CH592986A5 - - Google Patents

Info

Publication number
CH592986A5
CH592986A5 CH601075A CH601075A CH592986A5 CH 592986 A5 CH592986 A5 CH 592986A5 CH 601075 A CH601075 A CH 601075A CH 601075 A CH601075 A CH 601075A CH 592986 A5 CH592986 A5 CH 592986A5
Authority
CH
Switzerland
Application number
CH601075A
Original Assignee
Neumann Elektronik Gmbh
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 Neumann Elektronik Gmbh filed Critical Neumann Elektronik Gmbh
Publication of CH592986A5 publication Critical patent/CH592986A5/xx

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
CH601075A 1974-05-10 1975-05-09 CH592986A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2422806A DE2422806C3 (en) 1974-05-10 1974-05-10 Device for the concentration of the line selection means in a key-operated intercom

Publications (1)

Publication Number Publication Date
CH592986A5 true CH592986A5 (en) 1977-11-15

Family

ID=5915241

Family Applications (1)

Application Number Title Priority Date Filing Date
CH601075A CH592986A5 (en) 1974-05-10 1975-05-09

Country Status (4)

Country Link
AT (1) AT339383B (en)
BE (1) BE828870A (en)
CH (1) CH592986A5 (en)
DE (1) DE2422806C3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2758776C2 (en) * 1977-12-29 1987-11-12 Neumann Elektronik GmbH, 4330 Mülheim Electrical transmission system, in particular exchange, counter or loudspeaker system
DE3000858C2 (en) * 1980-01-11 1986-11-13 Neumann Elektronik GmbH, 4330 Mülheim Button-controlled exchange, counter or loudspeaker system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3701854A (en) * 1970-12-21 1972-10-31 Bell Telephone Labor Inc Key telephone system call signaling and station set data transfer arrangement
US3806662A (en) * 1972-07-25 1974-04-23 Gte Automatic Electric Lab Inc Building entrance control system with key-pad control

Also Published As

Publication number Publication date
BE828870A (en) 1975-09-01
AT339383B (en) 1977-10-10
ATA285275A (en) 1977-02-15
DE2422806A1 (en) 1975-11-20
DE2422806C3 (en) 1985-08-29
DE2422806B2 (en) 1978-08-17

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Legal Events

Date Code Title Description
PL Patent ceased