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| Number | Title | Issue Date |
| 7382272 | System, a tool and method for communicating with a faulted circuit indicator using a remote display Provided is a system, a tool and a method for communicating with a faulted circuit indicator (FCI), the faulted circuit indicator including a detection circuit for monitoring an electrical conductor of a power system. The system includes a remote display mounted in ... | 06/03/2008 |
| 7191950 | Portable tendering and customer service stations and related systems and method A portable tendering station includes a movable housing, a removable terminal attached to the housing for acquiring transaction information, and at least one peripheral device attached to the housing and coupled to the terminal for conveying the transaction informat... | 03/20/2007 |
| 7145053 | Moisture indicator for a diaper A battery operated moisture indicator for selective attachment to an existing diaper worn by a baby, having an audible alarm and having a liquid crystal display bulb, for providing an audible alert and a visual alert, respectively, when the diaper has been wet by th... | 12/05/2006 |
| 7116236 | Oil tank sight glass monitor An oil tank sight glass monitor comprising a housing having an opening therein sized to receive the sight glass of an oil tank; an emitter for emitting a beam of light, the emitter being mounted to the housing on one side of the opening so that the beam of light is ... | 10/03/2006 |
| 7049532 | Electric contacts, electric contact apparatus and method for detecting abrasion of the electric contacts A pair of electric contacts include a pair of first units which are provided on the surfaces of the end sides of the electric contacts, and generate light having first characteristics at the time of opening and closing of the electric contacts, and a pair of second ... | 05/23/2006 |
| 6891284 | Electronic timer with photosensor A switch and method are provided for turning on and off an electrical device. The switch includes a control module, having a time module and an electrical output to which an electrical device can be connected. The time module includes a clock which is programmable t... | 05/10/2005 |
| 6872901 | Automatic actuation of device according to UV intensity A device automatically actuated according to UV intensity includes a UV detector generating an electric signal indicative of a UV intensity of a light received thereby; a comparator in communication with the UV detector, receiving the electric signal to compare the ... | 03/29/2005 |
| 6809661 | Keypad device A keypad device for telephones, mobile phones, remote control units, text and character transmitters, calculators, electronic planners or the like, wherein a control element, when actuated manually by an operator, is adapted to be able to carry out at least two func... | 10/26/2004 |
| 6743988 | Optically controlled switches An optically controlled switch includes first and second electrodes, a channel extending between the electrodes, and a light source positioned to illuminate the channel. The light source produces a wavelength capable of changing the material's conductivity. The chan... | 06/01/2004 |
| 6540375 | Non-mechanical contact actuator for an article A flashlight has a housing with a recess through which is passed a light beam from a light source to a light receiver. The receiver is coupled through a microprocessor to energize the bulb of the flashlight upon interruption of the light beam by an indivi... | 04/01/2003 |
| 6222141 | Irradiation controlled switch A switch comprises at least a first layer of a first material and two contact electrodes arranged on opposite sides of the first layer and connectable to different potentials for applying a voltage thereacross. A first layer is adapted to be conducting up... | 04/24/2001 |
| 5736726 | Portable data collection device having removable handle and battery A portable data collection device including an integral bar code dataform reader. The device includes a housing configured to be cradled in an operator's hand and be operated as a stand alone unit for dataform reading, data input via user interface keys a... | 04/07/1998 |
| 5698828 | Driver side air bag cover with optical horn switch An air bag deployment door with a switch to activate a horn, the switch including a thin, flexible optical cable operatively disposed on or within the horn activation area and a sensor responsive to a change in signal strength through the cable for genera... | 12/16/1997 |
| 5635898 | Fire sound simulator and related transmissions A fire sound simulator includes a random sequencer which produces random signals. The sequencer is connected to a sound synthesizer which transforms the sequencer's signals into random sounds. The synthesizer is in turn connected to a speaker which receiv... | 06/03/1997 |
| 5371359 | Water-proof optical switching device for controlling flash light emission An optical switching device comprises a light emitting device, a reflector for reflecting a light emitted by the light emitting device and having a plurality of set states, a reflected light distribution being changed by switching the set state, a pair of... | 12/06/1994 |
| 5303921 | Jammed shuffle detector The present invention provides a floating jammed shuffle detector for use in a card shuffling machine. The detector has a body with a card contacting portion and a sensor interactive portion. A detector housing and a photosensor are provided. The sensor i... | 04/19/1994 |
| 5177355 | Rotary control switch with plural movable concave light reflectors A switch (10) comprises a rotary part (12, 14, 16 and 18) and a bracket (24) for supporting the rotary part. The rotary part comprises a knob (12), a shaft (14), attached to, or formed on, the knob, a detent cam (16) attached to, or formed on, the shaft, ... | 01/05/1993 |
| 4990896 | Light responsive device for monitoring on-line indicator lights A photovoltaic device is provided that is adapted to monitor an "on-line" light source and respond to on/off changes of the source while at the same time being adapted for visual inspection of the light. The device is adapted for incorporation into a remo... | 02/05/1991 |
| 4945256 | Device for producing even closing of a circuit breaker A circuit breaker for opening and closing contacts disposed on each phase of a multiphase electric power line has a photo-diode array and a light emitting diode array disposed on opposite sides of a driving rod of a driving mechanism, with a light passing... | 07/31/1990 |
| 4901099 | Water supply system for developing apparatus A rinsing water supply system for supplying water to a rinsing unit of a developing apparatus in which photosensitive materials are processed and rinsed. The water supply system includes a pipe having a water supply passage through which water is introduc... | 02/13/1990 |
| 4901238 | Oximeter with monitor for detecting probe dislodgement An examination apparatus measures the oxygenation of body organs by using the near infrared transmission spectrophotometry. To assure the measurement reliability and the object person's safety, the examination apparatus monitors the variation of the fitti... | 02/13/1990 |
| 4831253 | Rotary type photoelectric switch A rotary type photoelectric switch comprises a rotary shaft rotated by an external force, a light interrupting plate coupled to the rotary shaft, a light-emitting element for emitting light, and a light-receiving element for receiving the light of the lig... | 05/16/1989 |
| 4727593 | Passive line-of-sight optical switching apparatus Line of sight optical communications apparatus comprising a plurality of optical beam reflectors arranged in a protected region for optical communication therebetween, at least one of the reflectors being arranged to reflect a signal received at the refle... | 02/23/1988 |
| 4493996 | Semiconductor switch device An electrical contact unit comprises a flexible semiconductor, e.g. silicon, filament carrying contacts and having a shorted pn junction. The filament is mounted in a magnetic field. When light is directed on to the junction, e.g. from an optical fiber, t... | 01/15/1985 |
| 4486867 | Transmit/receive solid state switching system A solid state transmit/receive switching circuit is provided by a system which, in accordance with the invention, comprises a solid state relay which, when energized, causes an optically controlled resistor connected to an input terminal of a preamplifier... | 12/04/1984 |
| 4336570 | Radiation switch for photoflash unit A photoflash unit having a plurality of flashlamps mounted on a printed circuit board containing circuitry for sequentially igniting the flashlamps in response to successive firing pulses applied thereto. The circuitry includes a plurality of solid-state ... | 06/22/1982 |
| 4330821 | Radiation switch for photoflash unit A photoflash unit having a plurality of flashlamps mounted in a planar array on a printed circuit board containing circuitry for sequentially igniting the flashlamps in response to successive firing pulses applied thereto. The circuitry includes a plurali... | 05/18/1982 |
| 4320440 | Connect switch A photoflash unit having a plurality of high voltage type flashlamps mounted in a planar array on a printed circuit board containing circuitry for sequentially igniting the flashlamps in response to successive high voltage firing pulses applied thereto. T... | 03/16/1982 |
| 4295475 | Probe and system for detecting probe dislodgement A contact probe arranged to detect dislodgement of the probe from a body to which it has been attached. Probe dislodgement is detected by sensing an increased radiation level falling on a main sensor (14) located in the contact surface (10a) of the probe.... | 10/20/1981 |
| 4294263 | System for detecting probe dislodgement A probe having a contact surface adapted to be placed on a body surface to monitor or control a body function. When the probe is dislodged from the body, an increased radiation level impinging on the contact surface is sensed and an indication of probe di... | 10/13/1981 |
| 4247847 | Vibration-detecting intrusion alarm An opaque box encloses a lamp, an integrated circuit light-change detector including a photo-diode and an amplifier, and an opto-mechanical means for modulating the light that is coupled from the lamp to the photodiode in response to a mechanical vibratio... | 01/27/1981 |
| 4044213 | Push-button sensor switch A push-button sensor switch for controlling and indicating the output of an integrally mounted sensor element is disclosed. The switch includes a frame having a contact stack mounted thereto and which is under the control of a reciprocating plunger extend... | 08/23/1977 |
| 3968355 | Automatic night light structure An automatic night light which will change its illumination in response to changes in the ambient light level. The circuit comprises an AC input with the lamp and a solid-state switch connected in series, a resistive voltage divider being connected across... | 07/06/1976 |
