GB1423962A - Electrical device - Google Patents

Electrical device

Info

Publication number
GB1423962A
GB1423962A GB1095974A GB1095974A GB1423962A GB 1423962 A GB1423962 A GB 1423962A GB 1095974 A GB1095974 A GB 1095974A GB 1095974 A GB1095974 A GB 1095974A GB 1423962 A GB1423962 A GB 1423962A
Authority
GB
United Kingdom
Prior art keywords
photo
mask
light source
intensity
masks
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
GB1095974A
Other languages
English (en)
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.)
INTERMADOX AG
Original Assignee
INTERMADOX AG
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 INTERMADOX AG filed Critical INTERMADOX AG
Publication of GB1423962A publication Critical patent/GB1423962A/en
Expired legal-status Critical Current

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)
GB1095974A 1973-03-21 1974-03-12 Electrical device Expired GB1423962A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2313997A DE2313997C3 (de) 1973-03-21 1973-03-21 Lichtelektrische Potentiometeranordnung unter Vermeidung beweglicher Strom Zuführungen

Publications (1)

Publication Number Publication Date
GB1423962A true GB1423962A (en) 1976-02-04

Family

ID=5875417

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1095974A Expired GB1423962A (en) 1973-03-21 1974-03-12 Electrical device

Country Status (9)

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

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 (ja) * 1986-04-15 1996-10-30 ファナック 株式会社 ロ−タリ−エンコ−ダ
US4883128A (en) * 1986-07-30 1989-11-28 Donald L. O'Neall Guidance system for farm implements
EP0263261A1 (fr) * 1986-09-05 1988-04-13 BBC Brown Boveri AG Capteur de déplacement opto-électronique
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 (de) * 1999-09-14 2001-03-15 Siemens Ag Veränderbarer Widerstand
US8309906B2 (en) * 2010-06-10 2012-11-13 Mitutoyo Corporation Absolute optical encoder with long range intensity modulation on scale
DE102015207374A1 (de) * 2015-04-22 2016-10-27 KONUX Inc. Versatzsensoranordnung und deren Elemente
CN109769051B (zh) * 2019-03-01 2021-04-09 维沃移动通信有限公司 一种行程检测装置、方法及终端

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
DD109755A5 (fr) 1974-11-12
US3892961A (en) 1975-07-01
NO138313B (no) 1978-05-02
DE2313997A1 (de) 1974-10-03
AT329151B (de) 1976-04-26
NO138313C (no) 1978-08-09
CH570683A5 (fr) 1975-12-15
DE2313997B2 (de) 1975-01-30
FR2222736A1 (fr) 1974-10-18
JPS49129488A (fr) 1974-12-11
ATA152974A (de) 1975-07-15
DE2313997C3 (de) 1975-08-28
NO740996L (no) 1974-09-24

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee