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| Number | Title | Issue Date |
| 4185263 | Wire-wound resistor A wire-wound resistor has an adhesive applied to the wire and the insulative substrate upon which the wire is wound at a predetermined location. The wire is then cut or otherwise broken at that location to open-circuit the resistor. The adhesive holds the... | 01/22/1980 |
| 4175239 | Detection means for touch control switches In a touch control system including one or more touch sensitive devices which capacitively transmit a relatively large electrical signal when not touched and transmit a relatively small electrical signal when touched an improved means for detecting the to... | 11/20/1979 |
| 4165641 | Liquid level sensing means An inductance element, such as a coil, cooperates with a detector/amplifier circuit to detect the level of a liquid in a container by quenching oscillations in an electrical circuit when the liquid is brought into close proximity to the inductance element... | 08/28/1979 |
| 4166206 | Metal strap electrically grounding a motor to a timer A metal strap is connected to a motor housing and to a metal mounting plate for a timer which carries the motor to electrically ground the motor to the timer.... | 08/28/1979 |
| 4164066 | Fabrication of anodes by plasma spray deposition A method of forming capacitor anodes is described wherein leads of film forming metal, preferably headed are subjected to plasma spray deposition of film forming metal, preferably at a flame temperature of about 10,000° to 20,000° C. to form capacitor a... | 08/14/1979 |
| 4158794 | Drive means and method for vacuum fluorescent display systems A vacuum fluorescent display system for displaying a plurality of illuminable characters includes a plurality of segmented anodes, at least one cathode filament, a plurality of control grids interposed between the anodes and the cathode filament and circu... | 06/19/1979 |
| 4156156 | Method for reducing the resonant frequency of a piezoelectric transducer The resonant frequency of a conventional piezoelectric transducer having predetermined dimensions and a fundamental nodal diameter is reduced while maintaining the overall predetermined diameter and fundamental nodal diameter of the transducer. A method o... | 05/22/1979 |
| 4152954 | Timing mechanism with coaxial drive system A coupling means coupling a motor to a series of teeth coupled to a cam means includes a no-back pawl mounted in and carried by a plate, a drive pawl slideably carried by the no-back pawl, aligned apertures in each of the pawls, and a gear means coupled t... | 05/08/1979 |
| 4153872 | Crest firing means Power is applied to an AC load at the crest of a voltage waveform by employing a light emitting diode. The crest firing circuit further includes a detector responsive to the diode's light emitting properties which fires a semiconductor switching device th... | 05/08/1979 |
| 4148220 | Linearization means and method for a thermistor temperature sensing system A thermistor temperature sensing system includes a conventional comparator having a constant reference threshold voltage and a linearized thermistor sensor which in combination detect a limited range of desirable temperatures. A means is also disclosed fo... | 04/10/1979 |
| 4146760 | Line switch assembly for a timing mechanism A cup shaped hub has an actuator rim at its open end and is rotatably carried on a shaft through an aperture in its closed end. The hub is axially fixed to the shaft such that when the shaft is axially displaced the actuator rim opens and closes a line sw... | 03/27/1979 |
| 4146916 | Radiation cured material disposed over an electrical device body to help maintain the configuration of the body and method An electrical device body including an electrode and a radiation semi-cured or cured polymer containing material. The electrode is formed into a configuration such as a convolutely wound electrical device body. The radiation semi-cured or cured polymer co... | 03/27/1979 |
| 4146866 | Variable resistance control An epoxy glass fabric strip is used to carry a carbon based resistive path.... | 03/27/1979 |
| 4145688 | Low cost buzzer A buzzer alarm has an electrically insulative housing fabricated of two molded pieces of electrically insulative material with a recessed vibratable diaphragm section constructed as a portion thereof. The buzzer alarm includes cooperating vibrating means ... | 03/20/1979 |
| 4142186 | Means for improving the electroacoustical properties of a buzzer The electroacoustical properties of an electromechanical vibrating device for producing an audible signal are improved by attenuating undesirable frequencies of the audible signal to produce a predominant frequency and by accentuating the predominant freq... | 02/27/1979 |
| 4137463 | Control system utilizing momentary switching devices A control system, for a machine and the like having at least one cycle made up of at least two events, utilizes momentary switching devices to actuate each cycle. The control system includes a control circuit having momentary switching devices, digital ci... | 01/30/1979 |
| 4134027 | Control system capable of accommodating a plurality of momentary switching devices A control system for a machine and the like having at least one cycle made up of at least two events utilizes at least one momentarily operable switching device to actuate the cycle and digital circuitry including a plurality of NAND and AND gates to impl... | 01/09/1979 |
| 4121334 | Application of field-assisted bonding to the mass production of silicon type pressure transducers A method for mass producing silicon type pressure transducers and transducers resultant therefrom are disclosed. In the method, the major components of a plurality of transducers are simultaneously joined together by a field-assisted bonding technique whi... | 10/24/1978 |
| 4122336 | Programmable light activated timing device A programmable timing device includes a plurality of rotatable discs, three of which are concentrically rotatable about a common axis, one of which is eccentrically rotatable about another axis, and three light sources. Opaque portions of the four discs p... | 10/24/1978 |
| 4121949 | Method of making a cathode electrode for an electrolytic capacitor A cathode electrode of copper-based material adapted for use in an electrical device is provided with a layer composed of at least one compound from the group of copper selenide, copper telluride and copper sulfide by the reaction between the copper-based... | 10/24/1978 |
| 4121433 | Means for sensing frost accumulation in a refrigeration mechanism In a refrigeration mechanism including a refrigerant, a means for pressurizing the refrigerant, a means for liquifying the refrigerant, a means for vaporizing the refrigerant, and a means for circulating air to be refrigerated, the improvement comprising ... | 10/24/1978 |
| 4113240 | Continuous open-ended sintering furnace system An open-ended continuous sintering furnace and system including means for providing a countercurrent protective gas atmosphere through a portion of the furnace and system and a substantially contaminant-free exit atmosphere throughout the remainder of the... | 09/12/1978 |
| 4104985 | Apparatus for applying material to a substrate A means and method are provided for applying material to a substrate. In the means and the method, material is dispensed onto belt means and the belt means brought in contact with the substrate so as to transfer at least some of the material onto the subs... | 08/08/1978 |
| 4104704 | Capacitor including an electroplated layer thereover A solid electrolyte film-forming capacitor is provided which includes an electroplated conductive layer over the capacitor. The electroplated layer provides greater resistance to mechanical shock and allows the welding of a cathode termination means to th... | 08/01/1978 |
| 4104628 | High output audible alarm device utilizing a piezoelectric transducer and voltage doubling means A piezoelectric transducer and a voltage doubling means are utilized in conjunction with a power supply means, a pulsator means, an amplifier means, and an acoustical loading means to produce an efficient high output audible alarm device. The voltage doub... | 08/01/1978 |
| 4103119 | Timing mechanism having independently operated plural cam assemblies Two separate cam means are fixedly and freely rotatably carried on a shaft. Each cam means are simultaneously rotated by a motor at different speeds through a gear train having two separate outputs. Cam lobes are carried on each cam means and engage switc... | 07/25/1978 |
| 4099218 | Method of making porous polymer containing separators for electrolytic electrical devices A method of making porous polymer containing separators adapted for use in electrolytic electrical devices, particularly electrolytic capacitors, the separator capable of absorbing and retaining electrolyte and devices utilizing the resultant separators. ... | 07/04/1978 |
| 4099167 | Capacitive means for measuring the level of a liquid Electrodes are disposed on portions of a container comprising dielectric material, an electrical signal is capacitively transmitted between said electrodes, said electrical signal is shunted by the presence of a liquid in close proximity to said electrode... | 07/04/1978 |
| 4096473 | High output smoke and heat detector alarm system utilizing a piezoelectric transducer and a voltage doubling means A high output smoke and heat detector alarm system comprises a high output audible alarm means which includes a piezoelectric transducer and a voltage doubling means in combination with an improved smoke and heat detector which includes a low voltage powe... | 06/20/1978 |
| 4093972 | Anode termination means for an electrical device component An electrical device comprising electrical component means and electrical termination means, the termination means including riser means in electrical contact with the electrical component means, elongated metal containing member joined to the riser means... | 06/06/1978 |
| 4081705 | Means limiting end play of a rotor of a synchronous motor An `O` ring carried on a shaft about which a permanent magnet rotor rotates limits an axial displacement of the rotor in at least one direction.... | 03/28/1978 |
| 4079636 | Cam setting means for a cam assembly A washer is adjustably connected to a driving member of a cam assembly and is coupled to a cam means of the cam assembly.... | 03/21/1978 |
| 4074417 | Method of sealing electrical housing An electrical device comprising an electrical body in a container with terminals extending through an open end of the container. The electrical body has receptacles at opposite ends thereof. A positioning means is located at an end of the container opposi... | 02/21/1978 |
| 4071773 | Patch cord timer A timer wherein the timing means of said timer includes an improved patch cord control which consists of the electrical coupling of at least two patch cords and two terminal means to individual power switching means and the grouping of timing resistors in... | 01/31/1978 |
| 4062007 | Solid-state delay timed switching circuit A solid-state delay timed switching circuit includes a delay timing means for delaying the start of an operational sequence. A function timing means is provided for timing the operational sequence, an alarm timing means for timing an audible alarm at the ... | 12/06/1977 |
| 4056744 | Noise dampening means for a permanent magnet synchronous motor Noise caused by axial rotor oscillation is reduced by reducing the rotor's oscillations. Such reduction of oscillation is provided by making one set of stator poles shorter than the other or by providing a magnetic attraction between the rotor and the mot... | 11/01/1977 |
| 4047061 | Coil protector for permanent magnet synchronous motor A permanent magnet synchronous motor includes a coil protector substantially covering a coil of wire and terminations on a bobbin. The coil protector electrically insulates the coil of wire from external structure of the motor and provides physical protec... | 09/06/1977 |
| 4038877 | Timing mechanism A pair of cooperating bevel gears cooperate to provide a coupling means between a constant speed drive means and a cam means. A motor is carried by a U-shaped frame which can be inserted into a timer housing, the U-shaped frame having means to align coupling m... | 08/02/1977 |
| 4039905 | Electrical device of the electrolytic type having means for confining mobile electrolyte and method of making same An electrical device of the electrolytic type comprising an electrically insulating radiation semi-cured or cured polymer containing material over an electrical body to confine mobile electrolyte contiguous to the body. Preferably, the electrical body inc... | 08/02/1977 |
| 4039904 | Intermediate precoat layer of resin material for stabilizing encapsulated electric devices An intermediate precoat layer is provided for encapsulated electrical devices such as solid electrolyte tantalum capacitors. The intermediate precoat layer contains a resin material selected from the group of acrylic, styrene, cellulose acetate, polyvinyl... | 08/02/1977 |
