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    • 4. 发明专利
    • VIDEO SIGNAL MEASURING INSTRUMENT
    • JPS63204893A
    • 1988-08-24
    • JP3621387
    • 1987-02-19
    • SONY CORP
    • OKUDA HIROYUKINARITA ATSUO
    • H04N17/06
    • PURPOSE:To always obtain a stable sampling clock by deciding whether or not the main output of a second PLL circuit is in a regulated value between synchronizing signals, and switching the inputs to a first and the second PLL circuits by the output of said decision. CONSTITUTION:A synchronizing signal deciding means 9 counts the main output of the second PLL circuit 13 i.e. the output of an oscillator 13d, and decides whether or not the counting is in the regulated value; if it is, the synchronizing signal is normal, and the means 9 supplies the synchronizing signal to the second PLL circuit 13 via a switching means 12. Also, if the counting value is out of the regualted value, the synchronizing signal is abnormal, and the frequency division output of the first PLL circuit 10 is supplied to the second PLL circuit 13 via the switching means. When the counting value is in the regulated value, a synchronizing signal is supplied to the first PLL circuit 10, and if not in the regulated value, the supply of synchronizing signal is interrupted. As a result, always stable sampling clocks suitable for the digitizing of data can be generated.
    • 7. 发明专利
    • RECEIVING APPARATUS
    • JPH11306739A
    • 1999-11-05
    • JP11520598
    • 1998-04-24
    • SONY CORP
    • OKUDA HIROYUKI
    • G11B27/02G11B27/034H04B1/16
    • PROBLEM TO BE SOLVED: To not only display, but effectively utilize character information by preserving the character information extracted from a received broadcast in a memory means and using the preserved character information for various processes in accordance with operations afterwards. SOLUTION: When a character take mode is set at the reception of a broadcast, a decoded character information decoded by a character decode part 35 is subjected to a display process and transferred to an MD controller 11. The MD controller 11 analyzes the supplied character information when the information is transferred from a tuner controller 31, and judges whether or not the character information is a character string usable to record to a disk 90. If the character information is judged to conform to a mini disk system, a required code conversion process is carried out and the character information is stored in a character memory 22. The character information stored in the character memory 22 is optionally utilizable by a user afterwards.
    • 8. 发明专利
    • VIDEO SIGNAL MEASURING INSTRUMENT
    • JPS63204892A
    • 1988-08-24
    • JP3621287
    • 1987-02-19
    • SONY CORP
    • OKUDA HIROYUKINARITA ATSUO
    • H04N17/06
    • PURPOSE:To select a field by means of a simple common circuit by discriminating a field from a composite synchronizing signal separated from a video signal, selecting an arbitrary field from thus obtained discrimination output, and making the selected arbitrary field a field reference for determining a sample area. CONSTITUTION:A signal S2 related to the vicinity of boundary of respective fields is formed out of a composite synchronizing signal separated from a video signal, and by counting this signal S2 by a counter 40, the field-discrimination is made possible at the output side of a field discrimination circuit 15. The output of this field-discrimination and a control signal in a specific pattern are logically processed to select a specific field. Thus selected field is made as a field reference which is one of the factors to form a sample area. In such a way, one same circuit is made usable either in the normal reproduction mode or the varied-speed reproduction mode, hence the circuit constitution of the titled device can be simplified, and the cost can be reduced.