DD109755A5 - - Google Patents

Info

Publication number
DD109755A5
DD109755A5 DD177210A DD17721074A DD109755A5 DD 109755 A5 DD109755 A5 DD 109755A5 DD 177210 A DD177210 A DD 177210A DD 17721074 A DD17721074 A DD 17721074A DD 109755 A5 DD109755 A5 DD 109755A5
Authority
DD
German Democratic Republic
Application number
DD177210A
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 filed Critical
Publication of DD109755A5 publication Critical patent/DD109755A5/xx

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B11/00—Automatic controllers
    • G05B11/01—Automatic controllers electric
    • G05B11/012—Automatic controllers electric details of the transmission means
    • G05B11/017—Automatic controllers electric details of the transmission means using photo-electric means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
    • G01J1/22—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using a variable element in the light-path, e.g. filter, polarising means
    • G01J1/24—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using a variable element in the light-path, e.g. filter, polarising means using electric radiation detectors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Optical Transform (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
DD177210A 1973-03-21 1974-03-15 DD109755A5 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2313997A DE2313997C3 (en) 1973-03-21 1973-03-21 Photoelectric potentiometer arrangement avoiding moving current feeds

Publications (1)

Publication Number Publication Date
DD109755A5 true DD109755A5 (en) 1974-11-12

Family

ID=5875417

Family Applications (1)

Application Number Title Priority Date Filing Date
DD177210A DD109755A5 (en) 1973-03-21 1974-03-15

Country Status (9)

Country Link
US (1) US3892961A (en)
JP (1) JPS49129488A (en)
AT (1) AT329151B (en)
CH (1) CH570683A5 (en)
DD (1) DD109755A5 (en)
DE (1) DE2313997C3 (en)
FR (1) FR2222736A1 (en)
GB (1) GB1423962A (en)
NO (1) NO138313C (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4284885A (en) * 1978-05-26 1981-08-18 Honeywell Inc. Optical potentiometer
US4227079A (en) * 1978-12-15 1980-10-07 Hewlett-Packard Company Multipath fine positioning beam director
US4271354A (en) * 1979-08-09 1981-06-02 Shs Research Labs, Inc. Manual belt electro-optical control
JP2549280B2 (en) * 1986-04-15 1996-10-30 ファナック 株式会社 Rotary Encoder
US4883128A (en) * 1986-07-30 1989-11-28 Donald L. O'Neall Guidance system for farm implements
EP0263261A1 (en) * 1986-09-05 1988-04-13 BBC Brown Boveri AG Opto-electronic displacement detector
US4928008A (en) * 1987-12-11 1990-05-22 The Boeing Company Variable light transmission filter and optical analog position sensor
US4908510A (en) * 1988-09-02 1990-03-13 The Boeing Company Optical fiber coupled resolver having a reference signal
US4958071A (en) * 1989-01-13 1990-09-18 Advanced Gravis Computer Technology, Ltd. A joystick including an optical encoder with film strips in sliding contact
US5047629A (en) * 1990-03-30 1991-09-10 Motorola, Inc. Position and motion detector with magnetic coupling and optical detection
US5155355A (en) * 1991-04-25 1992-10-13 Mitutoyo Corporation Photoelectric encoder having a grating substrate with integral light emitting elements
US5218199A (en) * 1992-04-21 1993-06-08 The Boeing Company Optical position sensor having rigidly fixed read head
DE19944025A1 (en) * 1999-09-14 2001-03-15 Siemens Ag Bipole-type variable resistance
US8309906B2 (en) * 2010-06-10 2012-11-13 Mitutoyo Corporation Absolute optical encoder with long range intensity modulation on scale
DE102015207374A1 (en) * 2015-04-22 2016-10-27 KONUX Inc. Offset sensor arrangement and its elements
CN109769051B (en) * 2019-03-01 2021-04-09 维沃移动通信有限公司 Stroke detection device and method and terminal

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3087069A (en) * 1959-08-12 1963-04-23 Giannini Controls Corp Radiation-controlled variable resistance
US3449585A (en) * 1966-02-15 1969-06-10 Arnold Trehub Automatic recognition system using constant intensity image bearing light beam
US3449705A (en) * 1966-04-21 1969-06-10 Ncr Co Photoconductive matrix sheet
US3639769A (en) * 1969-04-10 1972-02-01 William D Clark Photoconductive potentiometer using variable transmittance control strips
US3700960A (en) * 1971-09-23 1972-10-24 Gen Electric Metal halide lamp system
US3775617A (en) * 1972-08-10 1973-11-27 Lewis Eng Co Servo apparatus with photosensitive device and compensating circuit

Also Published As

Publication number Publication date
US3892961A (en) 1975-07-01
NO138313B (en) 1978-05-02
DE2313997A1 (en) 1974-10-03
AT329151B (en) 1976-04-26
NO138313C (en) 1978-08-09
CH570683A5 (en) 1975-12-15
DE2313997B2 (en) 1975-01-30
FR2222736A1 (en) 1974-10-18
JPS49129488A (en) 1974-12-11
GB1423962A (en) 1976-02-04
ATA152974A (en) 1975-07-15
DE2313997C3 (en) 1975-08-28
NO740996L (en) 1974-09-24

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