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Patent No. 5823572

Self Defense Weapon With Memo

A self defense weapon formed as a memo pad and which is easily held by a person's fingers, therefore making it possible to provide protection from a mugger and also to quickly and easily write a record or a message without failure of missing or forgetting significant information under a stressful situation.

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Class 368/160 - For reciprocating or oscillating element


Subclass of Class 368 - Horology: time measuring systems or devices
Definition: Subject matter wherein the electrical power supply actuates
No. of patents: 72
Last issue date: 10/16/2007


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NumberTitleIssue Date
7283428Step motor drive unit and analog electronic timepiece
To make it possible by a simple constitution to perform a forcible rotation drive by a correction drive pulse and obtain a demagnetization effect. In a case where a control circuit has judged on the basis of a detection signal from a rotation detection circuit 10...
10/16/2007
7274624Timepiece with power-reserve indication
The invention concerns a timepiece including a mechanical power source (1) coupled, on the one hand, to first means (5) displaying time related information and, on the other hand, to a generator (2), a regulator circuit (6) for enslaving ...
09/25/2007
7170827Timepiece, having bearing portion formed of resin and wheel train
The invention relates to a timepiece which has a resin bearing section. Moreover, the invention relates to a wheel train apparatus which has a resin bearing section. The invention is constituted by the timepiece provided with a gear wheel and supporting members whic...
01/30/2007
7167420Timepiece including base plate formed of resin and wheel train
The invention relates to a timepiece which has a resin substrate, rotors, and wheel trains, and relates to a wheel train apparatus which has a resin substrate, bearing members, gear wheel, and the like. The invention is constituted by a timepiece comprising; a gear ...
01/23/2007
7158449Electronic timepiece and electronic apparatus
An electronic timepiece includes a radio wave receiving antenna (8) for receiving radio waves, electromagnetic motors (61, 65) for driving a time display part, a battery (5), and a body case for receiving the antenna (8), electromagnetic ...
01/02/2007
7120093Oval shaped timepieces and stem arrangement for watches
A watch frame comprising a dial face having a circumferential boundary surrounding the dial face. A single series of hours indicia are arranged along and following the circumferential boundary and surrounding an interior region of the dial face. A first and second t...
10/10/2006
6940786Electronic timepiece with stable IC mounting
An electronic timepiece that maintains the mounting integrity of an electronic circuit substrate and an electronic circuit component mounted on the electronic circuit substrate. In a movement 1 including a main plate 2 composed of an electric insulting...
09/06/2005
6879068Power generator, timepiece and electronic device having the same, and cogging torque adjustment method for the same
Protrusions (260) for adjusting the cogging torque of a rotor (21) are formed on a stator (22) in a small-size power generator (20). Since the protrusions (260) are formed on an inner periphery of a rotor accommodation hole (230...
04/12/2005
67310932-step bi-directional stepping motor
A bi-directional stepping motor in which a rotor is rotatable in steps of 180 degrees each, the stepping motor comprising a rotor comprising a permanent magnet and rotatably mounted about an axis and providing a permanent magnetic field; a first electrical coil and ...
05/04/2004
6714487Watch movement with a microgenerator and method for testing watch movements
Watch movement in which the rotor of a generator (10, 11, 13) is driven by a spring over a plurality of wheels (51, 61, 71) and pinions (50, 60, 70), the operation of the generator being regulated by an electronic regulating circuit (81)....
03/30/2004
6712500Escapement device for timepiece
The invention concerns an escapement device comprising a power source capable of delivering a variable torque based on the angle of rotation of a pinion fixed to said power source, said variable torque having at least a stable position and an unstable position. The ...
03/30/2004
6678218Timepiece including a generator
The timepiece includes a time base (13), a generator (1) formed in particular of a rotor (2) with permanent magnets and at least one coil (3), a barrel (6) with a mainspring coupled to said generator in order to drive it, analogue time indicating means (7...
01/13/2004
6570824Generator for a timepiece
Generator of the clockwork type including a stator formed of at least three coils (11a, 11b, 11c) and a rotor formed of two flanges (81, 82) carried by a shaft (5) and supporting an even number of magnets (91, 92). The rotor is formed of at least two dist...
05/27/2003
6541882Power generator, timepiece and electronic device having the same, and cogging torque adjustment method for the same
Inner notches (225A, 226A) for adjusting the cogging torque of a rotor (21) are formed on a stator (22) in a small-size power generator (20). Since the inner notches (225A, 226A) are formed on an inner periphery of a rotor accommodation hole (230) within ...
04/01/2003
6515941Electronic watch
An electronic watch which can be small-sized even with an additional mechanism such as a calendar mechanism. In the electronic watch, a rectangular piezoelectric oscillator 32 acting as a piezoelectric actuator is forced at its end face to contact with a ...
02/04/2003
6469959Generator in particular for a timepiece
Generator of the clockwork type including a rotor formed of two flanges 8 supporting magnets 9 and arranged at the end of shaft 5 having a diameter D at its centre. The stator is formed of three coils 11a, 11b, 11c carried by a support made in two parts 2...
10/22/2002
6400651Coil block protection structure and electronic device having coil block protection structure
An electronic device has a battery for storing electric power, an electronic circuit driven by electric power from the battery, and a coil block for generating a magnetic field in accordance with a signal from the electric circuit. A protective film is co...
06/04/2002
6172942Analog electronic watch
An output of an oscillating circuit is inputted to a system clock generating circuit, and a CPU performing various arithmetic processes is operated by this system clock. In order to operate a chopping pulse generating circuit and a one-shot pulse generati...
01/09/2001
6163126Electronic device
In an electronic apparatus such as a timing device capable of a quick-moving operation, a detecting coil wound coaxially with a driving coil for driving a rotor is arranged, a feedback-induced voltage appearing in the detecting coil is detected by a detec...
12/19/2000
6052337Electronic watch
The reference voltage of the rotation detecting comparator is set to the constant voltage circuit used in another circuit. However, because the constant voltage circuit used in another circuit has a constant voltage value suitable for its original purpose...
04/18/2000
5746092Viscous coupling gear device
A viscous coupling gear device has a first case having a protrusion extending from a surface thereof, and a second case having a surface facing the surface of the first case and a protrusion extending from the surface of the second case. A gear has a driv...
05/05/1998
5621704Timepiece movement with a second stop device
A timepiece movement comprises a rotor driven for intermittent rotation by a stepping motor, a speed-reducing wheel train and a second stop device. The speed-reducing wheel train has a movement conversion mechanism for transmitting intermittent rotary mov...
04/15/1997
5579290Epicycloidal step motor
The stator of the motor comprises two pole pieces (1, 2) which are axially staggered. An axially magnetized cylindrical rotor (5) is disposed in the openings or bores of said pole pieces. The rotor (5) is provided with an external toothing (3) which is co...
11/26/1996
5550795Electronic timepiece and a method of driving a stepping motor of electronic timepiece
To obtain an electronic clock which realizes miniaturization and low power consumption, and improves the precision of the rotation detection of a rotor by supplying a stepping motor with an effective power in accordance with the increase of a load to the ...
08/27/1996
5479380Ultrasonic motor for driving an analog electronic watch
An electronic timepiece utilizing a motor to drive indicating hands is provided. The motor includes a first member having displaceable portions displaceable in a first direction. A second member moveable in a second direction is moved in the second direct...
12/26/1995
5400303Driving device for timepieces
The driving device comprises two single-phase stepping motors (1, 2), each having a different preferential direction of rotation. The bidirectional drive is achieved by selectively feeding one or the other of the two motors....
03/21/1995
5280226Method and device for controlling a stepping motor by interrupting its drive pulse
A method and device for controlling a stepping motor having a coil and a rotor with a permanent magnet magnetically coupled to the coil. A drive pulse is applied to the coil each time the rotor has to turn by one step, and a representation of the quantity...
01/18/1994
5247235Method of supplying power to a single phase step motor
Method of supplying power to a single phase step motor of a time-piece, adapted to provide the motor with chopped voltage pulses of time-period T6 variable with respect to the load conditions and to the supply voltage of the motor, characterize...
09/21/1993
5210722Analog timepiece movement for large diameter energy cell
Analog timepiece movement adapted for a large diameter, thin energy cell, the movement comprising a molded frame of insulating material having a top central wall, and having depending peripheral side wall portions. A flat bridge of insulating material div...
05/11/1993
5197045Electronic watch
A timepiece includes an accumulator such as a hairspring for storing the energy provided by a step motor and a control mechanism such as a rotor immersed in a viscous fluid for controlling the energy released by the accumulator to provide a constant drivi...
03/23/1993
5151886Analog electric timepiece using an intermittent driving signal
An electronic timepiece provides continuous rotation for a hand in response to a discrete driving rotation. An energy storage mechanism is coupled to the discrete driving rotation and converts the discrete driving rotation into stored energy. A control me...
09/29/1992
5054009Motor, in particular, for driving a clockwork
In a motor, in particular for the electrical driving of a clockwork, a rotor (32) which is mounted rotatably together with a shaft (3) consists of a permanent magnet having diametrically opposite permanent magnet poles. A coil arrangement in the motor com...
10/01/1991
5038329Step motor control mechanism for electronic timepiece
A step motor driving control mechanism for use in an electronic timepiece for reducing the current consumption thereof is provided. Load detection circuitry detects the load condition of the step motor and selectively produces a load condition signal repr...
08/06/1991
5025428Electromagnetic escapement for mechanically driven watch or clock
A mechanically driven clock, watch, or other timing device having a mechanical energy generator supplying a driving force. A rotatable rotor engages with a driving force resulting in rotational force in a radial direction on the rotor. A magnetically perm...
06/18/1991
4984223Analog style electronic watch
An analog style electronic watch employing an IC controlled electromagnetic system for driving concentrically mounted second, minute and hour ring indicators. Each ring has a plurality of equidistantly spaced permanent magnetic elements which enable the r...
01/08/1991
4969133Timepiece including at least two motors
A timepiece includes at least two motors (1, 2), in which the shafts (4, 16) of the rotors (3, 15) are arranged head-to-foot in a manner such that the free end of the pinion (27) fixed to the shaft of one rotor extends in the direction opposite to that in...
11/06/1990
4912689Compensating circuitry for an electronic watch
A timepiece includes a hairspring for storing the energy provided by a step motor driving circuit and a rotor immersed in a viscous fluid controls the energy released by the hairspring to provide a constant driving force for turning the display hands of t...
03/27/1990
4912692High rate, bidirectional drive for a bipole stepping motor watch
An improved drive circuit for a quartz analog wristwatch having a bipole stepping motor with a drive coil, a power supply, a gear train having a plurality of gears driven by the rotor, a plurality of output members with hands rotatably driven by said gear...
03/27/1990
4908808Timepiece having a multipolar rotor
Electro-mechanical timepiece, comprising a circuit for generating electric pulses that appear at suitable points of time, a stepper motor controlled by said pulses and comprising a rotor (2) with permanently magnetic poles (8,9), a stator (3,4,5) and a co...
03/13/1990
4888749Three hand movement for a timepiece having a stepping motor
An improved movement for a three hand quartz analog timepiece having a frame, a stepping motor with the motor pinion adapted to step once per second, and a plurality of coaxial output members rotatably mounted in the frame including a spindle for driving ...
12/19/1989
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