BE775310A - KEYPAD ALLOWING KEY CONTROL FROM THE LEGATO - Google Patents

KEYPAD ALLOWING KEY CONTROL FROM THE LEGATO

Info

Publication number
BE775310A
BE775310A BE775310A BE775310A BE775310A BE 775310 A BE775310 A BE 775310A BE 775310 A BE775310 A BE 775310A BE 775310 A BE775310 A BE 775310A BE 775310 A BE775310 A BE 775310A
Authority
BE
Belgium
Prior art keywords
legato
key control
allowing key
keypad allowing
keypad
Prior art date
Application number
BE775310A
Other languages
French (fr)
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of BE775310A publication Critical patent/BE775310A/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M11/00—Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys
    • H03M11/20—Dynamic coding, i.e. by key scanning
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/38—Synchronous or start-stop systems, e.g. for Baudot code
    • H04L25/40—Transmitting circuits; Receiving circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Input From Keyboards Or The Like (AREA)
BE775310A 1970-11-14 1971-11-12 KEYPAD ALLOWING KEY CONTROL FROM THE LEGATO BE775310A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7016723.A NL166140C (en) 1970-11-14 1970-11-14 KEYBOARD.

Publications (1)

Publication Number Publication Date
BE775310A true BE775310A (en) 1972-05-12

Family

ID=19811565

Family Applications (1)

Application Number Title Priority Date Filing Date
BE775310A BE775310A (en) 1970-11-14 1971-11-12 KEYPAD ALLOWING KEY CONTROL FROM THE LEGATO

Country Status (9)

Country Link
US (1) US3750160A (en)
JP (1) JPS5315336B1 (en)
AT (1) AT324021B (en)
BE (1) BE775310A (en)
CA (1) CA925794A (en)
CH (1) CH538156A (en)
GB (1) GB1370654A (en)
IT (1) IT944874B (en)
NL (1) NL166140C (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3932838A (en) * 1971-04-23 1976-01-13 General Electric Company Method and apparatus for controlling circuitry with a plurality of switching means
GB1416456A (en) * 1971-12-07 1975-12-03 Matsushita Electric Ind Co Ltd Signal processing arrangements
JPS4931232A (en) * 1972-07-21 1974-03-20
US3825926A (en) * 1973-02-05 1974-07-23 Ibm Interfacing circuitry for connecting a remote keyboard with a data receiving buffer
US3974478A (en) * 1973-08-09 1976-08-10 Nippon Gakki Seizo Kabushiki Kaisha Key switch scanning and encoding system
US3995252A (en) * 1973-12-26 1976-11-30 General Electric Company Data processing arrangement for printers
US4134320A (en) * 1974-08-19 1979-01-16 Nippon Gakki Seizo Kabushiki Kaisha Key assigner for use in electronic musical instrument
US3982236A (en) * 1974-12-24 1976-09-21 Haig Kafafian Communications and control method and apparatus for persons who may have muscular incoordination and/or spasticity
US4117758A (en) * 1976-11-04 1978-10-03 Kimball International, Inc. Binary word debouncer
JPS5477532A (en) * 1977-12-02 1979-06-21 Matsushita Electric Ind Co Ltd Key identifying circuit
DE3023579C2 (en) * 1980-06-24 1984-10-31 Matth. Hohner Ag, 7218 Trossingen Electronic musical instrument

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3675239A (en) * 1970-09-14 1972-07-04 Ncr Co Unlimited roll keyboard circuit

Also Published As

Publication number Publication date
US3750160A (en) 1973-07-31
AT324021B (en) 1975-08-11
NL166140C (en) 1981-06-15
CH538156A (en) 1973-06-15
IT944874B (en) 1973-04-20
DE2154596B2 (en) 1976-08-05
JPS5315336B1 (en) 1978-05-24
DE2154596A1 (en) 1972-05-25
NL166140B (en) 1981-01-15
NL7016723A (en) 1972-05-16
GB1370654A (en) 1974-10-16
CA925794A (en) 1973-05-08

Similar Documents

Publication Publication Date Title
BE761091A (en) INTEGRATED KEYBOARD MECHANISM
DK130730B (en) Magnetic operating mechanism.
FR95927E (en) Keyboard encoder.
CH551045A (en) KEY OPERATED DATA ENTRY DEVICE.
NL140350B (en) NUMERIC CONTROL DEVICE.
BE775310A (en) KEYPAD ALLOWING KEY CONTROL FROM THE LEGATO
BE766631R (en) KEYBOARD MECHANISM
NL7416640A (en) INTERRUPTION MECHANISM.
DK109731C (en) Sorting mechanism for coin-operated appliances.
BE791475A (en) KEYPAD ALLOWING THE CONTROL OF THE KEYS IN A LINKED WAY
DK113788B (en) Pressure sensitive switch mechanism.
BE774535A (en) RECORDING KEYBOARD DEVICE
NL163344C (en) KEY SWITCH FOR AN ELECTRONIC MUSIC INSTRUMENT.
FR1452272A (en) Lock mechanism
NL153697B (en) KEY SWITCH FOR AN ELECTRONIC MUSIC INSTRUMENT.
DK121675B (en) Mount control device by coin-operated telephone machine.
DK139442B (en) Door lock control device.
FR1504649A (en) Keyboard encoder
DK117713B (en) Keyboard lock arrangement.
DE1917400U (en) SET POINT CONTROL PANEL.
FR1460067A (en) Keypad coding device
NL142504B (en) NUMERIC CONTROL DEVICE WITH PROGRAMMED SWITCHING.
ES163463Y (en) A GAS CONTROL DEVICE.
FR1501322A (en) Installation device for adding machine or similar, with reduced keyboard
CA693898A (en) Keyboard structure for ten key machines