CH3320A - An electrical signal recording device - Google Patents

An electrical signal recording device

Info

Publication number: CH3320A
Authority: CH; Switzerland
Prior art keywords: electrical signal; recording device; signal recording; electrical; signal
Prior art date: 1890-12-30

Application number

CH3320A

Other languages

French (fr)

Inventor

Charles-Edward Ongley

Original Assignee

Ongley Charles Edward

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.)

1890-12-30

Filing date

1890-12-30

Publication date

1891-08-31

1890-12-30 Application filed by Ongley Charles Edward filed Critical Ongley Charles Edward

1891-08-31 Publication of CH3320A publication Critical patent/CH3320A/en

Links

CH3320A 1890-12-30 1890-12-30 An electrical signal recording device CH3320A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH3320T		1890-12-30

Publications (1)

Publication Number	Publication Date
CH3320A true CH3320A (en)	1891-08-31

Family

ID=4184589

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH3320A CH3320A (en)	1890-12-30	1890-12-30	An electrical signal recording device

Country Status (1)

Country	Link
CH (1)	CH3320A (en)

1890
- 1890-12-30 CH CH3320A patent/CH3320A/en unknown

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