GB1369829A - Electric impulse transmitters - Google Patents

Electric impulse transmitters

Info

Publication number
GB1369829A
GB1369829A GB5992771A GB5992771A GB1369829A GB 1369829 A GB1369829 A GB 1369829A GB 5992771 A GB5992771 A GB 5992771A GB 5992771 A GB5992771 A GB 5992771A GB 1369829 A GB1369829 A GB 1369829A
Authority
GB
United Kingdom
Prior art keywords
signal
stage
gate
store
stable
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
GB5992771A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB5992771A priority Critical patent/GB1369829A/en
Priority to ZA728043A priority patent/ZA728043B/xx
Priority to IE1572/72A priority patent/IE37079B1/xx
Priority to AU49596/72A priority patent/AU470553B2/en
Priority to DE2262505A priority patent/DE2262505C2/de
Priority to IT33187/72A priority patent/IT972579B/it
Priority to FR7245702A priority patent/FR2165649A5/fr
Priority to ES409985A priority patent/ES409985A1/es
Publication of GB1369829A publication Critical patent/GB1369829A/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
    • 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
    • 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
    • H04M1/515—Devices for calling a subscriber by generating or selecting signals other than trains of pulses of similar shape, or signals other than currents of one or more different frequencies, e.g. generation of DC signals of alternating polarity, coded pulses or impedance dialling

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Telephonic Communication Services (AREA)
  • Selective Calling Equipment (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Electronic Switches (AREA)
  • Mobile Radio Communication Systems (AREA)
GB5992771A 1971-12-23 1971-12-23 Electric impulse transmitters Expired GB1369829A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
GB5992771A GB1369829A (en) 1971-12-23 1971-12-23 Electric impulse transmitters
ZA728043A ZA728043B (en) 1971-12-23 1971-12-23 Improvements in or relating to electric impulse transmitters
IE1572/72A IE37079B1 (en) 1971-12-23 1972-11-15 Improvements in or relating to electric impulse transmitters
AU49596/72A AU470553B2 (en) 1971-12-23 1972-12-04 Improvements in or relating to electric impulse transmitters
DE2262505A DE2262505C2 (de) 1971-12-23 1972-12-20 Schaltungsanordnung für Fernmeldeanlagen, insbesondere Fernsprechapparate, zur Aussendung von Gleichstromimpulsreihen
IT33187/72A IT972579B (it) 1971-12-23 1972-12-20 Perfezionamento nei trasmettito ri di impulsi elettrici
FR7245702A FR2165649A5 (enExample) 1971-12-23 1972-12-21
ES409985A ES409985A1 (es) 1971-12-23 1972-12-22 Un emisor electronico de impulsos de telefonia.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5992771A GB1369829A (en) 1971-12-23 1971-12-23 Electric impulse transmitters

Publications (1)

Publication Number Publication Date
GB1369829A true GB1369829A (en) 1974-10-09

Family

ID=10484670

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5992771A Expired GB1369829A (en) 1971-12-23 1971-12-23 Electric impulse transmitters

Country Status (8)

Country Link
AU (1) AU470553B2 (enExample)
DE (1) DE2262505C2 (enExample)
ES (1) ES409985A1 (enExample)
FR (1) FR2165649A5 (enExample)
GB (1) GB1369829A (enExample)
IE (1) IE37079B1 (enExample)
IT (1) IT972579B (enExample)
ZA (1) ZA728043B (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7907134A (nl) * 1979-09-25 1981-03-27 Ericsson Telefon Mij Telefooninstallatie van de als sterpuntinstallatie aangeduide soort.
FR2501938B1 (fr) * 1981-03-13 1985-06-21 Constr Telephoniques Circuit conformateur de signaux

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1236961A (en) * 1968-01-12 1971-06-23 Gen Electric Co Ltd Improvements in or relating to electric impulse transmitters

Also Published As

Publication number Publication date
IE37079B1 (en) 1977-04-27
IE37079L (en) 1973-06-23
AU4959672A (en) 1974-06-06
DE2262505C2 (de) 1982-12-09
IT972579B (it) 1974-05-31
ZA728043B (en) 1973-07-25
ES409985A1 (es) 1976-04-01
DE2262505A1 (de) 1973-06-28
AU470553B2 (en) 1976-03-18
FR2165649A5 (enExample) 1973-08-03

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee