GB1270641A - Improvements in or relating to pen recorders - Google Patents

Improvements in or relating to pen recorders

Info

Publication number
GB1270641A
GB1270641A GB224770A GB224770A GB1270641A GB 1270641 A GB1270641 A GB 1270641A GB 224770 A GB224770 A GB 224770A GB 224770 A GB224770 A GB 224770A GB 1270641 A GB1270641 A GB 1270641A
Authority
GB
United Kingdom
Prior art keywords
stylus
trace
point
frequency
tungsten
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
GB224770A
Other languages
English (en)
Inventor
Gerald William Hunter
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.)
Yorkshire Imperial Metals Ltd
Original Assignee
Yorkshire Imperial Metals Ltd
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 Yorkshire Imperial Metals Ltd filed Critical Yorkshire Imperial Metals Ltd
Priority to GB224770A priority Critical patent/GB1270641A/en
Priority to FR7101404A priority patent/FR2075628A5/fr
Publication of GB1270641A publication Critical patent/GB1270641A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D15/00Component parts of recorders for measuring arrangements not specially adapted for a specific variable
    • G01D15/06Electric recording elements, e.g. electrolytic
    • G01D15/08Electric recording elements, e.g. electrolytic for spark erosion

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Recording Measured Values (AREA)
GB224770A 1970-01-16 1970-01-16 Improvements in or relating to pen recorders Expired GB1270641A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB224770A GB1270641A (en) 1970-01-16 1970-01-16 Improvements in or relating to pen recorders
FR7101404A FR2075628A5 (https=) 1970-01-16 1971-01-15

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB224770A GB1270641A (en) 1970-01-16 1970-01-16 Improvements in or relating to pen recorders

Publications (1)

Publication Number Publication Date
GB1270641A true GB1270641A (en) 1972-04-12

Family

ID=9736193

Family Applications (1)

Application Number Title Priority Date Filing Date
GB224770A Expired GB1270641A (en) 1970-01-16 1970-01-16 Improvements in or relating to pen recorders

Country Status (2)

Country Link
FR (1) FR2075628A5 (https=)
GB (1) GB1270641A (https=)

Also Published As

Publication number Publication date
FR2075628A5 (https=) 1971-10-08

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