HK57383A - Electromagnetic radiation circuit element - Google Patents

Electromagnetic radiation circuit element

Info

Publication number
HK57383A
HK57383A HK57383A HK57383A HK57383A HK 57383 A HK57383 A HK 57383A HK 57383 A HK57383 A HK 57383A HK 57383 A HK57383 A HK 57383A HK 57383 A HK57383 A HK 57383A
Authority
HK
Hong Kong
Prior art keywords
electromagnetic radiation
circuit element
radiation circuit
electromagnetic
radiation
Prior art date
Application number
HK57383A
Original Assignee
Bergstroem Arne
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 Bergstroem Arne filed Critical Bergstroem Arne
Publication of HK57383A publication Critical patent/HK57383A/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/96—Touch switches
    • H03K17/9627—Optical touch switches
    • H03K17/9631—Optical touch switches using a light source as part of the switch
HK57383A 1978-05-11 1983-11-17 Electromagnetic radiation circuit element HK57383A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1887478A GB1600556A (en) 1978-05-11 1978-05-11 Electromagnetic radiation circuit element

Publications (1)

Publication Number Publication Date
HK57383A true HK57383A (en) 1983-11-25

Family

ID=10119912

Family Applications (1)

Application Number Title Priority Date Filing Date
HK57383A HK57383A (en) 1978-05-11 1983-11-17 Electromagnetic radiation circuit element

Country Status (2)

Country Link
GB (1) GB1600556A (en)
HK (1) HK57383A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8302997D0 (en) * 1983-02-03 1983-03-09 Bergstrom A Electromagnetic radiation circuit element
GB2161266B (en) * 1984-07-02 1988-08-24 Antonis Chris Ioannides Switch device
GB2171793B (en) * 1985-02-27 1989-06-14 Drottninghamnsvagen Bergstrom Electromagnetic radiation circuit element
DE19914587C2 (en) * 1999-03-31 2001-05-03 Orga Kartensysteme Gmbh Smart card

Also Published As

Publication number Publication date
GB1600556A (en) 1981-10-21

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