JPH0315853B2 - - Google Patents

Info

Publication number
JPH0315853B2
JPH0315853B2 JP57175908A JP17590882A JPH0315853B2 JP H0315853 B2 JPH0315853 B2 JP H0315853B2 JP 57175908 A JP57175908 A JP 57175908A JP 17590882 A JP17590882 A JP 17590882A JP H0315853 B2 JPH0315853 B2 JP H0315853B2
Authority
JP
Japan
Prior art keywords
signal
key
output
sense amplifier
logic circuit
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.)
Expired - Lifetime
Application number
JP57175908A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5965348A (ja
Inventor
Hiroshi Hasegawa
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.)
TOPURE KK
Original Assignee
TOPURE KK
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 TOPURE KK filed Critical TOPURE KK
Priority to JP57175908A priority Critical patent/JPS5965348A/ja
Publication of JPS5965348A publication Critical patent/JPS5965348A/ja
Publication of JPH0315853B2 publication Critical patent/JPH0315853B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965—Switches controlled by moving an element forming part of the switch
    • H03K17/975—Switches controlled by moving an element forming part of the switch using a capacitive movable element
    • H03K17/98—Switches controlled by moving an element forming part of the switch using a capacitive movable element having a plurality of control members, e.g. keyboard

Landscapes

  • Input From Keyboards Or The Like (AREA)
  • Electronic Switches (AREA)
JP57175908A 1982-10-06 1982-10-06 キヤパシテイブキ−ボ−ド Granted JPS5965348A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57175908A JPS5965348A (ja) 1982-10-06 1982-10-06 キヤパシテイブキ−ボ−ド

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57175908A JPS5965348A (ja) 1982-10-06 1982-10-06 キヤパシテイブキ−ボ−ド

Publications (2)

Publication Number Publication Date
JPS5965348A JPS5965348A (ja) 1984-04-13
JPH0315853B2 true JPH0315853B2 (enrdf_load_stackoverflow) 1991-03-04

Family

ID=16004336

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57175908A Granted JPS5965348A (ja) 1982-10-06 1982-10-06 キヤパシテイブキ−ボ−ド

Country Status (1)

Country Link
JP (1) JPS5965348A (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0731570B2 (ja) * 1985-05-15 1995-04-10 沖電気工業株式会社 静電容量型キ−ボ−ドの制御方式
NL8901018A (nl) * 1989-04-24 1990-11-16 Philips Nv Electronisch telefoontoestel.
KR100799194B1 (ko) 2006-12-28 2008-01-29 삼성전자주식회사 전자 기기에서 키 입력 장치
JP5797973B2 (ja) * 2011-02-08 2015-10-21 ローム株式会社 容量電圧変換回路、それを用いた入力装置、電子機器、ならびに容量電圧変換方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6036607B2 (ja) * 1978-10-04 1985-08-21 富士通株式会社 静電容量形キ−ボ−ド

Also Published As

Publication number Publication date
JPS5965348A (ja) 1984-04-13

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