CA2687514A1 - An optical switch - Google Patents

An optical switch Download PDF

Info

Publication number
CA2687514A1
CA2687514A1 CA002687514A CA2687514A CA2687514A1 CA 2687514 A1 CA2687514 A1 CA 2687514A1 CA 002687514 A CA002687514 A CA 002687514A CA 2687514 A CA2687514 A CA 2687514A CA 2687514 A1 CA2687514 A1 CA 2687514A1
Authority
CA
Canada
Prior art keywords
light
housing
switch
modify
distal ends
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.)
Abandoned
Application number
CA002687514A
Other languages
English (en)
French (fr)
Inventor
Raleigh L. Cox
Christopher E. Cox
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2687514A1 publication Critical patent/CA2687514A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
    • G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
    • G01F23/40—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using bands or wires as transmission elements
    • G01F23/44—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using bands or wires as transmission elements using electrically actuated indicating means
    • G01F23/446—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using bands or wires as transmission elements using electrically actuated indicating means using opto-electrically actuated indicating means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
CA002687514A 2007-05-31 2007-05-31 An optical switch Abandoned CA2687514A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2007/070122 WO2008147415A1 (en) 2007-05-31 2007-05-31 An optical switch

Publications (1)

Publication Number Publication Date
CA2687514A1 true CA2687514A1 (en) 2008-12-04

Family

ID=40075414

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002687514A Abandoned CA2687514A1 (en) 2007-05-31 2007-05-31 An optical switch

Country Status (8)

Country Link
EP (1) EP2165115A4 (es)
KR (1) KR101356592B1 (es)
CN (1) CN101680646B (es)
BR (1) BRPI0721740A2 (es)
CA (1) CA2687514A1 (es)
HK (1) HK1143628A1 (es)
MX (1) MX2009012915A (es)
WO (1) WO2008147415A1 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11067559B2 (en) 2016-02-26 2021-07-20 Honeywell International Inc. Optical switch with reflection disk in explosion-proof gas detector

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8334501B1 (en) 2008-10-16 2012-12-18 Cox Christopher E Optical switch activator with glowable member
US9383518B2 (en) 2012-12-14 2016-07-05 Christopher E. Cox Optical switch activator
US9502192B2 (en) 2014-02-14 2016-11-22 Covidien Lp Surgical instruments with non-contact switch assemblies
US9991069B2 (en) 2014-10-22 2018-06-05 Covidien Lp Surgical instruments and switch assemblies thereof
US10285690B2 (en) 2015-12-22 2019-05-14 Covidien Lp Surgical instruments and switch assemblies thereof
US11272948B2 (en) 2018-07-10 2022-03-15 Covidien Lp Hand-held surgical instruments
US11395655B2 (en) 2019-12-06 2022-07-26 Covidien Lp Hand-held surgical instruments
US11871924B2 (en) 2018-09-21 2024-01-16 Covidien Lp Hand-held surgical instruments
US11239637B2 (en) 2018-12-21 2022-02-01 Kyocera Sld Laser, Inc. Fiber delivered laser induced white light system
US11421843B2 (en) 2018-12-21 2022-08-23 Kyocera Sld Laser, Inc. Fiber-delivered laser-induced dynamic light system
US11884202B2 (en) 2019-01-18 2024-01-30 Kyocera Sld Laser, Inc. Laser-based fiber-coupled white light system
JP3236102U (ja) * 2019-01-18 2022-02-09 キョウセラ エスエルディー レイザー，インコーポレイテッド 照明アプリケーション用のレーザベースの導波路結合白色光システム
US12000552B2 (en) 2019-01-18 2024-06-04 Kyocera Sld Laser, Inc. Laser-based fiber-coupled white light system for a vehicle
US10840045B1 (en) 2019-06-04 2020-11-17 Christopher E. Cox Invertible optical float switch
US11493695B2 (en) * 2019-06-25 2022-11-08 Thomas C. Stewart Sustained continuity non-powered optomechanical position switch utilizing self-testing multiplexed optocontrolling transceiver in a fiber-optic circuit
US11540827B2 (en) 2019-12-13 2023-01-03 Covidien Lp Hand-held electromechanical surgical instruments
US11737747B2 (en) 2019-12-17 2023-08-29 Covidien Lp Hand-held surgical instruments
US11504117B2 (en) 2020-04-02 2022-11-22 Covidien Lp Hand-held surgical instruments

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3863067A (en) * 1972-07-24 1975-01-28 Cornelius Leonard Gooley Orientation indicating apparatus
US4773265A (en) 1980-11-20 1988-09-27 Atlantic Richfield Company Method for detecting leaks
US4836632A (en) * 1988-05-16 1989-06-06 National Magnetic Sensors Inc. Fiber optic liquid level sensor
US5017748A (en) * 1988-08-02 1991-05-21 Sapiro Andrew J Float switch with buoyant housing and switch operating means within the housing
US5373153A (en) * 1993-01-04 1994-12-13 Motorola, Inc. Optoelectronic tilt detector having tapered floors extending in same direction
US5743135A (en) * 1993-08-27 1998-04-28 Vlsi Technology, Inc. Optical-fiber liquid-level monitor
US5684296A (en) * 1996-06-17 1997-11-04 Optical Systems Industries, Inc. Fiber optic liquid sensing system
WO2003005082A1 (en) * 2001-07-02 2003-01-16 Acreo Ab Method and device for tuning bragg gratings
AUPS267202A0 (en) * 2002-05-30 2002-06-20 Dunbar, Neil James A sensor and method for measuring the level of a medium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11067559B2 (en) 2016-02-26 2021-07-20 Honeywell International Inc. Optical switch with reflection disk in explosion-proof gas detector

Also Published As

Publication number Publication date
WO2008147415A1 (en) 2008-12-04
HK1143628A1 (en) 2011-01-07
MX2009012915A (es) 2010-03-03
KR20100030636A (ko) 2010-03-18
BRPI0721740A2 (pt) 2013-02-13
KR101356592B1 (ko) 2014-02-03
EP2165115A1 (en) 2010-03-24
CN101680646A (zh) 2010-03-24
EP2165115A4 (en) 2011-07-27
CN101680646B (zh) 2013-08-14

Similar Documents

Publication Publication Date Title
CA2687514A1 (en) An optical switch
US7714732B2 (en) Optical switch
US8755657B2 (en) Optical cable
US9182553B2 (en) Optical switch activator with glowable member
US4836632A (en) Fiber optic liquid level sensor
US7772538B2 (en) Float activated optical switch
WO1999031469A3 (en) Liquid level monitoring and control apparatus
US6513378B1 (en) Liquid level float switch with manual reset
US4880990A (en) Optical liquid-level sensing apparatus
WO2010093929A1 (en) An optical pressure activated device
KR101907034B1 (ko) 광센서를 이용한 액체레벨 수위 센서
US3781498A (en) Liquid level detector
US10840045B1 (en) Invertible optical float switch
US5999101A (en) Liquid level alarm system
US9383518B2 (en) Optical switch activator
US8643498B1 (en) Optical switches for tank environments
KR101049946B1 (ko) 전반사를 이용한 수위 조절 장치
RU2741275C1 (ru) Уровнемер (датчик уровня жидкости) волоконно-оптический
RU2742225C1 (ru) Уровнемер (датчик уровня жидкости) волоконно-оптический
WO2003023333A1 (en) Surface switch for determining the surface level
JP2658293B2 (ja) 光液面センサ
RU2745667C2 (ru) Способ индикации уровня жидкости (варианты)
JP2877234B2 (ja) 液面検出装置
JPS59204721A (ja) 液面検出装置
GB2336210A (en) Sensing the presence of liquid of a predetermined specific gravity

Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued

Effective date: 20150428