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| Number | Title | Issue Date |
| 4794433 | Non-volatile semiconductor memory with non-uniform gate insulator A non-volatile semiconductor memory device has source and drain regions disposed in spaced apart relation adjacent the surface of a semiconductor substrate to define in the substrate a channel region having a first channel region portion in contract with ... | 12/27/1988 |
| 4771202 | Tuning fork resonator A piezoelectric coupled mode turning fork using the fundamental vibration of a flexural mode coupled with the fundamental mode of torsion. The fundamental frequency of the torsional mode is adjusted by masses near the side edges of the tine tips, and the ... | 09/13/1988 |
| 4715384 | Pulsimeter A pulsimeter having a detection electrode receptive of electrocardiac signals of a person and a pulse detection circuit, a switching element connected between an input terminal of the pulse detection circuit and a ground level, and a switch for controllin... | 12/29/1987 |
| 4707145 | Electronic timepiece An electronic timepiece has an oscillator for generating a high frequency time standard signal which is frequency-divided by a multi-stage divider circuit. A memory stores time adjustment information for use in adjusting the time in the event the oscillat... | 11/17/1987 |
| 4692881 | Device for discriminating attitude of parts Parts in a desired attitude are selected, by memorizing the standard shape signal of a certain part and comparing the shape signals of supplied parts on the parts feeder with the memorized shape signal. A plurality of light emitting elements provided on t... | 09/08/1987 |
| 4643530 | Reflective, thin film transistor addressed, matrix liquid crystal display A matrix liquid crystal display device comprising a reflecting plate and a polarizing plate coated on an insulating substrate, a thin film transistor arranged on the insulating substrate in matrix configuration, and a liquid crystal sandwiched between the... | 02/17/1987 |
| 4638704 | Press device having means to enable ram and bolster to be removed as a unit A press device comprises a securing member for detachably securing a plate to a body, and a coupling member detachably provided at a part of a driving transmitting portion. The plate, ram, struts and bolster are detachable from the body together.... | 01/27/1987 |
| 4639755 | Thermosensitive semiconductor device using Darlington circuit A thermosensitive semiconductor device has a semiconductor substrate of one conductivity type which is used as the common collector of at least two Darlington-connected transistors. The base of the first stage transistor is connected to the common collect... | 01/27/1987 |
| 4638247 | Integrated circuit for converting a drive signal of three or more voltage levels to two voltage levels An integrated circuit is operable to produce a first signal of at least three voltage levels at an output terminal thereof for driving a liquid crystal during a normal mode of operation and is operable to change the first signal to a second signal of two ... | 01/20/1987 |
| 4635089 | MIS-integrated semiconductor device The present invention aims to form a MOST, for example a MOS-SIT, whose impurity density in a channel region is lower than an ordinary MOST on a substrate or is formed in an epitaxial growth layer on a well.... | 01/06/1987 |
| 4633124 | Mount for quartz crystal resonator A mounting is provided for a GT-cut, coupled mode piezoelectric resonator. The mount includes pedestals with recesses. Portions of the resonator are mounted in the recesses.... | 12/30/1986 |
| 4618837 | Low-power consumption reference pulse generator A reference pulse generator comprises a quartz crystal oscillator, a frequency divider connected to the oscillator for frequency dividing the oscillator output, and a constant current generator connected in series both with the oscillator and the frequenc... | 10/21/1986 |
| 4566847 | Industrial robot A positioning apparatus for positioning an arm of an industrial robot comprises a frame member connected to the robot arm and being movably supported by a frame-supporting member. The frame-supporting member is movably mounted within an upstanding hollow ... | 01/28/1986 |
| 4553850 | Logical regulation circuit for an electronic timepiece A logic regulation circuit for regulating the frequency dividing ratio of a variable frequency divider of an electronic timepiece comprises a first switch group having a plurality of ON and OFF switching states representative of different frequency rates ... | 11/19/1985 |
| 4551031 | Electronic clinical thermometer An electronic clinical thermometer has a first oscillator producing a first temperature oscillating output signal, a second oscillator producing a second temperature oscillating output signal whose frequency is dependent on a measured temperature body tem... | 11/05/1985 |
| 4547340 | Automatic extractor An automatic extractor apparatus has a rotatable turn table on which are supported a plurality of angularly spaced-apart treating vessels. The treating vessels are mounted around the periphery of the turn table and are supported by pivot pins such that wh... | 10/15/1985 |
| 4540924 | System for positioning an object at a predetermined point for a digital servo device A digital servo device having a servomotor with a feedback control device including a position detector. The detector detects the phase relationship among the various signals. The detector is a flip flop located between an AND gate and a differentiation c... | 09/10/1985 |
| 4540992 | Thermal color transfer system A multicolored thermal transfer copying system needs an ink film having more than three colors successively. The accurate copying is performed by driving the plural platens via one metal roller, when plural thermal heads are used for transferring each col... | 09/10/1985 |
| 4538923 | Test circuit for watch LSI A test circuit for watch IC capable of setting an operating mode with the operations of a plurality of switches has a ROM for deciding next operating mode in response to the outputs of said switching circuit including the switches and the outputs of flipf... | 09/03/1985 |
| 4534049 | Fluorescent X-ray film thickness gauge A fluorescent X-ray film thickness gauge comprises an X-ray tube for irradiating X-rays along an X-ray axis to a sample having a film coating whose thickness is to be measured, a detector for detecting fluorescent X-rays emitted from the sample, viewing m... | 08/06/1985 |
| 4529274 | Electrochromic display device An electrochromic display device comprising an electrolyte held between a pair of substrates, at least one of which being transparent, a plurality of electrodes coated with electro-chemical coloration material formed on at least one substrate, at least a ... | 07/16/1985 |
| 4526477 | Piezoelectric buzzer for wrist watches A piezoelectric buzzer directly secured to a portion of a wrist watch casing and driven to vibrate the casing and produce an alarm sound. Associated circuitry alternately drives the piezoelectric buzzer at two different frequencies having a frequency rati... | 07/02/1985 |
| 4519397 | Pulse detector A pulse detector comprising an electrocardiac potential detector for detecting an electrocardiac signal induced to the skin of the person and a pulse counter for counting the pulse rate. The pulse detector comprises a pulse detection supervisory system fo... | 05/28/1985 |
| 4520301 | Controlling apparatus for positioning In a positioning control apparatus for use in a positioning device which operates in response to input pulses in accordance with the speed and the number of the pulses, a PI amplifier is connected in a control loop. The integral factor I of the PI amplifi... | 05/28/1985 |
| 4520087 | Divalent silver oxide cell including cadmium and tellunium A divalent silver oxide cell having a negative electrode, a positive electrode mixture mainly of AgO, a separator between the negative electrode and the positive electrode mixture of an electrolyte. The positive electrode mixture contains Cd and Te so as ... | 05/28/1985 |
| 4519930 | Electrochromic display device An electrochromic display device containing at least two electrodes and electrolyte in contact therewith is disclosed, wherein the electrolyte is an electrolytic solution which has been gelated by polymer.... | 05/28/1985 |
| 4520237 | Electrodynamic speaker In an electrodynamic speaker comprising a vibrating plate, a voice coil secured to the vibrating plate, a magnetic circuit portion having a soft magnetic member and a magnet and having a magnetic gap, a frame for supporting the peripheral portion of the v... | 05/28/1985 |
| 4516862 | Electronic timepiece having address designation circuits of ROM and RAM In an LSI for an electronic watch having a ROM and a RAM, the content of the RAM is rewritten by the interpretation and execution sequentially for time counting control and other controls. The address designation method of the ROM comprises a Program Coun... | 05/14/1985 |
| 4515057 | Musical sound wave generating circuit for electronic musical instrument An electronic musical instrument having a keyboard has a sound wave-shape generating circuit comprised of a pitch ROM connected to the keyboard. A first selector is connected to the keyboard, and a second selector is connected to the pitch ROM. A drum rhy... | 05/07/1985 |
| 4513650 | Electronic musical instrument In a keyboard instrument having white and black keys, the necessity for a player to depress black (sharp or flat) keys is eliminated by circuitry which memorizes which tones are to be automatically sharped or flatted when a corresponding white key is depr... | 04/30/1985 |
| 4513753 | Heartbeat rate indicator A heartbeat rate indicator has a detection electrode on the surface of the housing such as a wristwatch case and the element of a circuit-input portion in which the existence of a switch connected to the detection electrode prevents the element from destr... | 04/30/1985 |
| 4511259 | Bar code input electronic timepiece An electronic timepiece inputs bar code data, decodes the data and displays decoded information represented by the bar code data. An optical sensor scans bar codes printed on a paper and inputs corresponding electrical bar coded data signals to an amplifi... | 04/16/1985 |
| 4506273 | Multicolor thermal transfer recorder with color detection means A multicolor thermal transfer recorder which reduces waste of the ink film by using two or more color detecting devices spaced apart, to determine the position of the ink film in relation to the thermal head. The reduction in waste of the ink film is acco... | 03/19/1985 |
| 4505599 | Electronic clinical thermometer An electronic clinical thermometer comprises oscillating circuitry for producing two oscillating output signals having respective frequency-temperature coefficients which are widely different from each other. A frequency dividing circuit frequency divides... | 03/19/1985 |
| 4497235 | Electronic musical instrument An electronic musical instrument in which a plurality of musical waveforms are obtained by a time-sharing style of multi-channels according to key data input from a keyboard. A wave-shape memory memorizes a plurality of wave-shape data representative of b... | 02/05/1985 |
| 4497977 | Automatic coordinate determining device having electrostatic shielding An automatic coordinate determining device has a coordinate tablet comprised of a plurality of conductive lines, and a hand-held probe positionable relative to the tablet for inducing a signal in the conductive lines. A thin film of non-magnetic conductiv... | 02/05/1985 |
| 4472655 | Tuning fork flexural quartz resonator A tuning fork flexural quartz resonator is cut out from a Z plate rotated at 25°-165° around the X-axis as the rotary axis. The resonator with an excellent frequency sensitivity of about -100 ppm/°C. is obtained when the cut angle θ is 120°.... | 09/18/1984 |
| 4451348 | Functional electrode A functional electrode is disclosed which is usable as an electrochromic display electrode, as a catalytic electrode effective to catalyze the evolution of oxygen and chlorine gases and the like. The electrode is composed of a conductor and a film deposit... | 05/29/1984 |
| 4445784 | Electronic timepiece A driver circuit for a stepping motor having a coil, a stator and a rotor receives pulse signals from a pulse signal generator to rotationally drive the rotor. A rotation detection circuit comprises switching circuitry switchable between a high impedance ... | 05/01/1984 |
| 4417437 | Watchband formed of tubular metal rods and method of manufacturing same A watchband is comprised of a plurality of interconnected segments of generally helical shape. The segments are formed of tubular metal rods which may be composed of a noble metal alloy, a copper alloy or stainless steel. The use of tubular metal rods as ... | 11/29/1983 |
