Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7046031 | Method for monitoring at least two switching paths and a switching circuit for safely connecting/disconnecting a load A method for monitoring switching paths that can safely connect a load with a supply voltage and safely disconnect the load from the supply voltage, and a switching circuit using the method are described. The load can be connected via at least two switching paths wi... | 05/16/2006 |
| 6885925 | Haptic controller which performs control using a force pattern that is represented by prescribed functions each connecting particular points A force pattern is formed by particular points in which forces to be supplied to a knob are set for a plurality of particular positions that are set in a movement range of the knob and prescribed functions connect each adjoining pair of particular positions. A stori... | 04/26/2005 |
| 6316902 | Step motor drive control circuit A step motor drive control circuit, which is suitably employed in an image scanner, reduces the uneven rotation characteristics of a step motor and improves the scanning quality in the image scanner. The step motor drive control circuit generates a phase ... | 11/13/2001 |
| 5568592 | System and method for conserving power in an optical autochanger A system is disclosed for conserving power in a robotic arm device. The robotic arm device is responsive to a motion command and controlled by a servo loop having a motor, a motor driver, and a motor encoder. The system positions the robotic arm to a stow... | 10/22/1996 |
| 5235213 | Electrical control selector for controlling at least one actuator between a plurality of discrete positions A selector is typically arranged to control adjustment of a motor vehicle headlamp between a plurality of discrete, stable positions. It includes a control member arranged to occupy a number of discrete stable positions, a switching member operated by the... | 08/10/1993 |
| 4754209 | Motor actuator A plurality of mode switches are electrically connected in parallel to a motor. A conductor plate has a plurality of electric current passages each connected electrically to one of the switches. Each of the passages has a length corresponding to a rotatin... | 06/28/1988 |
| 4533860 | Apparatus for adjusting the inclination of automobile headlamp An automobile headlamp inclination controller comprises a reduction gear group coupled between a headlamp and a d.c. motor. The d.c. motor has two windings, one for rotating a rotor in one direction and the other for rotating the rotor in an opposite dire... | 08/06/1985 |
| 4442391 | Automatic control system for position following and reciprocating motion of a controlled object The present invention provides an automatic control system for position following and reciprocating motion of a controlled object. By using a specially designed controlling switch, and a pair of variable resistor for varying the position of the demanding ... | 04/10/1984 |
| 4358721 | Bridge positioning device A control for the motor of a mechanism which adjusts the position of the distal end of a passenger loading bridge, which control, when actuated, causes the motor to operate and the adjustment mechanism to move the end of the bridge to a preset position.... | 11/09/1982 |
| 4293806 | Single and multicycle control device for electric motors A cycle control device employing a parallel switching circuit to control a single or a predetermined number of cycles of a motor driven output shaft. A latching and a cycle switch in the parallel circuit are providing an overlapping switching sequence whi... | 10/06/1981 |
| 4284903 | Device for adjusting the inclination of motor vehicle headlamps A device for adjusting the inclination of vehicular headlamps includes an electric motor for positioning the headlamps, an adjusting switch for selecting one of a plurality of predetermined headlamp positions and a reversing switch connected to the adjust... | 08/18/1981 |
| 4263539 | Automatic antenna positioning apparatus Apparatus for rotating an antenna to a predetermined position and maintaining said position is disclosed. The system comprises an antenna position sensing signal source, a desired position signal source, both of which provide analog signals, position comp... | 04/21/1981 |
| 4250440 | Multiple-purpose closed-loop, automatic control system A multiple-purpose, closed-loop, automatic control system comprising: a system controlled; a detecting means for detecting a controlled variable output from the system controlled and converting the controlled variable into an electrical feedback signal; a sign... | 02/10/1981 |
| 4236104 | Position sensing rotary switch and system The switch of the invention is a double deck type rotary switch having a position deck for detecting a home position and means for determining each position of the switch relative to the home position. A switching deck, rotated together with the position ... | 11/25/1980 |
| 4197491 | Headlamp levelling system A headlamp levelling system for a road vehicle, comprises an electric motor which, in use, drives a member coupled to the headlamp so as to allow the headlamp to be adjusted in a manner to vary the direction of the light beam emitted, in use, by the headl... | 04/08/1980 |
| 4193019 | Direct digital control device A digital control device wherein both an input drive, which, in response to signal pulses, produces a specific increment rotation of an output drive, and a feedback drive, which is driven in proportion to the incremental rotation so produced, are connecte... | 03/11/1980 |
| 4159445 | Multiple purpose feedback control system Multiple purpose feedback control system comprising and characterized by a detecting means for detecting the controlled variable and converting the detected variable into a feedback signal output; a signal converting means for receiving the feedback signa... | 06/26/1979 |
| 4158161 | Apparatus for guiding a welder or the like along a predetermined path Sensing apparatus is disclosed which is particularly useful for guiding a welding torch along a seam or joint to be welded. The sensing apparatus comprises a sensor assembly for sensing variations in the welding path, a first drive mechanism for moving th... | 06/12/1979 |
| 4109191 | Rotator with remote indicator and self-synchronization An antenna rotator of the type including a first remote drive motor for rotating a remote shaft and a control unit including a second motor for driving an indicator-control member into alignment with a preselect member is described. Self-synchronization a... | 08/22/1978 |
| 4077000 | Directional antenna azimuth control system A system for selectively aiming a directional receiving antenna in one of a plurality of different directions respectively associated with a plurality of broadcast transmitters differently located in azimuth relative to the antenna in response to the entr... | 02/28/1978 |
| 4039918 | Control for rotatable storage unit A storage unit divided into a plurality of stations, is rotatable about a vertical axis to allow any given station to be turned to a position where the articles at that station can be retrieved. A control circuit is provided to allow an operator to select... | 08/02/1977 |
| 4025858 | Locating apparatus A locating apparatus comprising a search position-selecting device for selecting a desired search position; a starting unit; a selected search position-locating unit for finding a search position selected by the search position-selecting device and genera... | 05/24/1977 |
| 3973178 | Tape cartridge player mechanism A motor in a tape cartridge player is coupled by means of a worm gear to a cycling gear. Control of the motor, as to its starting and stopping sequences, is determined by the angular position of the cycling gear which functions to drive a transducer posit... | 08/03/1976 |
| 3938016 | Actuator position control A manually shiftable actuator-position input member and an actuator-operator feedback member cooperate as switch means for controlling the operation of an actuator including a rod connected to be reciprocably driven by a reversible electric motor. The inp... | 02/10/1976 |
