FR2501938B1 - Circuit conformateur de signaux - Google Patents

Circuit conformateur de signaux

Info

Publication number
FR2501938B1
FR2501938B1 FR8105033A FR8105033A FR2501938B1 FR 2501938 B1 FR2501938 B1 FR 2501938B1 FR 8105033 A FR8105033 A FR 8105033A FR 8105033 A FR8105033 A FR 8105033A FR 2501938 B1 FR2501938 B1 FR 2501938B1
Authority
FR
France
Prior art keywords
conformer
circuit
signal
signal conformer
conformer circuit
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
FR8105033A
Other languages
English (en)
Other versions
FR2501938A1 (fr
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.)
Constr Telephoniques
Original Assignee
Constr Telephoniques
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 Constr Telephoniques filed Critical Constr Telephoniques
Priority to FR8105033A priority Critical patent/FR2501938B1/fr
Priority to GB8207184A priority patent/GB2095015B/en
Publication of FR2501938A1 publication Critical patent/FR2501938A1/fr
Application granted granted Critical
Publication of FR2501938B1 publication Critical patent/FR2501938B1/fr
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
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
    • H03K5/125—Discriminating pulses
    • H03K5/1252—Suppression or limitation of noise or interference

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Input From Keyboards Or The Like (AREA)
FR8105033A 1981-03-13 1981-03-13 Circuit conformateur de signaux Expired FR2501938B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR8105033A FR2501938B1 (fr) 1981-03-13 1981-03-13 Circuit conformateur de signaux
GB8207184A GB2095015B (en) 1981-03-13 1982-03-11 Pulse shaping circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8105033A FR2501938B1 (fr) 1981-03-13 1981-03-13 Circuit conformateur de signaux

Publications (2)

Publication Number Publication Date
FR2501938A1 FR2501938A1 (fr) 1982-09-17
FR2501938B1 true FR2501938B1 (fr) 1985-06-21

Family

ID=9256199

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8105033A Expired FR2501938B1 (fr) 1981-03-13 1981-03-13 Circuit conformateur de signaux

Country Status (2)

Country Link
FR (1) FR2501938B1 (fr)
GB (1) GB2095015B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2928651B2 (ja) * 1991-03-19 1999-08-03 株式会社日立製作所 通信機能を備えた制御装置
EP2120338A1 (fr) * 2008-05-15 2009-11-18 Thomson Licensing Circuit de détection de touche saisie

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1369829A (en) * 1971-12-23 1974-10-09 Standard Telephones Cables Ltd Electric impulse transmitters
US3982079A (en) * 1975-04-16 1976-09-21 Litton Business Telephone Systems, Inc. Touch-to-rotary converter for a telephone instrument

Also Published As

Publication number Publication date
FR2501938A1 (fr) 1982-09-17
GB2095015B (en) 1984-08-22
GB2095015A (en) 1982-09-22

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Legal Events

Date Code Title Description
TP Transmission of property