NL7704510A - DEVICE AT AN OFFICE KEYBOARD - DATA OR WRITING MACHINE. - Google Patents

DEVICE AT AN OFFICE KEYBOARD - DATA OR WRITING MACHINE.

Info

Publication number: NL7704510A
Authority: NL; Netherlands
Prior art keywords: data; writing machine; office keyboard; keyboard; office
Prior art date: 1976-04-26

Application number

NL7704510A

Other languages

Dutch (nl)

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.)

1976-04-26

Filing date

1977-04-25

Publication date

1977-10-28

1977-04-25 Application filed by Siemens Ag filed Critical Siemens Ag

1977-10-28 Publication of NL7704510A publication Critical patent/NL7704510A/en

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

NL7704510A 1976-04-26 1977-04-25 DEVICE AT AN OFFICE KEYBOARD - DATA OR WRITING MACHINE. NL7704510A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number	Publication Date
NL7704510A true NL7704510A (en)	1977-10-28

Family

ID=5976235

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7704510A NL7704510A (en)	1976-04-26	1977-04-25	DEVICE AT AN OFFICE KEYBOARD - DATA OR WRITING MACHINE.

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
US4980685A (en) *	1986-02-24	1990-12-25	Alain Souloumiac	Scanning optical keyboard
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

1976
- 1976-04-26 DE DE19762618143 patent/DE2618143A1/en active Pending
1977
- 1977-02-22 GB GB7347/77A patent/GB1530425A/en not_active Expired
- 1977-03-23 CH CH365777A patent/CH605147A5/xx not_active IP Right Cessation
- 1977-04-05 FR FR7710302A patent/FR2360428A1/en not_active Withdrawn
- 1977-04-22 IT IT22743/77A patent/IT1075641B/en active
- 1977-04-22 AU AU24516/77A patent/AU507360B2/en not_active Expired
- 1977-04-25 NL NL7704510A patent/NL7704510A/en not_active Application Discontinuation
- 1977-04-25 SE SE7704722A patent/SE7704722L/en unknown
- 1977-04-25 ZA ZA00772459A patent/ZA772459B/en unknown
- 1977-04-26 JP JP4830977A patent/JPS52130525A/en active Pending

Also Published As

Publication number	Publication date
AU2451677A (en)	1978-10-26
AU507360B2 (en)	1980-02-14
DE2618143A1 (en)	1977-11-03
ZA772459B (en)	1978-03-29
FR2360428A1 (en)	1978-03-03
SE7704722L (en)	1977-10-27
GB1530425A (en)	1978-11-01
IT1075641B (en)	1985-04-22
CH605147A5 (en)	1978-09-29
JPS52130525A (en)	1977-11-01

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Legal Events

Date	Code	Title	Description
1983-12-01	BV	The patent application has lapsed