CH578165A5 - - Google Patents

Info

Publication number: CH578165A5
Authority: CH; Switzerland

Application number

CH1521674A

Original Assignee

Ibm

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.)

1973-12-20

Filing date

1974-11-14

Publication date

1976-07-30

1974-11-14 Application filed by Ibm filed Critical Ibm

1976-07-30 Publication of CH578165A5 publication Critical patent/CH578165A5/xx

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
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
- G01D5/204—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils
- G01D5/2073—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature by influencing the mutual induction between two or more coils by movement of a single coil with respect to two or more coils
- 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
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
- G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
- G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
- G01D5/22—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature differentially influencing two coils
- G01D5/225—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature differentially influencing two coils by influencing the mutual induction between the two coils

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Transmission And Conversion Of Sensor Element Output (AREA)
Train Traffic Observation, Control, And Security (AREA)

CH1521674A 1973-12-20 1974-11-14 CH578165A5 (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US426837A US3898635A (en)	1973-12-20	1973-12-20	Position measuring transformer

Publications (1)

Publication Number	Publication Date
CH578165A5 true CH578165A5 (xx)	1976-07-30

Family

ID=23692415

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH1521674A CH578165A5 (xx)	1973-12-20	1974-11-14

Country Status (11)

Country	Link
US (1)	US3898635A (xx)
JP (1)	JPS5821685B2 (xx)
CA (1)	CA1023825A (xx)
CH (1)	CH578165A5 (xx)
DE (1)	DE2448950C3 (xx)
ES (1)	ES433104A1 (xx)
FR (1)	FR2255576B1 (xx)
GB (1)	GB1469677A (xx)
IT (1)	IT1026647B (xx)
NL (1)	NL183784C (xx)
SE (1)	SE403653B (xx)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4030085A (en) *	1976-07-20	1977-06-14	The United States Of America As Represented By The United States Energy Research And Development Administration	Nonferromagnetic linear variable differential transformer
GB2029327B (en) *	1978-09-02	1982-08-25	Ibm	Printing apparatus
GB2204410B (en) *	1987-05-05	1991-11-06	British Gas Plc	Discontinuity locator
US5008619A (en) *	1988-11-18	1991-04-16	Amp-Akzo Corporation	Multilevel circuit board precision positioning
JPH05187803A (ja) *	1992-01-14	1993-07-27	Kanbayashi Seisakusho:Kk	センサ
DK0760087T4 (da) *	1994-05-14	2004-08-09	Synaptics Uk Ltd	Positionskodeorgan
US20030062889A1 (en) *	1996-12-12	2003-04-03	Synaptics (Uk) Limited	Position detector
US6249234B1 (en)	1994-05-14	2001-06-19	Absolute Sensors Limited	Position detector
US6788221B1 (en)	1996-06-28	2004-09-07	Synaptics (Uk) Limited	Signal processing apparatus and method
WO1998054545A2 (en)	1997-05-28	1998-12-03	Absolute Sensors Limited	Position transducer and method of manufacture
GB9720954D0 (en)	1997-10-02	1997-12-03	Scient Generics Ltd	Commutators for motors
GB9721891D0 (en)	1997-10-15	1997-12-17	Scient Generics Ltd	Symmetrically connected spiral transducer
GB9811151D0 (en)	1998-05-22	1998-07-22	Scient Generics Ltd	Rotary encoder
CA2352363A1 (en) *	1998-11-27	2000-06-08	Synaptics (Uk) Limited	Position sensor
US7019672B2 (en) *	1998-12-24	2006-03-28	Synaptics (Uk) Limited	Position sensor
US7511705B2 (en) *	2001-05-21	2009-03-31	Synaptics (Uk) Limited	Position sensor
GB2403017A (en) *	2002-03-05	2004-12-22	Synaptics	Position sensor
US7907130B2 (en) *	2002-06-05	2011-03-15	Synaptics (Uk) Limited	Signal transfer method and apparatus
GB0317370D0 (en) *	2003-07-24	2003-08-27	Synaptics Uk Ltd	Magnetic calibration array
GB0319945D0 (en) *	2003-08-26	2003-09-24	Synaptics Uk Ltd	Inductive sensing system
JP2008029125A (ja) *	2006-07-21	2008-02-07	Sony Corp	電磁誘導型処理装置
EP2145158B1 (en)	2007-05-10	2018-03-07	Cambridge Integrated Circuits Limited	Transducer
GB2488389C (en)	2010-12-24	2018-08-22	Cambridge Integrated Circuits Ltd	Position sensing transducer
GB2503006B (en)	2012-06-13	2017-08-09	Cambridge Integrated Circuits Ltd	Position sensing transducer

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2767365A (en) *	1955-05-06	1956-10-16	Westinghouse Electric Corp	Motor control system
US3183496A (en) *	1961-06-15	1965-05-11	Westinghouse Electric Corp	Position indicating arrangement
BE670166A (xx) *	1964-10-01
US3356933A (en) *	1964-10-27	1967-12-05	Clifford O Stettler	Displacement sensor comprising differential transformer with nonmagnetic core
US3683343A (en) *	1970-07-27	1972-08-08	Stephen Feldman	Demand metering system for electric energy
GB1414517A (en) *	1971-11-26	1975-11-19	Bosch Gmbh Robert	Rotary inductive transducers

1973
- 1973-12-20 US US426837A patent/US3898635A/en not_active Expired - Lifetime
1974
- 1974-10-15 DE DE2448950A patent/DE2448950C3/de not_active Expired
- 1974-11-08 FR FR7441630A patent/FR2255576B1/fr not_active Expired
- 1974-11-14 CH CH1521674A patent/CH578165A5/xx not_active IP Right Cessation
- 1974-11-27 GB GB5137474A patent/GB1469677A/en not_active Expired
- 1974-11-27 CA CA214,900A patent/CA1023825A/en not_active Expired
- 1974-11-29 IT IT29994/74A patent/IT1026647B/it active
- 1974-12-11 NL NLAANVRAGE7416100,A patent/NL183784C/xx not_active IP Right Cessation
- 1974-12-17 JP JP49144143A patent/JPS5821685B2/ja not_active Expired
- 1974-12-18 SE SE7415898A patent/SE403653B/xx not_active IP Right Cessation
- 1974-12-19 ES ES433104A patent/ES433104A1/es not_active Expired

Also Published As

Publication number	Publication date
FR2255576B1 (xx)	1977-05-20
IT1026647B (it)	1978-10-20
NL183784B (nl)	1988-08-16
US3898635A (en)	1975-08-05
SE403653B (sv)	1978-08-28
ES433104A1 (es)	1976-11-16
SE7415898L (xx)	1975-06-23
GB1469677A (en)	1977-04-06
CA1023825A (en)	1978-01-03
JPS5821685B2 (ja)	1983-05-02
NL183784C (nl)	1989-01-16
DE2448950A1 (de)	1975-06-26
DE2448950C3 (de)	1980-01-24
NL7416100A (nl)	1975-06-24
JPS5096250A (xx)	1975-07-31
DE2448950B2 (de)	1979-05-17
FR2255576A1 (xx)	1975-07-18

Publication	Publication Date	Title
AR201758A1 (xx)	1975-04-15
AU476761B2 (xx)	1976-09-30
AR201235Q (xx)	1975-02-21
AR201231Q (xx)	1975-02-21
AU474593B2 (xx)	1976-07-29
AU474511B2 (xx)	1976-07-22
FR2255576B1 (xx)	1977-05-20
AU474838B2 (xx)	1976-08-05
AU476714B2 (xx)	1976-09-30
AR201229Q (xx)	1975-02-21
AU472848B2 (xx)	1976-06-03
AU476696B2 (xx)	1976-09-30
AU477823B2 (xx)	1975-06-19
AR200885A1 (xx)	1974-12-27
AU476873B1 (xx)	1975-01-09
AU477824B2 (xx)	1975-07-17
AR201432A1 (xx)	1975-03-14
AR210729A1 (xx)	1977-09-15
AU1891376A (xx)	1977-01-20
BG20019A1 (xx)	1975-10-30
AU479420A (xx)	1974-10-03
CH560351A5 (xx)	1975-03-27
CH561316A5 (xx)	1975-04-30
BG18535A1 (xx)	1975-02-25
BG18333A1 (xx)	1974-10-25

Legal Events

Date	Code	Title	Description
1992-07-31	PL	Patent ceased
2024-10-31	PL	Patent ceased