BR7508626A - Calculadora eletronica portatil - Google Patents

Calculadora eletronica portatil

Info

Publication number
BR7508626A
BR7508626A BR7508626*A BR7508626A BR7508626A BR 7508626 A BR7508626 A BR 7508626A BR 7508626 A BR7508626 A BR 7508626A BR 7508626 A BR7508626 A BR 7508626A
Authority
BR
Brazil
Prior art keywords
portable electronic
electronic calculator
calculator
portable
electronic
Prior art date
Application number
BR7508626*A
Other languages
English (en)
Inventor
M Linsky
R Whicker
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of BR7508626A publication Critical patent/BR7508626A/pt

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F15/00—Digital computers in general; Data processing equipment in general
    • G06F15/02—Digital computers in general; Data processing equipment in general manually operated with input through keyboard and computation using a built-in program, e.g. pocket calculators
    • G06F15/0216—Constructional details or arrangements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J5/00—Circuit arrangements for transfer of electric power between ac networks and dc networks
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Power Engineering (AREA)
  • Computing Systems (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)
BR7508626*A 1975-01-03 1975-12-23 Calculadora eletronica portatil BR7508626A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US53849575A 1975-01-03 1975-01-03

Publications (1)

Publication Number Publication Date
BR7508626A true BR7508626A (pt) 1976-08-24

Family

ID=24147153

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7508626*A BR7508626A (pt) 1975-01-03 1975-12-23 Calculadora eletronica portatil

Country Status (4)

Country Link
AU (1) AU8777475A (pt)
BR (1) BR7508626A (pt)
DE (1) DE2555661A1 (pt)
FR (1) FR2296882A1 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0024268A1 (en) * 1979-08-10 1981-02-25 Sandvik Aktiebolag AC/DC source for portable motor driven devices
AU603550B2 (en) * 1985-09-26 1990-11-22 Lions Eye Institute Of Western Australia Incorporated, The Portable power supply

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3344899A (en) * 1963-04-22 1967-10-03 Scm Corp Portable data transferring machines operable from either dc or ac current
US3539898A (en) * 1968-11-04 1970-11-10 Sperry Rand Corp Charging means for electrical appliance
CA998736A (en) * 1973-03-30 1976-10-19 James B. Taylor (Jr.) Automatic switching voltage adapter for calculating system

Also Published As

Publication number Publication date
FR2296882B1 (pt) 1977-08-19
FR2296882A1 (fr) 1976-07-30
DE2555661A1 (de) 1976-07-08
AU8777475A (en) 1977-06-30

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