GB1196861A - Improvements in or relating to Keyboards for Code-Dialling. - Google Patents

Improvements in or relating to Keyboards for Code-Dialling.

Info

Publication number
GB1196861A
GB1196861A GB1716368A GB1716368A GB1196861A GB 1196861 A GB1196861 A GB 1196861A GB 1716368 A GB1716368 A GB 1716368A GB 1716368 A GB1716368 A GB 1716368A GB 1196861 A GB1196861 A GB 1196861A
Authority
GB
United Kingdom
Prior art keywords
magnetic
contact
flux
code
contact units
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
GB1716368A
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.)
Siemens AG
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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 AG, Siemens Corp filed Critical Siemens AG
Publication of GB1196861A publication Critical patent/GB1196861A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Push-Button Switches (AREA)
GB1716368A 1967-04-14 1968-04-10 Improvements in or relating to Keyboards for Code-Dialling. Expired GB1196861A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1967S0109334 DE1291382B (de) 1967-04-14 1967-04-14 Waehltastatur fuer Codewahl, bei der magnetisierbare Kontakte mit Hilfe von veraenderbaren Dauermagnetfeldern beeinflusst werden

Publications (1)

Publication Number Publication Date
GB1196861A true GB1196861A (en) 1970-07-01

Family

ID=7529442

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1716368A Expired GB1196861A (en) 1967-04-14 1968-04-10 Improvements in or relating to Keyboards for Code-Dialling.

Country Status (6)

Country Link
AT (1) AT289899B (enrdf_load_stackoverflow)
BE (1) BE713667A (enrdf_load_stackoverflow)
CH (1) CH477078A (enrdf_load_stackoverflow)
DE (1) DE1291382B (enrdf_load_stackoverflow)
GB (1) GB1196861A (enrdf_load_stackoverflow)
NL (1) NL6804545A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5045284A (enrdf_load_stackoverflow) * 1973-08-25 1975-04-23

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5045284A (enrdf_load_stackoverflow) * 1973-08-25 1975-04-23

Also Published As

Publication number Publication date
DE1291382B (de) 1969-03-27
AT289899B (de) 1971-05-10
NL6804545A (enrdf_load_stackoverflow) 1968-10-15
CH477078A (de) 1969-08-15
BE713667A (enrdf_load_stackoverflow) 1968-10-14

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees