Compu-TTY KA300TX Manuel d'utilisateur télécharger pdf (Page 6)

U.S.

Patent

Jan.

30,

2007

Sheet

3

0f

13

US

7,170,404

B2

SECURITY

ALARM

MONITORING

UNIT

/‘42

f

40

MICROPHONE

p8

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DEQIQEIAS)

ANALOG

TO

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12

DIGITAL

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38

CONVERTER

DIGITAL

SIGNAL

/_\

PROCESSING

/

14

MEMORY

/”‘

22,24

ALARM

DISTINGUISHING

/

MEANS

ALARM

/

MESSAGE

STATION

/

CORRELATING

MEANS

[

32

COMMUNICATION

_

_

_

__________

_

__

_

_

RECEIVING

PORT

SITE

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