GB1001282A - Improvements in or relating to telephone operator's selection keyboards - Google Patents

Improvements in or relating to telephone operator's selection keyboards

Info

Publication number
GB1001282A
GB1001282A GB1858462A GB1858462A GB1001282A GB 1001282 A GB1001282 A GB 1001282A GB 1858462 A GB1858462 A GB 1858462A GB 1858462 A GB1858462 A GB 1858462A GB 1001282 A GB1001282 A GB 1001282A
Authority
GB
United Kingdom
Prior art keywords
telephone operator
keyboards
relating
selection
keys
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
GB1858462A
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.)
Siemens and Halske AG
Siemens AG
Original Assignee
Siemens and Halske AG
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.)
Filing date
Publication date
Application filed by Siemens and Halske AG, Siemens AG filed Critical Siemens and Halske AG
Publication of GB1001282A publication Critical patent/GB1001282A/en
Expired legal-status Critical Current

Links

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
    • H01H13/84—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 characterised by ergonomic functions, e.g. for miniature keyboards; characterised by operational sensory functions, e.g. sound feedback
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Push-Button Switches (AREA)

Abstract

1,001,282. Operators' keyboard sets; sets. SIEMENS & HALSKE A.G. May 15, 1962 [May 15, 1961], No. 18584/62. Headings H4K and H4J. A telephone operator's keyboard comprises a plurality of keys 2 located in tapered recesses 3 formed in a face plate 4 of the board. The exposed surfaces of the keys may be flush with the surface of the face plate (Fig. 2, not shown). Alternatively a removable face plate provided with the tapered apertures may overlie the keys (Fig. 3, not shown).
GB1858462A 1961-05-15 1962-05-15 Improvements in or relating to telephone operator's selection keyboards Expired GB1001282A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES73954A DE1149402B (en) 1961-05-15 1961-05-15 Electrical device equipped with a dial pad, in particular a telephone station with a dial pad

Publications (1)

Publication Number Publication Date
GB1001282A true GB1001282A (en) 1965-08-11

Family

ID=7504309

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1858462A Expired GB1001282A (en) 1961-05-15 1962-05-15 Improvements in or relating to telephone operator's selection keyboards

Country Status (4)

Country Link
BE (1) BE617605A (en)
CH (1) CH391005A (en)
DE (1) DE1149402B (en)
GB (1) GB1001282A (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE827210C (en) * 1950-10-20 1952-01-10 Busch Jaeger Luedenscheider Me Electrical push-button contact for short-term contact

Also Published As

Publication number Publication date
DE1149402B (en) 1963-05-30
BE617605A (en) 1962-08-31
CH391005A (en) 1965-04-30

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