AU2451677A - Circuit board arrangement for keyboard - Google Patents

Circuit board arrangement for keyboard

Info

Publication number
AU2451677A
AU2451677A AU24516/77A AU2451677A AU2451677A AU 2451677 A AU2451677 A AU 2451677A AU 24516/77 A AU24516/77 A AU 24516/77A AU 2451677 A AU2451677 A AU 2451677A AU 2451677 A AU2451677 A AU 2451677A
Authority
AU
Australia
Prior art keywords
keyboard
circuit board
board arrangement
arrangement
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
Application number
AU24516/77A
Other versions
AU507360B2 (en
Inventor
W. and Schmid-Zeller K Wachs
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of AU2451677A publication Critical patent/AU2451677A/en
Application granted granted Critical
Publication of AU507360B2 publication Critical patent/AU507360B2/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J5/00—Devices or arrangements for controlling character selection
    • B41J5/08—Character or syllable selected by means of keys or keyboards of the typewriter type
AU24516/77A 1976-04-26 1977-04-22 Circuit board arrangement for keyboard Expired AU507360B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEDE2618143 1976-04-26
DE19762618143 DE2618143A1 (en) 1976-04-26 1976-04-26 ARRANGEMENT IN KEYBOARDS OF OFFICE, DATA OR TELEPHONE MACHINES

Publications (2)

Publication Number Publication Date
AU2451677A true AU2451677A (en) 1978-10-26
AU507360B2 AU507360B2 (en) 1980-02-14

Family

ID=5976235

Family Applications (1)

Application Number Title Priority Date Filing Date
AU24516/77A Expired AU507360B2 (en) 1976-04-26 1977-04-22 Circuit board arrangement for keyboard

Country Status (10)

Country Link
JP (1) JPS52130525A (en)
AU (1) AU507360B2 (en)
CH (1) CH605147A5 (en)
DE (1) DE2618143A1 (en)
FR (1) FR2360428A1 (en)
GB (1) GB1530425A (en)
IT (1) IT1075641B (en)
NL (1) NL7704510A (en)
SE (1) SE7704722L (en)
ZA (1) ZA772459B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2447089A1 (en) * 1979-01-17 1980-08-14 Serras Paulet Edouard KEY CONTROL KEYBOARD AND MECHANICAL SWITCHES
EP0258363B1 (en) * 1986-02-24 1992-06-17 SOULOUMIAC, Alain Improvements to optical scanning keyboards
FR2604658B1 (en) * 1986-10-02 1994-05-20 Souloumiac Alain MATRIX SCAN KEYBOARD

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3886335A (en) * 1973-01-26 1975-05-27 Ind Electronics Engineers Inc Collated cable matrix switch

Also Published As

Publication number Publication date
ZA772459B (en) 1978-03-29
IT1075641B (en) 1985-04-22
GB1530425A (en) 1978-11-01
DE2618143A1 (en) 1977-11-03
SE7704722L (en) 1977-10-27
AU507360B2 (en) 1980-02-14
FR2360428A1 (en) 1978-03-03
NL7704510A (en) 1977-10-28
CH605147A5 (en) 1978-09-29
JPS52130525A (en) 1977-11-01

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