Abstract: A direct-current dimmer switch with low noise. A direct-current switch is turned on relatively slowly to avoid noise generation. Input capacitance of the direct-current switch device works in conjunction with a switch input series resistor to avoid a sharp turn-on characteristic. A set-point is compared against a voltage ramp to generate a pulse provided to the switch input. Essentially the full voltage is supplied to the load during the pulse. In one embodiment, a field-effect transistor with a low series resistance is used as the direct-current switching device. The ramp is generated by an integrator that is turned off at zero crossings of the alternating input line voltage to re-set the integrator. In a further embodiment a detector, such as a passive infra-red detector, is used to turn on the dimmer switch at a pre-set level.

Abstract: An irrigation timer (2) includes a controller (8), including output signal terminals (18) coupleable to irrigation valve actuators (20) and an internal clock, and user inputs (12). Each irrigation valve actuator is coupleable to an irrigation valve for a watering zone with a watering period setting for each of the watering zones during a watering cycle (96). The controller divides the watering period for each watering zone by an integer n greater than 1 to obtain fractional watering periods (98). This permits each zone to be watered for its fractional watering period during a first fractional watering cycle (100) prior to beginning a second fractional watering cycle n of the fractional watering cycles constitute the watering cycle. The use of fractional watering periods help to spread out watering over a long period of time in each zone.

Abstract: A pulse action facial massager apparatus including a headset assembly for mounting to a user's head. A pair of flexible extension fingers extending from opposite sides of the headset assembly each of which is operably coupled to a vibrating device each generating an independent vibrating action. A tip portion of each extension finger is manually movable for selected contact at independent portions of the user's head. Hence, the respective vibrating device transmits the vibrating action thereof along the extension finger to the respective tip portion. Each vibrating device includes a motor that is controlled by an electronic controller mounted on the headset assembly. The controller permits user-variation of the repetition rate and duty cycle of the motors. This permits the user to vary the vibrational patterns produced by the present invention. In an automatic mode, duty cycle is automatically varied by a sawtooth waveform to produce a dynamically changing pattern of massage intensity.

Abstract: An apparatus for organizing articles of clothing is disclosed. The apparatus includes a housing having first and second drums rotatably mounted thereto. A belt is engaged around the first and second drums that has a plurality of first hook members for hanging articles thereon. A drive system is used for rotating one of the first and second drums, and an automatic control system activates the drive system for a period of time approximately equal to a motor delay time period. In another embodiment, the apparatus includes an electric motor and a pulley and gear system for rotating one of the first and second drums. An electric switch is mounted to the housing and coupled to the electric motor. In another embodiment, the apparatus includes a light bulb mounted to the housing for illuminating articles hanging on the first hook members and an automatic lighting means for providing electricity to the light bulb for approximately a lamp delay time period.

Abstract: An ultrasonic pulse cleaner has a driving circuit which receives current from a source and drives an ultrasonic energy generating element. A timer connected to the driving circuit permits operation in a first mode in which the ultrasonic energy generating element generates ultrasonic energy at a substantially continuous rate, and in a second mode in which the ultrasonic energy generating element generates ultrasonic energy as a plurality of discrete pulses.

Abstract: An apparatus for organizing articles of clothing is disclosed. The apparatus includes a housing having first and second drums rotatably mounted thereto. A belt is engaged around the first and second drums that has a plurality of first hook members for hanging articles thereon. A drive system is used for rotating one of the first and second drums, and an automatic control system activates the drive system for a period of time approximately equal to a motor delay time period. In another embodiment, the apparatus includes an electric motor and a pulley and gear system for rotating one of the first and second drums. An electric switch is mounted to the housing and coupled to the electric motor. In another embodiment, the apparatus includes a light bulb mounted to the housing for illuminating articles hanging on the first hook members and an automatic lighting means for providing electricity to the light bulb for approximately a lamp delay time period.

Abstract: An anti-snore apparatus and method of stopping a person from snoring are disclosed. A preferred embodiment of the apparatus includes a housing that is wearable on a person's limb and a strap for securing the housing to a person's limb. Means are contained within the housing for receiving a power supply. A motor is secured to and contained within the housing. A weight is secured to an output shaft of the motor. The output shaft extends through the weight at a point outside of a center of gravity of the weight so that rotation of the weight by the output shaft produces a vibratory motion in the housing. A microphone is contained within the housing for detecting audible snoring and for producing a microphone output signal in response to such detected snoring. An audio amplifier amplifies the microphone output signal to produce an amplified microphone output signal. A comparator produces a comparator output signal in response to the amplified microphone output signal exceeding a predetermined level.

Abstract: A sound actuated switch including a microphone coupled via an audio amplifier to a reset circuit. When a sound of sufficient intensity is received by the microphone a reset signal is supplied to the counter portion of an oscillator and counter circuit. The counter then begins counting oscillations and produces an "on" control signal until a predetermined count is reached, at which time an "off" control signal is produced. The control signal is supplied to the gate of a switching triac in a switch circuit. The presence of the on control signal causes the switching triac to electrically connect an AC power source to a load, typically a light. A simple, high efficiency DC power supply is also disclosed.

Abstract: A sound actuated switch including a microphone coupled via an audio amplifier to a reset circuit. When a sound of sufficient intensity is received by the microphone a reset signal is supplied to the counter portion of an oscillator and counter circuit. The counter then begins counting oscillations and produces an "on" control signal until a predetermined count is reached, at which time an "off" control signal is produced. The control signal is supplied to the gate of a switching triac in a switch circuit. The presence of the on control signal causes the switching triac to electrically connect an AC power source to a load, typically a light. A simple, high efficiency DC power supply is also disclosed.