Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7429924 | Automatic doorbell driver An automatic doorbell driver that utilizes the power, wiring, and primary load of a conventional doorbell system. The automatic doorbell driver comprising coupling means for coupling the automatic doorbell driver to the conventional doorbell system; power supply mea... | 09/30/2008 |
| 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 |
| 7325357 | Acoustical fishing lure An improved fishing lure which produces, transmits and modulates high frequency vibrations. The high frequency tone wire vibration is actuated upon impact of a striker against the wall of an essentially watertight housing. As the striker oscillates within the housin... | 02/05/2008 |
| 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 |
| 7207133 | Tip-up device A tip-up fishing device includes a cross frame having a horizontal section that spans a hole cut in the ice and a vertical section that supports a spool of fishing line down in the hole. A trip device operates to release a spring elastic flag pole when a fish strike... | 04/24/2007 |
| 7126490 | Point of sale display for doorbell A doorbell having interchangeable chimes and interchangeable decorative covers is displayed for sale to the retail public such that a customer may easily choose a specific chime sound and combine it with a specific decorative cover enabling the customer to buy a doo... | 10/24/2006 |
| 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 |
| 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 |
| 7009098 | Water activated chiming device Upward flowing water through a riser from a reservoir excites a freely suspended striker displacing it from its gravitational resting position to make chaotic contact with encircling resonating elements attached to a mounting plate in order to produce tones of rando... | 03/07/2006 |
| 6768416 | Machine for automated generation of movement of chimes A machine for automated generation of movement of chimes with a base, an power source in the base electromagnetically connected to a post, chimes disposed about the post for receiving electromagnetic energy, a control circuit for generating intermittent electric pow... | 07/27/2004 |
| 6750760 | Door chime assembly and method Some embodiments of the present invention enable a user to select from different appearances and sound types by providing different door chime assembly housing covers. The housing covers can be different in shape, size, appearance, and/or acoustic property, and pref... | 06/15/2004 |
| 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 |
| 6504471 | Transducer apparatus responsive to external perturbation Transducer apparatus (10) responsive to external perturbations is disclosed having an electrically responsive transducer circuit (12) energized when a display member (18) and an elongate member (20) move from a gravity determined quiescent orientation (20... | 01/07/2003 |
| 6417763 | Machine for automated generation of movement of chimes A machine for automated generation of movement of chimes with a base, an power source in the base electromagnetically connected to a post, chimes disposed about the post for receiving electromagnetic energy, a control circuit for generating intermittent e... | 07/09/2002 |
| 6239692 | Sounder A multi-tone sounder system including the sounder and a method of controlling the sounder in which at least a pair of chime bars (3, 5), bells or gongs are spaced apart and arranged to be struck by a solenoid operated striker (26) positioned between the c... | 05/29/2001 |
| 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 |
| 6166310 | Water activated chiming device A water activated chiming device wherein a clapper floats on a stream of water spiraling upwardly out of an open upper end of a vertical pipe so that the clapper is randomly turned and moved laterally by the water to strike adjacent chime elements.... | 12/26/2000 |
| 6124782 | Wind-activated audio-generating apparatus A wind-activated audio-generating apparatus includes a sound-generating circuit and a wind switch having multiple contacts that are suspended from a support. When subjected to an air current, the contacts of the wind switch randomly strike one another and... | 09/26/2000 |
| 6028504 | Removable door chime The present invention provides a decorative door chime particularly well suited to festive occasions. The chime includes a speaker which is suspended on one side of the door by a strap, and a door-knocker actuated trigger switch suspended on the other sid... | 02/22/2000 |
| 6002323 | Audible feedback apparatus for indicating operation and position of a movable element The present invention provides an element being driven by an electromagnetic device. According to the invention, the element is in mechanical communication with a noise producing device which produces noise by mechanical means. Therefore, the noise produc... | 12/14/1999 |
| 5986541 | Motor driven bell A motor driven bell for producing a sound of a bell in a manner that a hammer member hits a gong through the use of a driving force of a motor. The motor driven bell comprises a supporting shaft A1 born on a front side between a pair of opposed frames, a ... | 11/16/1999 |
| 5961540 | Pancake annunciator An annunciator for an implantable medical device encapsulated within a casing comprises a magnetically permeable stationary ring member including an integral inwardly projecting peripheral flange having opposed sides on which electrically conductive coils... | 10/05/1999 |
| 5914650 | Removable door chime The present invention provides a decorative door chime particularly well suited to festive occasions. The chime includes a speaker which is suspended on one side of the door by a strap, and a door-knocker actuated trigger switch suspended on the other sid... | 06/22/1999 |
| 5909169 | Electric bell having a mechanism for supporting electromagnetic unit An electric bell includes a base having two walls extended upward from the central portion for forming a casing. The walls each includes an upper portion having one or more projections. Two spring leaves are secured on the base. An electromagnetic unit is... | 06/01/1999 |
| 5831516 | Electromechanical chime The present invention relates to an electromechanical wind chime. The chime includes a disk from which a hammer assembly is suspended. Additionally, a plurality of tubular chimes are suspended from the disk and surround the hammer assembly. The hammer ass... | 11/03/1998 |
| 5764154 | Passive non-energized earthquake detector An earthquake alarm that does not require batteries or other external power supply that supplies an audio alert with sound waves that can be detected by a human being, particularly useful in a bedroom to awaken a human being to notify them of an earthquak... | 06/09/1998 |
| 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 power supply, a square wave oscillator, a ramp generator, a vo... | 10/07/1997 |
| 5659286 | Doorbell base A doorbell base is made integrally and is provided with two resonators and a hollow housing located between said two resonators. Each of two resonators is provided respectively at two opposite side walls thereof with a locating projection for locating a s... | 08/19/1997 |
| 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 |
| 5587697 | Chime alarm apparatus A chime alarm apparatus having a housing having an axis and adapted to be suspended from rigid support. A first elongate annular member having upper and lower ends is suspended at its upper end from the housing and is substantially coaxial therewith, wher... | 12/24/1996 |
| 5583477 | Wireless AC/DC bell A wireless AC/DC bell which includes a transmitter circuit, which includes a battery power source, an indicator light, a modulation transistor, and an amplifier, and a receiver circuit, which includes a receiving antenna, a demodulator, an amplifier-recti... | 12/10/1996 |
| 5561413 | Sound generator The sound generator comprises a pipe gong and a hammer device for striking the pipe gong. The hammer device comprises a leaf spring whose bottom end is fixed, a hammer head installed on the upper end of the leaf spring, and a solenoid-type hammer driving ... | 10/01/1996 |
| 5519375 | Sound generator A gong holder is secured to a resonance box. A first end of each of gong sticks is secured to the gong holder. Solenoid type hammer devices drive rod hammers that are movably disposed in a direction perpendicular to the gong sticks so that the rod hammers... | 05/21/1996 |
| 5508680 | Solderless solenoid assembly for use in an electrical signaling device A solderless solenoid assembly, preferably for use in an electrical signaling device. The solenoid assembly is formed by wrapping conductive wire around a bobbin, forming a solenoid coil. A plurality of terminal displacement slots are attached to the bobb... | 04/16/1996 |
| 5473307 | Transducer apparatus responsive to external perturbation Transducer apparatus (10) responsive to external perturbations is disclosed having an electrically responsive transducer circuit (12) energized when a display member (18) and an elongate member (20) move from a gravity determined quiescent orientation (30... | 12/05/1995 |
| 5469132 | Transducer apparatus responsive to external perturbation Transducer apparatus (10) responsive to external perturbations is disclosed having an electrically responsive transducer circuit (12) energized when a display member (18) and an elongate member (20) move from a gravity determined quiescent orientation (30... | 11/21/1995 |
| 5420564 | Door chime assembly Door chime assembly includes a chime base having a rear plate and at least one resonance chamber secured to said rear plate, a tone bar within the chamber and a striking means mounted on the plate for striking the tone bar. The chime base is molded in a s... | 05/30/1995 |
| 4864275 | Solenoid operated doorbell Doorbell mechanism that employs only one solenoid to achieve both single tone and double tone operation. The solenoiod has a split coil with the full coil being employed for double tone operation and a portion of the coil being employed for single tone op... | 09/05/1989 |
| 4335418 | Electronic interrupter A circuit for controlling the intermittent application of a dc potential to a device, such as a striker mechanism for a gong, having a member reciprocally moveable between rest and active positions. The reciprocating member shunts and unshunts a capacitor... | 06/15/1982 |
| 4092893 | Multiple selective bell console and instrument A carillon keyboard instrument is provided for playing bells and auxiliary bell tones, with a pedal provided for allowing the player to adjust the relative intensities of the major and minor tones of the bells. The instrument utilizes two sets of vibrator... | 06/06/1978 |
