SU1282074A2 - Electronic timepiece - Google Patents

Abstract

The invention relates to a measurement technique and makes it possible to increase the accuracy of measuring the current time. The clock contains a time code generator 1, an indication unit 2, a mains supply source 3. duty source 4 power supply, node 5 conjugation, key 6, equivalent to load 7, threshold element 8, node 9 sampling time, shaper 10 sign of failure of duty duty power source 4, auto-generator 11 and element OR 12. Introduction of new elements and formation New connections between the elements of the device allow to ensure the reliability of the control of the on-duty power supply when exposed to interference in case of tea failure of the memory element of the driver 10 for a sign of failure. Additional control is provided by additional control analysis of the voltage level of the duty 10 power supply source 4. 1 il.

Description

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The invention relates to current-time measurement devices, which are powered from the mains voltage, and, with its short-term failure, from a standby power source (galvanic battery) and are an improvement of the electronic clock according to the author. St. No. 1154647.

The known device comprises a bitwise connected time code generator and a display unit connected

its input with the first output of the power supply source 10. At the same time, the equivalent of load 7 performs the role of converting a voltage level into a value convenient for supplying it to a threshold element 8. The unit logic level of the voltage at the output of the network power supply threshold element 8, the gateway node whose output is connected to the input of the time code generator, and the inputs of the interface unit are connected to the second output of the power source and the outputs of the on-duty load 7 performs the role of a voltage level-to-value converter convenient for its supply to the threshold element m 8. A single logical voltage level at the output of the threshold element 8 oznatochnika power respectively posledo- chaet that the standby power source 4 connected navatelno key equivalent load threshold element and feature generator whose output is connected to a control input of the indication unit.

and the output of the on-duty power source is

key to the key input, wherein the clock input of the sign generator is connected to the clock output of the time code generator, the output of which bits are connected to the time sampling node connected by its output with the key control and sign generator inputs.

The purpose of the invention is to improve the accuracy of the measurement of the current time by ensuring the reliability of the control of the on-duty power supply when exposed to interference (accidental accumulation of the memory element of the characteristic generator).

Reliability of control is provided by additional control analysis of the voltage level of the on-duty power source.

The drawing shows a block diagram of an electronic watch, explaining the principle of their operation.

The clock contains a time code generator 1, an indication unit 2, a source 3

The sign of failure of the on-duty power source enters the display unit 2 and highlights the individual elements of the digital display, which indicates the need to replace the on-duty power supply 4. When it is replaced, an automatic

mains power supply, duty source 4, PI, 40, installation of the trigger 13, the tannin, the node 5, the switch 6, the key 6, equivalent to the presence of the differentiating cements 7, the threshold element 8, the node 9, PI 14. sampling time, the driver 10 signs of failure of the on-duty power supply source 4, the auto-generator 11 and the element OR 12. For the analysis of the voltage level of the on-duty power supply source 4, it occurs

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The globalizer 10 of the feature contains trigger 13 technological bit, therefore, the durable and differentiating circuit 14.

Electronic clocks work as follows.

The power of the time code generator 1 is supplied through the junction 5 of the mains from the source 3 of the mains supply, and in the event of a network voltage failure, from the standby source 4 of the mains supply. The power of the display unit 2 is carried out only from the source 3 of the mains supply.

The current time value, generated by 55 node 1, is transmitted to display unit 2 and is indicated by its display. At a certain point in time (once is enough

The analysis should be minimally acceptable. In addition, this duration depends on the inertia of the establishment of a normal mode of operation of a partially depleted on-duty power supply source 4 and is 2-30 seconds depending on its type. The analysis period is once a day.

Claims (1)

Invention Formula Electronic clock on the author. St. No. 1154647, characterized in that, in order to increase per day), selected by node 9, the on-duty power supply 4 is connected via a switch 6 to its voltage level analyzer, which is the equivalent of load 7 and threshold element 8. The load equivalent 7 sets the current load for the on-duty power supply 4, determined by the current consumption of the time code generator 1 from this power supply. At the same time, the equivalent of load 7 performs the role of converting a voltage level to a value convenient for supplying it to the threshold element 8. The unit logic level of the voltage at the output of the threshold element 8 means that the standby power source 4 is normal, and zero means that the voltage of the duty power source 4 is below the maximum permissible level (the duty power source 4  jo refused). The result of the voltage level analysis is recorded on the trigger 13 of the driver 10 of the sign of failure of the on-duty power source. This result comes from the output of the trigger 13 on the display unit 2. 25 In order to improve the noise immunity of the trigger 13, a sign of failure of the on-duty power source formed by the node 10 is checked. This symptom (Zero logic level of the trigger 13) triggers an auto-oscillator 11, the pulses of which act as commands for conducting the analysis of the voltage of the duty source power, i.e., commands similar to node time sample 9. thirty The sign of failure of the on-duty power source enters the display unit 2 and highlights the individual elements of the digital display, which indicates the need to replace the on-duty power supply 4. When it is replaced, an automatic installation of the trigger 13 in the initial state due to the presence of a differentiating circuit 14. installation of the trigger 13 in the initial state due to the presence of a differentiating circuit 14. When analyzing the voltage level of the on-duty power supply 4, it occurs technological bit, so the technological bit, so the The analysis should be minimally acceptable. In addition, this duration depends on the inertia of the establishment of a normal mode of operation of a partially depleted on-duty power supply source 4 and is 2-30 seconds depending on its type. The analysis period is once a day. Invention Formula Electronic clock on the author. St. No. 1154647, characterized in that, in order to increase 1282074d accuracy of measurement of the current time; in them, the time is connected to the inputs; the autogenerator and the OR element are inputted; the input of the oscillator is connected to the output of the OR, the input of which is connected to the sign formative feature, and the output of the node is assigned to the output of the autogenerator.