"Everyone acquainted with the subject will recognize it as a conspicuous failure."
Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb
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| Number | Title | Issue Date |
| 7242988 | Adaptive pattern recognition based controller apparatus and method and human-factored interface therefore The need for a more-readily usable interface for programmable devices is widely recognized. The present invention relates to programmable sequencing devices, or, more particularly, the remote controls for consumer electronic devices. The present invention provides a... | 07/10/2007 |
| 7151865 | Optical waveguide device, optical and electrical elements combined device, method of driving the same, and electronic equipment using the same Disclosed is an optical waveguide device including an optical waveguide, and optical input and output ports for inputting and outputting an optical signal to and from the optical waveguide, characterized in that the optical input port receives an optical signal inpu... | 12/19/2006 |
| 7027360 | Electronic timepiece with a date display function An electronic timepiece with date display function reduces power consumption in conjunction with the user adjusting the date, and makes it easier for the user to set the date. A displayed date detection unit H has a day detector H1 for detecting the displayed... | 04/11/2006 |
| 6958953 | Real time clock circuit having an internal clock generator Under the present invention a real time clock circuit, within a set-top box, is provided with an internal clock generator for generating multiple clock signals. Once generated, a first clock signal is divided into an initial set of values representing time and optio... | 10/25/2005 |
| 6946813 | Step motor control device and electronic timepiece equipped with step motor control device A step motor control device detects a rotational driving state of a step motor. In a first detection period immediately after termination of the rotational driving state of the step motor, selected switch elements are controlled so that a first detection signal is o... | 09/20/2005 |
| 6278567 | Apparatus and method for recording a video signal on a recording medium A video signal recording apparatus for recording a video signal on a recording medium comprises a memory for temporarily memorizing the video signal, a synchronizing separating circuit for separating a synchronizing signal from the video signal, a write c... | 08/21/2001 |
| 6025690 | Method and device for controlling a stepping motor The method includes applying to the coil (3) of the motor (2) driving pulses having alternately a first and a second polarity, supplying the coil (3) with a determined quantity of electric energy during each driving pulse, detecting, after each driving pu... | 02/15/2000 |
| 5195063 | Electronic timepiece including integrated circuitry An integrated circuit for an electronic timepiece includes at least one semiconductor nonvolatile memory device. Reference data can be checked across a pair of output terminals prior to being stored in at least one EPROM to check the accuracy and acceptab... | 03/16/1993 |
| 4651147 | Device for setting a numeric display A device for setting a numeric display (11) comprises a continuously turnable potentiometer (12) by which the setting area can be repeatedly passed through by turning in the same direction. The potentiometer and the display are connected to a computer (10... | 03/17/1987 |
| 4549154 | Magnetically retentive programmable switching control device A switching control device having a plurality of displaceable fingers programmable for controlling a sequence of switching operations in a time-controlled system has a magnetic element for exerting a magnetically retentive force on displaced fingers to ho... | 10/22/1985 |
| 4518906 | Driving device of stepping motor A driving device of a stepping motor comprises a driver/detector circuit for detecting whether a rotor has rotated or not by comparing a voltage induced across a driving coil by the free oscillation of the rotor with a reference voltage after a driving pu... | 05/21/1985 |
| 4433401 | Electronic timepiece having a stepping motor and driving circuit compensated for power source variations An electronic timepiece comprising a power source, an electronic circuit, a stepping motor, and a detecting device for detecting a rotor movement after the stepping motor is driven. The electronic circuit includes a power source voltage detecting circuit ... | 02/21/1984 |
| 4430007 | Method of reducing the power consumption of the stepping motor of an electronic timepiece and an electronic timepiece employing the method The present invention comprises measuring, upon application of a drive pulse to the actuating coil 5 of the stepping motor, the variation in the magnetic induction flux in the stator of the motor, and interrupting the drive pulse when the variation in flu... | 02/07/1984 |
| 4400093 | Method for inspecting the running of a timepiece and timepiece adapted for such method In order to determine the adjustment precision ƊT of a timepiece provided with an oscillator (1) and an adjustable frequency divider chain (3-18; 18-20) on which an adjustment unit (15) acts, initially the real period TQ of the oscillator is measured wit... | 08/23/1983 |
| 4398832 | Multifunction timepiece The timepiece comprises a first motor (8) driving the seconds hand (s) independently from the other hands indicating the minutes and the hours which are driven by a second motor (4). A logic circuit (5) is capable of controlling the first motor (8) in res... | 08/16/1983 |
| 4312058 | Electronic watch In an electronic watch having a stepping motor, a battery voltage detecting circuit, a rotation detecting circuit for indicating rotation or non-rotation of the stepping motor and a motor driving power control circuit for applying a higher power drive pul... | 01/19/1982 |
| 4312059 | Electronic timepiece In an electronic timepiece, a motor is driven by a pulse having a shorter pulse width than the conventional driving pulse and afterwards, a detection pulse is applied to the motor coil so as to determine rotation of the rotor. If the rotor fails to rotate... | 01/19/1982 |
| 4300223 | System for making-up steps lost by the motor of a time-piece The present invention concerns a time-piece comprising a system for detecting the non-rotation of a stepping motor and for making-up lost steps. The detection system comprises a device for measuring the current delivered to the motor, the logic level of t... | 11/10/1981 |
| 4287597 | Satellite controlled clock A satellite disseminated time and date code is received and converted into local time signal and displayed. The ground stations scan a frequency spectrum for signals from geosynchronous satellites. Once found, the position and time information from the sa... | 09/01/1981 |
| 4281405 | Reduction of energy consumption of electronic timepiece Reduces the consumption of an electronic time piece equipped with a motor 4 driving a display unit 5. A quartz oscillator 1 feeds a supply circuit 3 through a frequency divider 2. The supply circuit 3 of the motor and its control circuit 9 periodically de... | 07/28/1981 |
| 4276628 | Electronic timepiece An electronic timepiece of the type of a so-called analog hand display is disclosed which displays the time by means of hands and is capable of changing the calendar display of a calendar mechanism within very short period of time by means of a reversible... | 06/30/1981 |
| 4272837 | Electronic timepiece with rotation detector An electronic timepiece including a dividing circuit for developing different output pulse signals having different respective pulse repetition rates, a stepping motor and a drive circuit responsive to control signals for driving the stepping motor at a n... | 06/09/1981 |
| 4270198 | Electronic timepiece An electronic timepiece having a frequency standard, a frequency converter, a control circuit responsive to a low frequency time unit signal to provide first and second output signals, and a driver circuit responsive to the first and second output signals... | 05/26/1981 |
| 4267587 | Electronic timepiece circuit An electronic timepiece circuit is provided with an oscillator for producing a reference signal and a frequency dividing circuit which frequency-divides the reference signal from the oscillator to produce a signal with given time intervals. Clock data sto... | 05/12/1981 |
| 4254491 | Pulse control for an electric clock Electric clock with an oscillator, particularly a quartz oscillator, a frequency divider connected to the quartz oscillator and a control stage connected following the frequency divider, via which control stage a stepping motor, which stepping motor is co... | 03/03/1981 |
| 4253175 | Time data processing circuit for electronic timepiece A time data processing circuit for an electronic timepiece comprises a common line; a signal generator for generating time data signal and first, second, third and fourth control signals; first and second shift register circuits; an arithmetic operation c... | 02/24/1981 |
| 4243329 | Watch movement construction A watch movement construction has a time dial and a base plate having its one surface fixedly supporting the time dial and including a central region and first and second marginal regions. A wheel train mechanism is disposed in the central region of said ... | 01/06/1981 |
| 4244043 | Frequency division system A system for performing frequency division of a high frequency signal by intermittent operation of a frequency dividing counter circuit and by a phase lock loop circuit, in which phase lock is periodically achieved with an output of the counter circuit. P... | 01/06/1981 |
| 4241434 | Stepping motor mechanism for an electronic watch An electronic timepiece includes a stepping motor having a coil and a rotor. Circuitry is provided for generating and applying alternating pulses to the motor coil to effect forward stepwise rotation of the motor rotor in a forward direction and for gener... | 12/23/1980 |
| 4241433 | Electronic watch In an electronic watch a non-operation detecting circuit detects the non-operative condition of the stepping motor of the watch and produces a non-operation signal each time the stepping motor fails to operate in response to the standard pulse which drive... | 12/23/1980 |
| 4241435 | Electronic timepiece oscillator circuit An electronic timepiece having a high frequency oscillator with a high level of frequency stability and an electronically controlled low frequency oscillator. The phase of a high frequency signal from the high frequency oscillator is compared with a signa... | 12/23/1980 |
| 4236241 | Electronic timepiece 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 ... | 11/25/1980 |
| 4236238 | Electronic digital timepiece having a stopwatch function and a timer function An electronic digital timepiece having standard timekeeping, stopwatch, and timer functions, and a weekdays display section composed of a plurality of display segments selectively activated to indicate the day of the week in the standard timekeeping displ... | 11/25/1980 |
| 4212156 | 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... | 07/15/1980 |
| 4211065 | Automatic system for setting digital watches A system for automatically time setting and message setting or programming of a cased digital watch or a watch module and including both an external setting unit and a serial interface control circuit inside the cased digital watch. The system in accordan... | 07/08/1980 |
| 4209975 | Time adjusting means for electronic timepiece Time adjusting means for electronic timepiece which detects change in the generation condition of pulses generated in response to a manual operation speed and generates a predetermined number of pulses in accordance with the detection output as the time-a... | 07/01/1980 |
| 4201041 | Digital electronic timepiece having a time correcting means A digital electronic timepiece comprises oscillator means for generating reference clock-pulse signals, a plurality of counter means of successive stages for successively counting the reference clock-pulse signals and respectively producing output signals... | 05/06/1980 |
| 4201038 | Alarm electronic watch An electronic alarm watch including an oscillator for developing a repetitive time standard signal, a dividing circuit for dividing the time standard signal to develop repetitive output signals, and a counting circuit receptive of one of the repetitive ou... | 05/06/1980 |
| 4192134 | Electronic timepiece correction device An electronic timepiece equipped with an oscillator for producing a time base, a freuqency divider and time display means drive in response to output signals supplied by the frequency divider, which timepiece includes correction system characterized in th... | 03/11/1980 |
| 4177454 | Digital display system A digital display system with a control unit and a plurality of display units each adapted to be driven by a signal from the control unit. The control unit includes an A.C. power supply for generating a fixed A.C. voltage, and the control unit produces a ... | 12/04/1979 |