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    • 22. 发明专利
    • KANA-KANJI CONVERSION PROCESSING DEVICE
    • JPS6039227A
    • 1985-03-01
    • JP14705183
    • 1983-08-11
    • RICOH KK
    • NUMATA YASUYUKIYAMAUCHI YOSHITOSHIFUJITA KATSUHIKO
    • G06F17/22G06F3/02
    • PURPOSE:To perform soft word confirming processing by confirming at least the 1st word of a maximum likelihood candidate word string not confirmed when the content of an evaluation value accumulating section exceeds a threshold value. CONSTITUTION:A Kanji (Chinese character) is extracted from a Kana (Japanese syllabary) character string inputted to an input character string buffer 1 via a dictionary retrieval section 2, stored in a word buffer 3, the extracted words are checked for the propriety of connection, a connectable word is stored in a connectable buffer 5, its output is recognized (6) for appearance probability, and after the result is fed to a word buffer 7, the appearance probability is evaluated (8) totally and an evaluated value H is given. A maximum likelihood candidate word is extracted (21) based on the value H, the evaluated value of the maximum likelihood candidate word is accumulated (22), the content of the accumulating section 22 is compared with a threshold value of a threshold value storage section 23 establishing the confirming condition of the extracted word. When an output of the accumulation section 22 exceeds the threshold value, the 1st word of the maximum likelihood candidate word string not confirmed is confirmed (27).
    • 26. 发明专利
    • VIDEO INFORMATION CODING METHOD
    • JPS56169966A
    • 1981-12-26
    • JP7405280
    • 1980-06-02
    • RICOH KK
    • YAMAUCHI YOSHITOSHI
    • H03M5/04H04N1/41
    • PURPOSE:To effectively encode a density level of multi-tone, by combining coded binary data, through coding of the run length of a changing picture between white and black level video elements at the run of every video information and coding of the interval of appearance of the video elements of intermediate tone level. CONSTITUTION:A video signal read in the video element unit with a scanner 1 of a transmission side A is quantized at an A/D converter 2 in multi-value, and it is fed to a data compressor 3 via an SW1, and it is fed to a one line buffer register 4, and the signal for one line's share is stored temporarily and concentratingly. Further, the video information for one line's share is coded at the compressor 3 to store it temporarily at a buffer circuit 5 for sequential line speed conversion. Next, when the processing for one line's share is finished, the switch SW1 is selected, the content of the register 4 is fed to the compressor 3 to be applied to the circuit 5 after being coded according to another process. Further, the coded binary data with respective processes is combined and the density level of multi-tone is effectively coded and fed to an MODEM6.
    • 27. 发明专利
    • DATA COMPRESSION METHOD FOR PICTURE PROCESSING
    • JPS56149865A
    • 1981-11-19
    • JP5371780
    • 1980-04-23
    • RICOH KK
    • YAMAUCHI YOSHITOSHI
    • G06T9/00H04N1/41
    • PURPOSE:To execute the compression by quantizing an analog signal to multiple- gradation, using a displacement form code for the part where the gradation is varied by every scanning step, and using a run-length code for the part having the same gradation, in case when using a data compression system for the processing of a picture. CONSTITUTION:The optical information PS is converted to an electric signal by the photoelectric element 10, is amplified by the amplifier 11, is converted to four- valued information DL0-DL3 by the level discriminator 12, and is input to the gate circuit 13. Either two-valued or four-valued information compression is decided by a signal of the switching circuit 14, the output of the gate circuit is input to the shift registers 15-19, the outputs of the shift registers 15-17 are input to the comparator 23 and are compared, the output of the shift registers 16-19 are input to the displacement form code (TFC) encoder 24, and the information from the CPU21 is transmitted to the receiving equipment 31 through the transmission equipment 30. When the comparator 23 outputs a coincidence output, the number of the counter 22 showing the number of coincidence pieces is run-length-encoded by the CPU21, and in case of noncoincidence, the TFC code is output to the CPU21 from the encoder 24.
    • 30. 发明专利
    • INDEX SHEET OF CHINESE CHARACTER MNEMONIC CODE OF JAPANESE LANGUAGE INPUT DEVICE
    • JPS5665231A
    • 1981-06-02
    • JP14110679
    • 1979-10-31
    • RICOH KK
    • YAMAUCHI YOSHITOSHIYAMADA TOSHIAKIKOJIMA FUMIYO
    • G06F17/22G06F3/02
    • PURPOSE:To make it possible to detect in a short time a mnemonic code of the character to be derived, by arraying the characters of a same sound in order of appearance frequency, dividing them into (n) groups, and arraying the characters of a same sound among each group, at the almost same level in the horizontal direction. CONSTITUTION:Among the Chinese characters to be used for a Japanese sentence, the Chinese characters of line are respectively arrayed in order of appearance frequency. And the Chinese characters of the column of ''a'' and the line of ''a'' arrayed in order of the appearance frequency groups are divided into three, and are classified into the groups of A, B and C in order of frequency. In the same way, the Chinese characters of the column of ''i'' are also classified into the groups of A, B and C. In this way, the Chinese characters of the highest frequency are arrayed as one group in the group A, the Chinese characters of high frequency next to said group are arrayed in the group B, and the Chinese characters of low appearance frequency are arrayed in the group C. In this way, a mnemonic code of the character to be derived can be detected in a short time by arranging the characters of a same sound in order of appearance frequency, dividing them into (n) groups, and arraying the characters of a same sound among each group, at the almost same level in the horizontal direction.