CA1016658A - Stored program selector for electronic calculator - Google Patents

Stored program selector for electronic calculator

Info

Publication number
CA1016658A
CA1016658A CA210,638A CA210638A CA1016658A CA 1016658 A CA1016658 A CA 1016658A CA 210638 A CA210638 A CA 210638A CA 1016658 A CA1016658 A CA 1016658A
Authority
CA
Canada
Prior art keywords
stored program
electronic calculator
program selector
selector
calculator
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA210,638A
Other versions
CA210638S (en
Inventor
Bob O. Evans
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of CA1016658A publication Critical patent/CA1016658A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/023Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes
    • G06F3/0238Programmable keyboards
CA210,638A 1973-10-15 1974-10-03 Stored program selector for electronic calculator Expired CA1016658A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/406,721 US3990053A (en) 1973-10-15 1973-10-15 Stored program selector for electronic calculator

Publications (1)

Publication Number Publication Date
CA1016658A true CA1016658A (en) 1977-08-30

Family

ID=23609179

Family Applications (1)

Application Number Title Priority Date Filing Date
CA210,638A Expired CA1016658A (en) 1973-10-15 1974-10-03 Stored program selector for electronic calculator

Country Status (10)

Country Link
US (1) US3990053A (en)
JP (1) JPS5333452B2 (en)
CA (1) CA1016658A (en)
CH (1) CH566593A5 (en)
DE (1) DE2442535A1 (en)
ES (1) ES430494A1 (en)
FR (1) FR2247767B1 (en)
GB (1) GB1436071A (en)
IT (1) IT1020325B (en)
SE (1) SE402656B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS537131U (en) * 1976-07-05 1978-01-21
US4120044A (en) * 1976-09-16 1978-10-10 Rca Corporation Data encoding keyboard
JPS5831220Y2 (en) * 1977-02-24 1983-07-11 シャープ株式会社 Calculator with differential function
JPS5429631U (en) * 1977-07-29 1979-02-27
US4231106A (en) * 1978-07-13 1980-10-28 Sperry Rand Corporation Performance monitor apparatus and method
US4386412A (en) * 1979-12-17 1983-05-31 Casio Computer Company, Ltd. Calculator with equation display device
JPS5843050A (en) * 1981-09-08 1983-03-12 Casio Comput Co Ltd Electronic formula dictionary
JPS58155468A (en) * 1982-03-10 1983-09-16 Casio Comput Co Ltd Electronic formula dictionary
JPS58195957A (en) * 1982-05-11 1983-11-15 Casio Comput Co Ltd Program starting system by voice
FR2584509A1 (en) * 1985-07-05 1987-01-09 Brunet Pierre Keyboard with changeable key identifiers for electronic machines
GB8619497D0 (en) * 1986-08-11 1986-09-24 Anstey M T Electronic tester

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL276406A (en) * 1961-03-24
US3511974A (en) * 1964-09-22 1970-05-12 Wang Laboratories Automatically controlled calculating apparatus
US3533076A (en) * 1967-10-30 1970-10-06 Burroughs Corp Electronic accounting apparatus
US3533078A (en) * 1967-12-04 1970-10-06 Burroughs Corp Keyboard entry control apparatus
US3686639A (en) * 1969-12-11 1972-08-22 Modicon Corp Digital computer-industrial controller system and apparatus
US3593313A (en) * 1969-12-15 1971-07-13 Computer Design Corp Calculator apparatus
US3660645A (en) * 1970-05-21 1972-05-02 Advanced Computer Tech Corp Calculating display board
US3774164A (en) * 1972-05-22 1973-11-20 Western Data Prod Inc Data terminal system

Also Published As

Publication number Publication date
US3990053A (en) 1976-11-02
JPS5068240A (en) 1975-06-07
SE402656B (en) 1978-07-10
GB1436071A (en) 1976-05-19
JPS5333452B2 (en) 1978-09-14
CH566593A5 (en) 1975-09-15
SE7412660L (en) 1975-04-16
FR2247767A1 (en) 1975-05-09
DE2442535A1 (en) 1975-04-17
FR2247767B1 (en) 1978-12-29
ES430494A1 (en) 1976-10-16
IT1020325B (en) 1977-12-20

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