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公开(公告)号：BR7400446D0
公开(公告)日：1974-11-05
申请号：BR44674
申请日：1974-01-22
Applicant: MOTOROLA INC
IPC: H04N5/21
Abstract: Unwanted noise components in a derived composite video signal are processed in a novel noise processing circuit to effectively minimize the otherwise deleterious effects on the operation of associated electronic apparatus, such as a television receiver or the like. The circuit arrangement is such that a control signal of a selectably fixed amplitude is developed in response to each such unwanted noise component above a set, predetermined amplitude. The derived control signals are then substituted in place of such undesired noise components, on a one for one basis. A feature of the invention is that the derived control signals replacing the noise components are effected at an intermediate, or gray level, with respect to the video information being displayed and thereby minimizes the overall visual impact that would otherwise be evident.
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Patent Agency Ranking
公开(公告)号：ZA81854B
公开(公告)日：1982-03-31
申请号：ZA81854
申请日：1981-02-09
Applicant: MOTOROLA INC
Inventor： HILBERT F
IPC: H04H20/88 , H01L31/112 , H04H1/00 , H04H20/49 , H04H5/00
Abstract: A decoder for use with a compatible AM stereophonic signal utilizes a amplifier and a feedback loop from the amplifier output to control the output of a multiplier circuit which is one input to the amplifier. The amplifier output is thus forced to become the required correction factor used in restoring the stereo program signals.
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公开(公告)号：ZA8100854B
公开(公告)日：1982-03-31
申请号：ZA8100854
申请日：1981-02-09
Applicant: MOTOROLA INC
Inventor： HILBERT F
IPC: H04H20/88 , H01L31/112 , H04H1/00 , H04H20/49 , H04H5/00
CPC classification number: H04H20/49 , H01L31/1123
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公开(公告)号：BR6683043D0
公开(公告)日：1973-09-06
申请号：BR18304366
申请日：1966-10-24
Applicant: MOTOROLA INC
Inventor： HILBERT F
IPC: H04N11/14
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