GB1399524A - Alternating current amplitude responsive gating device - Google Patents

Alternating current amplitude responsive gating device

Info

Publication number
GB1399524A
GB1399524A GB2757872A GB2757872A GB1399524A GB 1399524 A GB1399524 A GB 1399524A GB 2757872 A GB2757872 A GB 2757872A GB 2757872 A GB2757872 A GB 2757872A GB 1399524 A GB1399524 A GB 1399524A
Authority
GB
United Kingdom
Prior art keywords
bridge
switching means
june
winding
voltage
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
GB2757872A
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.)
Alcatel CIT SA
Nokia Inc
Original Assignee
Compagnie Industrielle de Telecommunication CIT Alcatel SA
Nokia Inc
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 Compagnie Industrielle de Telecommunication CIT Alcatel SA, Nokia Inc filed Critical Compagnie Industrielle de Telecommunication CIT Alcatel SA
Publication of GB1399524A publication Critical patent/GB1399524A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/74—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of diodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
    • H03K17/68—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors specially adapted for switching AC currents or voltages
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/444—Signalling arrangements; Manipulation of signalling currents using alternate current with voice-band signalling frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Interface Circuits In Exchanges (AREA)
GB2757872A 1971-06-24 1972-06-13 Alternating current amplitude responsive gating device Expired GB1399524A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7123094A FR2142756B1 (enrdf_load_stackoverflow) 1971-06-24 1971-06-24

Publications (1)

Publication Number Publication Date
GB1399524A true GB1399524A (en) 1975-07-02

Family

ID=9079254

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2757872A Expired GB1399524A (en) 1971-06-24 1972-06-13 Alternating current amplitude responsive gating device

Country Status (7)

Country Link
BE (1) BE784826A (enrdf_load_stackoverflow)
CH (1) CH565484A5 (enrdf_load_stackoverflow)
DE (1) DE2230652A1 (enrdf_load_stackoverflow)
FR (1) FR2142756B1 (enrdf_load_stackoverflow)
GB (1) GB1399524A (enrdf_load_stackoverflow)
IT (1) IT959928B (enrdf_load_stackoverflow)
NL (1) NL7208460A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990006623A1 (en) * 1988-12-06 1990-06-14 Boral Johns Perry Industries Pty. Ltd. Control system for a motor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990006623A1 (en) * 1988-12-06 1990-06-14 Boral Johns Perry Industries Pty. Ltd. Control system for a motor

Also Published As

Publication number Publication date
BE784826A (fr) 1972-12-14
NL7208460A (enrdf_load_stackoverflow) 1972-12-28
CH565484A5 (enrdf_load_stackoverflow) 1975-08-15
DE2230652A1 (de) 1972-12-28
FR2142756B1 (enrdf_load_stackoverflow) 1974-03-08
IT959928B (it) 1973-11-10
FR2142756A1 (enrdf_load_stackoverflow) 1973-02-02

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Legal Events

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