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捕食行为声学标记专利

Acoustic tag 专利号US 20140211594 A1

Abstract

Acoustic tags have been used for years in fisheries research to study survival and behavior of fish in various aquatic environments. The described techniques, devices and systems enhance the ability of researchers to understand the effect on fish mortality by predators through an acoustic tag that includes a digestible fuse. When the implanted acoustic tag comes in contact with the digestive fluids in a predator's stomach, the fuse coating is dissolved causing the fuse to disintegrate and result in an open circuit. The open circuit in turn signals the electronics in the acoustic tag that the tagged fish has been consumed. In response, the electronics alter the tag transmit signal to indicate that predation has occurred. 


Inventors:

Allen; William W. (Lake Stevens, WA), Hemmings; Scott E. (Seattle, WA), Johnson; Samuel V. (Seattle, WA)

Applicant:

Name

City

State

Country

Type


HTI-Vemco.


Seattle


WA


US

Assignee:

HTI-Vemco. (Seattle, WA)

Family ID:

51222823

Appl. No.:

13/751,408

Filed:

January 28, 2013

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