HK87397A - Hand-held electronic apparatus using two batteries sequentially supplying current to inductive element - Google Patents

Hand-held electronic apparatus using two batteries sequentially supplying current to inductive element

Info

Publication number
HK87397A
HK87397A HK87397A HK87397A HK87397A HK 87397 A HK87397 A HK 87397A HK 87397 A HK87397 A HK 87397A HK 87397 A HK87397 A HK 87397A HK 87397 A HK87397 A HK 87397A
Authority
HK
Hong Kong
Prior art keywords
hand
electronic apparatus
inductive element
supplying current
held electronic
Prior art date
Application number
HK87397A
Other languages
English (en)
Inventor
Takayuki Asai
Yukio Sato
Original Assignee
Nec Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nec Corp filed Critical Nec Corp
Publication of HK87397A publication Critical patent/HK87397A/xx

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/18—Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B6/00—Tactile signalling systems, e.g. personal calling systems

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Motor And Converter Starters (AREA)
HK87397A 1991-10-29 1997-06-26 Hand-held electronic apparatus using two batteries sequentially supplying current to inductive element HK87397A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3309801A JP2818508B2 (ja) 1991-10-29 1991-10-29 小形携帯用電子装置

Publications (1)

Publication Number Publication Date
HK87397A true HK87397A (en) 1997-06-27

Family

ID=17997411

Family Applications (1)

Application Number Title Priority Date Filing Date
HK87397A HK87397A (en) 1991-10-29 1997-06-26 Hand-held electronic apparatus using two batteries sequentially supplying current to inductive element

Country Status (4)

Country Link
US (1) US5359318A (xx)
JP (1) JP2818508B2 (xx)
GB (1) GB2261129B (xx)
HK (1) HK87397A (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2500088B2 (ja) * 1992-10-29 1996-05-29 日本電気株式会社 電池有無検出装置
JP3329017B2 (ja) * 1993-08-25 2002-09-30 ソニー株式会社 電源供給回路及び方法
JPH0984075A (ja) * 1995-09-13 1997-03-28 Nec Shizuoka Ltd 無線選択呼出受信機
US5684384A (en) * 1995-10-31 1997-11-04 Motorola, Inc. Apparatus and method for discharging and charging a multiple battery arrangement
KR100281534B1 (ko) * 1996-09-03 2001-02-15 윤종용 휴대용 컴퓨터의 배터리팩 선택 회로
CA2278550A1 (en) 1997-01-24 1998-07-30 Lawrence Gelbien Pager-based controller
US6829476B1 (en) 1997-01-24 2004-12-07 Lawrence J. Gelbein Pager-based gas valve controller
US6057753A (en) * 1997-07-03 2000-05-02 Projects Unlimited, Inc. Vibrational transducer
US6097973A (en) * 1997-12-19 2000-08-01 Motorola, Inc. Electronic circuit for a portable electronic device
KR100281528B1 (ko) * 1998-04-29 2001-02-15 윤종용 전원 공급 회로
KR100536589B1 (ko) 1999-07-27 2005-12-14 삼성전자주식회사 배터리 전원의 전자 장치 및 그의 전원 공급 제어 방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62225188A (ja) * 1986-03-26 1987-10-03 Tohoku Metal Ind Ltd 電子装置の空冷方法
JPS62299161A (ja) * 1986-06-18 1987-12-26 Rinnai Corp 住宅用情報送信装置
US4755816A (en) * 1986-10-29 1988-07-05 Motorola Inc. Battery saving method for a selective call radio paging receiver
JPH0624335B2 (ja) * 1987-02-27 1994-03-30 日本電気株式会社 表示付選択呼出受信機
US4908523A (en) * 1988-04-04 1990-03-13 Motorola, Inc. Electronic circuit with power drain control
JP2513306B2 (ja) * 1989-03-23 1996-07-03 三菱電機株式会社 自走掃除機

Also Published As

Publication number Publication date
JP2818508B2 (ja) 1998-10-30
GB2261129B (en) 1995-06-21
GB9222739D0 (en) 1992-12-09
US5359318A (en) 1994-10-25
JPH05122963A (ja) 1993-05-18
GB2261129A (en) 1993-05-05

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20041029