JPS5232633A - Testing equipment for keying board - Google Patents

Testing equipment for keying board

Info

Publication number
JPS5232633A
JPS5232633A JP50108565A JP10856575A JPS5232633A JP S5232633 A JPS5232633 A JP S5232633A JP 50108565 A JP50108565 A JP 50108565A JP 10856575 A JP10856575 A JP 10856575A JP S5232633 A JPS5232633 A JP S5232633A
Authority
JP
Japan
Prior art keywords
keying
testing equipment
board
keying board
approximated
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
JP50108565A
Other languages
Japanese (ja)
Other versions
JPS5922253B2 (en
Inventor
Tatsuo Hayashi
Toshio Shimizu
Toshio Nagano
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP50108565A priority Critical patent/JPS5922253B2/en
Publication of JPS5232633A publication Critical patent/JPS5232633A/en
Publication of JPS5922253B2 publication Critical patent/JPS5922253B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Calculators And Similar Devices (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Push-Button Switches (AREA)

Abstract

PURPOSE: The tip parts of plunger for performing continuous keying are formed by main part and bag-shaped silicon rubber materials; condenser is installed to conduction circuit. Thus, the keying properties is approximated to that of fingers, improving dependability.
COPYRIGHT: (C)1977,JPO&Japio
JP50108565A 1975-09-09 1975-09-09 striking device Expired JPS5922253B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50108565A JPS5922253B2 (en) 1975-09-09 1975-09-09 striking device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50108565A JPS5922253B2 (en) 1975-09-09 1975-09-09 striking device

Publications (2)

Publication Number Publication Date
JPS5232633A true JPS5232633A (en) 1977-03-12
JPS5922253B2 JPS5922253B2 (en) 1984-05-25

Family

ID=14488037

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50108565A Expired JPS5922253B2 (en) 1975-09-09 1975-09-09 striking device

Country Status (1)

Country Link
JP (1) JPS5922253B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59112886A (en) * 1982-12-21 1984-06-29 Asahi Glass Kankyo Eng Kk Conversion of industrial waste matter containing noxious substance into unnoxious state
US5045213A (en) * 1988-06-10 1991-09-03 Southern Water Treatment Company, Inc. Waste water treatment method and apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08310710A (en) * 1995-05-17 1996-11-26 Nec Corp Sheet stacking device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59112886A (en) * 1982-12-21 1984-06-29 Asahi Glass Kankyo Eng Kk Conversion of industrial waste matter containing noxious substance into unnoxious state
US5045213A (en) * 1988-06-10 1991-09-03 Southern Water Treatment Company, Inc. Waste water treatment method and apparatus

Also Published As

Publication number Publication date
JPS5922253B2 (en) 1984-05-25

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