GB1238258A - - Google Patents

Info

Publication number
GB1238258A
GB1238258A GB996669A GB1238258DA GB1238258A GB 1238258 A GB1238258 A GB 1238258A GB 996669 A GB996669 A GB 996669A GB 1238258D A GB1238258D A GB 1238258DA GB 1238258 A GB1238258 A GB 1238258A
Authority
GB
United Kingdom
Prior art keywords
button
digit
buttons
store
switch
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
GB996669A
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 GB1238258A publication Critical patent/GB1238258A/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
    • H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
    • H04M1/274—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc
    • H04M1/2745—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc using static electronic memories, e.g. chips
    • H04M1/27495—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc using static electronic memories, e.g. chips implemented by means of discrete electronic components, i.e. neither programmable nor microprocessor-controlled

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Signal Processing (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
GB996669A 1969-02-25 1969-02-25 Expired GB1238258A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB996669 1969-02-25

Publications (1)

Publication Number Publication Date
GB1238258A true GB1238258A (de) 1971-07-07

Family

ID=9882065

Family Applications (1)

Application Number Title Priority Date Filing Date
GB996669A Expired GB1238258A (de) 1969-02-25 1969-02-25

Country Status (1)

Country Link
GB (1) GB1238258A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4008380A (en) * 1975-06-30 1977-02-15 Rood Tool Co. Telephone conversion unit with multiple memory system
WO1981000987A1 (en) * 1979-10-05 1981-04-16 Marshall E Design Int Ltd Keyboard operable printing means with optional programmed auto-operation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4008380A (en) * 1975-06-30 1977-02-15 Rood Tool Co. Telephone conversion unit with multiple memory system
WO1981000987A1 (en) * 1979-10-05 1981-04-16 Marshall E Design Int Ltd Keyboard operable printing means with optional programmed auto-operation

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee