Bizarre Patents
Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
PatentStorm News
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 |
| 7253552 | Piezoelectric actuator, timepiece, and portable device A rectangular vibrating plate 10 in which a piezoelectric element and a reinforcing plate are stacked is supported on a main plate by a support member 11, and is urged toward the rotor 100 by an elastic force of the support member 11. Thi... | 08/07/2007 |
| 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 |
| 7199507 | Piezoelectric motors and motor driving configurations A piezoelectric motor comprising: a piezoelectric vibrator having an axis of symmetry and a first vibration mode, which when excited generates oscillatory motion of mass points in the vibrator parallel to the axis of symmetry; and at least one friction nub having a ... | 04/03/2007 |
| 7173362 | Vibratory motors and methods of making and using same A single piezoelectric is excited at a first frequency to cause two vibration modes in a resonator producing a first elliptical motion in a first direction at a selected contacting portion of the resonator that is placed in frictional engagement with a driven elemen... | 02/06/2007 |
| 7042742 | Charge-pump circuitry A charge-pump circuitry which receives an external voltage source to generate a target voltage is provided. The charge-pump circuitry comprises a voltage multiplier module and a voltage difference generating circuitry. Wherein, a first input terminal of the voltage ... | 05/09/2006 |
| 6995496 | Electrical power extraction from mechanical disturbances A method of extracting power includes coupling a transducer that converts mechanical power to electrical power to a disturbance; coupling an electrical circuit to the transducer such that a peak voltage experienced by the transducer is greater than two times higher ... | 02/07/2006 |
| 6885615 | Piezoelectric actuator, time piece, and portable device A rectangular vibrating plate 10 in which a piezoelectric element and a reinforcing plate are stacked is supported on a main plate by a support member 11, and is urged toward the rotor 100 by an elastic force of the support member 11. Thi... | 04/26/2005 |
| 6813223 | Portable object such as, in particular, a timepiece, including a piezoelectric transducer for entering data manually The present invention concerns a portable object such as, in particular, a timepiece (1), including means (16) for displaying at least one data item and a case (2) formed of a top portion including a crystal (14) covering the display mean... | 11/02/2004 |
| 6747916 | Communication system between a portable unit and a communication terminal The present invention concerns a communication system between a portable unit, such as a watch, and a communication terminal (2) such as a personal computer or PC, characterized in that the communication terminal (2) includes at least means for transmi... | 06/08/2004 |
| 6577559 | Electronic converter for converting an acoustic signal into a pseudo-digital signal, timepiece including such a converter and two-directional communication method via acoustic waves The present invention concerns the use of a sound generator circuit (22) including a piezoelectric vibrator (P3) as an acoustic wave receiver. The invention also concerns an electronic converter (20) including a sound generator circuit (22) provided... | 06/10/2003 |
| 6349075 | Electron equipment A small electronic equipment with a vibration alarm has, as a drive source, a flat stator type bipolar stepping motor, which has a rotor having high durability, can be assembled easily, requires low power consumption, is started constantly stably, and can... | 02/19/2002 |
| 6266296 | Actuator, and timepiece and notification device using the same To provide an actuator which can achieve a reduction in size and weight of a device in which the actuator is mounted by amplifying and outputting displacement of a movable end of a vibrating plate as vibration in an in-plane direction, and to provide a ti... | 07/24/2001 |
| 6219304 | Device capable of being submerged and including an acoustic transducer A device includes a case (2) in which an acoustic transducer (11) is mounted so as to communicate in a water tight manner with the exterior of the case (2) via acoustic energy. The transducer (11) is mounted in front of a membrane (18) able to be deformed... | 04/17/2001 |
| 6014347 | Device capable of being submerged and including an acoustic transducer A case (2) in which an acoustic transducer (22) is mounted so as to communicate in a watertight manner with the exterior of the case (2) via acoustic energy. The transducer (22) is attached to a membrane (17) separating it in a watertight manner from an i... | 01/11/2000 |
| 5878004 | Electronic equipment with vibration alarm A small electronic equipment with a vibration alarm has, as a drive source, a flat stator type bipolar stepping motor, which has a rotor having high durability, can be assembled easily, requires low power consumption, is started constantly stably, and can... | 03/02/1999 |
| 5842288 | Clothes dryer with chiming alarm A solid state alarm for a clothes dryer receives a line voltage signal prior to termination of the tumbling cycle to provide a series of pulses with decaying amplitudes driving a piezoelectric-type transducer. A timer terminating the series of pulses comm... | 12/01/1998 |
| 5668783 | Sound generator in particular for a timepiece A sound generator comprises a transducer (3) intended to be supplied with a signal having a frequency determining the sound to be produced and having a variable amplitude (envelope). To this effect, the transducer is connected in series with the principal... | 09/16/1997 |
| 5604718 | Timepiece Comprising an electro-acoustic transducer The piezo-electric device (9) which connects a glass (8) to a movement (3) of the timepiece (1) is arranged in such a way as to deform in flexion in response to an exciting signal applied to its electrodes. The attachment zones (9a,9b) of this device (9) ... | 02/18/1997 |
| 5602521 | Electronic device with light An electronic device with a display having a light source, such as an electroluminescent element, becomes easier to see and is reduced in size and power consumption when a single boosting element is used for selectively driving the light source and an add... | 02/11/1997 |
| 5493543 | Capacitive charge pump driver circuit for piezoelectric alarm A capacitive charge pump circuit and associated method is provided for outputting an output voltage which has a magnitude which is an integer multiple of the magnitude of a power supply voltage used to power the circuit. In one form, a capacitor is charge... | 02/20/1996 |
| 5043956 | Wristwatch with oscillation alarm A wristwatch with an oscillation alarm uses an ultrasonic motor as its drive source. A vibration member has a piezoelectric element adhered thereto on one side and comb-like projections on the other side. A rotor has a sliding member composed of resin at ... | 08/27/1991 |
| 5023853 | Electric apparatus with silent alarm A timepiece in which a vibration member starts vibration at an alarm time to let a person know the alarm time. The timepiece comprises a case having a shape of thin, small-sized wrist watch form, timekeeping circuit for counting a present time, alarm circ... | 06/11/1991 |
| 4918674 | Alarm timepiece An alarm timepiece the internal movements and electronic components of which can be arranged and accommodated more efficiently in that the alarm diaphragm with a piezo-electric element attached thereto is obliquely mounted within the frame of the timepiec... | 04/17/1990 |
| 4904982 | Visual and audible warning device A visual and audible warning device has a piezoelectric element operable to cause vibrations which are transmitted through a light transmitting member, and a light emitting element which upon actuation causes a visual warning to be transmitted through the... | 02/27/1990 |
| 4821257 | Electricity supply structure for a piezoelectric vibrator An electricity supply structure for a piezoelectric vibrator includes a circuit board and a coil spring having one end positioned in contact with the circuit board and the other end with a portion extending toward the center of the spring and a rising con... | 04/11/1989 |
| 4775948 | Baseball having inherent speed-measuring capabilities A baseball with a self-contained speed-measuring module positioned within a hollowed-out portion of the solid core of the ball, with the upper portion of the module being a display unit that indicates the speed at which the baseball was thrown over a fixe... | 10/04/1988 |
| 4697932 | Multi-signal alarm A piezoelectric signaling device that produces a predetermined number of audio signals when activated. The device includes a timer, a pulser, an audio oscillator, and a piezoelectric transducer. The timer enables the pulser for a predetermined time. While... | 10/06/1987 |
| 4663624 | Pager having receiving frame tuned by transducer A pager is described for use in an electronic watch. The pager comprises a frame (1) for picking up a magnetic signal and a piezoelectric transducer (11) having a static capacitance on its terminals, for producing a sound. 11 To improve sensitivity of rec... | 05/05/1987 |
| 4567806 | Sound generator The sound generator applies an envelope to the note signal. Current to the sound producing element is controlled by a series transistor whose base is driven with a signal having a frequency corresponding to the musical note. The driving voltage applied to... | 02/04/1986 |
| 4529322 | Booster circuit for electronic watch elements A booster circuit in an electronic watch having: hands for indicating time or a display portion such as a panel for displaying time digitally; a lamp for lighting the display portion by electroluminescence (EL element); and a sound generating portion for ... | 07/16/1985 |
| 4526477 | Piezoelectric buzzer for wrist watches A piezoelectric buzzer directly secured to a portion of a wrist watch casing and driven to vibrate the casing and produce an alarm sound. Associated circuitry alternately drives the piezoelectric buzzer at two different frequencies having a frequency rati... | 07/02/1985 |
| 4523856 | Electronic timepiece including an electro-acoustic transducer An electronic timepiece is provided with an alarm and means coupling a sounding unit to a circuit generating a sonic signal. The first electrode (6) of the sounding unit (5) is mechanically and electrically fixed to a metallized decoration (4) set under t... | 06/18/1985 |
| 4496247 | Display device with transparent cover as a vibrator of a sound generator Disclosed is a display device including a transparent piezoelectric element having transparent electrodes coated on both surfaces thereof, bonded by transparent adhesive material on an inner surface of a transparent cover to be arranged in front of a disp... | 01/29/1985 |
| 4487099 | Electro-acoustic transducer drive circuit for producing damped waveform envelope musical notes An electro-acoustic transducer drive circuit for driving a device such as a miniature piezoelectric buzzer to emit musical notes, the notes having a damped waveform envelope whose shape is controlled by digital signals. The notes are formed by mutually in... | 12/11/1984 |
| 4471258 | Piezoelectric ceramic transducer In a transducer including at least a piezoelectric ceramic plate which has curved surfaces, electrodes which are formed on both the main surfaces of the piezoelectric ceramic plate, a frame which holds the piezoelectric ceramic plate, and means for applyi... | 09/11/1984 |
| 4459037 | Wristwatch with piezoelectric buzzer A wristwatch having a piezoelectric buzzer therein includes a watch case and a case back. The piezoelectric buzzer includes a piezoelectric element mounted on the case back inside the watch case. A driver selectively applies signals having a frequency of ... | 07/10/1984 |
| 4445113 | Small type acoustic device A small acoustic device is provided with a housing, a first electrically actuated vibrating plate and a second vibrating plate. A support member cooperates with the housing for mounting the periphery of the second vibrating plate to the housing to define ... | 04/24/1984 |
| 4440504 | Electronic timepiece including a piezoelectric alarm An electronic timepiece including a piezoelectric type alarm buzzer wherein the caseback functions as the buzzer diaphragm is provided. The piezoelectric element is mounted on the caseback and a battery for driving the timepiece is mounted on the piezoele... | 04/03/1984 |
| 4392747 | Display device structure A display device structure comprising a casing, a display panel placed in the casing, a transparent covering and vibrating plate member on the front side of the display panel and an actuator for the plate member. The covering and vibrating plate member is... | 07/12/1983 |
| 4391532 | Electromagnetic acoustic transducer An alarm electronic wristwatch has an electromagnetic acoustic transducer having a base plate having a plurality of upstanding projections, and a lead substrate superposed on the base plate and having a plurality of openings dimensioned to receive respect... | 07/05/1983 |
