SU421974A1 - ELECTRONIC TIME INDICATOR - Google Patents

Description

one

The invention relates to electronic time devices, in particular, to electronic time meters, and can be used to indicate time in a wall, desktop, wrist, and other electronic watch.

In the well-known electronic time indicator, which contains a pulse generator, a frequency divider, three ring counters (seconds, minutes, hours), 60 light-emitting elements, 60 matching circuits for two inputs and twelve "OR, light-emitting elements" elements are common indicators for minutes and hours.

However, such an indicator has a large number of light-emitting elements and coincidence circuits.

The purpose of the invention is to simplify the indicator.

This is achieved by the fact that the outputs of a ring counter with a counting factor of 5 are connected through the coincidence circuit to the four minute indication elements, and the counter output with a counting factor of 12 through the coincidence circuit and OR circuit are connected to the twelve display elements common to the clock display and minute intervals. .

FIG. 1 shows an indicator, a general view; in fig. 2 is a diagram of an electronic time indicator.

The proposed electronic time indicator contains a sensor of 1 pulses, a counter of 2 minutes, a ring counter of 3 hours, four elements 4 of the minutes display, twelve elements of the 5 hours display and five minute intervals, sixteen matching schemes 6 for two inputs, twelve OR 7 for two inputs .

Pulse sensor 1 contains a generator of 8 pulses, a frequency divider 9 and an annular

counter 10 seconds.

A 2 minute counter includes a ring counter of 11 minute pulses with a counting factor of 5 and a ring counter of 12 minute minutes of pulses with a counting factor of 12.

The first pulse sensor output 13 is connected to the counting input of a ring counter of 11 minute pulses, the non-transfer output of which is connected to the counting input of a counter of 12 minted pulses. The transfer output of the latter is connected to the counting input of the ring counter for 3 hours.

The outputs of the ring counters of 11 and 12 minute and five minute pulses are connected to the first inputs of the matching circuit 6, the second inputs of which are combined and connected to the second input 14 of the pulse sensor. The outputs of the first four circuits 6 matches are connected to the elements of the 4 minutes display. Outputs of the remaining twelve match schemes

connected to the first inputs of the “OR,

the second inputs of which are connected to the outputs of the ring counter 3 hours. The outputs of the “OR 7” circuits are connected to twelve elements and displays of clocks and five minute intervals.

Electronic time indicator works as follows.

The pulse sensor produces pulses with a period of 1 min, which are fed to a chain of ring counters of minute pulses, five minute pulses, and hours. At the outputs of the three ring counters 11, 12 and 3, voltage pulses circulate with periods of 1 min, 5 min, 1 hour, respectively.

The pulses from each output of the ring hour meter through the “OR” circuits cause one indication element 5 to glow for 1 hour. Pulses from each output of a five-minute pulse counter through the “And 6” and “OR 7” circuits also cause one indication element 5 to glow for 5 minutes with a blink period of 1 second, determined by frequency divider 9. At the same time, the hour markers of the vehicle on the general scale are continuous, and the five-minute flashes with a period of 1 second.

The pulses from each output of the ring counter of 11. minute pulses through the circuits "And 6 cause the glow of one of four

elements 4 of the display for a time of 1 min every 5 min and with a blinking period of 1 sec. Thus, the four minute display elements are common to all five minute intervals, the total number of minutes being determined by adding the values of the two blinking display elements.

Subject invention

An electronic time indicator containing a pulse sensor, a minute counter and pulses with a counting factor of 5, a ring counter of five minutes with a counting factor of 12, a ring clock counter, elements of the minutes display and twelve clock indication elements, coincidence circuits for two inputs, the first inputs of which merged and connected to one of the sensor inputs

pulses, twelve "OR" circuits, characterized in that, in order to simplify the device, the outputs of the ring counter are calculated by the counting factor 5 through the coincidence circuits to the four indication elements

minutes, and the outputs of the counter with a coefficient of 12 through the matching circuit and the OR circuit are connected to twelve display elements, common for indicating the clock and five minute intervals.