公开(公告)号：JPS58215839A

公开(公告)日：1983-12-15

申请号：JP9951382

申请日：1982-06-10

Applicant: Toshiba Corp

Inventor： SUGIYAMA FUMIO ,  NAKAMURA MAKOTO ,  SUU HIROSHI

IPC: H03M1/12 ,  H04B1/66 ,  H04B14/04

CPC classification number: H04B1/66

Abstract: PURPOSE:To secure the quality of signal and to attain effective encoding, by detecting the period of pitch of a voice signal for obtaining an average power of the voice signal within a time being an integer multiple of the period of pitch, and encoding the result. CONSTITUTION:The voice signal (v) is applied to a pitch extracting circuit 1 and to an accumulating adder 3 via a delay circuit 2. Further, the circuit 2 supplies the voice signal (v) to the adder 3 until the circuit 1 detects the period of pitch of the voice signal (v). The adder 3 performs adding processing within a time being an integer multiple of the period of pitch, e.g., a time limited to N-times the time of the period of pitch, with counting a clock signal by means of a built-in counter. When the adder 3 obtains the amplitude voltage of the voice signal (v) and accumulates the voltage, the average voltage value of the voice signal (v) is obtained with a divider 4 dividing the summed value with the N. Thus, the average power of the voice signals within one frame is applied to the encoding circuit and the signals are encoded digitally at each frame.

Abstract translation: 目的：为了确保信号的质量并实现有效的编码，通过检测语音信号的间距周期，以获得语音信号的平均功率，作为音调周期的整数倍，并对结果进行编码 。 构成：语音信号（v）经由延迟电路2被施加到音调提取电路1和积累加法器3.此外，电路2将语音信号（v）提供给加法器3，直到电路1检测到 语音信号（v）的音调周期。 加法器3通过内置计数器对时钟信号进行计数，在时间周期的整数倍的时间内执行加法处理，例如，限制为间距周期的N倍的时间。 当加法器3获得语音信号（v）的振幅电压并累积电压时，用除法器4将求和值除以N获得语音信号（v）的平均电压值。因此，平均功率 一帧内的语音信号被施加到编码电路，并且信号在每帧被数字地编码。

公开(公告)号：JPH0772478A

公开(公告)日：1995-03-17

申请号：JP22089093

申请日：1993-09-06

Applicant: TOSHIBA CORP

Inventor： IKEDA MITSUSHI ,  SUZUKI KOHEI ,  SUGIYAMA FUMIO

IPC: G02F1/1335 ,  G02F1/13357

Abstract: PURPOSE:To improve a light utilization rate by condensing the light from a light source, then spectrally splitting the light to components of respective wavelengths of red, green and blue, modulating the light beams of the respective wavelengths with liquid crystals, reflecting these beams by a reflection plate, then condensing the light beams through the reverse optical paths and utilizing the light beams as display light beams. CONSTITUTION:The light entering from outside is condensed by a convex lens array 11 and is returned to parallel beams by a concave lens array 12. The parallel beams are spectrally split to the RGB components by an R transmission mirror 13 and a B transmission filter 13G. The spectrally split RGB components are made incident on a liquid crystal cell 14, by which the transmittance of the wavelengths of RGB is controlled. The light beams transmitted through the liquid crystal cell 14 are reflected by the reflection plate 15 disposed in the lower part of a cell. The reflected light beams of the respective components pass exactly the reverse routes, i.e., pass the liquid crystal cell 14, the respective arrays 13R, 13G, 13B, the concave lenses 12 and the convex lenses 11 in this order until the light beams are made incident on the reflection plate 15, from which the light beams are projected outside.

公开(公告)号：JPH04131969A

公开(公告)日：1992-05-06

申请号：JP25181390

申请日：1990-09-25

Applicant: TOSHIBA CORP

Inventor： SUGIYAMA FUMIO

IPC: G06F17/30 ,  G06T1/00

Abstract: PURPOSE:To obtain a picture information processor superior in portability and operability with the rich power of expression of information by providing a storing means, a selecting means to select arbitrary picture information from many pieces of the picture information stored by the storing means and a dis play means to display the picture information selected by the selecting means as visible information. CONSTITUTION:A controller 1 controls a reproducing device 3 and a display device 7 through a picture processor 5. The reproducing device 3 includes a storing means and information engaged in a still picture 5a and information engaged in a moving picture 5b supplied from an external picture information processor, etc., are stored in it. The arbitrary picture information is selected from many pieces of the picture information stored in the reproducing device 3 and the selected moving picture information and the still picture information are displayed on the display device 7 as visible information. Accordingly, the required picture information can be viewed as the visible information with such a sense to read a reprint series. Thus, the miniature picture information processor superior to operability with large display effect can be obtained.

公开(公告)号：JPS63197185A

公开(公告)日：1988-08-16

申请号：JP3028187

申请日：1987-02-12

Applicant: TOSHIBA CORP

Inventor： OZEKI KAZUO ,  SUGIYAMA FUMIO ,  DATAKE KENJI

IPC: H04N19/60 ,  H04B14/06 ,  H04N19/107 ,  H04N19/109 ,  H04N19/132 ,  H04N19/136 ,  H04N19/137 ,  H04N19/189 ,  H04N19/196 ,  H04N19/423 ,  H04N19/503 ,  H04N19/593 ,  H04N19/61 ,  H04N19/625

Abstract: PURPOSE:To realize high encoding efficiency in spite of the state of an image, by selecting an orthogonal transform data of minimum differential quantity by an arithmetic means, and coding the differential signal. CONSTITUTION:By taking a difference between the orthogonal transform data and plural data by differentiators 103-106, and selecting the data with the highest efficiency by a selector 108 based on prescribed reference, coding as a differential data is applied. In other words, plural data are the orthogonal transform data of the same block of all of the frames, the orthogonal transform data of the partial block of a present frame, the orthogonal transform data of a background image consisting of a temporally integrated background image or an image block at a specific time, and the orthogonal transform data at the specific time. Thus, by using the orthogonal transform data consisting of the temporally integrated background image or the image block at the specific time, the differential data goes to a very small value when a certain image part is returned to its original position in the reciprocal movement of the certain image part, then, it is possible to improve the coding efficiency more remarkably than the orthogonal transform data at the same position of all of the frames.

公开(公告)号：JPS63191488A

公开(公告)日：1988-08-08

申请号：JP2239887

申请日：1987-02-04

Applicant: TOSHIBA CORP

Inventor： OZEKI KAZUO ,  DATAKE KENJI ,  SUGIYAMA FUMIO

IPC: H04N19/00 ,  H03M7/30 ,  H04N1/41 ,  H04N19/115 ,  H04N19/126 ,  H04N19/132 ,  H04N19/134 ,  H04N19/15 ,  H04N19/189 ,  H04N19/196 ,  H04N19/423 ,  H04N19/503 ,  H04N19/51 ,  H04N19/587 ,  H04N19/59 ,  H04N19/60 ,  H04N19/61 ,  H04N19/625 ,  H04N19/85

Abstract: PURPOSE:To handle wide-range transmission speeds by setting the rate of a decrease in the minimum value of the number of pictures to a decrease in transmission speed larger than the rate of a decrease in resolution. CONSTITUTION:When the resolution of a picture and the minimum setting of the number of pictures in a prescribed time are varied according to the transmission speed, the rate of a decrease in the setting of the minimum value of the number of pictures to the transmission speed is set larger than the rate of the decrease in resolution. Namely, the resolution determined the number of picture elements, the accuracy of quantization, etc., the minimum value of the number of pictures in a prescribed time, i.e. frame omission quantity among elements prescribing a picture are considered not to vary the resolution and frame omission quantity in proportion to the transmission speed, but to suppress the decrease in the resolution to a certain constant speed and decrease the minimum value of the number of pictures at a large rate, namely, increase the frame omission quantity even at a low transmission speed. Therefore. the motion of a picture is not smooth owing to an increase in the frame omission quantity, but the picture quality is maintained and does not deteriorate.

公开(公告)号：JPS633586A

公开(公告)日：1988-01-08

申请号：JP14606886

申请日：1986-06-24

Applicant: TOSHIBA CORP

Inventor： SUGIYAMA FUMIO

IPC: H04N7/26 ,  H04N7/32

Abstract: PURPOSE:To properly encode and transmit significant moving area image information even in case of quick increase of a moving area by controlling the quantity of significant moving area image information in accordance with the change with time of the quantity of stored contents of a transmission buffer. CONSTITUTION:In a control circuit 20 of an encoder, a threshold table 24 is accessed by a field synchronizing signal to output a threshold corresponding to the quantity of stored contents of a buffer memory 15 at the time of field start. The quantity of stored contents of the memory 15 at the time of field start is stored in a start storage circuit 21, and a buffer capacity is monitored by a comparing circuit 22. The circuit 22 compares the initial buffer capacity with the buffer capacity after a prescribed time, and an up signal indicating quick increase of motion is outputted as a comparison signal when the difference exceeds a prescribed value. This up signal is added to the output from the table 24 to raise the threshold level by one step, and the quantity of generated information is reduced.

公开(公告)号：JPS62230276A

公开(公告)日：1987-10-08

申请号：JP7297286

申请日：1986-03-31

Applicant: TOSHIBA CORP

Inventor： SUGIYAMA FUMIO

IPC: H04N1/41 ,  H04N7/00 ,  H04N19/60

Abstract: PURPOSE:To obtain an excellent quality of a picture by applying the filtering that suppresses a block-distortion to only such a part of data that may include a large influence of block-distortion, thereby reducing the block-distortion with out spoiling the definition of the picture. CONSTITUTION:An A/D-converted picture signals are supplied to a block divid ing circuit 2, and divided into blocks that are constituted by, for example, 8X8, total 64 picture elements. These divided picture information are cosine- converted by a cosine converting circuit 3 in the unit of block, and furthermore encoded by an encoding circuit 4, then transmitted. On the reception-side, the data is decoded by a decoding circuit 6 in the unit of block, and the result is supplied to an inverse cosine convertion circuit 7. The data are combined into the picture information of one picture by a block integrating circuit 8. An adaptive LPF 9 switches its own internal filters to fit to the boudary-vicinity part of other parts of a block based on the control of a control circuit 10, and executes different filtering processings.

公开(公告)号：JPS6260320A

公开(公告)日：1987-03-17

申请号：JP20000585

申请日：1985-09-10

Applicant: TOSHIBA CORP

Inventor： NAKAMURA MAKOTO ,  SUGIYAMA FUMIO

IPC: H03M13/00

Abstract: PURPOSE:To ensure the error position of 2-bit or over simply by giving a syndrome to an address of a storage device and outputting a data representing the bit error location decided by a syndrome from the storage device. CONSTITUTION:A received data M'(X) is inputted to a syndrome detection circuit 11 in an error correction circuit to obtain a syndrome S(X). An error position detection ROM 12 uses the syndrome S(X) as an address input and a data E(X) representing the bit error location specified by the syndrome S(X) is outputted. That is, each data is stored in a storage location of the ROM 12 addressed by using the syndrome corresponding to all bit errors. Then the error bit of the received data M'(X) is inverted by a circuit composing of the error bit inverting circuit 13 based on all data E(X). Thus, the error correction is applied without a complicated algorithm and then the circuit constitution is simplified and the reliability is improved.

公开(公告)号：JPS61269475A

公开(公告)日：1986-11-28

申请号：JP11091585

申请日：1985-05-23

Applicant: TOSHIBA CORP ,  JAPAN BROADCASTING CORP

Inventor： KASA HIROSHI ,  SUGIYAMA FUMIO ,  NINOMIYA YUICHI ,  OTSUKA YOSHIMICHI ,  IZUMI YOSHINORI ,  GOSHI SEIICHI

IPC: H04N7/00 ,  H04N19/50

Abstract: PURPOSE:To perform precise detection without any influence of the motion, etc., of a pattern and a body by dividing the image surface of each frame vertically and horizontally by equal area and computing the correlation between pieces of image information of two frames which continues in terms of time independently and respectively. CONSTITUTION:A correlator 7 calculates the correlation between the image information of the current frame inputted to an input terminal 1 and image information of the representative point of the last frame from a latch circuit 6 as to divided image surfaces B1-B2. A correlativity effective/ineffective decision circuit 10 decides whether or not a candidate vector delta of each divided image surface is effective or not on the basis of a correlative value rhoij outputted from an integrating adder 8 and outputs a decision signal D to a decision circuit 11. The decision circuit 11 calculates a dynamic vector according to correlative value rhoij obtained among remaining divided image planes and corresponding deviation on the basis of the decision signal D without using a correlative value rhoij obtained as to a divided image surface whose candidate vector delta is judged to be ineffective.

公开(公告)号：JPS58194455A

公开(公告)日：1983-11-12

申请号：JP7516382

申请日：1982-05-07

Applicant: Toshiba Corp

Inventor： KODAMA JIYUN ,  SUGIYAMA FUMIO ,  TAKIGUCHI MASAHISA

IPC: H04M19/00

CPC classification number: H04M19/001

Abstract: PURPOSE:To constitute a feeding circuit with use of a miniature transistor, by protecting the transistor which feeds a DC power supply when a telephone circuit is short-circuited. CONSTITUTION:First the base currents of transistors TR103 and 108 flow to turn on these TRs. Then a DC current is supplied to a telephone 1. While a transformer 5 transmits an AC signal. In this case, circuits 102 and 107 have no AC loss for their feeding circuits since they have high impedance in terms of AC. If a telephone circuit is short-circuited, the voltage generated across a resistance 109 increases. Then a signal of H level is transmitted from a comparator 12. This signal turns on a thyristor 113 and turns off the TR108 respectively. As a result, the current flowed out of a plus power supply is supplied to a minus power supply through the TR103, the telephone 1, a resistance 110 and the thyristor 113. Therefore the TR108 is turned off, and the resistance 110 of high resistance value is connected in series to the TR103. Thus both TRs can be protected.

Abstract translation: 目的：构成使用微型晶体管的馈电电路，通过保护当电话电路短路时馈送直流电源的晶体管。 构成：首先，晶体管TR103和108的基极电流流过以导通这些TR。 然后将DC电流提供给电话机1.变压器5发送AC信号。 在这种情况下，电路102和107对于它们的馈电电路没有AC损耗，因为它们在AC方面具有高阻抗。 如果电话电路短路，则跨越电阻109产生的电压增加。 然后从比较器12发送H电平的信号。该信号接通晶闸管113并分别关断TR108。 结果，从正电源流出的电流通过TR103，电话机1，电阻110和晶闸管113提供给负电源。因此，TR108被关断，高电阻的电阻110 值与TR103串联。 因此，两个TR都可以被保护。