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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 4207732 | Hand-indication type electronic timepiece A hand-indication type electronic timepiece is disclosed which has a vibrator such as a quartz crystal vibrator, an electronic circuit including an oscillator, a frequency divider, a driver, and a motor for operating hands, and other components, said elec... | 06/17/1980 |
| 4207731 | Electronic timepiece control circuit An electronic timepiece control circuit for facilitating the selection of a preferred function in a multi-functional electronic timekeeping circuit wherein each function can also be selected cyclicly in sequence, is provided. The timekeeping circuit is ad... | 06/17/1980 |
| 4205519 | Electronic time-piece with acoustic signal, for signalling a particular working mode Electronic timepiece delivering an acoustic signal to signalize to the user a particular state of working mode. The invention applies more particularly to timepieces with a digital display for indicating the time and the date, the same display being used ... | 06/03/1980 |
| 4173863 | Analog quartz timepiece An analog quartz timepiece having a manually operated external control member, and a correction signal generation circuit controlled by the external control member to generate low speed and high speed correction signals when the external control member is... | 11/13/1979 |
| 4150536 | Electronic timepiece An electronic timepiece includes a reversible stepping motor to drive rotatable hands to provide a time display. In a first preferred embodiment, the electronic timepiece includes a circuit means to generate alternating current pulses having an increased ... | 04/24/1979 |
| 4148180 | Electronic timepiece circuit for automatically displaying the day of the week An electronic timepiece circuit for automatically changing the day of the week by utilizing the timekeeping signals produced by the day counter, month counter and year counter is provided. Remainder circuitry is coupled to the respective day, minute and y... | 04/10/1979 |
| 4143509 | Electronic time-keeping system with electro-mechanically-driven analog display and electrical integral hour reset feature A time-keeping system of the type having an electromechanically driven, analog-type time display, has a purely electrical integral hour reset feature. The system comprises an analog time display including hour and minute hands driven through a mechanical ... | 03/13/1979 |
| 4138841 | Electronic timepiece An electronic timepiece comprising an oscillating circuit for producing a standard time signal, a dividing circuit for dividing the output signal of said oscillating circuit and a driving circuit. The output signal of said driving circuit is controlled by... | 02/13/1979 |
| 4137703 | Timer device A timer device wherein a timer cam disk to be moved from a non-operating position to an operating position at a preset time point in cooperation with a timer setting drum is so formed as to be returned to the non-operating position from the operating posi... | 02/06/1979 |
| 4135359 | Electronic timepiece with the amending means Switching functions of an electronic timepiece including switching for time amendment, are controlled by a stem which is rotatable and axially movable. When in neutral axial position, the stem is rotatable to display alternatively hours, minutes and secon... | 01/23/1979 |
| 4051666 | Electronic timepiece hand-adjustment mechanism A hand-return mechanism for an electronic timepiece wherein at least one hand is advanced to a predetermined position is provided. The timepiece includes a display hand mechanically coupled to a positionable gear, the rotational position of the gear deter... | 10/04/1977 |
| 4050234 | Electronic timepiece hand-return mechanism A hand-return mechanism for an electronic timepiece wherein at least one hand is returned to a predetermined position and the motor rotating same is correspondingly adjusted. The timepiece includes a display hand mechanically coupled to a positionable gea... | 09/27/1977 |
| 4024676 | Electronic timepiece An electronic timepiece wherein a quartz crystal oscillator produces a timekeeping standard signal which is divided by a transformer means formed of silicon gate complementary MOS transistor elements. The output of the transfer means is applied to a drive... | 05/24/1977 |
| 3987616 | Digital watch time setting system In digital watches including a timing circuit driven by a crystal controlled oscillator. The timing circuit provides drive signals for powering a digital time display. An updating and time setting circuit is provided to vary or adjust the time displayed b... | 10/26/1976 |
| 3987618 | Hand setting device for small switches A hand setting device for small watches with an axially movable hand setting stem which has a recess into which a setting lever engages, rotary positioned at a front frame, which serves for operating a rocking bar which is effected by a return spring, whi... | 10/26/1976 |
| 3972179 | Changeable display device Automatic indicia changer, such as a clock-calendar for displaying months, days of the month, days of the week, hours and minutes, comprises a plurality of series of plates bearing the various indicia, each series being rotatable about its axis under the ... | 08/03/1976 |
| 3972178 | Electrically powered timepiece An electrically powered time-piece includes at least a minute hand and an ur hand, a high precision time standard and a motor controlled by the time standard. A positive kinematic mechanism connects the motor to the minute hand arbor and a non-positive ki... | 08/03/1976 |
| 3955352 | Electronic watch with digital display having a correction mechanism for small errors An electronic watch comprising a precision resonator and oscillator connected to a frequency divider which produces impulses of 1 Hz. Connected to the frequency divider in sequence is a seconds counter, a minutes counter, an hour counter and po... | 05/11/1976 |
| 3953963 | Electronic digital display timepiece correction device An electronic digital display timepiece having a locking switch to prevent inadvertent correction of the timepiece, the locking switch being adapted to effect setting of at least one of the digits of time displayed. The electronic timepiece includes a qua... | 05/04/1976 |
| 3940921 | Friction detent to permit setting of digital clock In a rotating drum type of digital clock, the minute drum is fixed to the drum shaft. A drive disc is carried on the shaft, freely rotatable thereon, adjacent to the minute drum. Sandwiched between them is a detent ring which is keyed to the drive disc, b... | 03/02/1976 |
| 3930362 | Means for developing friction in clock setting shaft A clock "friction" for use in clocks having plastic gear wheels which permits manual setting of the hands but in which a reliable level of frictional torque is obtained without requiring use of any auxiliary parts. The centerwheel of the clock has an inte... | 01/06/1976 |
