BE794179A - INTEGRATED CIRCUIT FOR SELECTING SUBSCRIPTION NUMBERS WITH PUSH BUTTONS - Google Patents

INTEGRATED CIRCUIT FOR SELECTING SUBSCRIPTION NUMBERS WITH PUSH BUTTONS

Info

Publication number
BE794179A
BE794179A BE794179DA BE794179A BE 794179 A BE794179 A BE 794179A BE 794179D A BE794179D A BE 794179DA BE 794179 A BE794179 A BE 794179A
Authority
BE
Belgium
Prior art keywords
integrated circuit
push buttons
subscription numbers
selecting subscription
selecting
Prior art date
Application number
Other languages
Dutch (nl)
Inventor
H B Mader
G Lindstedt
Original Assignee
Itt
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.)
Publication date
Publication of BE794179A publication Critical patent/BE794179A/en

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
    • H04M1/312—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 pulses produced by electronic circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Electrotherapy Devices (AREA)
  • Devices For Supply Of Signal Current (AREA)
BE794179D 1972-01-21 INTEGRATED CIRCUIT FOR SELECTING SUBSCRIPTION NUMBERS WITH PUSH BUTTONS BE794179A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722202850 DE2202850C2 (en) 1972-01-21 1972-01-21 Integrated circuit arrangement for dialing phone numbers

Publications (1)

Publication Number Publication Date
BE794179A true BE794179A (en) 1973-07-18

Family

ID=5833641

Family Applications (1)

Application Number Title Priority Date Filing Date
BE794179D BE794179A (en) 1972-01-21 INTEGRATED CIRCUIT FOR SELECTING SUBSCRIPTION NUMBERS WITH PUSH BUTTONS

Country Status (9)

Country Link
JP (1) JPS4884509A (en)
BE (1) BE794179A (en)
CH (1) CH553521A (en)
DE (1) DE2202850C2 (en)
ES (1) ES410848A1 (en)
FR (1) FR2168473B1 (en)
GB (1) GB1386212A (en)
IT (1) IT978267B (en)
NL (1) NL7300583A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1394148A (en) * 1972-09-11 1975-05-14 Int Standard Electric Corp Push-button telphone subset
FR2319256A1 (en) * 1975-07-23 1977-02-18 Bailleul Roland French telephone network line keyboard adaptor - has circuits to suppress listening control during numbering

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2114075A5 (en) * 1970-11-16 1972-06-30 Cit Alcatel

Also Published As

Publication number Publication date
NL7300583A (en) 1973-07-24
FR2168473A1 (en) 1973-08-31
GB1386212A (en) 1975-03-05
CH553521A (en) 1974-08-30
ES410848A1 (en) 1975-12-16
DE2202850B1 (en) 1973-07-12
DE2202850A1 (en) 1973-07-12
DE2202850C2 (en) 1979-03-15
JPS4884509A (en) 1973-11-09
IT978267B (en) 1974-09-20
FR2168473B1 (en) 1976-05-14

Similar Documents

Publication Publication Date Title
NL161620C (en) METHOD FOR MANUFACTURING AN INTEGRATED CIRCUIT
NL7611199A (en) DEVICE FOR ARRANGING OBJECTS.
BE785902A (en) ROTOREN VOOR MAAIDORSERS VAN HET TYPE MET AXIALE DOORSTROMING.
BE816521A (en) WERKWIJZE EN INRICHTING VOOR HET BEHANDELEN VAN OLIEHOUDENDE ZADEN
NL7606929A (en) DEVICE FOR GUIDING PUSH-BUTTON ELEMENTS.
NL7705006A (en) PROCEDURE FOR MANUFACTURING COPPER NICKEL TINSTRIP MATERIAL.
BE800931A (en) ENKELZIJBANDSYSTEEM VOOR HET DIGITAAL VERWERKEN VAN EEN GEGEVEN AANTAL KANAALSIGNALEN
NL7609031A (en) DEVICE FOR DETECTING THE OPERATION OF BUTTON SWITCHES.
NL168954C (en) PROCESS FOR MANUFACTURING REPRODUCTIONS.
NL161085B (en) DEVICE FOR COVERING SMALL OBJECTS.
NL165108C (en) DEVICE FOR MANUFACTURING BAGS.
NL167812C (en) SWITCH FOR SUPPLYING NEEDLE PULSE.
BE796707A (en) WERKWIJZE EN INRICHTING VOOR HET VORMEN VAN MONOKRISTALLEN
NL7413758A (en) DEVICE FOR MANUFACTURING COPIES.
NL7602774A (en) DEVICE FOR MANUFACTURING HOLDERS.
NL162013C (en) APPARATUS FOR MANUFACTURING GRID PRINTING FORMS.
BE799703A (en) INRICHTING VOOR HET BEREIDEN IN AFGEVEN VAN BEVROREN
NL7601987A (en) DEVICE FOR MANUFACTURING SHAPED OBJECTS.
NL7410215A (en) PROCEDURE FOR MANUFACTURING AN INTEGRATED CIRCUIT.
BE794179A (en) INTEGRATED CIRCUIT FOR SELECTING SUBSCRIPTION NUMBERS WITH PUSH BUTTONS
NL173820C (en) DEVICE FOR CLEANING FOOTWEAR.
NL179450C (en) DEVICE FOR CLEANING FOOTWEAR.
BE806371A (en) SCHAKELING VOOR HET AFSCHEIDEN VAN SYNCHRONISATIESIGNALEN UIT EEN VIDEOSIGNAAL
NL7504203A (en) CIRCUIT FOR OBTAINING CHOICE EFFEKT.
NL174329C (en) DIE FOR MANUFACTURING GEARS.