JPS5259509A - Piezo-electric switch matrix - Google Patents

Piezo-electric switch matrix

Info

Publication number
JPS5259509A
JPS5259509A JP13509875A JP13509875A JPS5259509A JP S5259509 A JPS5259509 A JP S5259509A JP 13509875 A JP13509875 A JP 13509875A JP 13509875 A JP13509875 A JP 13509875A JP S5259509 A JPS5259509 A JP S5259509A
Authority
JP
Japan
Prior art keywords
piezo
electric switch
switch matrix
contacts
unit
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
JP13509875A
Other languages
Japanese (ja)
Inventor
Toru Yokoyama
Michihiro Hamada
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP13509875A priority Critical patent/JPS5259509A/en
Publication of JPS5259509A publication Critical patent/JPS5259509A/en
Pending legal-status Critical Current

Links

Landscapes

  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

PURPOSE: In the channel switch, contacts of the piezo-electric type relay and signal wires leading to them are made into a solid unit, thereby simplifying the matrix assembly, increasing the durability of contacts and improving the reliability and economy of the unit.
COPYRIGHT: (C)1977,JPO&Japio
JP13509875A 1975-11-12 1975-11-12 Piezo-electric switch matrix Pending JPS5259509A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13509875A JPS5259509A (en) 1975-11-12 1975-11-12 Piezo-electric switch matrix

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13509875A JPS5259509A (en) 1975-11-12 1975-11-12 Piezo-electric switch matrix

Publications (1)

Publication Number Publication Date
JPS5259509A true JPS5259509A (en) 1977-05-17

Family

ID=15143777

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13509875A Pending JPS5259509A (en) 1975-11-12 1975-11-12 Piezo-electric switch matrix

Country Status (1)

Country Link
JP (1) JPS5259509A (en)

Similar Documents

Publication Publication Date Title
GB1537686A (en) Multi-contact push-button switch
CA1034175A (en) Multi-contact push-button switch
JPS5443014A (en) Key code data generator
JPS5259509A (en) Piezo-electric switch matrix
ZA765042B (en) Improvements in or relating to gas-blast switches
JPS51113086A (en) A sequence control circuit
JPS5260005A (en) Piezoelectric type switch matrix
JPS53128227A (en) Multiple switch
NL7610377A (en) COAXIAL 2-TO-N RELAY SWITCH WITH "REED" CONTACTS.
JPS51122787A (en) Insulating spacer
JPS526063A (en) Signal compressure circuit
NL7610430A (en) COAXIAL 1-TO-N RELAY SWITCH WITH "REED" CONTACTS.
JPS526100A (en) Operation indication device for switch
JPS5431233A (en) Switch information read-in circuit
ZA764802B (en) Gas-blast switch
JPS5260006A (en) Electromagnetic coordinate selection unit
JPS5224516A (en) Key switch operation detection circuit
JPS5243981A (en) Multipole changeeover switch
JPS535558A (en) Switch circuit with chattering preventing function
JPS52147908A (en) Switch
JPS5211909A (en) Magnetic recorder
JPS51147167A (en) Cavity cap
JPS51147736A (en) Grounding detecting system
JPS5260007A (en) Electromagnetic coordinate selection unit
JPS535540A (en) Output signal line selection/designation system