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公开(公告)号:SG67899A1
公开(公告)日:1999-10-19
申请号:SG1996004715
申请日:1990-03-23
Applicant: MOTOROLA INC
Inventor: TONG HING YIP , KWAN TAK MING , LUNN GERALD KEITH
Abstract: A TV receiver including a microprocessor (15) and on screen display circuitry (20) on a single semiconductor chip. The OSD includes half dot logic and shifting circuitry (32, 34) to smooth the characters with a minimum of storage capacity required and the half dot logic is used in an edge enchancing circuit (75) to generate a black surround. A simplified window generator (36) is combined therewith to further improve the characters.
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公开(公告)号:DE69033156T2
公开(公告)日:2000-01-27
申请号:DE69033156
申请日:1990-03-23
Applicant: MOTOROLA INC
Inventor: TONG HING YIP , LUNN GERALD K , KWAN TAK MING
Abstract: A TV receiver including a microprocessor (15) and on screen display circuitry (20) on a single semiconductor chip. The OSD includes half dot logic and shifting circuitry (32, 34) to smooth the characters with a minimum of storage capacity required and the half dot logic is used in an edge enchancing circuit (75) to generate a black surround. A simplified window generator (36) is combined therewith to further improve the characters.
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公开(公告)号:DE69033160D1
公开(公告)日:1999-07-22
申请号:DE69033160
申请日:1990-03-15
Applicant: MOTOROLA INC
Inventor: LUNN GERALD W , TONG HING YIP
Abstract: A television receiver including a MPU (15) with OSD cicuitry (20) on a single chip. The OSD circuitry includes multisystem detection circuitry (22) which counts the number of horizontal lines between vertical flyback pulses to determine the vertical frequency of the received standard signal and measures the time of a horizontal line using a fixed frequency signal to determine the horizontal frequency of the received standard signal and uses this information to control the outputs of a PLL (21) to synchronize the receiver to the received standard. The PLL includes a VCO (35) having a constant offset current applied to the control terminal to prevent alternating phases of the output control signal from the loop phase detector (39), which alternating phases cause jitter in the display.
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公开(公告)号:DE69034097T2
公开(公告)日:2004-04-01
申请号:DE69034097
申请日:1990-03-23
Applicant: MOTOROLA INC
Inventor: TONG HING YIP , KWAN TAK MING , LUNN GERALD K
Abstract: A TV receiver including a microprocessor (15) and on screen display circuitry (20) on a single semiconductor chip. The OSD includes half dot logic and shifting circuitry (32, 34) to smooth the characters with a minimum of storage capacity required and the half dot logic is used in an edge enchancing circuit (75) to generate a black surround. A simplified window generator (36) is combined therewith to further improve the characters.
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公开(公告)号:DE69034097D1
公开(公告)日:2003-10-02
申请号:DE69034097
申请日:1990-03-23
Applicant: MOTOROLA INC
Inventor: TONG HING YIP , KWAN TAK MING , LUNN GERALD K
Abstract: A TV receiver including a microprocessor (15) and on screen display circuitry (20) on a single semiconductor chip. The OSD includes half dot logic and shifting circuitry (32, 34) to smooth the characters with a minimum of storage capacity required and the half dot logic is used in an edge enchancing circuit (75) to generate a black surround. A simplified window generator (36) is combined therewith to further improve the characters.
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公开(公告)号:DE69033156D1
公开(公告)日:1999-07-15
申请号:DE69033156
申请日:1990-03-23
Applicant: MOTOROLA INC
Inventor: TONG HING YIP , LUNN GERALD K , KWAN TAK MING
Abstract: A TV receiver including a microprocessor (15) and on screen display circuitry (20) on a single semiconductor chip. The OSD includes half dot logic and shifting circuitry (32, 34) to smooth the characters with a minimum of storage capacity required and the half dot logic is used in an edge enchancing circuit (75) to generate a black surround. A simplified window generator (36) is combined therewith to further improve the characters.
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公开(公告)号:DE69033160T2
公开(公告)日:2000-01-27
申请号:DE69033160
申请日:1990-03-15
Applicant: MOTOROLA INC
Inventor: LUNN GERALD W , TONG HING YIP
Abstract: A television receiver including a MPU (15) with OSD cicuitry (20) on a single chip. The OSD circuitry includes multisystem detection circuitry (22) which counts the number of horizontal lines between vertical flyback pulses to determine the vertical frequency of the received standard signal and measures the time of a horizontal line using a fixed frequency signal to determine the horizontal frequency of the received standard signal and uses this information to control the outputs of a PLL (21) to synchronize the receiver to the received standard. The PLL includes a VCO (35) having a constant offset current applied to the control terminal to prevent alternating phases of the output control signal from the loop phase detector (39), which alternating phases cause jitter in the display.
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公开(公告)号:SG67898A1
公开(公告)日:1999-10-19
申请号:SG1996004695
申请日:1990-03-15
Applicant: MOTOROLA INC
Inventor: LUNN GERALD KEITH , TONG HING YIP
Abstract: A television receiver including a MPU (15) with OSD cicuitry (20) on a single chip. The OSD circuitry includes multisystem detection circuitry (22) which counts the number of horizontal lines between vertical flyback pulses to determine the vertical frequency of the received standard signal and measures the time of a horizontal line using a fixed frequency signal to determine the horizontal frequency of the received standard signal and uses this information to control the outputs of a PLL (21) to synchronize the receiver to the received standard. The PLL includes a VCO (35) having a constant offset current applied to the control terminal to prevent alternating phases of the output control signal from the loop phase detector (39), which alternating phases cause jitter in the display.
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