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`I 1111111111111111 11111 111111111111111 111111111111111 IIIII IIIIII IIII IIII IIII
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`US006904488B2
`
`(12) United States Patent
`
`
`Matsumoto et al.
`
`(10)Patent
`No.:US 6,904,488 B2
`
`(45) Date of Patent:
`Jun.7,2005
`
`(54) PORTABLE ELECTRONIC DEVICE
`
`COMPRISING COMMON SERIAL BUS
`CONNECTOR
`
`FOREIGN PATENT DOCUMENTS
`
`WO
`
`WO 96-13802 5/1996
`
`OTHER PUBLICATIONS
`
`
`Katsuyuki Matsumoto,
`(75) Inventors:
`
`Hirakata (JP);
`Lynn, K. "Universal serial bus (USE) power management"
`
`
`Masanao Yoshida,
`Osaka (JP)
`
`
`
`Sep. 15-17, 1998, Wescon/98 Conference Proceedings, pp.
`194-201.*
`Sanyo E lectric Co., Ltd., Moriguchi
`
`(73) Assignees:
`Lynn, K. "Universal serial bus (USE) power management"
`
`
`
`(JP); Sanyo Technosound Co., Ltd.,
`
`
`
`Nov. 4-6, 1998, Wescon/97 Conference Proceedings, pp.
`Daito (JP)
`434-441.*
`
`
`
`( *) Notice: Subject to any disclaimer, the term of this
`
`
`
`111-136, Jan. 15, 1996.*
`
`
`patent is extended or adjusted under 35
`U.S.C. 154(b) by 301 days.
`
`* cited by examiner
`
`"Universal Serial Bus Specification" Revision 1.0, pp.
`
`(21) Appl. No.: 09/741,018
`
`Dec. 21, 2000
`(22) Filed:
`
`(65)
`
`
`
`Prior Publication Data
`
`Knight
`Primary Examiner-Anthony
`
`
`
`Assistant Examiner-Thomas Pham
`
`
`
`
`Kratz, Quintas, (74) Attorney, Agent, or Firm-Armstrong,
`
`Hanson & Brooks, LLP
`
`(57)
`
`ABSTRACT
`
`
`
`US 2001/0005641 Al Jun. 28, 2001
`
`
`
`
`
`(30) Foreign Application Priority Data
`
`A portable electronic device according to the invention
`
`
`
`
`4, a USE controller 6 for
`
`comprises a USE connector
`
`
`
`executing predetermined data communication processing
`
`Dec. 27, 1999 (JP) ........................................... 11-370327
`
`
`
`attendant on data communication with a personal computer
`
`(51) Int. Cl.7 ................................................ G06F 13/20
`2 connected
`4, and a main CPU 7 for
`
`to the USE connector
`
`
`
`executing device operation processing for the usual opera­
`
`(52) U.S. Cl. ......................... 710/313;
`
`710/305; 710/73;
`
`
`tion of the device, and is adapted to receive a power supply
`
`
`
`713/320; 713/324; 713/340; 713/300; 713/330;
`
`
`
`from the personal computer 2 or an external power source 3
`700/66
`4. Discriminating
`
`as connected to the USE connector
`(58) Field of Search .................................
`
`710/313, 305,
`7
`
`
`between the sources of supply of power, the main CPU
`
`
`
`710/73; 713/320, 324, 300, 330, 340; 700/66
`6 to execute
`
`causes the USE controller the predetermined
`
`
`data communication processing while power is supplied
`2, or executes
`
`from the personal computer
`the usual device
`
`
`
`
`operation processing while power is supplied from the
`3. This assures
`
`external power source more rapid and
`5,928,336 A
`
`
`7/1999 Takeuchi ....................... 710/1
`
`
`
`simplified processing even when the USE connector is used
`
`6,058,441 A *
`
`
`5/2000 Shu ............................ 710/100
`
`
`also as a connector for the external power source.
`
`6,178,514 Bl *
`
`1/2001 Wood ......................... 713/300
`
`6,516,418 Bl *
`
`2/2003 Lee ............................ 713/320
`
`
`6,697,892 Bl *
`
`
`2/2004 Laity et al. ................... 710/72
`
`
`
`
`
`(56)
`
`
`
`References Cited
`
`
`
`U.S. PATENT DOCUMENTS
`
`5 Claims, 2 Drawing Sheets
`
`,1 PORTABLE ELECTRONIC DEVICE
`
`
`.. _.. ·-·•-·•L._ .. _ .. _ -··-··
`
`
`---·•-•-·
`·
`··-··--
`-••~
`-••7
`,
`
`·•
`
`·~
`
`MEMORY
`
`i
`Von I
`
`EXTERNAL
`POWER
`SOURCE
`
`13
`
`i
`Von i
`
`Rl
`
`USBin
`
`CPU
`
`Vdet
`
`----�
`L±·----····-·--·----
`
`Fundamental Ex 2019-1
`LG et al. v Fundamental
`IPR2018-00493
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`Fundamental Ex 2019-2
`LG et al. v Fundamental
`IPR2018-00493
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`Fundamental Ex 2019-3
`LG et al. v Fundamental
`IPR2018-00493
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`Fundamental Ex 2019-4
`LG et al. v Fundamental
`IPR2018-00493
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`Fundamental Ex 2019-5
`LG et al. v Fundamental
`IPR2018-00493
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`Fundamental Ex 2019-6
`LG et al. v Fundamental
`IPR2018-00493
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