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Actress Jamie Lee Curtis is a patented inventor - she created a diaper equipped with a premoistened baby wipe. And that's no act!
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| Number | Title | Issue Date |
| RE40053 | Delay circuit having delay time adjustable by current A delay circuit includes a delay part delaying a signal by a delay time which can be varied based on a control current, and a control current adjustment circuit adjusting the control current so that the delay time changes linearly based on a variation in a resistanc... | 02/12/2008 |
| 5666081 | On-delay circuit The present invention relates to a fail-safe on-delay circuit which uses an an electronic circuit. An input signal higher than a power source potential is input to a PUT oscillating circuit and a pulse signal generated with a predetermined time constant, ... | 09/09/1997 |
| 5479129 | Variable propagation delay digital signal inverter An electronically-controlled variable propagation delay digital signal inverter comprises a digital signal inverter having an input signal port and an output signal port, and an electronically-controlled negative resistance (ECNR). The ECNR is coupled to ... | 12/26/1995 |
| 5079457 | Dual solid state relay A dual solid state relay comprised of an input circuit, an optical coupler, a reference voltage circuit, a switch circuit, an SCR saturation circuit, a full wave bridge rectifier, a TRIAC driver circuit, an SCR driver circuit, a TRIAC slave circuit, an SC... | 01/07/1992 |
| 4924122 | Low leakage, A.C. proximity-switch circuit A proximity-switch circuit operates a main switch TH1 to pass an ac supply through an external load when a metallic object is near a coil L1 that is part of an oscillator circuit. The oscillator circuit is connected to a level detector circuit controlling... | 05/08/1990 |
| 4562366 | In-line solid state time delay device A two-terminal in-line time delay device incorporating upon the initiation of in-put power into the device a pulsing component which, after a selected time delay, provides a gating pulse for a line-to-load series connected SCR. As the SCR is switched on, ... | 12/31/1985 |
| 4523103 | Electronic time switch An electronic time switch for the time-limited actuation of appliances which are supplied with alternating current, whose load component is actuated by an electronic control element, and which includes terminals which supply the load component as well as ... | 06/11/1985 |
| 4521705 | Reliable field-effect transistor timer circuit A positive voltage supply is connected to a circuit having a single capacitor and depletion-type field-effect transistor to create a reliable timer. The capacitor is initially charged upon the opening of a control switch without creating a timed output ac... | 06/04/1985 |
| 4520281 | Wide pulse range periodic reverse unit An electrical control circuit particularly adapted for providing high current pulses in a wide frequency pulse range. The circuit is comprised of a timing and control circuit, a high power switching circuit, and an interfacing isolating circuit. The timin... | 05/28/1985 |
| 4492880 | Driver circuit A driver circuit which is responsive to an input AC voltage for providing a drive signal to a load circuit for each activation of a switch. A triggering signal generated by a trigger circuit in response to the activation of the switch energizes a timing c... | 01/08/1985 |
| 4445490 | Ignition system for an internal combustion engine This invention provides a circuit for automatically advancing the timing of an ignition system independent of engine speed. The invention is characterized by timing circuit (100) which initiates a timing change in reponse to a computer output signal (60) ... | 05/01/1984 |
| 4382192 | Self-quenching circuit A switch, when closed, provides a low impedance conduction path for power being applied to a load and for the operating potential for a control circuit. The control circuit includes timing circuitry which produces a timing signal, a given time after the s... | 05/03/1983 |
| 4359655 | Timer circuit A timer circuit for connecting a DC voltage source to an electric device, such as a small portable radio, comprises a switching device, such as a switching transistor, connected between the source and the device and having conductive and non-conductive st... | 11/16/1982 |
| 4267467 | Timer circuit The maximum voltage stored in a timer storage capacitor during charging is limited to a fixed level independent of battery voltage by the junction drops of a plurality of forward biased solid state devices. The discharge time of the timer storage capacito... | 05/12/1981 |
| 4221978 | Electronic time switch An electronic time switch for an A.C. power system and employing a Triac as the switching element is disclosed. The time switch in its normal or OFF state provides a very small amount of current to the load so as to preheat the filament without the filame... | 09/09/1980 |
| 4185205 | Remote load controller A remote load controlling apparatus receives a disconnect signal on a line that is filtered and voltage limited. This disconnect signal sets a flip-flop which enables an oscillator and a solid-state switch. The enabled switch energizes a relay to disconne... | 01/22/1980 |
| 4152608 | Momentary contact light switch The specification discloses a circuit which responds to a momentary contact closure to effect a gradual change from the "off" state to the "on" state, or a delayed change from the "on" state to the "off" state. In one embodiment, two interactive circuits ... | 05/01/1979 |
| 4144552 | Sequential timing circuitry Improved sequential timing circuitry includes a relay coil, normally closed of form C relay contacts and a relay latching element, e.g., a resistor limiting relay coil current to a value intermediate pull-in and holding limit, serially connected to a high... | 03/13/1979 |
| 4041865 | Method and apparatus for detonating explosives A detonating device principally intended for detonating an explosive charge in a well or borehole, and of the type which is actuated by pulling upwardly on a non-electrical line also used to lower the device into position. The device includes self-contain... | 08/16/1977 |
| 4010389 | Solid state time delay and holding circuit Circuitry operating as a time delay/holding relay whereby a connection is established between a pair of output terminals whenever power is applied between input terminals and for a timed period after the receipt of a predetermined signal. A first integrat... | 03/01/1977 |
| 4001610 | Time delay circuit An electric timing circuit for the time delayed delivery of a voltage pulse to an electric fuze element or other current or voltage sensitive element uses a capacitor voltage source which can be charged from an external source of electric potential. The c... | 01/04/1977 |
| 3987316 | Universal digital time delay relay having a multistate indicator and digitally controlled contacts Solid-state digital time delay relay having a pair of complementary contacts one of which breaks or opens before the other of which makes or closes. The switching or transfer function utilizes logic elements for each set of contacts. A multistate indicato... | 10/19/1976 |
