TH15166A - Circuits for inserting and extracting frequency integration data? And methods for generating frequency integration data? - Google Patents

Abstract

In video recording equipment, the frequency integration insertion circuit consists of a detector, section E/O 30, for detecting whether the current video signal is an even or odd segment; a frequency integration generator, section 40, for generating frequency integration data representing the integration state based on the result detected by detector section E/O 30; a combiner, section 60, for combining the overall video signal with the frequency integration data; and a positioner, section 50, connected between combiner section 60 and the frequency integration generator, for sending the resulting frequency integration data to combiner section 60 at a specific time. In imaging equipment, the frequency integration separation circuit consists of a position detector, section 120, for detecting the position where the frequency integration data is inserted into the generated video signal; and a frequency integration separator, section 130, for separating the integrated frequency integration data into the provided video signal based on the result detected by position detector section 120.

Claims (22)

1. The frequency integration insertion circuit in image processing devices is used for combining high-frequency and low-frequency image signals and recording the combined image signal onto a bandwidth-limited recording medium. This circuit consists of: an even/odd particle detector to detect whether a portion of the image signal current is even or odd, and to generate an even/odd particle detector signal with a different logic state; a frequency integration data generator to generate integration data representing the integration state of the combined image signal in response to the even/odd particle detector signal; a combiner to insert the integration data signal into the combined image signal; and a positioner connected between the integration data generator and the combiner, which provides the integration data to the combiner at the point where the integration data is inserted into the image signal. 2. The frequency aggregation data insertion circuit as proposed in Claim 1, where such insertion position of the frequency aggregation data is set between one vertical sync signal and the next vertical sync signal. 3. The insertion circuit of the frequency integration data as requested in claim 2, where such insertion position of the frequency integration data is set between any specific horizontal sync signal and the subsequent horizontal sync signal in the time interval between one vertical sync signal. 4. The frequency aggregation data insertion circuit as requested in claim 3, where such frequency aggregation data is positioned at any horizontal sweep period. 5. The equipment for processing the image as claimed in Recollection 1 includes: a brightness generator for regenerating the combined brightness signal from the image signal recorded on the recording medium; a position detector for detecting the insertion location of the combined frequency data inserted into the regenerated brightness signal in response to the sync signal; a frequency combined data separator for separating the frequency combined data inserted into the regenerated brightness signal in response to the results detected by the position detector; and a frequency combined data output which is separated and sent to the frequency unseparator for generating the unselected brightness signal. 6. An instrument for performing image processing as claimed in claim 5, whereby the position detector includes a sync splitter for separating the sync signal from the regenerated brightness signal. 7. Method for generating frequency integration data to represent the frequency integration status of the aggregate signal in imaging equipment for merging high-frequency video signals with low-frequency video signals and for recording the aggregate signal of perfect bandwidth on a bandwidth-limited recording medium. The described method involves separating the horizontal sync signals and vertical sync signals from the aggregate signal, which comprises the horizontal and vertical sync signals; generating a standard clock pulse train with a higher frequency than the horizontal sync signal; counting up the sweep period of the horizontal sync signal according to the standard clock pulse train; comparing the counted value to the value corresponding to the half-period of the horizontal sync signal when a gap occurs between the vertical sync signals during the sweep period counting phase; generating an even/odd part detection signal of a given logic state based on the comparison result; generating frequency integration data based on the logic state of the even/odd part detection signal; and setting the position of the sweep line for inserting the frequency integration data into the aggregate signal. 8. A method for generating frequency aggregation data as claimed in claim 7, where the value of the frequency aggregation data is added by one for every reversal of the logic state of the detector signal, and the even/odd number in the generation process of such frequency aggregation data. 9. A method for generating frequency aggregation data as claimed in claim 8, where such aggregation data has a low logic value after reaching a value specified in the generation procedure of such aggregation data. 10. A method for generating frequency aggregation data as claimed in claim 9, where such frequency aggregation data has the aforementioned low logic values after reaching the three values. 11. A method for generating frequency aggregation data as proposed in claim 7, where the frequency aggregation data is in the form of pulses, the insertion position of the pulse is slightly changed for each segment. 12. A method for generating frequency aggregation data as requested in claim 7, where the frequency aggregation data is a trigger pulse in which the insertion position of the trigger pulse is slightly changed for each segment. 13. Method for constructing frequency aggregation data as requested in claim 7, where the frequency aggregation data is a code word with a fixed insertion position. 14. The method for generating frequency aggregation data as claimed in claim 7, where the frequency aggregation data is generated to be inserted specifically into one of four sections comprising the image signal frame in the frequency aggregation data generation process. 15. Method of generating frequency aggregation data as requested in claim 7, where the frequency aggregation data is generated to be inserted into any two of the four sections comprising the image signal frame. 16. Method for generating frequency aggregation data as requested in claim clause 7, whereby frequency aggregation data is generated to be inserted into any three of the four segments of the video signal. 17. Image recording equipment, comprising pathways for separating color and brightness signals from the received overall signal; pathways for separating the total brightness signal by combining the frequencies of the high-frequency components of the brightness signal with the low-frequency components of the brightness signal; pathways for separating the sync signal present in the total brightness signal; pathways for part count detectors to generate count data by counting the part in each frame of the total brightness signal in response to the sync signal; pathways for generating data to create a count signal representing the count data; pathways for generating the count signal of the combined part by combining the count signal and the total brightness signal; pathways for generating the modulated brightness signal by modulating the combined part count brightness signal; pathways for generating the modulated color signal by modulating the color signal; pathways for combining the modulated color signal and the modulated brightness signal to create a combined signal; and pathways for recording the combined signal onto a recording medium. 18. An imaging device as claimed in claim 17 where the path for generating the merged section's count brightness signal shall consist of a positioning path for slowing down such count signal in response to the horizontal sync count of such sync signal, and a merging path for merging such count signal slowed down by the positioning path with such merged section's count brightness signal, thereby generating a merged section's count brightness signal which contains the merged count signal and a predefined horizontal sweep line of such merged section's count brightness signal. 19. The equipment for recording images as claimed in claim 17, which hereinafter includes: a means for separating the motion signal from the received overall signal; the motion signal which represents the motion of the image in the received overall signal; and the means for combining the motion signal and the color signal prior to modulation of the color signal. 20. Equipment for recording images as claimed under claim 19, where such brightness signal is separated from the overall image signal received in response to motion signals. 21. The imaging device as claimed in Clause 17, hereinafter including the following capabilities: a color/brightness separator for separating the modulated brightness signal and the modulated total brightness signal from the image signal, which replaces the modulated signal, which is regenerated from the recording medium; a new brightness signal generator for generating the modulated brightness signal by modulating the modulated brightness signal; a new brightness signal generator for generating the new total brightness signal by modulating the modulated total brightness signal; a position detection path for counting the sync signal, which is incorporated into the total brightness signal, to generate a position detection signal indicating the position of insertion of the count signal incorporated into the total brightness signal; a frequency integration separator path for separating the count signal from the total brightness signal in response to the position detection signal; a path for propagating the high-frequency component from the low-frequency component of the total brightness signal in response to the count signal to generate the propagated brightness signal; and a path for generating the aggregate signal by combining the modulated color signal and the propagated brightness signal. 22. The process of inserting frequency integration data into an analog total brightness signal consists of the following steps: Clock pulse-dependent sampling of the total brightness signal and conversion of this sample into a code to generate a digital total brightness signal; Separation of the motion signal, the air-received brightness signal, and the transient brightness signal from the digital total brightness signal; Mixing the air-received brightness signal and the transient brightness signal in a motion-dependent manner to produce a mixed brightness signal; Attenuation and sampling of the high-frequency components of the mixed brightness signal; Mixing these high-frequency components with low-frequency brightness signals to generate a total brightness signal; Conversion of this total brightness signal to an analog total brightness signal; and Insertion of frequency integration data into the analog total brightness signal. This frequency integration data represents the frequency integration state of the analog total brightness signal and is obtained by detecting whether a portion of the current of the analog total brightness signal is one of the even and odd parts.