SU1429164A1 - Apparatus for editing magnetic videotape record - Google Patents

Abstract

The invention relates to the field of information accumulation. The purpose of the invention is to increase the amount of recorded information by increasing the recording density in real time. A search is conducted on the magnetic media 4 for recording and reading alphanumeric and graphic information. The search, reading and control of alphanumeric information is carried out by setting the address and reading mode on the operator console 22 and searching for the required hall area. , pisi. Recorded information is read from magn. carrier 4 magn. head 1 and through the amplifier 16 frequency-modulated signal, amplitude limiter 15, selector 14, frequency demodulator 13, switch 43 is outputted to output bus 35. When recording graphical information, it looks for magn. media 4 recording area by rewinding the magnet, carrier 4 by the motor 6 and precise stop of the magnet, carrier 4 by the motor 7 according to the address set on the operator’s console 22, and the graphic information is read by the television camera 11 through the switches 10 and 44, the modulator 17, the selector 18, amplifier 16 frequency modulated signal and magn. Head 2. When reading a signal, the signal from the operator’s console 22 through the frame selection block 25, the signal control block 30, shaper 28, OR 42 element, selector 14 allows the image frame or its part to pass from the limiter 15, and cyclic reading is also possible one frame image. 2 pe. Itta Jf 9 (L o w O5 4 FinG

Description

The invention relates to the field of accumulation of information, namely, devices for mounting magnetic video recording, with

The aim of the invention is to increase the amount of recorded information. due to increased recording density in real time.

FIG. Figures 1 and 2 show the function and diagram of the operation of the device, respectively. The device for mounting magnetic video recordings contains the first, second and third magnetic heads 1-3, with magnetic recording medium 4 associated with the second recording, the first and second motors 5 and 6, the stepping motor 7, the input of which is connected through the distributor 8 with the output of the unit 9 control of the step-20 motor 7, the switch 10 recording reproduction, connected respectively to the video input to the output of the television camera 11, the video output to the video input of the video control 25 device 12, information input through serially connected frequency The modulator 13, the first selector 14 and the amplitude limiter 15 - with the output of the amplifier 16 of the frequency-modulated signal, the information output through the serially connected frequency modulator 17 and the second selector 18 - with the control input of the amplifier 16 of the frequency-modulated signal connected inputs to the first and second magnetic heads 1 and 2, the first output with the first input of the first register 19, the first control input with the first output of the second register 20 and the first input of the adder 21, the switch 10 recording-playback also connected by a second control input to the first output of the operator console 22 and the first input of the 23 c-beats image block connected by the second input and output to the corresponding output and input of the frequency modulator 17, and connected via the amplifier 24 recording-reproduction the address is with the third magnetic head 3. The device for mounting magnetic video recordings also contains a frame selection unit 25 connected to an operator console 22, a control unit 26 for controlling the second motor 6 connected via an output in series İnonu second motor 6 and a sensor 27 with rev

50

. -

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its input, the driver 28 of the control signals connected by the code to the control inputs of the first and second selectors 14 and 18, the address-clearing unit 29 connected by the input and output to the corresponding output and input of the address record-reproduction amplifier 24, the signal sampler 30 image connected by the first output to the input of the driver control signals 28, the second output to the control unit 9 of the control motor 7, the third to the second input of the first register 19 connected to each other, the output connected ohm and the third input respectively to the second input and the first output of the adder 21, and the first input of the second register 20 connected by the second output to the console 22. the operator and the second input to the second code of the adder 21 connected by the third output to the input of the imaging unit 30 of the signal sampling signals. an image connected to the operator console 22 and a frame selection unit 25, and a pulse generator 31, a third register 32 connected in series, and a signal conditioner 33 and input and output buses 34 and 35.

In addition, the device for mounting a magnetic video recording contains a block of 36 AND elements, the first, second and third triggers 37-39, a delay element 40, a clock counter 41, an OR element 42, second and third switches 43 and 44, and the first and second AND elements 45 and 46, wherein the pulse generator 31 is connected to the first input of the second element AND 46 connected by the second input to the first input of the first trigger 37 and the output of the second trigger 39 and output through the delay element 40 to the first inputs of the third register 39 connected to each other, connected informational inputs through the block 36 elements And to the corresponding input buses 34, and the counter 41 cycles connected by output to interconnected second inputs of the third register 32 and the first trigger 37. The first trigger 37 is connected by output to the corresponding output bus 35, to the third input of the third the register 32 and with the control inputs of the block 35 of the elements I. A 41-clock counter is also connected to the first inputs;

second and third triggers 38 and 39, the last of which is connected by a second input to interconnected corresponding input bus 34 and second inputs of a clock counter 41 and a second trigger 38. A third trigger 39 is also connected to interconnected control inputs. second and third switches 43 and 44 connected respectively between the output of the frequency demodulator 13 and the information input of the first switch 10 and between the input of the frequency modulator 17 and the information output of the first switch 10 connected by an additional output to the first input of the first element I 45 connected by the second input with a corresponding input bus 34 and an output with one of the inputs of the element OR 42 connected between the output of the control signal generator 28 and one of the inputs of the first selector 14. In this case Vatel 33 output signal is connected to one input of the third switch 44 and second switch 43 is connected with the output of one of the output lines 35.

The device works as follows.

On the operator panel 22, the marking mode of the magnetic recording medium 4 is set. The control signal from the console 22 through the sample control block 30, the second motor control block 26 and the second motor 6 move the magnetic carrier 4. The current values of the address codes from the operator console 22 through the second register 20 ,. The first switch 10, the address recording / reproduction amplifier 24, the magnetic head 3 is recorded onto the magnetic carrier 4 moving at a constant speed. 4. upon completion of the marking of the magnetic carrier 4, it is rewound to the initial state.

When recording graphical and alphabetic-DIGITAL information on the remote controller 22 of the author, the mode of the stop, the address and features of the frame, the type of the stitched images is set.

The signals from the operator’s console 22 sink to the second register 20, which supplies the parallel address code to the summer 21, and to the signal selection control unit 30, which allows the magnetic carrier 4 to interchange by the second

0

engine 6 through engine control unit 26. The current address values read by the magnetic head 3 through the amplifier 24, the switch Yu is fed to the input of the first register 19. As a result of the comparison on the adder

21 addresses set on the remote

22, and the current address read by the magnetic head 3, a control signal is generated, which is supplied to the signal selection control unit 30.

With a sufficiently small difference of these 5 addresses, the sampling control unit 30 begins to move the magnetic carrier 4 by means of a stepper motor 7, controlled through the control unit 9 and the distributor 8. Thus, the search on the magnetic carrier 4 is carried out when writing and reading alphanumeric and graphic information.

Then, on the operator console 22, the writing and reading mode of the graphic or alphanumeric information is set.

When recording alphanumeric information from the communication channel to the input bus 34, a signal of the device readiness polling signal is received. On that signal, the 41 clock ticks are set to O and 1 second trigger 38 and third trigger 39, from the output of which the signal goes to the control of the second 43 and third 44. switches.

The control signal from the second trigger 38 sets to 1 the first 0 to the trigger 37, allowing the reception of a code

through a block of 36 elements And to the third register 32, and also a readiness signal to receive a code (1p-8p) to the input buses 34 is formed into a communication channel.

The incoming binary code on the signal from the first trigger 37 passes through the block 36 of the elements AND and is recorded in the third register 33. Simultaneously, the signal from the second trigger 38 is fed to the first input of the second element AND 44.

The other input of this element I 44 is supplied with pulses from the generator 31, which through the first delay element 40 are sent to the counting input of the counter 41 cycles and are shifted to the right by one bit of the content of the third register 32. The next pulses from the generator 31 through the second element 46,

five

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five

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I delay delay element 40 shifts the contents of the third register 32, and the I clock counter counts the necessary number of shift signals from the register contents 32. The serial code (1p-8p) from the third register; gister 3.2 through shaper 33 of signals j, third switch 44, frequencies When searching for a frame of graphic information, address 22, read mode, signs of information type are set on the operator panel 22. The device, as in the previous modes, searches for the recording area and the first magnetic head 1 reads the signal from the carrier 4 and through the amplifier 16 frequency-modulated

17 modulator, first selector 18, signal ω, amplitude. Constant limiter 15, amplifier 16 frequency-modulated first selector 14, frequency demodulator

signal, the second magnetic head 2 is recorded on magnetic carrier 4.

The ninth pulse from the generator 31 I through the second element I 46, the element 40 15 I of the delay arrives at the counting input i of the counter 41 cycles, which from the first output generates a signal set to O of the third register 32, the first trigger 37, the second trigger 38 and 2o the third trigger 39. The zero state of the first trigger 37 is supplied via the output bus 35 to the communication channel, which gives the next signal from the controller 13, the second 43 and the first 10 switches arrive at the input of the video monitor 12, depending on the mode set on the console 22 read and the signal from the console 22 through the frame selection unit 25, the signal control block 30, the first control signal generator 28, element OR 42, the first selector 14 allows the image or its part to pass from the amplitude limiter 15. it is possible to cyclically read one. When searching for a frame of graphic information, the address, mode of reading, signs of information type are set on the operator panel 22. The device, as in the previous modes, searches for the recording area and the first magnetic head 1 reads the signal from the carrier 4 and through the amplifier 16 frequency-modulated

and

The torus 13, the second 43 and the first 10 switches arrive at the input of the video monitor device 12. Depending on the read mode set on the operator’s console 22, the signal from the console 22 through the frame selection unit 25, the signal control unit 30, the first driver 28, the element OR 42, the first selector 14 permits the passage from the amplitude limiter 15 of the image frame or part thereof, as well. perhaps cyclic reading one

thirty

ZV

40

Sa to the input bus 34 and sets the 2S frame of the image with a frequency of 50 Hz to the O counter of 41 cycles and to 1 second 38 and third 39 triggers.

This repeats the cycle of receiving, shifting, and recording alphanumeric information from the input buses 34 to magnetic media 4 to recording data on the entire magnetic track.

Search, read and control of alphanumeric information is carried out by setting the address and reading mode on the operator console 22 and searching for the required recording area. The recorded information is read from the magnetic carrier 4 by the first magnetic head and through the amplifier 16 of the frequency-modulated signal, the amplitude limiter 15, the first selector 14, the frequency demodulator 13, the second switch 32 is outputted to the output bus 35.

When recording graphic information, the recording area is similarly searched for on magnetic media 4 by rewinding media 4 with the second motor 6 and precisely stopping the magnetic tape 4 with the stepping motor 7 at the address set on the operator’s console 22, and the graphic information is read. the television camera 11 through the switches 10 and 44, the frequency modulator 17, the second selector 18, the amplifier 16 of the frequency-modulated signal and the second magnetic head 2 is recorded on the magnetic carrier 4.

45

50

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from the stopped magnetic carrier 4.

Claims (1)

The formula of the invention. neither A magnetic video recorder comprising first, second, and third magnetic heads with which the magnetic recording medium is coupled, first and second motors, a stepping motor, whose input is connected through a distributor to the output of a stepper motor control unit, a recording-playback switch connected respectively, a video input with a television camera output, a video output with a video input of a video monitor, an information input through a serially connected frequency demodulator, a selector and an amplitude limiter — with the output of a frequency-modulated signal amplifier, information output through a series-connected frequency modulator, and a second selector — with a control input of a frequency-modulated signal amplifier connected by inputs to the first and second magnetic heads, and the first output is with the first input of the first register, the first control input with the first output of the second register and the first input of the adder, the second control input with the connecting 50 Hz Image Frame With the magnetic stop, wear 4. The formula of the invention. neither A magnetic video recorder comprising first, second, and third magnetic heads with which the magnetic recording medium is coupled, first and second motors, a stepping motor, whose input is connected through a distributor to the output of a stepper motor control unit, a recording-playback switch connected respectively, a video input with a television camera output, a video output with a video input of a video monitor, an information input through a serially connected frequency demodulator, a selector and an amplitude limiter — with the output of a frequency-modulated signal amplifier, information output through a series-connected frequency modulator, and a second selector — with a control input of a frequency-modulated signal amplifier connected by inputs to the first and second magnetic heads, and the first output is with the first input of the first register, the first control input with the first output of the second register and the first input of the adder, the second control input with the first output connected to each other with the first output and the operator and the first input of the image erasing unit connected by the second input and output to the corresponding output and input of the frequency modulator, and through an address recording-reproducing amplifier — with a third magnetic head and also containing a frame selection unit connected to the operator’s console, the unit control of the second motor, connected by an output through a second motor connected in series and a speed sensor to its input, a driver of control signals, connected to the control inputs of the first o and the second selectors, the address wipe unit connected by the input and output with the corresponding output and input of the address record-reproduction amplifier, the imager of signals for sampling image signals, connected by the first output to the input of the driver of the control signals, the second output to the control unit of the stepper motor , the third output is connected to the second input of the first register connected by the output and the third input respectively to the second input and the first output of the adder, and the first input of the second p A driver connected by a second output to an operator’s console and a second input to a second output of an adder connected by a third output to an input of a signal conditioner of an image signal sample connected to an operator’s console and a frame selection unit, as well as a pulse generator connected in series to a third register and a signal conditioner and input and output ratios, which are designed so that, in order to increase the amount of recorded information by increasing the recording density in real time, an element block is inserted into it ntov And, first, vto0 five 0 five 0 five 0 five the swarm and the third trigger, the delay element, the clock counter, the OR element, the second and third switches, and the first and second elements AND, the pulse generator connected to the first input of the second element AND connected to the first input of the first trigger and the second input connected to the second input trigger and output through the delay element - to the interconnected first inputs of the third register connected by information inputs through the block of elements I to the corresponding input buses and the clock counter connected to the output home to interconnected second inputs of the third register and the first trigger, the last of which is connected to the output of the corresponding output bus, to the third input of the third register and to the control inputs of the I block, to the first inputs of the second and third triggers, the last of which is connected the second input to the interconnected corresponding input bus and the second inputs of the clock counter and the second trigger, and 1z-turn to the interconnected control inputs of the second and third switches included respectively, between the output of the frequency demodulator and the information input of the first switch and between the input of the frequency modulator and the information input of the first switch connected by an additional output to the first input of the first And element connected by the second input with the corresponding input bus and output to one of the inputs of the OR element, connected between, the output of the control driver (the signal and one of the inputs of the first selector, while the driver of the signals is connected to the output of one of the inputs about the switch, and the second switch is connected to the output from one of the output buses.