GB1417845A - Coding keyboard - Google Patents

Coding keyboard

Info

Publication number
GB1417845A
GB1417845A GB5356572A GB5356572A GB1417845A GB 1417845 A GB1417845 A GB 1417845A GB 5356572 A GB5356572 A GB 5356572A GB 5356572 A GB5356572 A GB 5356572A GB 1417845 A GB1417845 A GB 1417845A
Authority
GB
United Kingdom
Prior art keywords
plate
magnet
printed circuit
fixed
button
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
GB5356572A
Other languages
English (en)
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.)
DAPPLICATIONS GENERALES DELECT
Sagem SA
Original Assignee
DAPPLICATIONS GENERALES DELECT
Sagem SA
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 DAPPLICATIONS GENERALES DELECT, Sagem SA filed Critical DAPPLICATIONS GENERALES DELECT
Publication of GB1417845A publication Critical patent/GB1417845A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/23—Construction or mounting of dials or of equivalent devices; Means for facilitating the use thereof
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Push-Button Switches (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
GB5356572A 1971-12-30 1972-11-20 Coding keyboard Expired GB1417845A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7147578A FR2166587A5 (https=) 1971-12-30 1971-12-30

Publications (1)

Publication Number Publication Date
GB1417845A true GB1417845A (en) 1975-12-17

Family

ID=9088398

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5356572A Expired GB1417845A (en) 1971-12-30 1972-11-20 Coding keyboard

Country Status (9)

Country Link
US (1) US3828910A (https=)
BR (1) BR7207850D0 (https=)
DD (1) DD104754A5 (https=)
DE (1) DE2253866A1 (https=)
ES (1) ES408145A1 (https=)
FR (1) FR2166587A5 (https=)
GB (1) GB1417845A (https=)
IT (1) IT970253B (https=)
NL (1) NL7214969A (https=)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4067431A (en) * 1976-03-12 1978-01-10 Whitaker Ranald O Combinational keyboard with movable keys and adapted for one-handed keying of numerical information
US4331945A (en) * 1980-09-23 1982-05-25 Cattani Ii Cyrus J Magnetically actuatable tamper switch assembly
FR2508228A1 (fr) * 1981-06-19 1982-12-24 Thomson Csf Mat Tel Procede de fabrication d'un clavier de commande, et clavier de commande obtenu par ce procede

Also Published As

Publication number Publication date
US3828910A (en) 1974-08-13
FR2166587A5 (https=) 1973-08-17
DE2253866A1 (de) 1973-07-12
BR7207850D0 (pt) 1973-09-13
IT970253B (it) 1974-04-10
NL7214969A (https=) 1973-07-03
ES408145A1 (es) 1975-11-16
DD104754A5 (https=) 1974-03-20

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Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed