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Patent Searching and Data


Matches 551 - 600 out of 2,102

Document Document Title
JPH11160373A
To attain a highly accurate phase measurement after making resolution of A/D conversion uniform and reducing the resolution. A to-be-measured sine wave signal is divided into two by a signal divider 10, and the phase of the second sine w...  
JPH11163696A
To know the frequency difference regardless of two clock phases by performing the comparison of frequency regardless of the relation between two clock phases and setting the output time of two detection signals in response to the frequen...  
JP2940662B2
To measure the periodically changing alternating current waveform with high accuracy even when it is disturved. In a phase-shift detecting method, a standard time interval given by integer times the period is determined, (1) the time fro...  
JP2906176B2  
JP2904396B2  
JP2938360B2
PURPOSE: To easily and accurately detect the phase difference between light signal and electrical signal by directly calculating the product of a voltage signal and a light signal by a photoconductive type light receiver and detecting th...  
JP2900772B2  
JP2897795B2  
JP2896574B2  
JPH11142448A
To provide a phase difference detection circuit that is capable of detecting the characteristics of the phase difference between the windings of a velocity generator and of determining whether they meet criteria or not automatically. The...  
JP2895874B2  
JP2929888B2
PURPOSE: To make a delay time uniform due to a signal line and obtain uniform time resolution by setting signal line load capacitance to which plural delay elements are connected equivalent. CONSTITUTION: The NOT AND circuit NAND which i...  
JP2928485B2
To provide a phase comparator small in the blind sector of a phase difference, excellent in input/output characteristics and capable of being operated stably at a low power supply voltage. The phase difference of a reference clock signal...  
JPH11127075A
To realize a digital phase difference detection circuit where a data read timing is not restricted even when a phase difference of two waves is close to 360° in the digital phase difference detection circuit that detects a phase differe...  
JP2890152B2  
JPH11108974A
To improve detection accuracy for a voltage phase by setting a voltage-detecting part thereby detecting a received voltage and setting a processing part thereby correcting a phase of the voltage. One ends of power-receiving bus lines 41,...  
JPH11504425A
(57) the appeal machine (10) used with a summary passivity transponder (12), The Colpitts oscillator (30, 32, 34, 36, 38) constituted so that frequency might be changed according to the frequency of the signal from this transponder, It h...  
JPH1189217A
To constitute a synchronization controller which is not affected by the distortion and unbalance of AC signals of software using a microprocessor, etc. Three-phase AC signals are synchronized to the output of a frequency divider by means...  
JP2870874B2  
JP11074734A
To provide the phase detector by which an output signal whose spurious signal level is reduced is generated. The phase detector generates a phase difference signal in response to a phase difference of two applied input signals. The detec...  
JPH1172517A
To enable directly observing and measuring of the timing relationship between two signals. The detector is equipped with a first comparator 5 to compare a first input signal 1 with a control voltage of a first control voltage generation ...  
JP2868266B2  
JPH1168118A
To provide a method for producing a semiconductor sensor by which offset voltage is allowed approach around zero, without being affected by the variance in the wire widths of a gauge mask to be patterned. A semiconductor pressure sensor ...  
JPH1164407A
To make a decision whether a measured AC signal is synchronized or not accurately by convering the output signal from a limiter circuit into a DC signal having a voltage level proportional to the phase difference between first and second...  
JPH1162417A
To enable a door used for a dwelling house to be firmly assembled to the house, the door dimensions to be correctable and to be provided with good assembling property. A door assembly structure integrally built by connecting a vertical s...  
JPH1152373A
To provide a liquid crystal display device which ameliorates the nonuniformity of display image quality by the temp. difference within a display screen. A cold cathode ray tube is used for a bar-shaped lamp 7 and a PMMA resin molded to a...  
JP11046188A
To provide the synchronization processing system for a measurement signal where a load of a microprocessor of a processing unit processing the measurement signal is relieved and the operating efficiency of the microprocessor is improved....  
JPH1127248A
To improve detection of phase difference between a digital data signal and a clock signal by providing an index of the phase difference between the clock signal and data signal by comparing a phase signal with the reference signal. A pha...  
JPH10336883A
To accurately judge out-of-step without setting a zone and using a special transmission means. Voltge and current are measured at the terminal of a transmission line 3 for closely connecting generator groups 11 and 12, at the same time, ...  
JPH10336024A
To obtain a phase difference detector suited to the measurement of the jitter quantity of a PLL circuit because of being capable of judging whether the phase difference between first and second signals is within a prescribed time by prov...  
JP2837172B2  
JPH10322911A
To improve the power factor of a transmission and distribution circuit by conducing voltage adjustment for making the voltage of a transformer for current measurement equal to the output of a transformer for voltage measurement, and comb...  
JPH10311851A
To keep a satisfactory display frequency accuracy when a wide band span is set in the same manner as in the set of a narrow band by receiving a frequency obtained by multiplying the oscillated frequency of a variable frequency oscillator...  
JPH10313247A
To obtain stable output even against an external factor such as noise and temperature variation by constituting the phase comparator by using a tri-state buffer and inputting a logical signal to the phase comparator. The tri-state buffer...  
JPH10300801A
To make a phase detecting filter circuit, smaller, lighter and at a lower cost as well as more reliable and more easily adjustable. This filter circuit comprises resistors, capacitors and reactors, an AC power voltage being added to a ci...  
JPH10511515A
(57) Summary handheld computer vector network アナラザ (VNA) (300) uses the narrow-band test signal synthesizer (700) which gives a test signal through a divider (710) and a harmonic generator (802), and gives broadband test signal F...  
JPH10295073A
To cope with sudden changes in the phase of an input signal, to deal with sudden changes in its amplitude and to deal with changes in frequency in a single-phase PLL circuit by a method, wherein a frequency initial value is corrected by ...  
JP2819127B2  
JPH10289223A
To obtain a specific number of arithmetic results from a final arithmetic stage by equipping each arithmetic stage with a delay element and pipelining them, and then performing butterfly operation by each arithmetic stage each time one s...  
JPH10282162A
To detect the phase of a power fundamental wave in real time for following. A programmable timer 19 generates a trigger with a timing where one wavelength section of the current or a voltage of a power fundamental wave is divided into N ...  
JP2810288B2  
JPH10260208A
To precisely measure a phase fluctuation amount even if a frequency difference between an input signal and a reference signal is large by constituting a frequency conversion circuit by a PLL circuit limited on a prescribed frequency band...  
JPH10239397A
To provide an IC testing device capable of automatically detecting a phase difference when the phase difference is generated between signals and of automatically canceling the phase difference. A signal selecting circuit 30 selects two t...  
JPH10234135A
To continue the operation of a power converter by detecting the phase of system voltage which is accurate and positive and controlling it stably, even if abnormality is generated in an AC system. A reference phase θFi, obtained by integ...  
JPH10229642A
To provide the controller of a switching relay which supplies load with power. A switching relay 3 selectively couples an active branch 1 of a utility power source with a load 4, and the load 4 is coupled with a relay line 5 of the utili...  
JPH10224333A
To provide a delay difference adjustment circuit in which a difference from delays through a plurality of signal lines is corrected without relying on manual operation. A device is provided with a delay adjustment circuit 22 that applies...  
JP2789600B2  
JPH10508446A
(57) The method and equipment which are used with the embedding type equipment which communicates with external equipment by summary pulse position modulation are indicated. A timing generator is prepared as some above-mentioned embeddin...  
JPH10209857A
To prevent the malfunction of a circuit in a DLL(delay locked loop) circuit using a high speed clock signal by comparing the phases of output signals of first and second control circuits frequency-divided according to a third signal. A f...  
JP2783543B2  

Matches 551 - 600 out of 2,102