NL7601466A - KEY INPUT CHAIN. - Google Patents

KEY INPUT CHAIN.

Info

Publication number
NL7601466A
NL7601466A NL7601466A NL7601466A NL7601466A NL 7601466 A NL7601466 A NL 7601466A NL 7601466 A NL7601466 A NL 7601466A NL 7601466 A NL7601466 A NL 7601466A NL 7601466 A NL7601466 A NL 7601466A
Authority
NL
Netherlands
Prior art keywords
key input
input chain
chain
key
input
Prior art date
Application number
NL7601466A
Other languages
Dutch (nl)
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of NL7601466A publication Critical patent/NL7601466A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Input From Keyboards Or The Like (AREA)
NL7601466A 1975-11-10 1976-02-12 KEY INPUT CHAIN. NL7601466A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50134105A JPS5258423A (en) 1975-11-10 1975-11-10 Key input circuit possible for roll over

Publications (1)

Publication Number Publication Date
NL7601466A true NL7601466A (en) 1977-05-12

Family

ID=15120558

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7601466A NL7601466A (en) 1975-11-10 1976-02-12 KEY INPUT CHAIN.

Country Status (3)

Country Link
JP (1) JPS5258423A (en)
DE (1) DE2605565C3 (en)
NL (1) NL7601466A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4117407A (en) * 1975-04-30 1978-09-26 Tokyo Shibaura Electric Co., Ltd. Frequency synthesizer tuner
DE2830283A1 (en) * 1978-07-10 1980-01-24 Siemens Ag CONNECTING A KEYBOARD TO A COMPUTER, ESPECIALLY MICROCOMPUTER, FOR ENTERING COMMANDS AND / OR COMMAND SEQUENCES
US4211915A (en) * 1978-12-04 1980-07-08 General Electric Company Keyboard verification system
JPS60138659A (en) * 1983-12-27 1985-07-23 Fujitsu Ltd Channel control system

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5221856B2 (en) * 1972-03-10 1977-06-14

Also Published As

Publication number Publication date
DE2605565C3 (en) 1978-07-06
DE2605565B2 (en) 1977-11-10
JPS5258423A (en) 1977-05-13
DE2605565A1 (en) 1977-05-12

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Legal Events

Date Code Title Description
BV The patent application has lapsed