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公开(公告)号:JPS59122026A
公开(公告)日:1984-07-14
申请号:JP23059482
申请日:1982-12-27
Applicant: Sony Corp
Inventor: SAKAMOTO AKIRA , SUGITA TAKEHIRO , FUKAMI TAKESHI , KOMATSUBARA MICHIMASA
IPC: H04B1/10
CPC classification number: H04B1/10
Abstract: PURPOSE:To exclude a noise due to the discontinuance of a signal waveform and trouble such as overmodulation by connecting discontinuous waveform parts of a discontinuous signal waveform smoothly by interpolation. CONSTITUTION:This circuit is provided with the 1st and the 2nd multipliers 3 and 7 supplied with the 1st and the 2nd discontinuous input signal waves, a counter 4 as a coefficient information generating means which supplies pieces of coefficient information corresponding to said input signals to the 1st and the 2nd multipliers 3 and 7 respectively, and an adder 8 which adds the outputs of the 1st and the 2nd multipliers 3 and 7 together. Then, a smooth continuous output signal generated by interpolating discontinuous parts of the waveforms is obtained from this adder 8 to exclude a noise due to the discontinuance of the signal waveforms and trouble such as overmodulation.
Abstract translation: 目的:通过内插平滑连接不连续信号波形的不连续波形部分,排除由信号波形中断引起的噪声和过调制等故障。 构成:该电路配置有第1和第2乘法器3和7,第1和第2乘法器3和7被提供有第1和第2不连续输入信号波,计数器4作为系数信息发生装置,其将与所述输入信号对应的系数信息提供给 分别为第1乘法器3和第2乘法器7,以及将第1乘法器3和第2乘法器7的输出相加的加法器8。 然后,从该加法器8获得由内插不连续部分产生的平滑的连续输出信号,以排除由信号波形的中断引起的噪声和诸如过调制的故障。
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公开(公告)号:JPS58124344A
公开(公告)日:1983-07-23
申请号:JP697382
申请日:1982-01-20
Applicant: SONY CORP
Inventor: KOMATSUBARA MICHIMASA , WAKU TOSHIHIKO , YASUDA HIROSHI , FUKAMI TAKESHI , TOYOSHIMA MASAKATSU
IPC: H04K1/00
Abstract: PURPOSE:To simplify the circuit constitution and to attain low cost, by separating a sound signal and a synchronizing signal from a scrambled signal, obtaining USB or LSB waves from th sound signal and a carrier signal for shift from the synchronizing signal. CONSTITUTION:In demodulating a sound encryption signal consisting of a sound scramble signal obtained from the product between FSK waves for frequency shift and the LSB or the USB waves of the sound signals, and the synchronizing signal, the sound scramble signal and the synchronizing signal are separated, and the USB and the LSB waves are obtained from the product between the sound scramble signal and the carrier signals of the LSB and the USB waves. At least two carrier signals f1, f2 for frequency shift, changed over according to a prescribed code in synchronizing with the synchronizing signal are obtained. The original sound signal is obtained by the product betwen the carrier signals f1, f2 and the USB waves or the LSB waves.
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公开(公告)号:JPS5596723A
公开(公告)日:1980-07-23
申请号:JP464679
申请日:1979-01-18
Applicant: SONY CORP
Inventor: SOMENO NOBORU , KOMATSUBARA MICHIMASA , TOYOSHIMA MASAKATSU
Abstract: PURPOSE:To prevent tuning to the side band of a short duration by delaying pulses which change a receiving state detection FF. CONSTITUTION:When up switch Su is turned on, the count value of counter 31 is increased for every pulse P32, and receiving frequency fi is increased by steps of 9kHz. When scan advances and the receiving frequency becomes (fi-9kHz) to detect the side band of broadcast of frequency fi, output Q37 of detection circuit 37 is changed, however, output Q37 continues hardly to be 1 during delayed output pulse P55 of pulse forming circuit 55 because of a short duration of output Q37 of 1, and output Q54 of AND circuit 54 cannot be changed.
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公开(公告)号:JPS5566148A
公开(公告)日:1980-05-19
申请号:JP13971478
申请日:1978-11-13
Applicant: SONY CORP
Inventor: TOYOSHIMA MASAKATSU , KOMATSUBARA MICHIMASA
Abstract: PURPOSE:To avoid the mistake at the preset time by detecting the coincidence of the contents between the scanning counter and the memory memorizing the channel- selected address and then lighting up the display element corresponding to the coincidence detection signal. CONSTITUTION:The channel-selected address of channel selection switches S1-Sn is memorized in memory 26, and the contents are supplied to multiplexer 31. At the same time, the switch signal sent from signal production circuit 34 is supplied to multiplexer 31, and the contents of memory 26 are drawn out in sequence in the time-division way. Then the output of multiplexer 31 is supplied to coincidence detector circuit 32, and furthermore the value of scanning counter 21 is supplied to circuit 32. When the coincidence is obtained for the output between multiplexer 31 and counter 21, the detection output is supplied to multiplexer 33. At the same time, the switch signal sent from circuit 34 is supplied to multiplexer 33. And multiplexer 33 is switched in synchronization with multiplexer 31. With the output of multiplexer 33, display elements L1-Ln are lit up.
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公开(公告)号:JPS5552511A
公开(公告)日:1980-04-17
申请号:JP12335178
申请日:1978-10-06
Applicant: SONY CORP
Inventor: KOMATSUBARA MICHIMASA , TOYOSHIMA MASAKATSU
Abstract: PURPOSE:To reduce the number of terminals of a display element ane decoder by performing time-division display of two signals by combining the ''mXn''-number segment electrodes and the ''n''-number common electrode provided opposing to the ''m''-number segment electrodes. CONSTITUTION:On a surface in contact with liquid crystal of a glass substrate, sixteen transparent segment electrodes S1-S16, for example, are formed at equal intervals and electrodes Si, S9-i, S8+i, and S17-i are connected in common to terminal Ti. On a surface in contact with liquid crystal of the other glass substrate, on the other hand, four common electrodes Sa-Sd are formed opposing to electrodes S1-S4...S13-S16, and then connected to terminals Ta-Td. Then, voltage Vp indicating the peak level of a recording input and peak holding voltage Vh are supplied to switch circuit 23 and then to decoder 25. Now, if voltage Vp of a level equivalent to electrode S7, for example, is supplied to decoder 25 in period (tau1), electrodes S7-S1 are seen in black. When voltage Vh of a level equal to that of electrode S11 is applied in period (tau2), only S11 is seen in black and time-division display is performed between the both.
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公开(公告)号:JPS5468337A
公开(公告)日:1979-06-01
申请号:JP13394977
申请日:1977-11-08
Applicant: SONY CORP
Inventor: KOMATSUBARA MICHIMASA , SHIMIZU IKUO
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公开(公告)号:JPS5465564A
公开(公告)日:1979-05-26
申请号:JP13195977
申请日:1977-11-02
Applicant: SONY CORP
Inventor: KOMATSUBARA MICHIMASA , SHIMIZU IKUO
Abstract: PURPOSE:To avert the occurrence of malfunction by suspending the read out of digital signals such as control signals, data signals, address signals, etc. when the transmission quality of the signals has degraded owing to noise, etc. CONSTITUTION:In educational apparatus called ''LL schoolroom'', the signal from the master unit is received in the antenna 1 of a sub-unit. This signal passes through a high frequency circuit 2 and intermediate frequency circuit 3 and is demodulated to a sound signal and sub-signal SS in an FM demodulation circuit 4. The sound signal is supplied to a tape recorder 6 and the sub-signal SS is supplied to the read circuit 8 of the digital signal. The digital signal having been read is supplied to an answer unit 12, by which the correct answer, etc. are indicated, or the driving of the tape recorder 6 is controlled. Further the intermediate frequency signal from the intermediate frequency circuit 3 is supplied to a level detection circuit 14 for discrimination of S/N and when this level is above a specified level, reading out of the signal is suspended.
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公开(公告)号:JPS5464409A
公开(公告)日:1979-05-24
申请号:JP13066777
申请日:1977-10-31
Applicant: SONY CORP
Inventor: KOMATSUBARA MICHIMASA , SHIMIZU IKUO
IPC: H04B1/40
Abstract: PURPOSE:To prevent the occurrence of interference due to high frequency leakage, by multiplying the oscillation frequency only for the set period through the use of the oscillator separately provided with the local oscillator, and by forming the high frequency signal for transmission. CONSTITUTION:The oscillator 14 is provided separately with the local oscillator 5, and the oscillator 14 performs continuous oscillation of the transmission carrier frquency, for example, 1/4 frquency. Further, the signal from the detection circuit 11 is fed to the oscillator and modulation is made, and the modulated signal is multiplied 16 by 4, forming the high frequency signal for transmission. This signal is transmitted via the antenna 1 through the high frequency amplifier 12 and BPF 17, the signal from the control circuit 13 at that time is fed to the multiplication circuit 16, performing multiplication only for the set time. Thus, high frequency is not formed other than the set period, thereby preventing the interference due to leakage of high frequency to be caused.
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公开(公告)号:JPS53105107A
公开(公告)日:1978-09-13
申请号:JP1959077
申请日:1977-02-24
Applicant: SONY CORP
Inventor: SHIMIZU IKUO , KOMATSUBARA MICHIMASA , SANTOU FUMIO
IPC: H04B1/26
Abstract: PURPOSE:To enable the multichannel broadcasting to be received simultaneously by providing a branching circuit after the frequency conversion stage.
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公开(公告)号:JPH10285530A
公开(公告)日:1998-10-23
申请号:JP8632397
申请日:1997-04-04
Applicant: SONY CORP
Inventor: IKEDA NOZOMI , OGINO AKIRA , KOMATSUBARA MICHIMASA
IPC: H04N5/91 , H04N5/913 , H04N7/167 , H04N7/171 , H04N21/41 , H04N21/435 , H04N21/442
Abstract: PROBLEM TO BE SOLVED: To prevent erroneous recognition as the fault of a device for recording and reproducing video signals even in the case that the video signals can not be normally recorded or reproduced by copy guard executed to the video signals. SOLUTION: A copy guard state detection part 5 detects whether or not the copy guard is executed to input video signals. When it is detected that the copy guard is executed to the input video signals in the copy guard state detection part 5, an LED 7 is lighted or made to flicker. Further, when the copy guard is executed to the input video signals and a recorder 100 is in a recording state or a recording standby state, a display information generation part 8 generates display information for informing that the copy guard is executed to the input video signals and displays it at an LCD 10.
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