GB1377338A - Telecommunications dial switches - Google Patents

Telecommunications dial switches

Info

Publication number
GB1377338A
GB1377338A GB1815373A GB1815373A GB1377338A GB 1377338 A GB1377338 A GB 1377338A GB 1815373 A GB1815373 A GB 1815373A GB 1815373 A GB1815373 A GB 1815373A GB 1377338 A GB1377338 A GB 1377338A
Authority
GB
United Kingdom
Prior art keywords
components
telecommunications
base
drive spring
rotatable component
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
GB1815373A
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 Corp
Original Assignee
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 Corp filed Critical Siemens Corp
Publication of GB1377338A publication Critical patent/GB1377338A/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
    • H04M1/26—Devices for calling a subscriber
    • H04M1/30—Devices which can set up and transmit only one digit at a time
    • H04M1/31—Devices which can set up and transmit only one digit at a time by interrupting current to generate trains of pulses; by periodically opening and closing contacts to generate trains of pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Telephone Set Structure (AREA)
  • Toys (AREA)
GB1815373A 1972-05-24 1973-04-16 Telecommunications dial switches Expired GB1377338A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2225225A DE2225225B2 (de) 1972-05-24 1972-05-24 Nummernschalter für Fernmeldeinsbesondere Fernsprechgeräte

Publications (1)

Publication Number Publication Date
GB1377338A true GB1377338A (en) 1974-12-11

Family

ID=5845744

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1815373A Expired GB1377338A (en) 1972-05-24 1973-04-16 Telecommunications dial switches

Country Status (11)

Country Link
AR (1) AR194560A1 (enExample)
BE (1) BE799983A (enExample)
BR (1) BR7303834D0 (enExample)
CH (1) CH548712A (enExample)
DE (1) DE2225225B2 (enExample)
FR (1) FR2185903A1 (enExample)
GB (1) GB1377338A (enExample)
IT (1) IT987785B (enExample)
LU (1) LU67638A1 (enExample)
NL (1) NL7306108A (enExample)
ZA (1) ZA732876B (enExample)

Also Published As

Publication number Publication date
DE2225225B2 (de) 1974-04-18
ZA732876B (en) 1974-03-27
NL7306108A (enExample) 1973-11-27
LU67638A1 (enExample) 1973-07-26
DE2225225A1 (de) 1973-12-06
IT987785B (it) 1975-03-20
BE799983A (fr) 1973-11-26
FR2185903A1 (enExample) 1974-01-04
BR7303834D0 (pt) 1973-12-20
AR194560A1 (es) 1973-07-23
CH548712A (de) 1974-04-30

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Legal Events

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