| Patent Number |
Title Of Patent |
Date Issued |
| RE31402 |
Electronic timepiece |
October 4, 1983 |
| An electronic timepiece which includes a time .[.reference.]. .Iadd.base .Iaddend.signal generator, which generates a signal which is used to count time, and is compensated in its frequency in order to have the predetermined frequency value regardless of variations in ambient tempera |
| RE30588 |
Electric timepiece for displaying the operating condition thereof |
April 21, 1981 |
| In a battery operated electric timepiece operated by a battery of the type including a time display, such as a second hand, when the voltage of the battery decreases below a predetermined value, the movement of the second hand is modified to give an alarm that the life of the battery has |
| 7436737 |
Electric timepiece |
October 14, 2008 |
| An electric watch is characterized by including a transmitting circuit 6 for generating a plurality of transmitted signals, transmitting electrodes 1 and 2 for outputting the output signals generated by the transmitting circuit 6, a signal modulating member 3 composed of a rotor arra |
| 7084976 |
Concentration measuring instrument |
August 1, 2006 |
| To measure the concentration of an optically active substance in a solution without contacting the solution, the concentration measuring apparatus of the present invention includes: a light source for outputting linearly polarized light; a light intensity detecting element disposed o |
| 6999058 |
Power supply circuit for driving liquid crystal display device |
February 14, 2006 |
| A power supply circuit having a data driver power circuit, which has a temperature compensation function and a voltage regulation function, and a scan driver power circuit that has a function of controlling the brightness of the liquid crystal display device as a user desires. The da |
| 6894952 |
Timer of electric timepiece |
May 17, 2005 |
| A time keeping device of an electric timepiece comprising one motor that can rotate in the forward direction and the reverse direction, a branch mechanism, and a plurality of wheel trains that are branched by the branch mechanism, wherein the motor is rotated in the forward direction to |
| 6826209 |
Ultrabroad-band variable-wavelength wavelength-multiplexed pulse waveform shaping device |
November 30, 2004 |
| An ultra-broadband, variable and multiple wavelength, waveform shaping apparatus is disclosed that excels with the ability to yield light pulses shaped in waveform, variable and multiple in wavelength over an ultra-broad bandwidth, the pulses being as short as in the order of pico-se |
| 6583506 |
Semiconductor device |
June 24, 2003 |
| A bump of a semiconductor device is made up of an aluminum layer formed by sputtering. The height of the projecting terminal is sufficiently higher than those of the other parts, and the uppermost surface of the bump is covered with a conductive film preventing oxidation of films, such a |
| 6515645 |
Liquid crystal display apparatus |
February 4, 2003 |
| A liquid crystal display apparatus includes a scan substrate, a data substrate, an animation display area formed by liquid crystal provided between the scan substrate and the data substrate, and a picture-character display area. The animation display area is driven and displayed with |
| 6301198 |
Electronic timepiece |
October 9, 2001 |
| In an electronic timepiece, in which electric power generated by a solar cell (101) is accumulated in an accumulator device (104) and a time keeping means (105) is driven with the accumulated electric power, an electrically on-off controllable switch (102) is provided in a circuit for |
| 6023252 |
Liquid crystal display device |
February 8, 2000 |
| An LCD device comprising an LCD for changing the size of a displayed unit of pixels by electrically connecting a plurality of display electrodes in parallel with one another for time-sharing matrix driving liquid crystal pixels arranged as a matrix wherein image data is independently inp |
| 5815233 |
Optical device containing a liquid crystal element for changing optical characteristics of a len |
September 29, 1998 |
| A liquid crystal active lens having, in combination, a fixed-focal-point lens having a high index of refraction and a phase modulation element comprising two-dimensionally arranged fine pixels, and having power and being capable of electrically controlling the lens characteristics as a |
| 5654782 |
Liquid crystal optical modulator device with each electrode width smaller than both the liquid c |
August 5, 1997 |
| A precision liquid crystal spatial optical modulator device capable of being controlled by electric signals is realized using fine structure electrodes below a thickness of a liquid crystal layer, bringing adjacent electrodes close to one another, and driving them interconnectedly so as |
| 5101116 |
Multi-level voltage generator to drive LCD |
March 31, 1992 |
| A display drive circuit including a pulse generator means; a variable voltage source circuit including a first voltage source line (VD.sub.t) with a variable potential, a second voltage source line (VS.sub.t) with a potential different from the first voltage source line by a constant |
| 4843252 |
Selecting electrode drive circuit for a matrix liquid crystal display |
June 27, 1989 |
| A selecting electrode drive circuit is capable of providing drive pulses of twice as high having an amplitude twice as large as the breakdown voltage of semiconductor devices used in the circuit. The drive pulses thus provided are applied to selecting electrodes of a matrix type display |
| 4824213 |
Liquid crystal display having opaque portions on the electrodes |
April 25, 1989 |
| Disclosed is a matrix type liquid crystal display device comprising a column-and-line arrangement of pixels and a grating pattern which masks the spaces between adjacent pixels, thereby improving the contrast of the whole matrix display. |
| 4679043 |
Method of driving liquid crystal matrix display |
July 7, 1987 |
| A drive method for a liquid crystal matrix display panel whereby the display is driven as two or more separate regions, with each region being successively driven by row and column drive signals to display video data in a row-by-row manner during a drive phase while the remaining regions |
| 4663670 |
Television receiver having a liquid crystal display device |
May 5, 1987 |
| A television receiver having a liquid crystal display device includes a receiver having a electromagnetically shielded case and a receiving circuit provided in the shielded case and electrically connected to an antenna for producing audio signals and video signals. A liquid crystal d |
| 4630122 |
Television receiver with liquid crystal matrix display panel |
December 16, 1986 |
| A television receiver is equipped with a liquid crystal matrix display panel having the drive electrodes arranged such as to form a plurality of regions, with the regions each successively entering a drive phase of operation in which selection and bias drive signals are applied to the |
| 4602292 |
Driving system for matrix display device |
July 22, 1986 |
| In driving system for a matrix display device which comprises display elements arranged in matrix form, row electrodes and column electrodes for driving the display elements arranged in matrix form, row electrodes and column electrodes for driving the display elements, and driving means |
| 4581649 |
Image pickup system |
April 8, 1986 |
| An image pickup system has an image sensor including a plurality of photodetectors arranged in two dimensions and an optical system having a lens for forming an image on the image sensor so that the image sensor produces picture data. A vibrator is provided for vibrating the image on |
| 4465999 |
Matrix driving method for electro-optical display device |
August 14, 1984 |
| A method of cyclically driving an electro-optical display device having a matrix array of a plurality of row electrodes and a plurality of column electrodes, wherein said column electrodes intersect with said row electrodes to provide a plurality of display elements at intersections |
| 4453834 |
Electronic timepiece with temperature compensation |
June 12, 1984 |
| An electronic timepiece having a quartz crystal oscillator circuit as a timebase signal source is provided with a temperature compensation system to compensate timebase signal frequency deviations with temperature, all components of the system being incorporated in the timepiece IC chip. |
| 4441826 |
Electronic timepiece |
April 10, 1984 |
| An electronic timepiece having voltage regulation, temperature detection and battery voltage detection means provided on the same integrated circuit as is used for timekeeping circuitry, and having external terminals for stepwise weighted adjustment of timekeeping gain/loss. |
| 4441825 |
Low-power integrated circuit for an electronic timepiece |
April 10, 1984 |
| An electronic timepiece comprising a threshold voltage based constant voltage regulator circuit, which provides the regulated voltage to a first part of the timepiece system including an oscillator and a divider. The signal from the first part is transferred to a second part of the t |
| 4433920 |
Electronic timepiece having improved primary frequency divider response characteristics |
February 28, 1984 |
| In an electronic timepiece having a primary frequency divider circuit coupled to receive a standard frequency signal and comprising a group of P-channel FETs and a group of N-channel FETs, a bias circuit supplies a bias input to the P-channel FET group and a separate bias input to the |
| 4346350 |
FET Quartz oscillators |
August 24, 1982 |
| A quartz crystal oscillator for a timepiece including a complementary field effect transistor (FET) pair, wherein one field effect transistor is constant current-biased and the other field effect transistor is self-biased, with high impedance negative feed back loop circuit. The gate |
| 4337529 |
Pace timing device |
June 29, 1982 |
| A pace timing device for timing steps or other actions during physical exercise, providing audible tone bursts as timing information, and equipped with means for setting the repetition rate and rhythm of the tone bursts to suitable values. Audible and visible indications can be given of |
| 4302829 |
Electronic timepiece |
November 24, 1981 |
| An electronic timepiece includes a primary timepiece circuit unit including a frequency supply for providing a relatively high frequency signal, a frequency converter responsive to the relatively high frequency signal to provide a relatively low frequency time unit signal, timing signals |
| 4302828 |
Electronic timepiece |
November 24, 1981 |
| An electronic timepiece includes a frequency supply for providing a relatively high frequency time base signal, a circuit including a frequency converter responsive to the time base signal to provide a relatively low frequency time unit signal, and a time-keeping register responsive |
| 4300137 |
Matrix driving method for electro-optical display device |
November 10, 1981 |
| A matrix driving method for driving an electro-optical display device including digit and segment electrodes arranged in a matrix configuration, in which digit and segment drive signals are applied to digit and segment electrodes in such a manner that the digit drive signals applied to a |
| 4298971 |
Electronic timpiece |
November 3, 1981 |
| An electronic timepiece having voltage regulation, temperature detection and battery voltage detection means provided on the same integrated circuit as is used for timekeeping circuitry, and having external terminals for stepwise weighted adjustment of timekeeping gain/loss. |
| 4292680 |
Electronic timepiece |
September 29, 1981 |
| An electronic timepiece includes a frequency supply for providing a relatively high frequency time base signal, a frequency converter responsive to the time base signal to provide a relatively low frequency time unit signal, and timekeeping means responsive to the time unit signal to |
| 4270194 |
Electronic alarm timepiece |
May 26, 1981 |
| An electronic timepiece includes a frequency supply for providing a relatively high frequency time base signal, a frequency converter responsive to the time base signal to provide a relatively low frequency time unit signal, timing signals, and a plurality of word pulses indicative o |
| 4262351 |
Electronic timepiece |
April 14, 1981 |
| An electronic timepiece includes a frequency supply for providing a relatively high frequency time base signal, a frequency converter responsive to the time base signal to provide a relatively low frequency time unit signal, timing signals, and a plurality of word pulses indicative o |
| 4259715 |
Voltage conversion system for electronic timepiece |
March 31, 1981 |
| A voltage conversion system for an electronic timepiece having a power source as a lithium battery, which system generates power at lower voltage level than that of the power source for operating at least one of a frequency standard, a frequency converter, a time counter circuit and a |
| 4236241 |
Electronic timepiece |
November 25, 1980 |
| An electronic timepiece includes a frequency supply for providing a relatively high frequency time base signal, a frequency converter responsive to the relatively high frequency time base signal to provide a timing signal, a clock signal, and a time unit signal. A timekeeping circuit |
| 4234945 |
Electronic timepiece with hourly strike mechanism |
November 18, 1980 |
| An electronic timepiece having an acoustic hour information function in which a photosensitive switch mechanism essentially comprising a photosensitive element is provided to detect a quantity of light below a predetermined value in the surrounding environment where the timepiece is |
| 4232510 |
Timepiece |
November 11, 1980 |
| Timepiece comprising means for attaining the function of measuring the time, a time display means, at least part of which is mechanically formed, a means for changing the displayed content of the time display means in response to the operation of an external actuating member and a means |
| 4205518 |
Voltage conversion system for electronic timepiece |
June 3, 1980 |
| A voltage conversion system for an electronic timepiece having a power source, which system generates power at lower voltage level than that of the power source for operating at least one of a frequency standard, a frequency converter, a time counter circuit and a display system. The |
| 4199699 |
Motor and drive for a timepiece |
April 22, 1980 |
| An electronic timepiece including a battery, a drive motor, a drive, a display, and electronic circuits for driving said motor. The motor is a pulse motor and comprises a core, coil, yoke and rotor. The rotor includes a worm gear having worm teeth which engage with a gear wheel. The teet |
| 4173862 |
Booster circuit for electronic timepiece |
November 13, 1979 |
| A booster circuit for an electronic timepiece having a power supply and a display device adapted to be driven in a matrix driving mode, which comprises a Cockcroft circuit connected to one terminal of the power supply to provide a plurality of boosted output voltages to the display d |
| 4150535 |
Electronic timepiece |
April 24, 1979 |
| An electronic time piece system is comprised of storing means for storing keeping time data and including counter means responsive to timing signals supplied from a synthesizer, circuit means for setting keeping time data in the storing means, and display means for displaying the keeping |
| 4119867 |
Frequency division circuit |
October 10, 1978 |
| An odd number of inverting memory blocks are connected in series in a closed ring circuit. Each inverting elememt comprises a P channel field effect transistor and an N channel field effect transistor which are connected in parallel opposition. Control signals of the same phase are a |
| 4107915 |
Electronic timepiece |
August 22, 1978 |
| A set of digital indicators in an electronic display unit of a timepiece are actuated by driving pulses transmitted thereto through respective stages of a multistage frequency divider. A switching mchanism is manually operable to advance certain of these stages, independently of the driv |
| 4100540 |
Method of driving liquid crystal matrix display device to obtain maximum contrast and reduce pow |
July 11, 1978 |
| A method of driving a liquid crystal display matrix, in which digit drive signals are applied to digit electrodes and segment drive signals are applied to segment electrodes. Each of the digit drive signals has first pulse components of a first pulse width varying at a plurality of volta |
| 4099371 |
Electronic optical display alarm timepiece |
July 11, 1978 |
| An electronic timepiece including an optical display for both the time and the alarm time setting, an audible alarm, an alarm circuit, an optical display to indicate the state of operation of the alarm circuit, and a means for determining in advance whether the alarm circuit will be |
| 4094137 |
Voltage conversion system for electronic timepiece |
June 13, 1978 |
| A voltage conversion system for an electronic timepiece having a power source, which system generates power at lower voltage level than that of the power source for operating at least one of a frequency standard, a frequency converter, a time counter circuit and a display system. The |
| 4094135 |
Switch control unit for electronic timepiece |
June 13, 1978 |
| A switch control unit for an electronic timepiece comprises a plurality of control switches and a sequence decoding circuit which detects sequences of actuations of the control switches to provide a plurality of output signals in dependence on varying combinations of sequences of actuati |
| 4067187 |
Electronic timepiece |
January 10, 1978 |
| A set of digital indicators in an electronic display unit of a timepiece are actuated by driving pulses transmitted thereto through respective stages of a multistage frequency divider. A switching mechanism is manually operable to advance certain of these stages, independently of the |
