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公开(公告)号：AU650163B2
公开(公告)日：1994-06-09
申请号：AU2246392
申请日：1992-04-17
Applicant: MOTOROLA INC
Inventor： LAURO GEORGE L , MENICK RALPH E
Abstract: An electronic direction finder (10) includes a navigation receiver (28) and a compass (32) to generate a bearing signal that indicates that direction of a desired destination. The bearing signal is received by a display driver (34) which causes an electronic display (14) to generate a visible image of a rotatable pointer that points in the direction of the user's desired destination. Preferably, the display also shows an electronic compass card indicating the direction of north.
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Patent Agency Ranking
公开(公告)号：CA1221443A
公开(公告)日：1987-05-05
申请号：CA485880
申请日：1985-06-28
Applicant: MOTOROLA INC
Inventor： MENICK RALPH E
Abstract: LORAN C CYCLE SLIP REDUCTION TECHNIQUE In accordance with the present invention, there is provided a Loran C cycle slip reduction technique that consists of sensing the signal to noise ratio and narrowing the phase locked loop bandwidth when a predetermined signal-to-noise threshold is exceeded. Drawings
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公开(公告)号：CA2102505C
公开(公告)日：1995-11-14
申请号：CA2102505
申请日：1992-04-17
Applicant: MOTOROLA INC
Inventor： LAURO GEORGE L , MENICK RALPH E
Abstract: An electronic direction finder (10) includes a navigation receiver (28) and a compass (32) to generate a bearing signal that indicates that direction of a desired destination. The bearing signal is received by a display driver (34) which causes an electronic display (14) to generate a visible image of a rotatable pointer that points in the direction of the user's desired destination. Preferably, the display also shows an electronic compass card indicating the direction of north.
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公开(公告)号：CA2102505A1
公开(公告)日：1992-12-04
申请号：CA2102505
申请日：1992-04-17
Applicant: MOTOROLA INC
Inventor： LAURO GEORGE L , MENICK RALPH E
Abstract: An electronic direction finder (10) includes a navigation receiver (28) and a compass (32) to generate a bearing signal that indicates that direction of a desired destination. The bearing signal is received by a display driver (34) which causes an electronic display (14) to generate a visible image of a rotatable pointer that points in the direction of the user's desired destination. Preferably, the display also shows an electronic compass card indicating the direction of north.
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公开(公告)号：CA1206564A
公开(公告)日：1986-06-24
申请号：CA442840
申请日：1983-12-08
Applicant: MOTOROLA INC
Inventor： MENICK RALPH E
IPC: G01S1/24
Abstract: Apparatus for processing received Loran C signals and compensating for envelope cycle discrepancy (ECD). A measure of ECD is determined during the fine settle operation and compared to a reference value which is an average over a period of time. If the difference between the reference and the ECD measure is greater than a threshold, the decision made by the fine settle operation is rejected and the fine settle process is restarted. If the difference is less than the predetermined threshhold the decision is accepted as being an accurate fine settle determination.
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公开(公告)号：EP0587796A4
公开(公告)日：1994-03-21
申请号：EP92914045
申请日：1992-04-17
Applicant: MOTOROLA INC
Inventor： LAURO GEORGE L , MENICK RALPH E
Abstract: An electronic direction finder (10) includes a navigation receiver (28) and a compass (32) to generate a bearing signal that indicates that direction of a desired destination. The bearing signal is received by a display driver (34) which causes an electronic display (14) to generate a visible image of a rotatable pointer that points in the direction of the user's desired destination. Preferably, the display also shows an electronic compass card indicating the direction of north.
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