DE3739142A1 - Tastatur - Google Patents

Tastatur

Info

Publication number
DE3739142A1
DE3739142A1 DE19873739142 DE3739142A DE3739142A1 DE 3739142 A1 DE3739142 A1 DE 3739142A1 DE 19873739142 DE19873739142 DE 19873739142 DE 3739142 A DE3739142 A DE 3739142A DE 3739142 A1 DE3739142 A1 DE 3739142A1
Authority
DE
Germany
Prior art keywords
mat
keys
bead
keyboard according
thickenings
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
DE19873739142
Other languages
German (de)
English (en)
Other versions
DE3739142C2 (https=
Inventor
Alfred Laffter
Hans Unger
Rainer Benzing
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.)
Carl Freudenberg KG
Original Assignee
Carl Freudenberg KG
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 Carl Freudenberg KG filed Critical Carl Freudenberg KG
Priority to DE19873739142 priority Critical patent/DE3739142A1/de
Publication of DE3739142A1 publication Critical patent/DE3739142A1/de
Application granted granted Critical
Publication of DE3739142C2 publication Critical patent/DE3739142C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G25/00—Other details or appurtenances of control mechanisms, e.g. supporting intermediate members elastically
    • G05G25/04—Sealing against entry of dust, weather or the like
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05G—CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY
    • G05G1/00—Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members
    • G05G1/02—Controlling members for hand actuation by linear movement, e.g. push buttons

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Push-Button Switches (AREA)
  • Input From Keyboards Or The Like (AREA)
DE19873739142 1987-11-19 1987-11-19 Tastatur Granted DE3739142A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19873739142 DE3739142A1 (de) 1987-11-19 1987-11-19 Tastatur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19873739142 DE3739142A1 (de) 1987-11-19 1987-11-19 Tastatur

Publications (2)

Publication Number Publication Date
DE3739142A1 true DE3739142A1 (de) 1989-06-01
DE3739142C2 DE3739142C2 (https=) 1991-05-08

Family

ID=6340752

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873739142 Granted DE3739142A1 (de) 1987-11-19 1987-11-19 Tastatur

Country Status (1)

Country Link
DE (1) DE3739142A1 (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2700886A1 (fr) * 1993-01-25 1994-07-29 Sextant Avionique Membrane élastique d'étanchéité pour bouton poussoir.
US5697718A (en) * 1995-07-07 1997-12-16 Itronix Corporation Weather sealed keyboard assembly for portable personal computers
EP0845409A3 (en) * 1996-11-05 2001-03-21 The Boeing Company Method and apparatus for sealing an aircraft penetration

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1944140B2 (de) * 1969-08-30 1972-02-17 Olympia Werke Ag, 2940 Wilhelmshaven Tastatur fuer bueromaschinen
DE3145070A1 (de) * 1981-11-13 1983-06-01 Rafi Gmbh & Co Elektrotechnische Spezialfabrik, 7981 Berg "drucktaster fuer schalttafeln"
DE3608568A1 (de) * 1986-03-14 1987-09-17 Bbc Brown Boveri & Cie Mit einem schaltgeraet kuppelbares betaetigungselement

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1944140B2 (de) * 1969-08-30 1972-02-17 Olympia Werke Ag, 2940 Wilhelmshaven Tastatur fuer bueromaschinen
DE3145070A1 (de) * 1981-11-13 1983-06-01 Rafi Gmbh & Co Elektrotechnische Spezialfabrik, 7981 Berg "drucktaster fuer schalttafeln"
DE3608568A1 (de) * 1986-03-14 1987-09-17 Bbc Brown Boveri & Cie Mit einem schaltgeraet kuppelbares betaetigungselement

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2700886A1 (fr) * 1993-01-25 1994-07-29 Sextant Avionique Membrane élastique d'étanchéité pour bouton poussoir.
US5697718A (en) * 1995-07-07 1997-12-16 Itronix Corporation Weather sealed keyboard assembly for portable personal computers
EP0845409A3 (en) * 1996-11-05 2001-03-21 The Boeing Company Method and apparatus for sealing an aircraft penetration

Also Published As

Publication number Publication date
DE3739142C2 (https=) 1991-05-08

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8330 Complete disclaimer