GB1438013A - Multi-channel recorders - Google Patents

Multi-channel recorders

Info

Publication number
GB1438013A
GB1438013A GB4093073A GB4093073A GB1438013A GB 1438013 A GB1438013 A GB 1438013A GB 4093073 A GB4093073 A GB 4093073A GB 4093073 A GB4093073 A GB 4093073A GB 1438013 A GB1438013 A GB 1438013A
Authority
GB
United Kingdom
Prior art keywords
recorders
channel recorders
channel
heading
aug
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
GB4093073A
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.)
Cardiac Recorders Ltd
Original Assignee
Cardiac Recorders 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 Cardiac Recorders Ltd filed Critical Cardiac Recorders Ltd
Priority to GB4093073A priority Critical patent/GB1438013A/en
Publication of GB1438013A publication Critical patent/GB1438013A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING 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
    • G01D9/00—Recording measured values
    • G01D9/28—Producing one or more recordings, each recording being of the values of two or more different variables
    • G01D9/30—Producing one or more recordings, each recording being of the values of two or more different variables there being a separate recording element for each variable, e.g. multiple-pen recorder

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Recording Measured Values (AREA)

Abstract

1438013 Automatic control CARDIAC RECORDERS Ltd 30 Oct 1974 [30 Aug 1973] 40930/73 Heading G3N [Also in Division G1] A recording pen is positioned by a linear motor controlled by a potentiometric feedback system incorporating a differential amplifier.
GB4093073A 1973-08-30 1973-08-30 Multi-channel recorders Expired GB1438013A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4093073A GB1438013A (en) 1973-08-30 1973-08-30 Multi-channel recorders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4093073A GB1438013A (en) 1973-08-30 1973-08-30 Multi-channel recorders

Publications (1)

Publication Number Publication Date
GB1438013A true GB1438013A (en) 1976-06-03

Family

ID=10417310

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4093073A Expired GB1438013A (en) 1973-08-30 1973-08-30 Multi-channel recorders

Country Status (1)

Country Link
GB (1) GB1438013A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2323985A1 (en) * 1975-09-12 1977-04-08 Perkin Elmer Ltd IMPROVEMENTS MADE TO CURVE TRACING DEVICES
US4222057A (en) * 1977-11-25 1980-09-09 Sefram Recorders
DE3607249A1 (en) * 1985-11-08 1987-05-14 Yokogawa Hokushin Electric SELF-TALENTING PEN

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2323985A1 (en) * 1975-09-12 1977-04-08 Perkin Elmer Ltd IMPROVEMENTS MADE TO CURVE TRACING DEVICES
US4222057A (en) * 1977-11-25 1980-09-09 Sefram Recorders
DE3607249A1 (en) * 1985-11-08 1987-05-14 Yokogawa Hokushin Electric SELF-TALENTING PEN

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee