GB1250174A - - Google Patents

Info

Publication number
GB1250174A
GB1250174A GB4587768A GB1250174DA GB1250174A GB 1250174 A GB1250174 A GB 1250174A GB 4587768 A GB4587768 A GB 4587768A GB 1250174D A GB1250174D A GB 1250174DA GB 1250174 A GB1250174 A GB 1250174A
Authority
GB
United Kingdom
Prior art keywords
sliders
fingers
slider
housing
finger
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
GB4587768A
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 GB1250174A publication Critical patent/GB1250174A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/06—Methods or arrangements for sensing record carriers, e.g. for reading patterns by means which conduct current when a mark is sensed or absent, e.g. contact brush for a conductive mark

Landscapes

  • Engineering & Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Push-Button Switches (AREA)
  • Calculators And Similar Devices (AREA)
GB4587768A 1968-09-27 1968-09-27 Expired GB1250174A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4587768 1968-09-27

Publications (1)

Publication Number Publication Date
GB1250174A true GB1250174A (enrdf_load_stackoverflow) 1971-10-20

Family

ID=10438946

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4587768A Expired GB1250174A (enrdf_load_stackoverflow) 1968-09-27 1968-09-27

Country Status (2)

Country Link
US (1) US3609255A (enrdf_load_stackoverflow)
GB (1) GB1250174A (enrdf_load_stackoverflow)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2935577A (en) * 1957-11-05 1960-05-03 Switchcraft Push button switches
US3146320A (en) * 1961-06-01 1964-08-25 Wang Laboratories Multiple slide switch
US3118025A (en) * 1962-03-26 1964-01-14 Martin W Boesl Selective push-button electric switch device
US3290439A (en) * 1963-04-29 1966-12-06 Willcox Data encoding keyboard
GB1051897A (enrdf_load_stackoverflow) * 1963-06-11
US3378652A (en) * 1966-06-20 1968-04-16 Hammond Corp Keyboard switch assembly with improved contact means
US3465113A (en) * 1968-02-19 1969-09-02 Cherry Electrical Prod Read-out slide switch

Also Published As

Publication number Publication date
US3609255A (en) 1971-09-28

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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