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| Number | Title | Issue Date |
| 4583866 | Watch dial and method for preparation A watch dial is provided comprising a plastic or metal base plate. The base plate has thereon an uneven portion embodying a surface design, letter, window, symbol or mark. The uneven portion is formed by exposing photosensitive resin to ultraviolet light.... | 04/22/1986 |
| 4580883 | Progressive multifocal ophthalmic lenses Ophthalmic lenses wherein the curvature of the refractive surface changes along the principal meridian between the optical center of a far vision viewing zone and the optical center of a near vision viewing zone in accordance with a predetermined law is p... | 04/08/1986 |
| 4575777 | Magnetic recording and reproducing head A magnetic recording and reproducing head which operates in a perpendicular magnetization mode which records and reproduces information on a magnetic recording medium. The head includes first and second members spaced apart so as to define a gap therebetw... | 03/11/1986 |
| 4575743 | Double layer ROM integrated circuit A first ROM is comprised of a transistor matrix. The polycrystalline silicon forming the gates of the transistors of the first ROM and another polycrystalline silicon region are arranged in a matrix, and diodes are formed by PN junctions at the crossing p... | 03/11/1986 |
| 4574323 | Flexible magnetic disk drive A flexible magnetic disk drive includes interengaging members which necessitate a sequence of operations in use which assure proper disk positioning and avoid damage to the disk and magnetic head. The disk is clamped for rotation between a center pulley a... | 03/04/1986 |
| 4570115 | Voltage regulator for liquid crystal display The voltage regulator, entirely of monolithic integrated circuit construction, has an output voltage with a temperature gradient similar to that of the saturation and threshold voltages of liquid crystal elements. Constant current flows through temperatur... | 02/11/1986 |
| 4567806 | Sound generator The sound generator applies an envelope to the note signal. Current to the sound producing element is controlled by a series transistor whose base is driven with a signal having a frequency corresponding to the musical note. The driving voltage applied to... | 02/04/1986 |
| 4561739 | Trial spectacles A pair of trial spectacles for allowing a wearer to test the feeling and effect of a pair of spectacles and lenses before an actual pair is constructed. The trial spectacles include a frame member adapted to be supported on the face of a wearer having at ... | 12/31/1985 |
| 4560982 | Driving circuit for liquid crystal electro-optical device A liquid crystal display device having non-linear characteristics provides uniform quality in a matrix display. In driving rows and columns of picture elements the duty ratio is substantially increased by shortening the time in which the picture element i... | 12/24/1985 |
| 4560582 | Method of preparing a semiconductor device A semiconductor device including a MOS field effect transistor formed on a single silicon crystal substrate having source and drain diffused regions of reduced depth. In order to avoid penetration of aluminum from the aluminum connector through the diffus... | 12/24/1985 |
| 4556905 | Vertical synchronizing control circuit After an external vertical sync signal is inputted, a divider circuit counts a predetermined number of clock pulses and delivers a vertical sync signal and a control signal allowing the external signal to pass through a gate circuit. The external vertical... | 12/03/1985 |
| 4556891 | Printing apparatus and method A printing apparatus and method for printing on a record medium utilizing an electric thermo-transfer process. The apparatus includes an ink sheet having an ink layer with heat-fusable ink thereon facing the record medium, and a resistive layer. A print h... | 12/03/1985 |
| 4556605 | Photochromic coating composition and photochromic synthetic resin ophthalmic lens Photochromic coating compositions for synthetic resin ophthalmic lenses to impart photochromic properties to the lenses are provided. The photochromic coating composition includes an organic silicon compound to impart a surface hard coating and a photochr... | 12/03/1985 |
| 4551846 | FSK Demodulation circuit A FSK demodulation circuit using counter techniques to distinguish between two transmitted frequencies, provides a delay preceding the change points of the demodulated signal to reduce signal distortion. Presettable counters reduce the number of data bits... | 11/05/1985 |
| 4551029 | Electronic timepiece with a sound generator A sound generator including a note generating circuit for outputting a sequence of note signals corresponding to audible notes, an acoustic transducer receiving said note signals and outputting audible notes, memory means for storing data characterizing a... | 11/05/1985 |
| 4548511 | Electronic timepiece with voice memory An electronic timepiece with voice memory includes an auto start circuit which senses the presence of an input voice and automatically controls the start of recording. Voices inputted from the outside are coded and the coded data is stored in memory. An o... | 10/22/1985 |
| 4545686 | Electronic timepiece An electronic timepiece of the analog type including a timer is provided. A sound producing function is used for indicating the timer or alarm and this function is separated from the basic watch timekeeping circuitry. The sound producing function is easil... | 10/08/1985 |
| 4545279 | Electronic music note generator An electronic music note generator having a volume control circuit using an RC network to control sound amplitude. Signals are formed by the discharge characteristics of an RC network and the voltage level at charging determines the volume of the sound pr... | 10/08/1985 |
| 4542480 | Electronic memoranda device for storing, retrieving, and displaying a schedule of data in records An electronic memoranda device especially suitable for the retrieval of stored data with low energy consumption is provided. In the electronic memoranda device, days, times, and schedules, and the like, are stored in a data memory. At regular intervals a ... | 09/17/1985 |
| 4538291 | X-ray source An X-ray source for producing high intensity X-rays. The X-ray source includes a vessel filled with an inert gas. An energizing mechanism such as a magnetic coil causes the gas to enter a pinch, plasma state which produces high intensity X-rays. The vesse... | 08/27/1985 |
| 4537653 | Synthesis of beryl crystals A method for synthesizing beryl crystals from a raw material substantially that of natural beryl and at least one material of molybdates, vanadates and tungstates to form a flux is provided. The raw material and oxides are melted and a rotating beryl seed... | 08/27/1985 |
| 4537514 | Multi-function analog display stopwatch An electronic analog timepiece provides for elapsed and intermediate split time measurement with hands indicating fractions of a second, seconds and minutes. Hands do not move except by a user stop or split command. Then the hands rapidly move to position... | 08/27/1985 |
| 4537479 | Progressive multifocal ophthalmic lens Progressive multifocal ophthalmic lenses are provided having a far vision viewing zone, a near vision viewing zone and an intermediate vision viewing zone therebetween. A principal meridian curve extends vertically through the far, intermediate and near v... | 08/27/1985 |
| 4536233 | Columnar crystal permanent magnet and method of preparation A permanent magnet formed from a powdered alloy ingot of samarium (Sm) and cobalt (Co), copper (Cu), and iron (Fe) and at least one element selected from the group consisting of zirconium (Zr), titanium (Ti), hafnium (Hf), tantalum (Ta), niobium (Nb), and... | 08/20/1985 |
| 4534661 | Electric alarm wristwatch including cylindrical sound tube for transmitting sound An electronic alarm wristwatch including a wristwatch case with a time display and an alarm buzzer therein wherein the display overlaps at least a portion of the alarm buzzer is provided. The alarm buzzer is positioned in a sound member in registration wi... | 08/13/1985 |
| 4534623 | Horizontally-stacked metal-insulator-metal element for electro-optical device and method for manufacture The invention is directed to an electro-optical device. The device incorporates a liquid crystal display panel wherein each display cell utilizes a non-linear metal insulator metal element. The layers of the metal insulator metal element are formed in a h... | 08/13/1985 |
| 4533257 | Analog electric timepiece Circuits are provided for avoiding misdetection of a non-rotated condition after driving the timepiece stepping motor. Voltages induced in the rotor coil by external high frequency magnetic fields, and current produced in the coil by lower frequency AC ma... | 08/06/1985 |
| 4534012 | Portable programmable information device and external programming station A small-sized portable information system is provided including a small-sized portable information device and an external station. Both the external station and the portable information device are provided with a central processing unit, a memory device, ... | 08/06/1985 |
| 4526475 | Analog display electronic timepiece with multi-speed hand movement An electronic analog display timepiece provides multifunctions wherein the hand, or hands, is driven at different frequencies. To prevent erroneous performance of the step motor, an interval longer than the period of damped oscillation of the step motor i... | 07/02/1985 |
| 4525421 | Surface hard coat for a synthetic resin lens A surface hard coating composition for a synthetic resin lens including: (A) at least one organic silicon compound represented by the general formula ##STR1## wherein R1 is a hydrocarbon group having from one to six carbon atoms or an org... | 06/25/1985 |
| 4525033 | Liquid crystal compound and compositions containing same Liquid crystal compounds which are para-substituted phenyl esters of para-substituted cyclohexyl carboxylic acid, are effective in compositions for use in liquid crystal display devices, particularly for operation in the multiplexing mode. The cyanophenyl... | 06/25/1985 |
| 4523857 | Multi-function analog electronic timepiece The analog electronic timepiece has a plurality of functions, each driven independently by a dedicated step motor. A stem, pullable to three positions and a plurality of pushbuttons control operation. Each indicator hand may be set to zero independently b... | 06/18/1985 |
| 4523811 | Liquid crystal display matrix including a non-linear device An active matrix liquid crystal display device wherein individual display elements are controlled by non-linear devices and methods of fabricating the display devices are provided. The non-linear devices are metal-insulator-metal structures (MIM). Two MIM... | 06/18/1985 |
| 4522507 | Step motor control mechanism for electronic timepiece A step motor driving control mechanism for use in an electronic timepiece for reducing the current consumption thereof is provided. Load detection circuitry detects the load condition of the step motor and selectively produces a load condition signal repr... | 06/11/1985 |
| 4518226 | Ester-azoxy compounds Ester-azoxy compounds represented by the general formula: ##STR1## wherein R and R' are straight-chain alkyl groups having one to eight carbon atoms are provided. When added to a twisted nematic-type liquid crystal composition, the liquid crystal tem... | 05/21/1985 |
| 4517519 | FSK Demodulator employing a switched capacitor filter and period counters An FSK demodulation circuit especially suited for integrated construction is provided. The demodulating circuit uses N counters and a counter selector circuit for sequentially switching the counters at every zero-cross point in the received FSK signal. Se... | 05/14/1985 |
| 4502790 | Electronic timepiece Time sharing of a processor in a timepiece allows for performance without interference of a plurality of functions including timekeeping and supplemental functions. An electronic timepiece includes an oscillator for producing a time-standard high frequenc... | 03/05/1985 |
| 4498040 | Reference voltage circuit A voltage detection integrated circuit including a voltage regulation circuit for controlling the operation thereof is provided. The voltage detection integrated circuit includes a reference voltage circuit for producing a predetermined reference voltage,... | 02/05/1985 |
| 4496246 | Timepiece construction A precision, reliable, analog timepiece uses plastic frame elements reinforced with metal, and plastic wheel and pinions pivoting in holes formed in the plastic of the frame elements. The plastic frame elements are separated into portions corresponding to... | 01/29/1985 |
| 4496977 | Synchronizing circuit for matrix television set A synchronizing circuit especially suitable for a matrix television set using a flat display, such as comprised of liquid crystals, light emitting diodes or electro-luminescent elements in place of a cathode ray tube, is provided. Signals necessary for ho... | 01/29/1985 |
