Abstract: A remotely controlled electrical power circuit (10) for supplying power to an electrical load (13) requiring electrical power from an electrical outlet comprising a receiver (14) for receiving a predetermined radio signal from a transmitter (12). The receiver (14) includes a super-generative detector (16) for receiving the predetermined radio signal. An amplifier filter (20) amplifies and filters the signal from the detector (16). A Schmitt trigger (34) detects the signal from the amplifier filter (20) and produces positive feedback to operate a latch (36), causing a detector (38) to produce a control signal in response to a first duration of the predetermined radio signal to operate relay (RY1) for closing contacts (24) and to produce a control signal in response to a second duration of the predetermined radio signal for opening the contacts (24).

Abstract: A remotely controlled electrical dimmer circuit (10) for supplying power to an electrical load (18) required power from a constant source comprises a radio signal receiver (14) for receiving a predetermined radio signal from a transmitter (12). The receiver (14) includes a super-generative detector (16) for receiving the predetermined radio signal. An amplifier filter (20) amplifies and filters the signal from the detector (16). A counter (50) triggers a triac (T1) to open and close the circuit (10) in response to a first duration of the predetermined radio signal. The counter (50) also decreases and increases the power supply to the electrical load (18) in a series of stepped levels in response to a second duration of the predetermined radio signal.

Abstract: A switch system for overhead electric extension cords for remotely controlling overhead-mounted electrical appliances, such as fans. A drop cord includes an upper end having electrical fittings connectable to an overhead power supply extension cord and the electric user cord, and the lower end of the drop cord includes a switch at an accessible level from the floor. The drop cord switch controls the circuit between the power supply and user cords, and a strain relief cable anchored overhead supports the weight of the switch.

Abstract: A remotely controlled assembly (10) for controlling the electrical power to an electrical load having an electrical circuit (14) for controlling the electrical power supply to the electrical load in response to a predetermined female threadable radio signal which is supported by a housing (16) which has a receptacle contact (38) for receiving the electrical load and a male threadable contact (42) for securing the housing (16) in an electrical receptacle for receiving power.

Abstract: A touch operated switch for control of electrical lighting, appliances, machinery and equipment which requires non sparking fail-safe operation. The switch utilizes digital complementary metal oxide semi-conductor technology which requires nearly insignificant standby power and incorporates a unique count down reset circuit which prevents extraneous operation from static discharge, radio frequency (RF) signals or power line transients. The switch will only respond to the electromagnetic flux generated by the power source that the controlled load is connected to. All other signals or pulses of differing frequencies are ignored by the switch thereby preventing inadvertent operation. Due to the limited number of discreet components utilized the total cost of manufacture will be extremely low and is expected to be less than the present manufacturing cost of the standard wall-type light switches that this invention will replace.

Abstract: An electromechanical switch can be remotely opened by the interruption of electrical power to the switch for a minimum period of time. The switch includes a power terminal, a first switch (off) terminal, and a second switch (on) terminal. A first spring contact is coupled to the power terminal and spring biased to the off switch terminal. A second spring contact is coupled to the on switch terminal and is configured to receive the first spring contact in yieldable engagement. A lever is coupled to the first spring contact for manually moving the first spring contact to engagement with the first spring terminal and with the second spring contact. A solenoid is actuated in response to the interruption of power from the switch and flexes the second spring contact for releasing the yieldable engagement of the first and second spring contacts.

Abstract: The circuit for controlling the stopping of equipment comprises a switch with two contacts and with a pushbutton able to bring about the switching of the contacts into an open position and a closed position. The circuit comprises a supplementary member which functions like the pushbutton and is controlled by a relay in series with one of the contacts of the switch, this relay being responsive to a remote control device.

Abstract: This invention is an electronic lamp control circuit for connection between a lamp bulb and a wall receptacle controlled by a wall switch. The lamp control circuit includes switching circuitry which permits complete control of the lamp from either the wall switch or a switch included in the lamp control circuit. The lamp control circuit permits a user to turn off the lamp by actuating the wall switch and to later turn on the lamp by actuating the lamp control switch and to turn off the lamp with the lamp control switch and later turn on the lamp using only the wall switch.

Abstract: An electrical control module to provide both remote and wall-operated switching for an electrical device such as a lamp. The control module includes a receptacle for the lamp plug, a remote on/off switch and a plug for insertion into the outlet connected to the wall on/off switch for the lamp. A power input is provided for the control module either from the wall outlet receptacle or from a separate receptacle. There are first and second relays within the control module which are effective to provide for independent on/off switching of the lamp by either the remote switch or the wall switch.

Abstract: A power switching device especially for use by handicapped persons for remote power switching by an operator of available appliances, comprising a touch sensor producing a first signal and a second signal with a successive touch, cycling control means including a clock oscillator responding to the first signal to cause identified display of the appliances in continuing sequence, and a circuit responding to the second signal to halt identifying the sequence at a selected display and to switch power to the appliance corresponding to the selected display either on if not already on or off if already on.

Abstract: The switching circuit couples an appliance (1) to a power main (LN) via remotely controllable switching means (2) and is operable to change the state of the switching means (2) in response to a manual double switching of the appliance power switch so that the appliance can be manually switched ON after it has been remotely switched OFF.A capacitor (CAP1) generates from the mains voltage an alternating current signal of a phase differing from that of the mains voltage by an amount dependent on the external impedance across the output. The switching circuit monitors this phase difference and changes the state of the switching means (2) if it detects two phase difference changes exceeding a predetermined value in opposite senses within a predetermined time period, this being indicative of a manual double switching of the appliance power switch.The switching circuit does not operate spuriously for thermostatically controlled appliances nor in response to noise spikes.

Abstract: A remote control switch device having a main switch connected between a power supply and a load circuit, a control circuit having auxiliary contacts interlocking with the main switch, a first diode connected in series with the auxiliary contact, a second diode connected in a direction opposite the first diode coupled across the series circuit, an electromagnetic coil connected in series with the second diode for opening or closing the main switch, an isolating transformer connected to the power supply, and an operation indicating circuit having a push-button switch connected to the secondary side of the transformer and remotely connected to the control circuit. The remote control switch device employs as the main switch a keep relay which is mechanically retained at the open or closed position and controlled by the electromagnetic coil through simple signal communication lines.

Abstract: Electrically powered apparatus is provided with a remote primary control station from which energization of the apparatus is usually controlled, and a secondary control station, such as a jog control station, which is remote from the primary control station and close to the apparatus, from which energization of the apparatus may also be controlled. A single manual push button start control module may be mounted at either station, so that when the module is at the secondary station there is no start button at the primary station. A holding circuit provides for extended energization of the apparatus when the push button is momentarily depressed at the primary station, and there is a stop button at the primary station; while the secondary station has no holding circuit. The holding circuit is disabled when the module is mounted at the secondary station, so the apparatus cannot be energized by mounting a second identical start control module at the primary station.

Abstract: An apparatus for actuating electrical load-separating switches in an electricity supply network, and including at least one manual actuation lever. An electrical actuating motor is provided which is capable of being supplied with operating current from an auto battery, and is located at the load-separating switch in addition to the manual actuation levers. A remote control cable, which extends from the electrical actuating motor, is equipped with a plug connector having a plug which can be taken along in the maintenance-service vehicle belonging with the auto battery. The load-separating switches are selectively capable of being actuated over the remote operating cable from a switching and indicating panel carried along in a maintenance-service vehicle. A follower for the manual actuation lever of the load-separating switch is connectible to a closed-loop drive chain, and when coupled thereto is movable between abutments.

Abstract: A circuit arrangement for testing operating functions in motor vehicles by means of parallel circuits which contain at least one switching element conductive during a normal operating function and one control lamp and which are adapted to be closed by a test switch, and with one transmitter each coordinated to the operating functions which automatically triggers a warning indication with abnormal operating functions; at least one warning lamp for the warning indication which is independent of the control lamps is thereby provided in the circuit arrangement.

Abstract: A silencer adapted to suppress the audio output of a radio or television set during commercial breaks in a program. The silencer which requires no wiring changes in the set includes a probe insertable in the existing earphone jack. The probe is constituted by a truncated tubular plug whose length falls short of the flexible switch arm of the jack that normally engages a contact arm to connect the audio signal line to the loudspeaker, the plug having a retractable plunger therein. When the plug is advanced by a local actuator, it engages the switch arm of the jack to flex it away from the contact arm to cut off loudspeaker sound, the sound being restored when the plunger is retracted. The local actuator of the plug is coupled to a remote actuator which when manually-activated acts selectively through the local actuator to advance or retract the plunger to cut off sound at the outset of a commercial break and to restore it at the conclusion thereof.

Abstract: A power control apparatus for applying or removing power to an electrical appliance that is remote with respect to the user. A power subunit which is connected to the appliance receives a signal from a remote control means to either apply or remove power to the appliance.

Abstract: A portable switch and dimmer control console for conveniently controlling a plurality of electrical devices and variably controlling the intensity of at least one fixture in a single conveniently designed self-contained portable unit.

Abstract: A circuit and circuit elements are disclosed to operate a lamp independently from either a two-position wall-mounted switch or a two-position lamp-mounted switch.

Abstract: A circuit is disclosed which is suitable for controlling lighting in a building from a multiple number of points. AC current to light bulbs is controlled by a triac which in turn is controlled by the output of an optical coupler which is controlled by the output of a logic device. The output of said logic device is connected to control the input to the triac. Switches connecting to the input of the logic device each can independently determine energization or deenergization of the light bulbs.

Abstract: First and second wafer switches are provided in a housing. Each of the switches has a control member outside the housing for manual operation and a plurality of electrical contacts inside the housing. Selected contacts of the first wafer switch are electrically connected to a cable for independent electrical connection to first and second stage cooling lines, a fan, a source of voltage and first and second stage heating lines. Selected contacts of the second wafer switch are electrically connected to a pair of test leads and are electrically connected to a cable for independent electrical connection to defrost checking circuits. Selected contacts of the first and second wafer switches are connected to each other. A user substitutes thermostatic operation by selective operation of the control members of the first and second wafer switches after connection of the leads and the leads of the cables to the corresponding lines and circuits.

Abstract: An electrical relay control circuit device which is connected to a controlling load such as a motion picture machine from a power source, and to controlled load such as the room lights, so that when the machine is in operation, the room lights cut off, and when the machine is cut off, then the room lights are turned on. The circuitry includes a transformer the primary of which carries the current to the controlling load, so that the secondary exhibits voltage when the controlling load is in operation, there being a relay switch for opening the circuit to the room light load, and Triac means for controlling the relay switch.