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Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| 7023200 | Non-contacting large angle rotary position sensor for rotating shaft A rotation sensor provides a control with an indication of shaft position. The sensor utilizes a magnetic connection between a cam follower and a transducer. The magnetic connection eliminates problems in the prior art such as degradation due to wear and corrosion. ... | 04/04/2006 |
| 5304754 | Cam follower A cam follower disposed on a limit switch utilized in elevator systems comprises a tire and a hub. The tire comprises a torus and a web, wherein the web includes a plurality of elongated slots that allow free movement of the tire within the hub. The hub c... | 04/19/1994 |
| 4607395 | Helmet radio control package A radio attachable to a cyclist's helmet comprises: (a) a receptacle having a generally annular side wall and a bottom wall, the receptacle attachable to a helmet surface with said bottom wall facing said surface, (b) radio circuitry within the receptacle, and... | 08/19/1986 |
| 4605304 | Angle-measuring instrument with a coarse-fine drive arrangement The invention is directed to an angle-measuring instrument such as a theodolite, tacheometer or the like having a coarse-fine drive arrangement for presetting a circle part of a graduated circle to a predetermined read-out value. In a preferred embodiment... | 08/12/1986 |
| 4237746 | Drive arrangement for setting mechanical apparatus, especially thermostats A mechanism for setting a thermostat having a housing wall forming a mounting opening. A rotatable setting shaft projects through the mounting opening and defines a circumferential groove concentric with respect to the shaft axis and a cam is fixed to the... | 12/09/1980 |
| 4200850 | Combination VHF and UHF tuner arrangement A combination VHF and UHF tuner is provided in which a common station selector shaft may be rotated a number of revolutions to cover the seventy stations in the UHF band. The common selector shaft is provided with twenty-four detent positions per revoluti... | 04/29/1980 |
| 4172390 | Lever for memory fine tuning arrangements for turret type television tuner In a pivotally mounted member of the memory fine tuning arrangement for a turret type television tuner, a pivotally moved lever plate provided integrally with a pivotal shaft having head portion, neck portion and body portion, is pivotally mounted on a fr... | 10/30/1979 |
| 4165499 | Channel-selecting, presettable, rotary type tuning device A channel-selecting, presettable, rotary type tuning device in which there is provided a tuning-position-determining unit having two or more tuning-position-determining elements, whose positions may be adjustable; a slide member operably coupled to a vari... | 08/21/1979 |
| 4155060 | Rotary preset tuner A rotary preset tuner comprising a plurality of adjustable memory slugs, a single tuning member capable of being rotated in any direction, a sliding member connected to variable condenser elements and arranged so as to enable reciprocating movement thereo... | 05/15/1979 |
| 4141254 | Pushbutton reselection tuner with pivoting lever A pushbutton preselection tuner in which pushbuttons cooperate in different locations with a pivotable lever coupled to a slide which in turn is coupled to the tuning means. Continuous tuning is provided by driving the slide itself. This tuner has a compa... | 02/27/1979 |
| 4126051 | Channel selector This invention relates to a channel selector suitable for use in a television receiver set. The channel selector comprises a channel selecting shaft which is linked to a variable capacitor shaft through an Oldham coupler. A fine tuning shaft also is linke... | 11/21/1978 |
| 4123781 | Television tuner with fine tuning means A television tuner including a fine tuning mechanism, said mechanism comprising a cam body provided to a sleeve rotatably disposed around the operating shaft, said cam body having a cam surface adapted to convert rotary motion to reciprocating motion, and... | 10/31/1978 |
| 4114459 | Detent UHF tuner with memory type independent fine tuning A detent type tuning mechanism for a UHF tuner having a continuously variable tuning shaft includes a detented selector shaft, and a fine tuning mechanism including a rotatable turret having mounted thereon a plurality of cams, each adjustable by a fine t... | 09/19/1978 |
| 4056796 | Detented UHF television tuner with independent inductive fine tuning A UHF television tuner utilizes a mechanical fine tuning mechanism that alters the operation frequency of the oscillator of the tuner independently of the position of the main tuning shaft. The mechanical fine tuning mechanism utilizes a tuning slug dispo... | 11/01/1977 |
| 3990315 | Detent UHF tuner with preset memory A detent type tuning mechanism for a UHF tuner having a continuously variable tuning shaft includes a detented selector shaft, a gear train interconnecting the tuner shaft and the selector shaft, and a memory type fine tuning mechanism including a rotatab... | 11/09/1976 |
| 3987680 | UHF tuner device A UHF Tuner device having a first rotating member rotating unitarily with a coarse tuning rotating shaft and adapted to be indexed and held in a position to which it has been thus rotated; a second rotating member rotated unitarily with a fine tuning rota... | 10/26/1976 |
| 3973229 | Combined 82-position UHF and VHF television tuner with memory fine tuning A combination UHF and VHF television tuner having a single detented selector shaft for individually selecting each one of the 82 UHF and VHF television channels and a single fine tuning shaft for providing memory fine tuning of channels in both the UHF an... | 08/03/1976 |
| 3946344 | Push-button tuning mechanism A push-button, press-to-lock tuner mechanism for an automobile radio receiver or the like has the conventional treadle bar replaced by an elongate, flat metal strip substantially rectilinearly movable along its longitudinal axis. Cams on push rods operate... | 03/23/1976 |
