NL164979B - Druktoetsschakelpaneel met piezo-elektrische eenheids- elementen. - Google Patents

Druktoetsschakelpaneel met piezo-elektrische eenheids- elementen.

Info

Publication number
NL164979B
NL164979B NL7412298.A NL164979DA NL164979B NL 164979 B NL164979 B NL 164979B NL 164979D A NL164979D A NL 164979DA NL 164979 B NL164979 B NL 164979B
Authority
NL
Netherlands
Prior art keywords
push button
button switch
switch panel
electrical unit
unit elements
Prior art date
Application number
NL7412298.A
Other languages
English (en)
Dutch (nl)
Original Assignee
Kureha Chemical Ind 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.)
Publication of NL164979B publication Critical patent/NL164979B/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
NL7412298.A 1951-10-27 Druktoetsschakelpaneel met piezo-elektrische eenheids- elementen. NL164979B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL316568X 1951-10-27

Publications (1)

Publication Number Publication Date
NL164979B true NL164979B (nl)

Family

ID=19783822

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7412298.A NL164979B (nl) 1951-10-27 Druktoetsschakelpaneel met piezo-elektrische eenheids- elementen.

Country Status (6)

Country Link
BE (1) BE514844A (pm)
CH (1) CH316568A (pm)
DE (1) DE942280C (pm)
FR (1) FR1078974A (pm)
GB (1) GB759756A (pm)
NL (1) NL164979B (pm)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE394383A (pm) * 1932-02-17
NL62797C (pm) * 1941-07-10

Also Published As

Publication number Publication date
FR1078974A (fr) 1954-11-24
BE514844A (pm)
CH316568A (fr) 1956-10-15
GB759756A (en) 1956-10-24
DE942280C (de) 1956-05-03

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