NL170895C - Toetsenbord met cyclische afvraaginrichting. - Google Patents

Toetsenbord met cyclische afvraaginrichting.

Info

Publication number
NL170895C
NL170895C NLAANVRAGE7115804,A NL7115804A NL170895C NL 170895 C NL170895 C NL 170895C NL 7115804 A NL7115804 A NL 7115804A NL 170895 C NL170895 C NL 170895C
Authority
NL
Netherlands
Prior art keywords
questioner
keyboard
cyclic
cyclic questioner
Prior art date
Application number
NLAANVRAGE7115804,A
Other languages
English (en)
Dutch (nl)
Other versions
NL170895B (nl
NL7115804A (enExample
Inventor
Johannes Hermanus Mar Scholten
Original Assignee
Philips Nv
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
Priority to BE791475D priority Critical patent/BE791475A/xx
Application filed by Philips Nv filed Critical Philips Nv
Priority to NLAANVRAGE7115804,A priority patent/NL170895C/xx
Priority to US00304388A priority patent/US3778818A/en
Priority to DE2255372A priority patent/DE2255372C3/de
Priority to SE7214763A priority patent/SE385986B/xx
Priority to GB5250572A priority patent/GB1410811A/en
Priority to IT54014/72A priority patent/IT973544B/it
Priority to JP11359072A priority patent/JPS538455B2/ja
Priority to CA156,456A priority patent/CA973805A/en
Priority to FR7240705A priority patent/FR2161660A5/fr
Publication of NL7115804A publication Critical patent/NL7115804A/xx
Publication of NL170895B publication Critical patent/NL170895B/xx
Application granted granted Critical
Publication of NL170895C publication Critical patent/NL170895C/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L13/00—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00
    • H04L13/16—Details of the apparatus or circuits covered by groups H04L15/00 or H04L17/00 of transmitters, e.g. code-bars, code-discs
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M11/00—Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys
    • H03M11/003—Phantom keys detection and prevention

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Electronic Switches (AREA)
NLAANVRAGE7115804,A 1971-11-17 1971-11-17 Toetsenbord met cyclische afvraaginrichting. NL170895C (nl)

Priority Applications (10)

Application Number Priority Date Filing Date Title
BE791475D BE791475A (fr) 1971-11-17 Clavier permettant la commande des touches d'une maniere liee
NLAANVRAGE7115804,A NL170895C (nl) 1971-11-17 1971-11-17 Toetsenbord met cyclische afvraaginrichting.
US00304388A US3778818A (en) 1971-11-17 1972-11-07 Keyboard with roll-over feature
DE2255372A DE2255372C3 (de) 1971-11-17 1972-11-11 Tastatur mit einer Abfrageanordnung
SE7214763A SE385986B (sv) 1971-11-17 1972-11-14 Tangentbord med "overrullning"
GB5250572A GB1410811A (en) 1971-11-17 1972-11-14 Keyboard apparatus
IT54014/72A IT973544B (it) 1971-11-17 1972-11-14 Perfezionamento nelle tastiere per calcolatori elettronic
JP11359072A JPS538455B2 (enExample) 1971-11-17 1972-11-14
CA156,456A CA973805A (en) 1971-11-17 1972-11-15 Keyboard with roll-over feature
FR7240705A FR2161660A5 (enExample) 1971-11-17 1972-11-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7115804,A NL170895C (nl) 1971-11-17 1971-11-17 Toetsenbord met cyclische afvraaginrichting.

Publications (3)

Publication Number Publication Date
NL7115804A NL7115804A (enExample) 1973-05-21
NL170895B NL170895B (nl) 1982-08-02
NL170895C true NL170895C (nl) 1983-01-03

Family

ID=19814496

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7115804,A NL170895C (nl) 1971-11-17 1971-11-17 Toetsenbord met cyclische afvraaginrichting.

Country Status (10)

Country Link
US (1) US3778818A (enExample)
JP (1) JPS538455B2 (enExample)
BE (1) BE791475A (enExample)
CA (1) CA973805A (enExample)
DE (1) DE2255372C3 (enExample)
FR (1) FR2161660A5 (enExample)
GB (1) GB1410811A (enExample)
IT (1) IT973544B (enExample)
NL (1) NL170895C (enExample)
SE (1) SE385986B (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4096935A (en) * 1974-02-22 1978-06-27 Canon Kabushiki Kaisha Input device
JPS5535679U (enExample) * 1978-08-31 1980-03-07
FR2447089A1 (fr) * 1979-01-17 1980-08-14 Serras Paulet Edouard Clavier de commande a touches et interrupteurs mecaniques
FR2449388A1 (fr) * 1979-02-13 1980-09-12 Cii Honeywell Bull Clavier electronique
EP0095023A3 (en) * 1982-05-20 1985-04-10 International Business Machines Corporation Contact keyboard with finger controlled n-key rollover
US4500169A (en) * 1982-07-13 1985-02-19 Donnelly John H Cosmetic and observer line of sight mirror

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5035372B1 (enExample) * 1970-03-26 1975-11-15

Also Published As

Publication number Publication date
NL170895B (nl) 1982-08-02
DE2255372B2 (de) 1977-10-13
SE385986B (sv) 1976-07-26
IT973544B (it) 1974-06-10
GB1410811A (en) 1975-10-22
CA973805A (en) 1975-09-02
DE2255372A1 (de) 1973-05-24
US3778818A (en) 1973-12-11
JPS538455B2 (enExample) 1978-03-29
JPS4858922A (enExample) 1973-08-18
BE791475A (fr) 1973-05-16
FR2161660A5 (enExample) 1973-07-06
NL7115804A (enExample) 1973-05-21
DE2255372C3 (de) 1978-06-08

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee