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| Patent # | Description |
|---|---|
| US-4,833,376 |
Motor drive circuit A motor drive circuit fo driving a reversible motor selectively in a forward or reverse direction comprises a main switch for connecting electrically the motor... |
| US-4,833,375 |
Digital motor control system A digital motor control system includes a flip-flop latch for receiving motor circuit drive data from a microprocessor, a counter for counting to a predetermined... |
| US-4,833,374 |
Control circuit for brushless electric motor A control circuit for a brushless electric motor includes a pulse width modulator for applying drive signals to a gate drive circuit according to from a current... |
| US-4,833,373 |
System for shaking water off windshield A system for shaking water off a surface includes an electromagnetically operable driver unit for driving a member having the surface. The driver unit is... |
| US-4,833,372 |
Control circuit for electric motor A control circuit can drive an electric motor such as a stepping motor and a DC torque motor within a wide supply voltage range so that its rotor follows a... |
| US-4,833,371 |
Picture display device with symmetrical deflection A picture display device for displaying a picture by means of a line raster consisting of a plurality of lines which are successively scanned in the opposite... |
| US-4,833,370 |
Electron beam deflector Subcoils are provided on the core portion that serves as a deflection yoke, and a current for correcting convergence is supplied to the subcoils to correct... |
| US-4,833,369 |
Constant spark rate ignition exciter A constant spark rate ignition exciter is disclosed which functions to store a predetermined constant amount of energy in an energy storage element of an... |
| US-4,833,368 |
Outdoor lighting controller including wiper element for light sensor An outdoor lighting controller including a light sensing element for automatically activating and de-activating an outdoor light source. A wiper is provided for... |
| US-4,833,367 |
Magnetron with resonant choke structure for supressing unwanted harmonics A magnetron comprises an anode cylinder, vanes extending radially and inwardly from the anode cylinder, an output-side-sealing metal cylinder sealed to the end... |
| US-4,833,366 |
High performance hollow cathode lamp A high performance hollow cathode lamp comprises an common anode and an open-ended hollow cylinder as primary cathode consisting of a selected element adapted to... |
| US-4,833,365 |
Electron gun structure for converging electron beams An electron gun for a color picture tube consists of a triode that generates a plurality of electron beams and a main lens which focuses and converges the... |
| US-4,833,364 |
Electron gun for color picture tubes having uniquely formed lens
apertures An electron gun for a color picture tube has at least a cathode, a control grid, an accelerating grid, a focus grid and an anode, each of which has three... |
| US-4,833,363 |
Ignitron with arc-centering magnetic field An ignitron device is provided in which a permanent annular magnet at least partly surrounds the region between the ignitron anode and the surface of a mercury... |
| US-4,833,362 |
Encapsulated high brightness electron beam source and system An encapsulated high brightness source for use in or with an electron beam system such as an electron beam microscope. The source preferably includes a field... |
| US-4,833,361 |
Impregnated cathode having cathode base body and refractory metal
support welded together An impregnated cathode which has a portion where no electron emissive material is present on the surface layer of the cathode base body that is to be welded, in... |
| US-4,833,360 |
Sonar system using acoustically transparent continuous aperture
transducers for multiple beam beamformation An acoustic transducer array includes a number of transparent continuous aperture transducer elements which are aimed at various angular sectors in a field of... |
| US-4,833,359 |
Driving apparatus for ultrasonic motor In a driving apparatus for an ultrasonic motor, which motor has a stator comprising a pair of piezoelectric members for generating travelling mechanical... |
| US-4,833,358 |
Vibration wave motor A vibration wave motor for driving a movable member by a travelling vibration wave generated by applying a periodic signal to an electro-mechanical energy... |
| US-4,833,357 |
Rotor for miniature motors A rotor for miniature motors having an annular spark-quenching element for suppressing electrical sparks generated between commutator segments and brushes, in... |
| US-4,833,356 |
Compact connections for interdispersed armature winding An improved alternating current machine having interdispersed armature windings is disclosed. The AC machine comprises an armature core having a plurality of... |
| US-4,833,355 |
Motor with armature teeth and field magnet A motor includes an armature and a field magnet which surrounds the armature. The armature includes a plurality of teeth being arranged at equal pitch, and the... |
| US-4,833,354 |
Oil-filled submergible electric pump motor with unvarnished stator
structure An oil-filled, high temperature, submergible electric pump motor comprises an unvarnished stator structure having stator windings formed of conductors coated... |
| US-4,833,353 |
Method of optimizing armature balance through lamination orientation An electrical flux conducting rotor is formed with a stack of sheet metal blanks laminated together, with the blanks extending perpendicular to the axis of... |
| US-4,833,352 |
Linear inductive transducer A linear inductive transducer includes a cylindrical former about which is wound a winding. Surrounding the former is a magnetic sleeve having external flange... |
| US-4,833,351 |
Muliple axis actuator An improved two axis electromagnetically operated actuator is disclosed. |
| US-4,833,350 |
Bipolar-CMOS digital interface circuit A bipolar-CMOS (Bi-CMOS) digital interface circuit (50) of the present invention provides an interface between a bipolar digital circuit (52) and a CMOS digital... |
| US-4,833,349 |
Programmable logic and driver circuits An output driver circuit is described which can be programmed by the user into tri-state or open-collector configurations, depending on the needs of the user.... |
| US-4,833,348 |
Decoder unit with clamp transistor preventing excessive voltages For elimination of mis-decoding operation, there is disclosed a decoder unit comprising a logic gate having input nodes respectively supplied with data bits of... |
| US-4,833,347 |
Charge disturbance resistant logic circuits utilizing true and
complement input control circuits A cross-coupled load logic gate family which will keep voltage at a logic gate output below that of a switching threshold and a subsequent logic gate during a... |
| US-4,833,346 |
Switched threshold comparator for a fiber-optic receiver A fiber-optic receiver invention includes an improved edge detector which receives the input current pulse from a photo diode located at the output of an optical... |
| US-4,833,345 |
Sample/hold amplifier for integrated circuits A sample/hold amplifier comprising two transconductance stages with their inverting input terminals connected together. In sample mode, the input signal is... |
| US-4,833,344 |
Low voltage bias circuit A bias circuit (FIG. 5) of the type comprising a bias transistor (T1) having a pair of resistors (R1, R2) in its collector path, the junction of these two... |
| US-4,833,343 |
Clock generator having complementary transistors A generator circuit in an integrated semiconductor circuit for generating a clock voltage having a voltage being raised with respect to a supply potential of the... |
| US-4,833,342 |
Reference potential generating circuit A reference potential generating circuit according to this invention includes a first insulated gate field effect transistor of an enhancement type, a second... |
| US-4,833,341 |
Semiconductor device with power supply voltage converter circuit An integrated semiconductor device is disclosed which has a highly-integrated circuit formed on a substrate. A constant voltage generator is connected to the... |
| US-4,833,340 |
Phase shifter A phase shifter includes two phase shift circuits connected in parallel with each other between an input terminal for a signal of a voltage e.sub.i and ground... |
| US-4,833,339 |
Load control system A load control switching system includes a switching element adapted to be coupled between a power source and a load. The switch element is operable in an ON... |
| US-4,833,338 |
Ferroresonant regulator for inductively coupled power distribution system A ferroresonant regulator for use in an inductively coupled high frequency power distribution system. A constant current resonant power source, comprising a sine... |
| US-4,833,337 |
Inductive coupled power system An inductive coupled power system has a transmission circuit with a dual primary comprising two conductor loops. First segments of the loops extend through an... |
| US-4,833,336 |
Optical transmitting and receiving device for the contact-free reading
of marks An optical transmitting and receiving device for the contact-free reading of marks, particularly marks and bar codes. The device has a transmitter diode arranged... |
| US-4,833,335 |
Neutron shielded door for radiation therapy rooms A neutron shielded door has a hollow interior portion for containing a neutron retarding fluid. This neutron retarding fluid may consist of hydrogen rich... |
| US-4,833,334 |
Protective box for electronic circuits hardened with respect to X-rays Protective box for electronic circuits hardened with respect to X-rays. The protective box comprises a base and a cover fixed to the base, formed from a rigid... |
| US-4,833,333 |
Solid state laser Q-switch having radial color center distribution A passive laser Q-switch is fabricated from a crystal which can form saturable color centers, such as lithium fluoride. The arbitrarily long crystal is... |
| US-4,833,332 |
Scanning fluorescent detection system A system for detecting the radiant energy emitted from different closely spaced species includes two detectors each having a large entrance angle for receiving... |
| US-4,833,331 |
Method of holding an electrically insulating sample This invention relates to a method of holding an electrically insulating sample to be bombarded with a corpuscular beam. It is desired that the electrically... |
| US-4,833,330 |
Anticontaminator for transmission electron microscopes An improved electron microscope anticontaminator having a conduction rod enclosed within an independent vacuum system and micropositioning capability is... |
| US-4,833,329 |
System for generating and containerizing radioisotopes A system for eluting a daughter radioisotope from a parent radioisotope and containerizing the resultant eluate in an evacuated container having a rubber... |
| US-4,833,328 |
Forming contacts on diamonds The invention provides a method of preparing a detector which is sensitive to ionizing radiation or atomic emissions. The method includes the steps of forming at... |
| US-4,833,327 |
High-resolution radioisotopic imaging system A high-resolution radioisotopic imaging system employs spaced-apart non-contiguous thin and thick electronic collimation detectors arranged about a radioisotopic... |
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