Bizarre Patents
Microwave Oven With Removable Storage Cassette in Dashboard of Motor Vehicle
A microwave oven adapted for use within a motor vehicle dashboard area. The microwave oven has a removable storage cassette, and slidable platforms for securing and serving containers of beverages and foods.
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| Number | Title | Issue Date |
| 5130635 | Voltage regulator having bias current control circuit This invention relates to a bias current control circuit which drives a power MOS transistor. Since the power MOS transistor has a large capacitance which is formed between a gate and a channel, it is needed to provide a circuit which is able to sufficien... | 07/14/1992 |
| 5053850 | Bonding pad for semiconductor devices A bonding pad is described having a reduced surface area while maintaining adequate wire bonding surface. The bonding pad comprises: a test pad for contacting with a test probe; a plurality of radially extending conductive fingers; and an alignment key ge... | 10/01/1991 |
| 5019941 | Electronic assembly having enhanced heat dissipating capabilities Heat removal is accomplished by utilizing a first metal conductive pad to conduct the heat from an electrical component. The first pad is juxtaposed and thereby thermally coupled by convection to one or more ground pads having plated through holes to a gr... | 05/28/1991 |
| 4965473 | Eprom low voltage sense amplifier There is described a low voltage sense amplifier for an EPROM memory transistor which has a low voltage inverter coupled to the memory transistor. The inverter receives a selectable low reference voltage as its power supply and the same reference voltage ... | 10/23/1990 |
| 4933741 | Multifunction ground plane A multifunction ground plane for an electrical device such as an integrated circuit is provided by a plurality of conductors each having one end thereof adapted to be coupled to the electrical device with a ground plane adjacent and electrically isolated ... | 06/12/1990 |
| 4891094 | Method of optimizing photoresist contrast The contrast of a photoresist layer used in a lithographic process for a given light source is optimized by determining the nonlinear relationship of the photoresist contrast with regard to the thickness thereof and then placing over a substrate a thickne... | 01/02/1990 |
| 4449146 | Integrator circuit for separating vertical sync pulses An improved vertical sync separator for a TV receiver includes an integrator circuit that comprises a current mirror one current path coupled to a normally conducting semiconductor element to discharge a capacitor and another current path coupled to a sig... | 05/15/1984 |
| 4357629 | Sync separator with variable bias control A variable slicing level is provided for the sync pulse separator of a television (TV) receiver to enable proper sync signal separation from the video signal as the strength of the received signal changes. The automatic gain control (AGC) signal is used t... | 11/02/1982 |
| 4349839 | Vertical sync counter having multi modes of operation for different TV systems standards A TV receiver having a single vertical sync counter is combined with various gates and a latch circuit to provide two modes of operation. In the first mode of operation, the vertical counter counts up to a first predetermined number of pulses at which tim... | 09/14/1982 |
| 4314196 | Current limiting circuit The maximum current flow in a circuit is limited to a predetermined maximum value by dividing the load current into low and high current paths with the use of interconnected current mirror circuits. By limiting the current flow in the low current path by ... | 02/02/1982 |
| 4295063 | Fast settling digital to analog converter bit switch A bit switch for use in a digital-to-analog converter comprises three differential pairs of transistors. The first pair receives a digital input signal and a reference voltage signal. The second pair switches the bit current to either an output bus or to ... | 10/13/1981 |
| 4286176 | Comparator with hysteresis for interfacing with a ground-referenced A.C. sensor An interface circuit is disclosed for receiving a ground-referenced A.C. signal for detecting transitions of the A.C. signal about ground potential. An input transistor is enabled when the A.C. signal voltage falls below ground potential by one base-emitt... | 08/25/1981 |
| 4243898 | Semiconductor temperature sensor A temperature sensor circuit is disclosed which employs a plurality of semiconductor junctions arranged either in a current-mirror configuration or a bridge configuration in order to provide a differential output voltage which is linearly proportional to ... | 01/06/1981 |
| 4221473 | Image expander for rear-screen projectors A slide projector located within a rear-screen projector has means therein for projecting images, contained on slides, onto a self-contained projection screen. Two lenses having different focal lengths are mounted within the projector housing and may alte... | 09/09/1980 |
| 4217646 | Automatic control system for a building An automatic system for controlling the environmental conditions in a building divided into a plurality of zones includes a control station that sends control signals over the power lines of the building to control power consuming appliances in the variou... | 08/12/1980 |
| 4213704 | Method and apparatus for sensing the position of a writing laser beam A system for sensing the position of a laser writing beam is provided wherein at least two laser beams of unlike frequency are superimposed on the laser writing beam. The combined laser beams are simultaneously deflected in a common optical deflection sys... | 07/22/1980 |
| 4206985 | Filmstrip projector take-up A cylindrical shaped filmstrip take-up chamber is disclosed having an expandable inside cavity for receiving a varying quantity of coiled filmstrip. A cup-shaped film receiving cover closes the chamber and is both pivotally mounted near the midpoint there... | 06/10/1980 |
| 4205430 | Method of treating high energy magnets for improving their performance When it is not possible to place magnets into their final assembly before magnetizing them, the performance of high energy magnetic materials having a nonlinear demagnetization characteristic at room temperature is improved by heating the magnetic materia... | 06/03/1980 |
| 4200368 | Slide presence shutter lock A slide projector located within a rear-screen projector housing has a slide tray and slide positioning mechanism, which includes a shutter and slide clamp control portion, in cooperative relation with a gravity feed slide tray which is removably mounted ... | 04/29/1980 |
| 4198768 | Electronics assembly evaluator An electronics assembly evaluator for evaluating the skill and knowledge of a prospective electronics assembler. The evaluator provides the assembler with considerable amount of work to perform in the fabrication of a test circuit and a wire harness while... | 04/22/1980 |
| 4195656 | Orifice device with safety shut-off for pressure regulators A pressure regulator of the spring loaded diaphragm type having a chamber on one side of the diaphragm and provided with an inlet and an outlet separated by a transverse wall into which an orifice device is mounted for stopping the flow of gas through the... | 04/01/1980 |
| 4190076 | Damping valve for pressure regulator A damping valve for a pressure regulator wherein the valve is actuated by a valve diaphragm and coacts with an inlet orifice formed in the transverse wall separating the inlet from the outlet. An outlet chamber is formed on the outlet side of the wall. A ... | 02/26/1980 |
| 4190831 | Light pen detection system for CRT image display In addition to the binary code that controls the image, or portion thereof, that is to be graphically traced on the screen of a cathode ray tube, a refresh memory also provides an identification code indicative of the image, or portion thereof, within the... | 02/26/1980 |
| 4187790 | Stepper disk adder for pattern stitch sewing machines A stepper disk adder includes a plurality of adjacent disk like rotors that are threadedly coupled such that oscillation of at least some of the rotors in a predetermined manner provides a variable length reciprocating motion that is coupled to the stitch... | 02/12/1980 |
| 4165159 | Microprocessor controlled filmstrip projector A microprocessor is utilized to monitor and control the operation of an image projector and a magnetic tape cassette player. Inaudible cueing tones recorded on the tape allow the recorded narrative to be kept in synchronization with the image projected. A... | 08/21/1979 |
| 4164191 | Sewing machine motor actuated pneumatic pump for needle threading A pump actuating mechanism which allows a sewing machine motor to be used for operating a pneumatic pump. The mechanism utilizes two oppositely arranged, single direction, overrunning clutches, one connected to the sewing machine drive and the other conne... | 08/14/1979 |
| 4163396 | Digital readout pressure sensor A digital piezoresistive pressure transducer is provided wherein a pressure differential causes the resistance of two equal, diffused piezoresistances to change by equal but opposite amounts. The variable resistance of the two piezoresistance elements is ... | 08/07/1979 |
| 4163610 | Rear/remote-screen projector A rear/remote-screen projector includes means for alternatively projecting slide images on a remote screen or on a rear screen mounted on the projection housing. The opening of a door in the housing laterally shifts one of the mirrors in the housing witho... | 08/07/1979 |
| 4158715 | Laser recording film with opaque coating A real-time laser recording film having a plastic/dye coating on one side thereof provides improved image sharpness and visual qualities. The film fabrication is compatible with continuous production techniques to provide an economical, high quality film.... | 06/19/1979 |
| 4158201 | Flat electro optic display panel and method of using same A flat PLZT plate is utilized to form erasable images thereon which images may be projected or viewed directly. One embodiment includes electrically conductive islands on one side of the PLZT plate which are surrounded by and electrically isolated from an... | 06/12/1979 |
| 4157539 | Charge rate, capacitive switch system A plurality of capacitive switches, which are actuated by the touch of a user, are coupled to unique pairs of conductors. The conductors are sequentially actuated, or interrogated, and simultaneously coupled to a charge rate detector that compares the cap... | 06/05/1979 |
| 4157573 | Digital data encoding and reconstruction circuit A digital data encoding and reconstruction circuit is improved by substantially eliminating erroneous and unwanted data readings due to imperfections in the magnetic recording media, excessive shoulders, electronic noise and the like by the use of pulse w... | 06/05/1979 |
| 4146313 | Slot load movie projector mechanism An improved slot load motion picture projector is provided with a cam plate guide assembly connecting the projector control lever with the projector film gate. The cam plate has a cam path formed therein with a cam follower disposed within the cam path. L... | 03/27/1979 |
| 4129813 | Method and apparatus for adaptive control of a stepper motor A real time, adaptive control system for a stepper motor is achieved by measuring specific real time characteristics and calculating therefrom the number of steps that will be required to decelerate the stepper motor to a complete stop at a desired positi... | 12/12/1978 |
| 4125843 | Method and apparatus for recording and projecting images A single projector and a laser radiation deflecting means enable laser generated images to be projected onto a screen together with a laser pointer. A first laser beam polarized in a first plane and a second laser beam polarized in a second plane is proje... | 11/14/1978 |
| 4121263 | Method and apparatus for control signal separation to regain synchronization between a visual image projector and an audio program Method and apparatus for use with a magnetic tape playback machine to attenuate recorded audio signals relative to the super-imposed control signals while the magnetic tape is being transported past the sensing surface of a playback head. The control sign... | 10/17/1978 |
| 4115824 | Method for regaining synchronization between a visual image projector and an associated audio playback machine Method for use with a visual image projector and an associated magnetic tape playback machine where the magnetic tape has both cue tone and audio program signals recorded thereon. The method quickly regains synchronization between the selected visual imag... | 09/19/1978 |
| 4113368 | Automatic lower loop restorer mechanism A lower loop restorer for automatically resetting the lower loop of a motion picture projector when the loop is lost. A loop restoring roller, located in the film path, is provided at one end of a pivotable control arm assembly. When the lower loop is los... | 09/12/1978 |
| 4108090 | Programmable variable speed for sewing machine A programmable sewing machine adapted to learn and store, in Automatic Learn or Key Learn Modes of operation, a series of sewing machine operations for later automatic duplication, in an Automatic Sew Mode of operation, at the same sewing rate as the init... | 08/22/1978 |
| 4100865 | Programmable sewing machine operable in a plurality of modes A programmable sewing machine adapted to learn and store, in Automatic Learn or Key Learn Modes of operation, a series of sewing machine operations for later automatic duplication, in an Automatic Sew Mode of operation, at the same sewing rate as the init... | 07/18/1978 |
