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    • 21. 发明授权
    • Luminance/chrominance signal separation circuit having filter circuit
using pulse patterns suppressing circuit
    • 具有使用脉冲图案抑制电路的滤波电路的亮度/色度信号分离电路
    • US5231479A
    • 1993-07-27
    • US597411
    • 1990-10-15
    • Hitoaki OwashiKooji MinabeKatsuyuki WatanabeKoichi OnoKenji IchigeHiroto Yamauchi
    • Hitoaki OwashiKooji MinabeKatsuyuki WatanabeKoichi OnoKenji IchigeHiroto Yamauchi
    • H04N9/78
    • H04N9/78
    • A color picture signal processing circuit, a filter circuit and a luminance/carrier chrominance signal separation circuit implemented by employing the filter circuit. The circuit processing signal includes an adaptive-type (C) comb line filter through which the luminance signal is caused to pass. The output of the filter undergoes amplitude limitation in a limiter circuit, the output of which is subtracted from the original luminance signal. The carrier chrominance signal is added to the luminance signal to obtain a composite picture signal. The filter circuit is comprised of a pulse pattern suppressing circuit including a decision circuit for deciding which of positive and negative patterns the three adjacent data form constitute, a positive pulse pattern suppressing circuit, a negative pulse pattern suppressing circuit and a circuit selecting for either one of the output signal of the positive and negative pulse pattern suppressing circuits in accordance with the result of decision made by the decision circuit.
    • 通过采用滤波电路实现的彩色图像信号处理电路,滤波电路和亮度/载波色度信号分离电路。 电路处理信号包括使亮度信号通过的自适应型(C)梳状线滤波器。 滤波器的输出在限幅器电路中经受幅度限制,其输出从原始亮度信号中减去。 载波色度信号被加到亮度信号上以获得一个合成图像信号。 滤波器电路包括脉冲图形抑制电路,该脉冲图案抑制电路包括用于决定构成三个相邻数据形式的正和负图案中的哪一个的判定电路,正脉冲图案抑制电路,负脉冲图案抑制电路和用于任一个的电路选择 根据判定电路的判定结果,判定正,负脉冲图案抑制电路的输出信号。
    • 22. 发明授权
    • Color light-sensitive material with infrared dye releaser
    • 带红外线染色剂的彩色感光材料
    • US5100759A
    • 1992-03-31
    • US391905
    • 1989-08-10
    • Kozo SatoHiroshi HaraKoki NakamuraMasaaki TsukaseKatsuyuki Watanabe
    • Kozo SatoHiroshi HaraKoki NakamuraMasaaki TsukaseKatsuyuki Watanabe
    • C09B29/28C09B55/00G03C8/10
    • G03C8/10C09B29/28C09B55/009Y10S430/145
    • A silver halide color light-sensitive material comprising a support having thereon at least a silver halide and an infrared-absorbing image-forming compound represented by formula (I):(Dye --X).sub.q --Y (I)wherein Dye represents an infrared-absorbing dye group or an infrared-absorbing dye precursor group derived from a compound represented by formula (II)A, (II)B or (II)C; X represents a chemical bond or a connecting group; Y represents a group capable of making a difference in the diffusibility of the dye component of said compound represented by formula (I) between before and after the reaction with the silver halide having a latent image in correspondence or counter correspondence to the silver halide; having a latent image and q represents an integer 1 or 2, and when q is 2, the two (Dye-X) groups may be the same or different: ##STR1## wherein R.sup.1A and R.sup.2A may be the same or different and each represents a substituent as defined in the specification; and Ar represents an aryl group or a heterocyclic group, which substituents may be further substituted by other substituents; ##STR2## wherein R.sup.1B has the same meaning as R.sup.1A ; R.sup.2B represents a substituent selected from the group consisting of an alkyl group, an aryl group, a heterocyclic group, an alkoxy group and an amino group; and R.sup.3B represents a substituent as defined in the specification; ##STR3## wherein R.sup.1C and R.sup.2C may be the same or different and each has the same meaning as R.sup.1A ; and m and n each represents an integer of from 0 to 4, with the proviso that if m and n each is 2 to 4, the plurality of substituents may be the same or different, these substituents may be further substituted by other substituents;Dye and X may be bonded to each other in any position in formulas (II)A, (II)B and (II)C.
    • 一种卤化银色感光材料,其包括其上至少具有卤化银的载体和由式(I)表示的红外线吸收成像化合物:(染料-X)q -Y(I),其中染料表示红外 衍生自由式(II)A,(II)B或(II)C表示的化合物的吸收染料基团或红外线吸收染料前体基团; X表示化学键或连接基团; Y表示与卤化银对应或反对应的具有潜像的卤化银的反应前后,能够使由式(I)表示的所述化合物的染料组分的扩散性差异的基团; 具有潜像,q表示整数1或2,当q为2时,两(Dye-X)基可以相同或不同:其中R1A和R2A可以相同或不同, 各自表示说明书中定义的取代基; Ar表示芳基或杂环基,该取代基可以被其它取代基进一步取代; (II)B其中R1B与R1A具有相同的含义; R2B表示选自烷基,芳基,杂环基,烷氧基和氨基的取代基。 R3B表示本说明书中定义的取代基; (II)C其中R 1 C和R 2 C可以相同或不同,并且各自具有与R 1A相同的含义; m和n各自表示0至4的整数,条件是如果m和n各自为2至4,则多个取代基可以相同或不同,这些取代基可以进一步被其它取代基取代; 染料和X可以在式(II)A,(II)B和(II)C中的任何位置彼此键合。
    • 24. 发明授权
    • Magnetic recording/reproducing apparatus
    • 磁记录/再现装置
    • US4740847A
    • 1988-04-26
    • US854023
    • 1986-04-21
    • Katsuyuki WatanabeShinji OzakiYoshizumi Watatani
    • Katsuyuki WatanabeShinji OzakiYoshizumi Watatani
    • G11B5/008G11B5/024G11B5/53G11B15/14G11B5/03
    • G11B5/024G11B15/14G11B5/0086G11B5/00878G11B5/531
    • A magnetic recording/reproducing apparatus in which at least two recording and reproducing magnetic heads are mounted on a rotatable cylinder with an angular distnce of 180.degree. therebetween, wherein audio signals having undergone a pulse code modulation are recorded on record tracks slanted relative to the longitudinal direction of a magnetic tape wrapped around the rotatable cylinder. The record track is divided trackwise into a plurality of channels. The audio signals are recorded on the channel basis. The magnetic tape is transported in a forward or backward direction while recording or reproduction is conducted. The rotatable cylinder has mounted thereon a first erasing head rendered operative when the magnetic tape is transported in the forward direction and a second erasing head operative when the magnetic tape is transported in the backward direction for erasing only the audio signal of a given channel on the record track.
    • 一种磁记录/再现装置,其中至少两个记录和再现磁头安装在可旋转的圆柱体上,其间具有180°的角度偏转,其中已经经过脉码调制的音频信号被记录在相对于纵向倾斜的记录轨道上 缠绕在可旋转圆筒上的磁带的方向。 记录轨道被跟踪地分成多个通道。 音频信号以通道为基础记录。 在进行记录或再现时,磁带以向前或向后方向传送。 可旋转的圆筒上安装有当磁带沿正向传送时可操作的第一擦除头和当磁带沿向后方向传送时可操作的第二擦除头,仅擦除给定通道的音频信号 记录轨道。