving an audio sound signal... | 10/06/1981 |
| 4271495 | Electronic clock with a chime system An electronic clock with a chime system has exclusively electronic processing for production of a variety of tone signal sequences consisting of known melodies or portions thereof and time-identifying sequences of strokes. The characteristic values of the... | 06/02/1981 |
| 4234944 | Alarm electronic timepiece An alarm electronic timepiece comprises an oscillating circuit for generating a high frequency reference signal which is frequency divided by a frequency dividing circuit into a lower frequency time signal. A display device displays information indicative... | 11/18/1980 |
| 4233679 | Adjustable piezoelectric transducer for a watch A watch includes a piezoelectric wafer mounted on a membrane held by its peripheral edge inside a watch caseback. A frequency adjustment device mounted in the caseback includes a rotatable arm contacting the membrane and movable to adjust the resonant fre... | 11/11/1980 |
| 4228645 | Electronic timepiece equipped with alarm system An electronic timepiece equipped with an alarm system in which a single external control member is used as both a snooze switch and an alarm stopping signal. The timepiece has a switching circuit means for generating a snooze signal when the external cont... | 10/21/1980 |
| 4216647 | Electronic timepiece In an electronic alarm timepiece having an alarm accordance circuit for producing an alarm signal at a preset time in accordance with a time stored in a time memory circuit, an electromechanical acoustic transducer is provided having at least two mechanic... | 08/12/1980 |
| 4205517 | Alarm electronic timepiece An alarm electronic timepiece comprises a time circuit including a time standard signal oscillator for generating a time signal fed to a time display portion for displaying time. An alarm device is driven by an alarm driving circuit to produce an audible ... | 06/03/1980 |
| 4205519 | Electronic time-piece with acoustic signal, for signalling a particular working mode Electronic timepiece delivering an acoustic signal to signalize to the user a particular state of working mode. The invention applies more particularly to timepieces with a digital display for indicating the time and the date, the same display being used ... | 06/03/1980 |
| 4203278 | Alarm electronic timepiece An alarm electronic timepiece comprising a timepiece circuit, a display for displaying time, an alarm for generating an alarm sound at an alarm time, a memory circuit for memorizing the alarm time and an alarm control circuit for controlling the tone qual... | 05/20/1980 |
| 4203279 | Timepiece which permits freely adjusting the level of sounds produced therein and given out thereof A timepiece which permits freely adjusting the level of sounds produced therein and given out thereof. In this timepiece, the sounds produced in a mechanical unit contained in a timepiece body are conveyed to the outside of the timepiece via a sound level... | 05/20/1980 |
| 4166358 | Solid state alarm for clock-radio A circuit provides a ramp voltage for purposes of controlling simultaneously a pair of transistors from saturation to cutoff and vice versa. Means are provided for generating an electronic strike and chime tone which is connected both to an amplifier circ... | 09/04/1979 |