GB2095015B - Pulse shaping circuit - Google Patents

Pulse shaping circuit

Info

Publication number
GB2095015B
GB2095015B GB8207184A GB8207184A GB2095015B GB 2095015 B GB2095015 B GB 2095015B GB 8207184 A GB8207184 A GB 8207184A GB 8207184 A GB8207184 A GB 8207184A GB 2095015 B GB2095015 B GB 2095015B
Authority
GB
United Kingdom
Prior art keywords
shaping circuit
pulse shaping
pulse
circuit
shaping
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
GB8207184A
Other versions
GB2095015A (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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Publication of GB2095015A publication Critical patent/GB2095015A/en
Application granted granted Critical
Publication of GB2095015B publication Critical patent/GB2095015B/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
    • 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)
GB8207184A 1981-03-13 1982-03-11 Pulse shaping circuit Expired GB2095015B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8105033A FR2501938B1 (en) 1981-03-13 1981-03-13 SIGNAL CONFORMER CIRCUIT

Publications (2)

Publication Number Publication Date
GB2095015A GB2095015A (en) 1982-09-22
GB2095015B true GB2095015B (en) 1984-08-22

Family

ID=9256199

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8207184A Expired GB2095015B (en) 1981-03-13 1982-03-11 Pulse shaping circuit

Country Status (2)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2928651B2 (en) * 1991-03-19 1999-08-03 株式会社日立製作所 Control device with communication function
EP2120338A1 (en) * 2008-05-15 2009-11-18 Thomson Licensing Key press detecting circuit

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 (en) 1982-09-17
GB2095015A (en) 1982-09-22
FR2501938B1 (en) 1985-06-21

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee