JPS57150027A - Keyboard encoder - Google Patents

Keyboard encoder

Info

Publication number
JPS57150027A
JPS57150027A JP56035091A JP3509181A JPS57150027A JP S57150027 A JPS57150027 A JP S57150027A JP 56035091 A JP56035091 A JP 56035091A JP 3509181 A JP3509181 A JP 3509181A JP S57150027 A JPS57150027 A JP S57150027A
Authority
JP
Japan
Prior art keywords
signal
output
key
circuit
key switch
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.)
Granted
Application number
JP56035091A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6135567B2 (enrdf_load_stackoverflow
Inventor
Fumiaki Sai
Zenichi Kitao
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.)
Omron Corp
Original Assignee
Tateisi Electronics Co
Omron Tateisi Electronics Co
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 Tateisi Electronics Co, Omron Tateisi Electronics Co filed Critical Tateisi Electronics Co
Priority to JP56035091A priority Critical patent/JPS57150027A/ja
Publication of JPS57150027A publication Critical patent/JPS57150027A/ja
Publication of JPS6135567B2 publication Critical patent/JPS6135567B2/ja
Granted legal-status Critical Current

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)
JP56035091A 1981-03-11 1981-03-11 Keyboard encoder Granted JPS57150027A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56035091A JPS57150027A (en) 1981-03-11 1981-03-11 Keyboard encoder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56035091A JPS57150027A (en) 1981-03-11 1981-03-11 Keyboard encoder

Publications (2)

Publication Number Publication Date
JPS57150027A true JPS57150027A (en) 1982-09-16
JPS6135567B2 JPS6135567B2 (enrdf_load_stackoverflow) 1986-08-13

Family

ID=12432281

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56035091A Granted JPS57150027A (en) 1981-03-11 1981-03-11 Keyboard encoder

Country Status (1)

Country Link
JP (1) JPS57150027A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61173329A (ja) * 1985-01-28 1986-08-05 Matsushita Electric Ind Co Ltd スイツチスキヤン装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4841628A (enrdf_load_stackoverflow) * 1971-09-27 1973-06-18
JPS5386527A (en) * 1977-01-10 1978-07-31 Hitachi Ltd Key input circuit
JPS5567829A (en) * 1978-11-16 1980-05-22 Brother Ind Ltd Keyboard input device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4841628A (enrdf_load_stackoverflow) * 1971-09-27 1973-06-18
JPS5386527A (en) * 1977-01-10 1978-07-31 Hitachi Ltd Key input circuit
JPS5567829A (en) * 1978-11-16 1980-05-22 Brother Ind Ltd Keyboard input device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61173329A (ja) * 1985-01-28 1986-08-05 Matsushita Electric Ind Co Ltd スイツチスキヤン装置

Also Published As

Publication number Publication date
JPS6135567B2 (enrdf_load_stackoverflow) 1986-08-13

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