JPS5224436A - Key input unit - Google Patents

Key input unit

Info

Publication number
JPS5224436A
JPS5224436A JP50101032A JP10103275A JPS5224436A JP S5224436 A JPS5224436 A JP S5224436A JP 50101032 A JP50101032 A JP 50101032A JP 10103275 A JP10103275 A JP 10103275A JP S5224436 A JPS5224436 A JP S5224436A
Authority
JP
Japan
Prior art keywords
input unit
key input
countermeasure
improved
key
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
JP50101032A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5756089B2 (enrdf_load_stackoverflow
Inventor
Shigeru Ueda
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Priority to JP50101032A priority Critical patent/JPS5224436A/ja
Publication of JPS5224436A publication Critical patent/JPS5224436A/ja
Publication of JPS5756089B2 publication Critical patent/JPS5756089B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Calculators And Similar Devices (AREA)
  • Input From Keyboards Or The Like (AREA)
JP50101032A 1975-08-19 1975-08-19 Key input unit Granted JPS5224436A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50101032A JPS5224436A (en) 1975-08-19 1975-08-19 Key input unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50101032A JPS5224436A (en) 1975-08-19 1975-08-19 Key input unit

Publications (2)

Publication Number Publication Date
JPS5224436A true JPS5224436A (en) 1977-02-23
JPS5756089B2 JPS5756089B2 (enrdf_load_stackoverflow) 1982-11-27

Family

ID=14289821

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50101032A Granted JPS5224436A (en) 1975-08-19 1975-08-19 Key input unit

Country Status (1)

Country Link
JP (1) JPS5224436A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5567828A (en) * 1978-11-16 1980-05-22 Brother Ind Ltd Keyboard input device
WO1983002833A1 (en) * 1978-08-28 1983-08-18 Yukio Urushibata Digital input device
JPS59155798A (ja) * 1983-02-25 1984-09-04 株式会社東芝 放射性気体廃棄物処理設備における気密検査方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0288397U (enrdf_load_stackoverflow) * 1988-12-26 1990-07-12

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5017929A (enrdf_load_stackoverflow) * 1973-06-18 1975-02-25

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5017929A (enrdf_load_stackoverflow) * 1973-06-18 1975-02-25

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1983002833A1 (en) * 1978-08-28 1983-08-18 Yukio Urushibata Digital input device
JPS5567828A (en) * 1978-11-16 1980-05-22 Brother Ind Ltd Keyboard input device
JPS59155798A (ja) * 1983-02-25 1984-09-04 株式会社東芝 放射性気体廃棄物処理設備における気密検査方法

Also Published As

Publication number Publication date
JPS5756089B2 (enrdf_load_stackoverflow) 1982-11-27

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