CA990381A - Device for measuring shaft revolutions per minute - Google Patents

Device for measuring shaft revolutions per minute

Info

Publication number: CA990381A
Authority: CA; Canada
Prior art keywords: per minute; revolutions per; measuring shaft; shaft revolutions; measuring
Prior art date: 1971-10-06
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

CA153,187A

Inventor

Eric H. Ford

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.)

Lumenition Ltd

Original Assignee

Lumenition 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.)

1971-10-06

Filing date

1972-10-04

Publication date

1976-06-01

1972-10-04 Application filed by Lumenition Ltd filed Critical Lumenition Ltd

1976-06-01 Application granted granted Critical

1976-06-01 Publication of CA990381A publication Critical patent/CA990381A/en

Status Expired legal-status Critical Current

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K21/00—Details of pulse counters or frequency dividers
- H03K21/08—Output circuits
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
- G01P1/07—Indicating devices, e.g. for remote indication
- G01P1/08—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
- G01P3/486—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by photo-electric detectors

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optical Transform (AREA)
Combined Controls Of Internal Combustion Engines (AREA)
Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
Supercharger (AREA)

CA153,187A 1971-10-06 1972-10-04 Device for measuring shaft revolutions per minute Expired CA990381A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB4647971		1971-10-06

Publications (1)

Publication Number	Publication Date
CA990381A true CA990381A (en)	1976-06-01

Family

ID=10441437

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA153,187A Expired CA990381A (en)	1971-10-06	1972-10-04	Device for measuring shaft revolutions per minute

Country Status (10)

Country	Link
JP (1)	JPS4846371A (en)
AU (1)	AU460869B2 (en)
BR (1)	BR7206983D0 (en)
CA (1)	CA990381A (en)
DE (1)	DE2248917A1 (en)
ES (1)	ES407677A1 (en)
FR (1)	FR2156067B1 (en)
GB (1)	GB1351049A (en)
IT (1)	IT966209B (en)
SE (1)	SE378458B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5724490B2 (en) *	1973-10-17	1982-05-25
DE2404081C2 (en) *	1974-01-29	1982-05-06	Waldemar Linköping Lester	Device for optically scanning the speed of a rotating component, for example a vehicle wheel
JPS5111084U (en) *	1974-07-10	1976-01-27
JPS5638466Y2 (en) *	1976-07-20	1981-09-08
AT354764B (en) *	1976-08-13	1979-01-25	Licentia Gmbh	MAGNETIC TAPE DEVICE
JPS5847030B2 (en) *	1977-03-30	1983-10-20	松下電器産業株式会社	Rotating body rotation speed display device
JP3133310B2 (en) *	1989-11-10	2001-02-05	旭光学工業株式会社	Laser printer control device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1053444A (en) *		1900-01-01
GB1027976A (en) *	1963-12-12	1966-05-04	Albano Inico Armando	An indicating tachometer for vehicles with igniting lamps arranged to correspond to the dial reading
GB1089300A (en) *	1963-12-24	1967-11-01	Crypton Equipment Ltd	Electrical apparatus for measuring the rotational speed of engines
US3517258A (en) *	1966-10-31	1970-06-23	Ibm	Solid state display device using light emitting diodes
FR1589126A (en) *	1968-09-04	1970-03-23

1971
- 1971-10-06 GB GB1351049D patent/GB1351049A/en not_active Expired
1972
- 1972-10-04 SE SE1278372A patent/SE378458B/xx unknown
- 1972-10-04 CA CA153,187A patent/CA990381A/en not_active Expired
- 1972-10-05 AU AU47445/72A patent/AU460869B2/en not_active Expired - Lifetime
- 1972-10-05 IT IT5319772A patent/IT966209B/en active
- 1972-10-05 FR FR7235308A patent/FR2156067B1/fr not_active Expired - Lifetime
- 1972-10-05 DE DE19722248917 patent/DE2248917A1/en not_active Withdrawn
- 1972-10-06 ES ES407677A patent/ES407677A1/en not_active Expired
- 1972-10-06 JP JP10057272A patent/JPS4846371A/ja active Pending
- 1972-10-06 BR BR698372A patent/BR7206983D0/en unknown

Also Published As

Publication number	Publication date
FR2156067B1 (en)	1975-03-14
AU4744572A (en)	1974-04-11
BR7206983D0 (en)	1973-09-25
DE2248917A1 (en)	1973-04-12
ES407677A1 (en)	1975-10-16
AU460869B2 (en)	1975-05-08
GB1351049A (en)	1974-04-24
JPS4846371A (en)	1973-07-02
FR2156067A1 (en)	1973-05-25
SE378458B (en)	1975-09-01
IT966209B (en)	1974-02-11

Publication	Publication Date	Title
CA952300A (en)	1974-08-06	Measuring machine
CA945361A (en)	1974-04-16	Circumference measuring device
CA990381A (en)	1976-06-01	Device for measuring shaft revolutions per minute
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SU582521A1 (en)	1977-11-30	Device for monitoring shaft rotation angles
AU460303B2 (en)	1975-04-24	Improved measuring device
AU455561B2 (en)	1973-05-24	A device for measuring the speed ofa rotating shaft
CA972555A (en)	1975-08-12	Device for detecting rotating angle
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CA813062A (en)	1969-05-20	Shaft rotation measuring device
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