DE101988C - - Google Patents

Info

Publication number
DE101988C
DE101988C DENDAT101988D DE101988DA DE101988C DE 101988 C DE101988 C DE 101988C DE NDAT101988 D DENDAT101988 D DE NDAT101988D DE 101988D A DE101988D A DE 101988DA DE 101988 C DE101988 C DE 101988C
Authority
DE
Germany
Prior art keywords
rod
wire
drawings
scale
attached
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.)
Active
Application number
DENDAT101988D
Other languages
German (de)
English (en)
Publication of DE101988C publication Critical patent/DE101988C/de
Active legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
    • B43L13/00—Drawing instruments, or writing or drawing appliances or accessories not otherwise provided for
    • B43L13/10—Pantographic instruments for copying, enlarging, or diminishing

Landscapes

  • A Measuring Device Byusing Mechanical Method (AREA)
DENDAT101988D Active DE101988C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Publications (1)

Publication Number Publication Date
DE101988C true DE101988C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Family

ID=372637

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT101988D Active DE101988C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Country Status (1)

Country Link
DE (1) DE101988C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6628125B1 (en) 1999-07-15 2003-09-30 Fazakas Andras Method and apparatus for detecting slow and small changes of electrical signals including the sign of the changes, and circuit arrangement for the exact detection of the peak value of an alternating voltage
US6891354B2 (en) 1999-07-15 2005-05-10 Fazakas Andras Method for detecting slow and small changes of electrical signals

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6628125B1 (en) 1999-07-15 2003-09-30 Fazakas Andras Method and apparatus for detecting slow and small changes of electrical signals including the sign of the changes, and circuit arrangement for the exact detection of the peak value of an alternating voltage
US6891354B2 (en) 1999-07-15 2005-05-10 Fazakas Andras Method for detecting slow and small changes of electrical signals

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