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1. 实用新型

JPS54108609U 失效
公开(公告)号：JPS54108609U
公开(公告)日：1979-07-31
申请号：JP206478
申请日：1978-01-13
IPC分类号： H04B1/66 , H04B1/00 , H04B14/04 , H04L25/16

2. 发明专利

JPS58218260A Compressed data decoding system 失效
标题翻译：压缩数据解码系统
公开(公告)号：JPS58218260A
公开(公告)日：1983-12-19
申请号：JP9983582
申请日：1982-06-10
申请人： Nec Home Electronics Ltd
发明人： OOTSUKI MITSUHIRO
IPC分类号： H04L23/00 , H03M7/42 , H04L25/16
CPC分类号： H03M7/30
摘要： PURPOSE:To realize the high speed decoding operation, by combining a controlling part, which performs some controlling operation and, an exclusive use decoding circuit. CONSTITUTION:The output (f) of a flip-flop circuit FF2, which is firstly set to the specific state and performs inverse operation according to a signal indicating the finish of decoding operation, assigns the kind of a compressed data. When a compressed data DAT(h) is given to a processor CPU through an input and output circuit I/O and a data bus DAB, a writing and reading pulse is transmitted, and an address assigning signal, which is synchronized with an address bus ADB, is transmitted. They are decoded by a decoder DEC to be given to one of OR gates G1-G4 so that a decoding operation is performed by an exclusive use decoding circuit.
摘要翻译：目的：通过组合执行一些控制操作的控制部分和专用解码电路来实现高速解码操作。构成：触发器电路FF2的输出（f）首先被设定为特定状态，并且根据表示解码操作完成的信号执行反向操作，分配压缩数据的种类。当通过输入和输出电路I / O和数据总线DAB将压缩数据DAT（h）提供给处理器CPU时，发送写入和读取脉冲以及与地址总线同步的地址分配信号 ADB，被传输。它们由解码器DEC解码以被提供给或门G1-G4中的一个，使得解码操作由专用解码电路执行。

3. 发明授权

US4271431A Scan converter utilizing discrete differentially coded signals 失效
标题翻译：扫描转换器利用离散的差分编码信号
公开(公告)号：US4271431A
公开(公告)日：1981-06-02
申请号：US950465
申请日：1978-10-11
申请人： George R. Steber
发明人： George R. Steber
IPC分类号： H04N7/36 , H04N5/02 , H04L25/16 , H04N7/12
CPC分类号： H04N19/503
摘要： A scan rate converter utilizing a discrete differential coding system as disclosed. The scan rate converter converts input FSTV and SSTV video information into discrete differential coded signals and stores these signals in a high speed memory. The stored video information is read out of the high speed memory at both a fast scan and a slow scan rate and is reconverted into respective FFST and SSTV output signals.
摘要翻译：利用如所公开的离散差分编码系统的扫描速率转换器。扫描速率转换器将输入FSTV和SSTV视频信息转换为离散差分编码信号，并将这些信号存储在高速存储器中。所存储的视频信息以快速扫描和慢速扫描速率从高速存储器中读出，并被转换成相应的FFST和SSTV输出信号。

4. 发明授权

US4317208A ADPCM System for speech or like signals 失效
标题翻译：用于语音或类似信号的ADPCM系统
公开(公告)号：US4317208A
公开(公告)日：1982-02-23
申请号：US79724
申请日：1979-09-28
申请人： Takashi Araseki , Kazuo Ochiai
发明人： Takashi Araseki , Kazuo Ochiai
IPC分类号： H03M3/04 , H04B14/06 , H04L25/16
CPC分类号： H03M3/042
摘要： An adaptive differential pulse code modulation (ADPCM) system includes a predictor which predicts a sample value based on past prediction errors and coefficients which are adaptively corrected to lessen the difference, i.e. the prediction error, between the predicted values and the actual values. The predictor is duplicated in the receiver, has no feedback loop and thus instability due to transmission errors is eliminated. The system can also include a second predictor whose output is combined with that of the first predictor to obtain the predicted value. The second predictor output is based on past sums of the prediction error and the predicted value and coefficients which are adaptively corrected. The second predictor is in a feedback loop but instability is prevented by choosing the coefficients used.
摘要翻译：自适应差分脉冲编码调制（ADPCM）系统包括预测器，该预测器基于过去的预测误差和自适应校正的系数预测样本值，以减小预测值和实际值之间的差异，即预测误差。预测器在接收机中重复，没有反馈环路，因此消除了由于传输错误导致的不稳定性。该系统还可以包括第二预测器，其输出与第一预测器的输出组合以获得预测值。第二预测器输出是基于预测误差和自适应校正的预测值和系数的过去和。第二个预测器处于反馈回路中，但是通过选择所使用的系数来防止不稳定性。

5. 发明专利

DE3068435D1 COMPRESSED DATA RESTORING SYSTEM 未知
公开(公告)号：DE3068435D1
公开(公告)日：1984-08-09
申请号：DE3068435
申请日：1980-08-15
申请人： FUJITSU LTD
发明人： YOSHIDA SHIGERU , KOSEKI MINORU , HORIE MASAKATSU
IPC分类号： H04N1/41 , H04N1/417 , G06K9/20 , H04B12/04 , H04L25/16
摘要： PCT No. PCT/JP80/00185 Sec. 371 Date Apr. 17, 1981 Sec. 102(e) Date Apr. 17, 1981 PCT Filed Aug. 15, 1980 PCT Pub. No. WO81/00659 PCT Pub. Date Mar. 5, 1981.A system for decoding compressed data comprising an address memory of a FIFO type or RAM type, and an addition/subtraction circuit in which addition/subtraction is carried out between the address of a reference color change element and a relative distance between the reference color change element and a color change element in question, so that position data for the color change element in question is obtained, and the obtained position data of the color change element in question is written-in to the address memory.

6. 发明专利

AU526155B2 COMPRESSED DATA RESTORING SYSTEM 未知
公开(公告)号：AU526155B2
公开(公告)日：1982-12-16
申请号：AU6221780
申请日：1980-08-15
申请人： FUJITSU LTD
发明人： YOSHIDA S KOSEKI M HORIE M
IPC分类号： G06K9/20 , H04N1/41 , H04N1/46 , H04B12/04 , H04L25/16

7. 发明专利

FR2445660A1 未知
公开(公告)号：FR2445660A1
公开(公告)日：1980-07-25
申请号：FR7836709
申请日：1978-12-28
申请人： PISSARD ANDRE
IPC分类号： H03M3/04 , H04B1/66 , H04B14/06 , H03K13/22 , H04L25/16

8. 发明专利

SU750751A1 DEVICE FOR PROCESSING AND REDUCING MEASUREMENT DATA REDUNDANCY 未知
公开(公告)号：SU750751A1
公开(公告)日：1980-07-23
申请号：SU2584490
申请日：1978-03-01
申请人： PILIPENKO TAISIYA D , MIRONOV IVAN , KOSTIN YURIJ N
发明人： PILIPENKO TAISIYA D , MIRONOV IVAN , KOSTIN YURIJ N
IPC分类号： H03M7/30 , H04L25/16

9. 发明授权

US4541101A Process and device for voice interpolation in a transmission system for digitized voice 失效
标题翻译：用于数字化语音的传输系统中语音插值的过程和设备
公开(公告)号：US4541101A
公开(公告)日：1985-09-10
申请号：US565715
申请日：1983-12-27
申请人： Jean Potage , Philippe Sidin
发明人： Jean Potage , Philippe Sidin
IPC分类号： H04B14/06 , H04L27/14 , H04B12/04 , H04B1/10 , H04L25/16
CPC分类号： H04B14/062 , H04L27/14
摘要： The interpolation device for the voice coded in DELTA transmission and transmitted on a fixed frequency or with frequency jumps carrier, comprises in parallel on a classic reception network, a jamming detection device being able to be constituted by a high-pass filter in order to detect the components outside the modulated signal band, a detector circuit with threshold fixing the level of the outside band components characterizing a jamming and possibly a monostable circuit. It comprises, furthermore, a rumbling generator that transmits to the input of the DELTA decoder a rumbling sequence in place of the sequence detected on a stage when this sequence is reckoned as jammed by means of a switch controlled by the output of the monostable circuit.
摘要翻译：用于在DELTA传输中以固定频率或频率跳变载波传输的语音编码的内插装置在经典接收网络上并行包括能够由高通滤波器构成的干扰检测装置，以便检测调制信号频带以外的组件，具有阈值固定外部频带组件的电平的检测器电路，表征干扰并且可能是单稳态电路。此外，它还包括一个隆起的发生器，代替DELTA解码器的输入，代替在通过由单稳态电路的输出控制的开关将该序列推测为卡住的阶段上检测到的序列时，发送一个隆隆序列。

10. 发明授权

US4489418A Differential encoding technique 失效
标题翻译：差分编码技术
公开(公告)号：US4489418A
公开(公告)日：1984-12-18
申请号：US486080
申请日：1983-04-18
申请人： James E. Mazo
发明人： James E. Mazo
IPC分类号： H04L25/48 , H04L27/34 , H04L25/16
CPC分类号： H04L27/3433
摘要： A stream of data to be transmitted is arranged in n streams of 2-bit words. Successive pairs of bits in each of those streams are differentially encoded by generating for each different combination of their values a predetermined one of the differentially encoded bit pairs (i,q), (q,i), (i,q) and (q,i) associated with that combination, where (i,q) is the previously generated differentially encoded bit pair. Words each comprised of the first (second) bit of a respective bit pair in each of the resulting n differentially encoded streams are then provided as n-bit words in a first (second) input stream for a two-dimensional channel coder. In the receiver, the channel decoder provides first and second streams of n-bit words. The bits of the latter are then arranged such that each word in the first (second) stream of channel-decoded words becomes the first (second) bit of a differentially encoded bit pair in a respective one of n differentially encoded bit pair streams. The pairs of bits in each of the n differentially encoded streams are then differentially decoded to recover the original data.
摘要翻译：要发送的数据流以2位字的n个流排列。通过针对每个不同的组合对差分编码的位对（i，q），（＆upbar＆q，i），（＆upbar＆i，＆upbar＆q）中的一个进行差分编码，和（q，＆upbar＆i）与该组合相关联，其中（i，q）是先前生成的差分编码比特对。然后，在二维通道编码器的第一（第二）输入流中，将由每个所产生的n个差分编码流中的相应位对的第一（第二）位构成的字作为n位字提供。在接收机中，信道解码器提供n位字的第一和第二流。然后布置后者的位，使得第一（第二）信道解码字中的每个字成为n个差分编码位对流中的相应一个中的差分编码比特对的第一（第二）比特。然后对n个差分编码流中的每一个中的位对进行差分解码以恢复原始数据。

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