GB1555712A - Current detection apparatus - Google Patents

Current detection apparatus

Info

Publication number
GB1555712A
GB1555712A GB4874176A GB4874176A GB1555712A GB 1555712 A GB1555712 A GB 1555712A GB 4874176 A GB4874176 A GB 4874176A GB 4874176 A GB4874176 A GB 4874176A GB 1555712 A GB1555712 A GB 1555712A
Authority
GB
United Kingdom
Prior art keywords
current detection
detection apparatus
current
detection
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
GB4874176A
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.)
Post Office
Original Assignee
Post Office
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 Post Office filed Critical Post Office
Priority to GB4874176A priority Critical patent/GB1555712A/en
Publication of GB1555712A publication Critical patent/GB1555712A/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
    • H03K17/78—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
    • H03K17/795—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar transistors
    • H03K17/7955—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling bipolar transistors using phototransistors
GB4874176A 1977-12-13 1977-12-13 Current detection apparatus Expired GB1555712A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4874176A GB1555712A (en) 1977-12-13 1977-12-13 Current detection apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4874176A GB1555712A (en) 1977-12-13 1977-12-13 Current detection apparatus

Publications (1)

Publication Number Publication Date
GB1555712A true GB1555712A (en) 1979-11-14

Family

ID=10449746

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4874176A Expired GB1555712A (en) 1977-12-13 1977-12-13 Current detection apparatus

Country Status (1)

Country Link
GB (1) GB1555712A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2241126B (en) * 1990-01-23 1994-05-25 Toshiba Machine Co Ltd Input module

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2241126B (en) * 1990-01-23 1994-05-25 Toshiba Machine Co Ltd Input module

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Legal Events

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