Apparatus for measuring the instantaneous distance between...

Details Apparatus for measuring the instantaneous distance between... Apparatus for measuring the instantaneous distance between...

2006-12-19

2006-12-19

Lobo, Ian J. (Department: 3662)

Communications, electrical: acoustic wave systems and devices

Echo systems

Distance or direction finding

C367S103000, C367S909000

Reexamination Certificate

active

07151714

ABSTRACT:
The apparatus includes transmitter-receiver units (10, 20) for emitting acoustic signals in the form of beams (F1, F2) directed rearwardly of the stern and for receiving acoustic signals reflected by the fixed structure (B, C). The number of transmitter-receivers and the beam angles of the respective beams are determined so as to include substantially the entire area behind the stern in their field of view. Each transmitter-receiver includes a transducer for converting input electrical signals into output acoustic signals and for converting reflected acoustic signals into output electrical signals which are supplied to an electronic processor unit.On the basis of electrical input and output signals, the processor unit determines the instantaneous distance between the vessel and the fixed structure. A visual and/or acoustic signalling device is connected to the processor unit for emitting a visual and/or acoustic signal in real time indicating the instantaneous distance determined.

REFERENCES:
patent: 4500977 (1985-02-01), Gelhard
patent: 5515341 (1996-05-01), Toda et al.
patent: 6421299 (2002-07-01), Betts et al.
patent: 2 317 316 (1998-03-01), None
patent: 2000-258524 (2000-09-01), None
patent: 94/01944 (1994-01-01), None
patent: 98/00730 (1998-01-01), None
patent: 01/11384 (2001-02-01), None

Affiliated with

Also associated with

Rating

Apparatus for measuring the instantaneous distance between... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus for measuring the instantaneous distance between..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for measuring the instantaneous distance between... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3654401