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JPS5899909U |
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JPS5899007A |
PURPOSE: To perform temperature compensation, by connecting a capacitor in series with a resistive temperature sensing element and inserting the series circuit in parallel with a drain capacitor or a gate capacitor, in an oscillation cir...
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JPS5824511Y2 |
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JPS5887611A |
PURPOSE: To output a variable clock from a VCO and to improve the operating efficiency of a system, by detecting an environmental temperature around logical elements of the system, sampling a detected temperature signal, and controlling ...
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JPS58500821A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPS5869128A |
PURPOSE: To easily perform temperature compensation of an electronic device, by logarithmically compressing the period of an oscillation signal of a CR oscillation circuit, obtaining a numeral almost inversely proportional to the ambient...
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JPS5866892A |
PURPOSE: To perform a temp. compansation with high accuracy without requiring outer fitting parts, by synthesizing a correction signal by using signals of a dividing circuit on the basis of temp. information of a temp. measuring circuit ...
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JPS5866422A |
PURPOSE: To decrease the power consumption of a phase lock loop circuit, by providing a switch which closes for a prescribed period when a change of the working conditions is detected for the main body of the loop circuit and then conduc...
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JPS5863884A |
PURPOSE: To keep the output period of a clocking electronic circuit approximately at a fixed level even if battery voltage is changed and stabilize its accuracy by carrying out the logical changing processing in accordance with the value...
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JPS5818016B2 |
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JPS5818002B2 |
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JPS5860830A |
PURPOSE: To hold the temperature in a thermostatic chamber constant by controlling the current flowing through a transistor (TR), coupled thermally with the thermostatic chamber according to fluctuations in the temperature in the thermos...
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JPS5860807A |
PURPOSE: To stabilize an oscillation frequency by electrically compensate the influence of absolute humidity at the oscillation frequency, i.e. variation in the dielectric constant of internal air. CONSTITUTION: A voltage-controlled osci...
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JPS5860278A |
PURPOSE: To obtain a highly accurate time piece at a low cost eliminating or minimizing separate incorporation of the temperature compensation by a method wherein a first tuning fork adapted to vibrate in the basic mode and a second tuni...
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JPS5816364B2 |
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JPS5854705A |
PURPOSE: To form many adjusting terminals in a small space, by selecting and cutting off the adjusting terminals made of metallic foil laminated on an insulation base through laser processing. CONSTITUTION: A long hole 3 is provided to a...
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JPS5813603Y2 |
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JPS5812764B2 |
A high-speed temperature-compensated integrated circuit voltage-controlled oscillator for use in applications such as phase-locked loops. The oscillator is a nonsaturating emitter-coupled multivibrator wherein temperature compensation is...
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JPS5838008A |
PURPOSE: To obtain a frequency output signal with excellent temperature characteristics, by providing a voltage controlled oscillator for reference frequency generation, summing the outputs of the voltage controlled oscillator and pickin...
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JPS588601B2 |
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JPS586605A |
PURPOSE: To reduce voltage variation in oscillation frequency by combining frequency characteristics, which depend upon voltage variation in the transfer characteristics of a C-MOS inverter, with frequency characteristics which depend up...
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JPS584963A |
PURPOSE: To compensate temperature continuously without using a substrate for a special microwave IC and by employing capacitance on the market, and to obtain an oscillator having arbitrary temperature characteristics by properly selecti...
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JPS581214A |
1. A thermal coupling cell between a heat producing element with semiconductors and a heat-sensitive element for the temperature stabilisation of an enclosure, especially intended for a piezo-electric oscillator, the heat-sensitive eleme...
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JPS57211029A |
PURPOSE: To obtain a constant level of the reference voltage when a temperature coefficient is controlled, by providing the temperature-sensitive elements having the same characteristics to a pair of opposite sides of a bridge circuit an...
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JPS57199304A |
PURPOSE: To make temperature compensation for the circuit with a temperature compensating capacitor having the positive or negative temperature characteristics, by setting a top temperature of a quartz oscillator having the secondary tem...
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JPS5757675B2 |
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JPS57187756A |
PURPOSE:To control the clock pulse oscillation frequency to enhance the operation processing speed, by detecting the change of the electromotive force of a solar battery with the light emission quantity of an LED constituting an output v...
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JPS5752722B2 |
1483269 Crystal ovens SIEMENS AG 22 Nov 1974 [4 Dec 1973] 50698/74 Heading H1E A thermostatically-controlled crystal oven comprises an outer heat-conductive casing 4, 5 and an inner heat-conductive parallelepipedal casing 1, 2 containing...
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JPS57181232A |
PURPOSE: To stabilize one of two voltage-controlled oscillator by supplying the control input of the phase leading-in circuit of one voltage-controlled oscillating circuit to the other voltage controllng oscillator as a control bias sign...
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JPS57178411A |
Signal processing by means of a system comprising an elastic wave device, invariant with the temperature. The input signal Se is written into a memory at the timing of a fixed clock hE and read at the timing of a clock HL supplied by a s...
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JPS57170630A |
The invention relates to a clock signal generating device comprising a crystal fundamental clock signal generator (GG) and a digital phase shifter (Ph), which is controlled by setting pulses and which follows the crystal fundamental cloc...
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JPS57169694A |
PURPOSE: To generate always a clock for handling of a needle and to improve impulsive precision of a super thin watch, by switching a signal to an auxiliary oscillating ciruit in the absence of the electrical oscillating signal when osci...
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JPS57129004A |
PURPOSE: To improve the temperature characteristics influenced by time aging of oscillation frequency, by obtaining voltage applied to a variable capacity diode, from a temperature variable resistance element connected in parallel to one...
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JPS5735474B2 |
A temperature-compensated antilogarithmic converter has a temperature-sensitive signal generator for generating a temperature dependent signal which varies in proportion to absolute temperature; a multiplying means for mixing and convert...
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JPS57116287A |
PURPOSE: To obtain the electronic watch characterized by a highly accurate error of one second or less per year by limiting the range of the operating temperature of an AT oscillator in a high frequency oscillating circuit through a temp...
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JPS57113633A |
PURPOSE: To eliminate defective oscillators earlier, by finding out the relation between a frequency drift and a usage time and expecting the state after a long time. CONSTITUTION: Taking a difference of oscillated frequency of an oscill...
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JPS5799039A |
PURPOSE: To perform temperature compensation for output frequency, by providing a storage circuit storing the reference data to set the output frequency to an objective value and correcting this reference date according to the temperatur...
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JPS5795705A |
PURPOSE: To compensate the temperature characteristics of a transistor for oscillation, by providing this transistor and a microstrip resonator on a dielectric substrate and a dielectric piece with the dielectric constant having a temper...
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JPS5795703A |
PURPOSE: To make the unit small-size to improve the resistance to humidity, by forming a vessel, which is provided with a recess part and consists of materials of ceramic, by a specified method and by fitting a quartz oscillation bar and...
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JPS5796532U |
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JPS5794241U |
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JPS5791005A |
PURPOSE: To automatically compensate characteristics of oscillators at replacement, by providing an electrode for characteristic discrimination to an oscillator having arbitrary characteristics and automatically switching the compensatin...
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JPS5787208A |
PURPOSE: To obtain a temperature compensated oscillation output with a low power consumption, by connecting CMOS circuits, where oscillating circuits of quartz oscillators having temperature characteristics opposite to each other are cas...
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JPS5782740U |
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JPS5774546U |
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JPS5769905A |
PURPOSE: To obtain a prescribed frequency independently of temperature, by compensating the error in accuracy due to aging of a quartz intself at the circuit side as well as temperature correction of a quartz oscillator for timepiece. CO...
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JPS5767412U |
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JPS5757637U |
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JPS5753727U |
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JPS5745705A |
PURPOSE: To simplify the constitution and to decrease and possibility of leakage of airtightness, by sealing shell to a board forming a wiring pattern and a capacitor and sealing the shell and a can, in an oscillator sealing an integrate...
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