JPS542020A - Key control system - Google Patents

Key control system

Info

Publication number
JPS542020A
JPS542020A JP6719477A JP6719477A JPS542020A JP S542020 A JPS542020 A JP S542020A JP 6719477 A JP6719477 A JP 6719477A JP 6719477 A JP6719477 A JP 6719477A JP S542020 A JPS542020 A JP S542020A
Authority
JP
Japan
Prior art keywords
key control
control system
keys
key
numerica
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.)
Pending
Application number
JP6719477A
Other languages
Japanese (ja)
Inventor
Junji Aoki
Akiyoshi Tanimoto
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 JP6719477A priority Critical patent/JPS542020A/en
Publication of JPS542020A publication Critical patent/JPS542020A/en
Pending legal-status Critical Current

Links

Landscapes

  • Details Of Television Systems (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Selective Calling Equipment (AREA)

Abstract

PURPOSE: To make small the numerica keys in size and to increase the reliability of key operation, by commonly using the numeric keys for data input, channel designation information, and volume control, and by providing the key control circuit respectively discriminating the usage with predetermined modes.
COPYRIGHT: (C)1979,JPO&Japio
JP6719477A 1977-06-06 1977-06-06 Key control system Pending JPS542020A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6719477A JPS542020A (en) 1977-06-06 1977-06-06 Key control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6719477A JPS542020A (en) 1977-06-06 1977-06-06 Key control system

Publications (1)

Publication Number Publication Date
JPS542020A true JPS542020A (en) 1979-01-09

Family

ID=13337842

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6719477A Pending JPS542020A (en) 1977-06-06 1977-06-06 Key control system

Country Status (1)

Country Link
JP (1) JPS542020A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5674529A (en) * 1979-11-21 1981-06-20 Sanyo Electric Co Ltd Electronically controlled cooker
JPS5853210A (en) * 1981-09-25 1983-03-29 Arupain Kk Presetting device
JPH0264286U (en) * 1989-11-20 1990-05-15

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5263052A (en) * 1975-09-11 1977-05-25 Orange Musical Ind Ltd Digital control amplifier

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5263052A (en) * 1975-09-11 1977-05-25 Orange Musical Ind Ltd Digital control amplifier

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5674529A (en) * 1979-11-21 1981-06-20 Sanyo Electric Co Ltd Electronically controlled cooker
JPS5853210A (en) * 1981-09-25 1983-03-29 Arupain Kk Presetting device
JPH0264286U (en) * 1989-11-20 1990-05-15

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