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
GB429239A
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.)
BRYAN HAROLD CABOT MATTHEWS
HAROLD JOHN PYE
Original Assignee
BRYAN HAROLD CABOT MATTHEWS
HAROLD JOHN PYE
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 BRYAN HAROLD CABOT MATTHEWS, HAROLD JOHN PYEfiledCriticalBRYAN HAROLD CABOT MATTHEWS
Priority to GB429239ApriorityCriticalpatent/GB524932A/en
Publication of GB524932ApublicationCriticalpatent/GB524932A/en
G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
G01R13/00—Arrangements for displaying electric variables or waveforms
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Optical Head
(AREA)
Testing Of Optical Devices Or Fibers
(AREA)
Optical Recording Or Reproduction
(AREA)
Abstract
524,932. Indicating-apparatus. MATTHEWS, B. H. C., and PYE, H. J. Feb. 9, 1939, No. 4292. [Class 106 (iv)] In an optical arrangement for measuring or recording such as in an oscillograph or galvanometer, the movement of a beam of light b from a slit e has its amplitude magnified as by causing it to be reflected from a convex mirror g. The deflection may be modified to suit a logarithmic or other law.
GB429239A1939-02-091939-02-09Improvements relating to measuring and recording instruments
ExpiredGB524932A
(en)