CA923429A - Data entry means - Google Patents

Data entry means

Info

Publication number
CA923429A
CA923429A CA073578A CA73578A CA923429A CA 923429 A CA923429 A CA 923429A CA 073578 A CA073578 A CA 073578A CA 73578 A CA73578 A CA 73578A CA 923429 A CA923429 A CA 923429A
Authority
CA
Canada
Prior art keywords
data entry
entry
data
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
CA073578A
Other versions
CA73578S (en
Inventor
M. Patti David
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.)
NCR Corp
Original Assignee
NCR 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
Priority to US82131169A priority Critical
Application filed by NCR Corp filed Critical NCR Corp
Priority claimed from CA155300A external-priority patent/CA933096A/en
Application granted granted Critical
Publication of CA923429A publication Critical patent/CA923429A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03BASIC ELECTRONIC CIRCUITRY
    • H03KPULSE TECHNIQUE
    • H03K17/00Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965Switches controlled by moving an element forming part of the switch
    • H03K17/968Switches controlled by moving an element forming part of the switch using opto-electronic devices
    • H03K17/969Switches controlled by moving an element forming part of the switch using opto-electronic devices having a plurality of control members, e.g. keyboard
CA073578A 1969-05-02 1970-01-30 Data entry means Expired CA923429A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US82131169A true 1969-05-02 1969-05-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA155300A CA933096A (en) 1969-05-02 1972-10-31 Data entry means

Publications (1)

Publication Number Publication Date
CA923429A true CA923429A (en) 1973-03-27

Family

ID=25233062

Family Applications (1)

Application Number Title Priority Date Filing Date
CA073578A Expired CA923429A (en) 1969-05-02 1970-01-30 Data entry means

Country Status (4)

Country Link
US (1) US3603982A (en)
JP (1) JPS5024569B1 (en)
CA (1) CA923429A (en)
GB (1) GB1238428A (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3808363A (en) * 1970-12-23 1974-04-30 Datel Corp Conversational data terminal having a function repeat capability
US3937952A (en) * 1972-09-22 1976-02-10 National Research Development Corporation Keyboard and switches for keyboards
US3856127A (en) * 1972-11-24 1974-12-24 U Halfon Photo-optical keyboard
US3886544A (en) * 1974-06-12 1975-05-27 Leo H Narodny Keyboard using optical switching
US4049964A (en) * 1976-04-01 1977-09-20 Cavitron Corporation Optical switching device
US4417824A (en) * 1982-03-29 1983-11-29 International Business Machines Corporation Optical keyboard with common light transmission members
JPS6014724A (en) * 1983-07-02 1985-01-25 Triumph Adler Buero Inf Photoelectric key unit
USRE33422E (en) * 1984-02-02 1990-11-06 Optically activated keyboard for digital system
US4641026A (en) * 1984-02-02 1987-02-03 Texas Instruments Incorporated Optically activated keyboard for digital system
US4634861A (en) * 1984-12-19 1987-01-06 General Instrument Corporation Rotary switch with reflector coded actuator drum
FR2597682A1 (en) * 1986-04-21 1987-10-23 Ferco Int Usine Ferrures Keyboard for electrical appliance.
FR2597683B1 (en) * 1986-04-22 1992-07-31 Battarel Claude Radiation interruption keyboard.
DE3700856C2 (en) * 1987-01-14 1991-08-22 Telefunken Electronic Gmbh, 7100 Heilbronn, De
AU2304888A (en) * 1987-08-21 1989-03-09 Pennwalt Corporation Pyroelectric keyboard
US6705783B1 (en) 2002-10-11 2004-03-16 James H. Bowen Ruggedized keyboard with cursor positioning device
US6853366B2 (en) * 2002-10-11 2005-02-08 James H. Bowen Articulator and optical detection cursor positioning device
US20040190968A1 (en) * 2003-03-25 2004-09-30 Tai-Her Yang Keyboard of multi-point multiple common keys
GB2406944A (en) * 2003-10-09 2005-04-13 Motorola Inc Keyboard switching devices
FR2878062A1 (en) * 2004-11-18 2006-05-19 Finsecur Sa MANUAL TRIGGER METHOD AND DEVICE
US7446677B2 (en) * 2005-11-14 2008-11-04 Avago Technologies Ecbu Ip Pte Ltd Method and apparatus for optically detecting selections made on an input device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3017463A (en) * 1959-04-10 1962-01-16 Bendix Corp Keyboard apparatus
NL277886A (en) * 1961-05-02
US3495239A (en) * 1967-08-15 1970-02-10 Teletype Corp Photoelectric keyboard

Also Published As

Publication number Publication date
GB1238428A (en) 1971-07-07
CA923429A1 (en)
US3603982A (en) 1971-09-07
JPS5024569B1 (en) 1975-08-16

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