Case 1:20-cv-00393-LO-TCB Document 696-5 Filed 06/02/21 Page 1 of 27 PageID# 17004
`Case 1:20-cv-00393-LO-TCB Document 696-5 Filed 06/02/21 Page 1 of 27 Page|D# 17004
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`EXHIBIT 12
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`EXHIBIT 12
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`( 12 ) United States Patent
`Liu
`
`( 10 ) Patent No . : US 10 , 420 , 374 B2
`( 45 ) Date of Patent :
`Sep . 24 , 2019
`
`US010420374B2
`
`( 54 ) ELECTRONIC SMOKE APPARATUS
`( 71 ) Applicant : Altria Client Services LLC ,
`Richmond , VA ( US )
`( 72 ) Inventor : Loi Ying Liu , Tsuen Wan ( HK )
`( 73 ) Assignee : Altria Client Services LLC ,
`Richmond , VA ( US )
`Subject to any disclaimer , the term of this
`patent is extended or adjusted under 35
`U . S . C . 154 ( b ) by 502 days .
`( 21 ) Appl . No . : 14 / 793 , 453
`( 22 ) Filed :
`Jul . 7 , 2015
`( 65 )
`Prior Publication Data
`US 2015 / 0305410 A1 Oct . 29 , 2015
`
`( * ) Notice :
`
`Related U . S . Application Data
`( 63 ) Continuation - in - part of application No . 13 / 131 , 705 ,
`filed as application No . PCT / IB2010 / 052949 on Jun .
`29 , 2010 , now Pat . No . 9 , 072 , 321 .
`Foreign Application Priority Data
`( 30 )
`Sep . 18 , 2009 ( CN ) . . . . . . . . . . . . . . . . . 2009 2 0179316 U
`( 51 ) Int . CI .
`A24F 47700
`( 52 )
`U . S . CI .
`. . . . . . . A24F 47 / 008 ( 2013 . 01 )
`CPC . . . . . . . . . .
`( 58 ) Field of Classification Search
`CPC . . . . . A24F 47 / 008 ; A24F 47 / 002 ; GOIL 9 / 0072
`See application file for complete search history .
`
`( 2006 . 01 )
`
`( 56 )
`
`AU
`CA
`
`References Cited
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`( Continued )
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`2011 .
`( Continued )
`Primary Examiner — Matthew J Daniels
`( 74 ) Attorney , Agent , or Firm — Harness , Dickey &
`Pierce , P . L . C .
`ABSTRACT
`( 57 )
`An electronic smoke comprises a puff detection sub - assem
`bly module . The puff detection sub - assembly comprises a
`first conductive surface , a second conductive surface and an
`insulated ring spacer separating the first and the second
`conductive surfaces at an effective separation distance . The
`first conductive surface , the second conductive surface and
`the insulated ring spacer are housed inside a metallic can .
`The first conductive surface is electrically connected to the
`metal can by a first conductive ring which is disposed
`between the first conductive surface and a ceiling portion of
`the metal can . The second conductive surface is electrically
`connected to an output terminal through a second conductive
`ring , the second conductive ring elevating the puff detection
`sub - assembly above a floor portion of the metal can and
`urging the first conductive ring against a ceiling portion of
`the metal can .
`25 Claims , 15 Drawing Sheets
`
`26a
`
`20
`
`LRT
`
`1
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`Case 1:20-cv-00393-LO-TCB Document 696-5 Filed 06/02/21 Page 2 of 27 PageID# 17005
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`25a -
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`28a
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`T2
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`dan
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`24
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`26b
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`- 256
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`26
`252
`
`

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`US 10 , 420 , 374 B2
`Page 2
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`Case 1:20-cv-00393-LO-TCB Document 696-5 Filed 06/02/21 Page 4 of 27 PageID# 17007
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`

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`U . S . Patent
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`Sep . 24 , 2019
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`Sheet 1 of 15
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`US 10 , 420 , 374 B2
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`Case 1:20-cv-00393-LO-TCB Document 696-5 Filed 06/02/21 Page 5 of 27 PageID# 17008
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`U . S . Patent
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`Sep . 24 , 2019
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`Sheet 2 of 15
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`US 10 , 420 , 374 B2
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`Case 1:20-cv-00393-LO-TCB Document 696-5 Filed 06/02/21 Page 6 of 27 PageID# 17009
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`

`

`U . S . Patent
`
`Sep . 24 , 2019
`
`Sheet 3 of 15
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`US 10 , 420 , 374 B2
`
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`Case 1:20-cv-00393-LO-TCB Document 696-5 Filed 06/02/21 Page 7 of 27 PageID# 17010
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`Figure 4A
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`

`

`U . S . Patent
`
`Sep . 24 , 2019
`
`Sheet 4 of 15
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`US 10 , 420 , 374 B2
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`Capacitance VS Flow Rate
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`Figure 4B
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`Smoking Puff
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`controlled )
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`Case 1:20-cv-00393-LO-TCB Document 696-5 Filed 06/02/21 Page 8 of 27 PageID# 17011
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`Figure 5
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`

`U . S . Patent
`
`Sep . 24 , 2019
`
`Sheet 5 of 15
`
`80 " 5 "
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`Battery Charger
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`Case 1:20-cv-00393-LO-TCB Document 696-5 Filed 06/02/21 Page 9 of 27 PageID# 17012
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`US 10 , 420 , 374 B2
`
`Figure 6A
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`

`

`U . S . Patent
`
`Sep . 24 , 2019
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`Sheet 6 of 15
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`US 10 , 420 , 374 B2
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`Capacitive
`Pressure
`Sensor
`( External )
`
`Internal Sensing Logic
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`
`Case 1:20-cv-00393-LO-TCB Document 696-5 Filed 06/02/21 Page 10 of 27 PageID# 17013
`
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`82b
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`82e
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`Figure 6B
`
`

`

`U . S . Patent
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`Sep . 24 , 2019
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`Sheet 7 of 15
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`US 10 , 420 , 374 B2
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`26a
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`Case 1:20-cv-00393-LO-TCB Document 696-5 Filed 06/02/21 Page 11 of 27 PageID# 17014
`
`73 74 T5
`
`26b
`
`Figure 7
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`Figure 8A
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`

`

`U . S . Patent
`
`Sep . 24 , 2019
`
`Sheet 8 of 15
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`US 10 , 420 , 374 B2
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`Case 1:20-cv-00393-LO-TCB Document 696-5 Filed 06/02/21 Page 12 of 27 PageID# 17015
`
`

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`U . S . Patent
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`Sep . 24 , 2019
`
`Sheet 9 of 15
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`US 10 , 420 , 374 B2
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`Case 1:20-cv-00393-LO-TCB Document 696-5 Filed 06/02/21 Page 13 of 27 PageID# 17016
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`

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`U . S . Patent
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`Sep . 24 , 2019
`
`Sheet 10 of 15
`
`US 10 , 420 , 374 B2
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`Case 1:20-cv-00393-LO-TCB Document 696-5 Filed 06/02/21 Page 14 of 27 PageID# 17017
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`

`U . S . Patent
`
`Sep . 24 , 2019
`
`Sheet 11 of 15
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`Case 1:20-cv-00393-LO-TCB Document 696-5 Filed 06/02/21 Page 15 of 27 PageID# 17018
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`

`

`U . S . Patent
`
`Sep . 24 , 2019
`
`Sheet 12 of 15
`
`US 10 , 420 , 374 B2
`
`www . freguercy Change
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`

`U . S . Patent
`
`Sep . 24 , 2019
`
`Sheet 13 of 15
`
`US 10 , 420 , 374 B2
`
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`Case 1:20-cv-00393-LO-TCB Document 696-5 Filed 06/02/21 Page 17 of 27 PageID# 17020
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`

`

`U . S . Patent
`
`Sep . 24 , 2019
`
`Sheet 14 of 15
`
`US 10 , 420 , 374 B2
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`Case 1:20-cv-00393-LO-TCB Document 696-5 Filed 06/02/21 Page 18 of 27 PageID# 17021
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`

`U . S . Patent
`
`S ep . 24 , 2019
`
`Sheet 15 of 15
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`US 10 , 420 , 374 B2
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`Case 1:20-cv-00393-LO-TCB Document 696-5 Filed 06/02/21 Page 19 of 27 PageID# 17022
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`

`

`US 10 , 420 , 374 B2
`
`ELECTRONIC SMOKE APPARATUS
`FIG . 9B shows example relationship between airflow rate
`entering the example electronic smoke and data count of the
`data counter ,
`This is a continuation - in - part application of U . S . Ser . No .
`FIG . 9C to 9H show relationship different smoking inhal
`13 / 131 / 705 filed on May 27 2011 , which is a US national
`phase entry application of PCT application number PCT / 5 ing behavior and actuation time of the vaporizer ,
`IB10 / 52949 filed Jun . 29 , 2010 and having a priority appli -
`FIGS . 10A to 10C depicts example electronic smokes ,
`FIGS . 11A to 11C depicts example electronic smokes , and
`cation filing date of Sep . 18 , 2009 .
`FIG . 12 show another example electronic smoke .
`Electronic smoke apparatus are electronic substitutes of
`their conventional tobacco burning counterparts and are 10
`DETAILED DESCRIPTION OF EXEMPLARY
`gaining increasing popularity and acceptance .
`EMBODIMENTS
`Electronic smoke apparatus are usually in the form of
`electronic cigarettes or electronic cigars , but are also avail
`An electronic smoke 10 comprising a battery powered
`able in other forms . Typically electronic smoke apparatus
`smoking puff detection module 20 and a rigid main housing
`comprise a rigid housing and a battery operated vaporizer 15 40 is depicted in FIGS . 1 and 1A . The smoking puff
`detection module 20 is installed inside the main housing 40
`which is to operate to excite a flavoured source to generate
`a visible and flavoured vapour . The flavoured vapour is
`at a location downstream of and proximal the air inlet 42 . A
`delivered to a user in response to suction of the user at a
`battery for operating the electronic smoke 10 , an operation
`smoke outlet on the rigid housing of the smoke apparatus to
`and control device 80 and a battery o