ZA738546B - Automatic switching voltage adapter for calculating system - Google Patents

Automatic switching voltage adapter for calculating system

Info

Publication number
ZA738546B
ZA738546B ZA738546A ZA738546A ZA738546B ZA 738546 B ZA738546 B ZA 738546B ZA 738546 A ZA738546 A ZA 738546A ZA 738546 A ZA738546 A ZA 738546A ZA 738546 B ZA738546 B ZA 738546B
Authority
ZA
South Africa
Prior art keywords
automatic switching
switching voltage
calculating system
voltage adapter
adapter
Prior art date
Application number
ZA738546A
Inventor
J Taylor
D Duff
Original Assignee
Texas Instruments Inc
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 Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of ZA738546B publication Critical patent/ZA738546B/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/10—Arrangements incorporating converting means for enabling loads to be operated at will from different kinds of power supplies, e.g. from ac or dc
    • 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
    • H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
    • 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
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • H02J7/007182—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage
    • H02J7/007186—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters in response to battery voltage obtained with the battery disconnected from the charge or discharge circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Power Sources (AREA)
  • Secondary Cells (AREA)
  • Stand-By Power Supply Arrangements (AREA)
ZA738546A 1973-03-30 1973-11-06 Automatic switching voltage adapter for calculating system ZA738546B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US34639273A 1973-03-30 1973-03-30

Publications (1)

Publication Number Publication Date
ZA738546B true ZA738546B (en) 1974-11-27

Family

ID=23359159

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA738546A ZA738546B (en) 1973-03-30 1973-11-06 Automatic switching voltage adapter for calculating system

Country Status (16)

Country Link
JP (1) JPS5010022A (en)
AU (1) AU6265173A (en)
BE (1) BE808242A (en)
BR (1) BR7309802D0 (en)
CA (1) CA998736A (en)
DD (1) DD109953A5 (en)
DE (1) DE2362243A1 (en)
FR (1) FR2223876B1 (en)
GB (1) GB1456229A (en)
IL (1) IL43583A (en)
IT (1) IT997697B (en)
NL (1) NL7316345A (en)
PH (1) PH10803A (en)
SE (1) SE7316957L (en)
SU (1) SU535915A3 (en)
ZA (1) ZA738546B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1496522A (en) * 1974-01-22 1977-12-30 Endfield C Keyboard
DE2555661A1 (en) * 1975-01-03 1976-07-08 Hewlett Packard Co PORTABLE ELECTRONIC CALCULATOR
US4140957A (en) * 1977-06-20 1979-02-20 Rockwell International Corporation Calculator driving and battery pack recharging circuit
US4709201A (en) * 1985-10-24 1987-11-24 General Electric Company Portable radio battery pack with on-off switch
GB2200804A (en) * 1987-01-28 1988-08-10 Combined Optical Ind Ltd Alternative electrical power source system
CN102484416B (en) * 2009-09-01 2015-11-25 皇家飞利浦电子股份有限公司 For the electric power supply system of electronic load

Also Published As

Publication number Publication date
DE2362243A1 (en) 1974-10-10
GB1456229A (en) 1976-11-24
FR2223876A1 (en) 1974-10-25
DD109953A5 (en) 1974-11-20
BE808242A (en) 1974-03-29
NL7316345A (en) 1974-10-02
IT997697B (en) 1975-12-30
IL43583A (en) 1976-07-30
CA998736A (en) 1976-10-19
SE7316957L (en) 1974-10-01
JPS5010022A (en) 1975-02-01
IL43583A0 (en) 1974-03-14
PH10803A (en) 1977-09-07
FR2223876B1 (en) 1976-10-08
AU6265173A (en) 1975-05-22
BR7309802D0 (en) 1974-12-31
SU535915A3 (en) 1976-11-15

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