GB1258786A - - Google Patents

Info

Publication number
GB1258786A
GB1258786A GB1258786DA GB1258786A GB 1258786 A GB1258786 A GB 1258786A GB 1258786D A GB1258786D A GB 1258786DA GB 1258786 A GB1258786 A GB 1258786A
Authority
GB
United Kingdom
Prior art keywords
key lever
tab
encoding device
light
paths
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
Other languages
English (en)
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 filed Critical
Publication of GB1258786A publication Critical patent/GB1258786A/en
Expired legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Push-Button Switches (AREA)
GB1258786D 1968-01-29 1969-01-23 Expired GB1258786A (en))

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US70137768A 1968-01-29 1968-01-29

Publications (1)

Publication Number Publication Date
GB1258786A true GB1258786A (en)) 1971-12-30

Family

ID=24817117

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1258786D Expired GB1258786A (en)) 1968-01-29 1969-01-23

Country Status (7)

Country Link
US (1) US3507995A (en))
BE (1) BE727532A (en))
CH (1) CH481756A (en))
DE (1) DE1901622A1 (en))
FR (1) FR1586594A (en))
GB (1) GB1258786A (en))
NL (1) NL6901440A (en))

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4247211A (en) * 1978-03-04 1981-01-27 Olympia Werke Ag Optically coded keyboard arrangement

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3334237A (en) * 1964-02-07 1967-08-01 Monroe Internat Inc Photoelectric signal control with power keyboard actuated code discs
US3369643A (en) * 1966-03-24 1968-02-20 Avgerinos Encoding keyboard

Also Published As

Publication number Publication date
CH481756A (de) 1969-11-30
BE727532A (en)) 1969-07-01
DE1901622A1 (de) 1969-09-04
DE1901622B2 (en)) 1970-11-19
NL6901440A (en)) 1969-07-31
FR1586594A (en)) 1970-02-20
US3507995A (en) 1970-04-21

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees